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44 files changed, 19 insertions, 8993 deletions
diff --git a/.dockerignore b/.dockerignore deleted file mode 100644 --- a/.dockerignore +++ /dev/null @@ -1,9 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -.git -.github -.recluse-state -dist -target -*.lcov diff --git a/.editorconfig b/.editorconfig deleted file mode 100644 --- a/.editorconfig +++ /dev/null @@ -1,26 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -root = true - -[*] -charset = utf-8 -end_of_line = lf -insert_final_newline = true -trim_trailing_whitespace = true -indent_style = space -indent_size = 4 - -[*.md] -# double whitespace at end of line -# denotes a line break in Markdown -trim_trailing_whitespace = false - -[*.rs] -max_line_length = 100 - -[*.yml] -indent_size = 2 - -[{Makefile,*.mk}] -indent_style = tab diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml deleted file mode 100644 --- a/.github/workflows/build.yml +++ /dev/null @@ -1,83 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -name: Build - -on: - push: - branches: [main] - tags: ["v*"] - pull_request: - branches: [main] - -permissions: - contents: read - -concurrency: - group: hule-build-${{ github.ref }} - cancel-in-progress: true - -env: - CARGO_TERM_COLOR: always - RELEASE_TAG: nightly - -jobs: - lint: - name: Static checks - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1 - - - uses: jdx/mise-action@5228313ee0372e111a38da051671ca30fc5a96db # v3 - with: - version: 2026.7.5 - experimental: true - install: false - - name: Install dependencies - run: mise bootstrap --locked --yes --update - - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2 - - - name: formatting - run: cargo fmt --all --check - - - name: shellcheck - run: shellcheck images/*/genimg - - - name: clippy - run: cargo clippy --workspace --all-targets --all-features --release --locked -- -D warnings - - build: - name: Build (${{ matrix.arch }}) - runs-on: ${{ matrix.runner }} - needs: [lint] - strategy: - fail-fast: false - matrix: - include: - - runner: ubuntu-24.04 - arch: amd64 - - runner: ubuntu-24.04-arm - arch: arm64 - steps: - - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1 - - - uses: jdx/mise-action@5228313ee0372e111a38da051671ca30fc5a96db # v3 - with: - version: 2026.7.5 - experimental: true - install: false - - name: Install dependencies - run: mise bootstrap --locked --yes - - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2 - - - name: Build - run: cargo build --workspace --all-features --release --locked - - - name: Run tests - run: cargo test --workspace --all-features --release --locked - - - name: Upload binary - uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0 - with: - name: hule-${{ matrix.arch }} - path: target/release/hule diff --git a/.github/workflows/legal.yml b/.github/workflows/legal.yml deleted file mode 100644 --- a/.github/workflows/legal.yml +++ /dev/null @@ -1,35 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -name: Legal - -on: - push: - branches: [main] - tags: ["v*"] - pull_request: - branches: [main] - -permissions: - contents: read - -jobs: - legal: - name: Legal checks - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1 - with: - fetch-depth: 0 - - - uses: jdx/mise-action@5228313ee0372e111a38da051671ca30fc5a96db # v3 - with: - version: 2026.7.5 - experimental: true - install: false - - - name: Check contribution sign-off - run: mise run signoff - - - name: Check licensing policy - run: mise run licenses diff --git a/.gitignore b/.gitignore index ea96d7d..77f8cf4 100644 --- a/.gitignore +++ b/.gitignore @@ -1,15 +1,5 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# Copyright (c) 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 -/dist /target -mise.local.toml -mise.*.local.toml - -__pycache__ -*.qcow2 - -# Built machine images and manifests -*.hmi -*.hmm -/images/*/*/*/config.json +/dist diff --git a/.mailmap b/.mailmap deleted file mode 100644 --- a/.mailmap +++ /dev/null @@ -1,7 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 -# -# Add new entries in alphabetical order - -Nikolay Govorov <me@govorov.online> -Nikolay Govorov <mr@dimidiumlabs.io> diff --git a/CLA.md b/CLA.md deleted file mode 100644 --- a/CLA.md +++ /dev/null @@ -1,170 +0,0 @@ -# Hule Individual Contributor License Agreement - -Version 1.0 - -> This agreement is based on the Harmony Individual Contributor License -> Agreement Version 1.0 licensed under a -> [Creative Commons Attribution 3.0 Unported License](https://creativecommons.org/licenses/by/3.0/). - -Thank you for your interest in contributing to Hule (the "Project"). In this -Agreement, "We" and "Us" mean Nikolay Govorov. - -This contributor agreement ("Agreement") documents the rights granted by -contributors to Us. To make this document effective, You must personally add -the following trailers to every commit You Submit: - -```text -CLA-Version: 1.0 -Signed-off-by: Your Name <your.email@example.com> -``` - -The name and email address in `Signed-off-by` must identify You and match the -commit author. By Submitting a commit containing these trailers, You -electronically sign and accept this Agreement. No other person or automated -system may add the `Signed-off-by` trailer on Your behalf. This is a legally -binding document, so please read it carefully before agreeing to it. - -## 1. Definitions - -"You" means the individual who Submits a Contribution to Us. - -"Contribution" means any work of authorship that is Submitted by You to Us in -which You own or assert ownership of the Copyright. If You do not own the -Copyright in the entire work of authorship, please follow the instructions in -Section 3(d). - -"Copyright" means all rights protecting works of authorship owned or controlled -by You, including copyright, moral and neighboring rights, as appropriate, for -the full term of their existence including any extensions by You. - -"Material" means the work of authorship which is made available by Us to third -parties as part of the Project. 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Miscellaneous - -6.1 This Agreement sets out the entire agreement between You and Us for Your -Contributions to Us and overrides all other agreements or understandings. - -6.2 If You or We assign the rights or obligations received through this -Agreement to a third party, as a condition of the assignment, that third party -must agree in writing to abide by all the rights and obligations in the -Agreement. - -6.3 The failure of either party to require performance by the other party of any -provision of this Agreement in one situation shall not affect the right of a -party to require such performance at any time in the future. A waiver of -performance under a provision in one situation shall not be considered a waiver -of the performance of the provision in the future or a waiver of the provision -in its entirety. - -6.4 If any provision of this Agreement is found void and unenforceable, such -provision will be replaced to the extent possible with a provision that comes -closest to the meaning of the original provision and which is enforceable. The -terms and conditions set forth in this Agreement shall apply notwithstanding any -failure of essential purpose of this Agreement or any limited remedy to the -maximum extent possible under law. diff --git a/CODEOWNERS b/CODEOWNERS deleted file mode 100644 --- a/CODEOWNERS +++ /dev/null @@ -1,4 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -* @mrdimidium diff --git a/Cargo.lock b/Cargo.lock index d2d38d6..6e0705b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3,2410 +3,17 @@ version = 4 [[package]] -name = "aho-corasick" -version = "1.1.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301" -dependencies = [ - "memchr", -] - -[[package]] -name = "android_system_properties" -version = "0.1.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311" -dependencies = [ - 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"cc", - "pkg-config", -] diff --git a/Cargo.toml b/Cargo.toml index 825ad03..1eb1be9 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,4 +1,4 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-FileCopyrightText: 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 [workspace] @@ -11,15 +11,9 @@ edition = "2024" version = "0.1.0" license = "Apache-2.0" authors = ["Nikolay Govorov <me@govorov.online>"] -repository = "https://git.dimidiumlabs.io/hule" +repository = "https://github.com/dimidiumlabs/hule" [workspace.dependencies] # local dependencies -hule-hmi = { path = "crates/hule-hmi" } hule-oci = { path = "crates/hule-oci" } hule-vmm = { path = "crates/hule-vmm" } - -# external dependencies -serde = { version = "1", features = ["derive"] } -serde_json = "1" -tokio = "1" diff --git a/LICENSES/AGPL-3.0-only.txt b/LICENSES/AGPL-3.0-only.txt deleted file mode 100644 --- a/LICENSES/AGPL-3.0-only.txt +++ /dev/null @@ -1,235 +0,0 @@ -GNU AFFERO GENERAL PUBLIC LICENSE -Version 3, 19 November 2007 - 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For the avoidance of doubt, this paragraph does not form part of the public licenses. - -Creative Commons may be contacted at creativecommons.org. diff --git a/README.md b/README.md index f335062..c91eb08 100644 --- a/README.md +++ b/README.md @@ -1,49 +1,3 @@ # Hule OCI-compliant layer for virtual machines. - -## Contributing - -We welcome your contributions, including code, bug reports, ideas, and success -stories. - -If you are making a contribution for the first time or from a new email, please -add yourself to the `.mailmap`. - -### Signoff - -To include your code, we ask that you read and agree to the [CLA](./CLA.md). To -sign, add a `CLA-Version: 1.0` and a `Signed-off-by` trailer to every commit -(`git commit -s --trailer "CLA-Version: 1.0"`). Each commit in a pull request -must carry a valid `Signed-off-by` line matching the commit author. Please use -your real name. We cannot include code from anonymous contributors. - -AI agents MUST NOT add Signed-off-by tags. Only humans can legally certify the -Contributor License Agreement. - -### AI policy - -You may use AI agents when writing code and documentation. AI is not allowed for -media including images, videos, fonts at all. You must fully read, understand, -and cleanup any code generated by the agent. We ask that you disclose the -agent's use and indicate the tool, model, and extent of contribution. - -Contributions should include an Assisted-by tag in the following format: -`Assisted-by: AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]`, for example: -`Assisted-by: Claude:claude-4.6-opus coccinelle sparse` - -Remember, AI agents should make software better, not worse. - -## Licensing - -Hule source code is licensed under Apache-2.0. Documentation is licensed under -CC-BY-4.0. - -The image-generation scripts in `images/*/genimg` are derived from code -originally published by Drew DeVault as part of [SourceHut](https://sr.ht) and -remain licensed under AGPL-3.0-only. They are not linked into or included in -Hule binaries or release artifacts. Other source code and scripts developed for -Hule are licensed under Apache-2.0. - -Machine images remain subject to the licenses of their operating systems and -included software. diff --git a/REUSE.toml b/REUSE.toml index 9ad56a8..b140299 100644 --- a/REUSE.toml +++ b/REUSE.toml @@ -1,35 +1,13 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-FileCopyrightText: 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 version = 1 [[annotations]] path = [ + "README.md", "Cargo.toml", "Cargo.lock", - "mise.lock", ] SPDX-FileCopyrightText = "2026 Nikolay Govorov" SPDX-License-Identifier = "Apache-2.0" - -[[annotations]] -path = [ - ".mailmap", -] -SPDX-FileCopyrightText = "2026 Nikolay Govorov" -SPDX-License-Identifier = "Apache-2.0" - -[[annotations]] -path = [ - "CLA.md", -] -SPDX-FileCopyrightText = "2026 Nikolay Govorov" -SPDX-License-Identifier = "CC-BY-3.0" - -[[annotations]] -path = [ - "README.md", - "docs/*.md", -] -SPDX-FileCopyrightText = "2026 Nikolay Govorov" -SPDX-License-Identifier = "CC-BY-4.0" diff --git a/crates/hule-hmi/Cargo.toml b/crates/hule-hmi/Cargo.toml deleted file mode 100644 --- a/crates/hule-hmi/Cargo.toml +++ /dev/null @@ -1,17 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -[package] -name = "hule-hmi" -description = "Types and validation for Hule machine images" - -publish.workspace = true -edition.workspace = true -version.workspace = true -license.workspace = true -authors.workspace = true -repository.workspace = true - -[dependencies] -serde.workspace = true -serde_json.workspace = true diff --git a/crates/hule-hmi/src/lib.rs b/crates/hule-hmi/src/lib.rs deleted file mode 100644 --- a/crates/hule-hmi/src/lib.rs +++ /dev/null @@ -1,843 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! Types and validation for a Hule machine image `config.json`. -//! -//! This crate deliberately has no filesystem, registry, or VMM concerns. It -//! validates the declared image contract; callers decide how referenced files -//! are stored and executed. -//! -//! # Schema evolution -//! -//! Bump [`SCHEMA_VERSION`] only for breaking changes. Within a version: -//! [`Boot`]/[`Access`] are menus, so they tolerate unrecognized entries via -//! `Unknown`; [`Architecture`]/[`DiskFormat`] are single mandatory values -//! with no fallback, so they stay closed enums; `system.os` and digest -//! algorithms stay plain strings. No `deny_unknown_fields`; `rename_all = -//! "camelCase"` on every struct. - -use std::collections::HashSet; -use std::fmt; -use std::path::{Component, Path}; - -use serde::{Deserialize, Serialize}; - -pub const SCHEMA_VERSION: u8 = 1; -pub const KIND: &str = "MachineImage"; - -pub const BOOT_LINUX_DIRECT: &str = "linux/direct"; -pub const BOOT_FIRMWARE_DISK_BIOS: &str = "firmware-disk/bios"; -pub const BOOT_FIRMWARE_DISK_UEFI: &str = "firmware-disk/uefi"; - -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "lowercase")] -pub enum DiskFormat { - Qcow2, -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(transparent)] -pub struct Digest(pub String); - -impl fmt::Display for Digest { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.0) - } -} - -impl Digest { - fn validate_into(&self, field: &str, validation: &mut Validation) { - let Some(hex) = self.0.strip_prefix("sha256:") else { - validation.error(format!("{field} must use sha256")); - return; - }; - if hex.len() != 64 || !hex.bytes().all(|b| b.is_ascii_hexdigit()) { - validation.error(format!("{field} must contain 64 hexadecimal digits")); - } - } -} - -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct ResourceRange { - pub minimum: u64, - pub default: u64, -} - -impl ResourceRange { - fn validate_into(self, field: &str, validation: &mut Validation) { - if self.minimum == 0 { - validation.error(format!("{field}.minimum must be greater than zero")); - } - if self.default < self.minimum { - validation.error(format!("{field}.default must be at least minimum")); - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct FileRef { - pub path: String, - pub digest: Digest, -} - -impl FileRef { - fn validate_into(&self, field: &str, validation: &mut Validation) { - validation.path(&self.path, &format!("{field}.path")); - self.digest - .validate_into(&format!("{field}.digest"), validation); - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct BootBios { - pub protocol: String, - pub disk: String, -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct BootUefi { - pub protocol: String, - pub disk: String, -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct BootLinux { - pub protocol: String, - pub disk: String, - pub kernel: FileRef, - pub initrd: FileRef, - pub cmdline: String, -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize)] -#[serde(untagged)] -pub enum Boot { - Bios(BootBios), - Uefi(BootUefi), - Linux(BootLinux), - Unknown(serde_json::Value), -} - -impl<'de> Deserialize<'de> for Boot { - fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> { - use serde::de::Error; - - let value = serde_json::Value::deserialize(deserializer)?; - let protocol = value.get("protocol").and_then(|p| p.as_str()).unwrap_or(""); - - #[derive(Deserialize)] - struct Raw { - disk: String, - #[serde(default)] - kernel: Option<FileRef>, - #[serde(default)] - initrd: Option<FileRef>, - #[serde(default)] - cmdline: Option<String>, - } - - match protocol { - BOOT_FIRMWARE_DISK_BIOS => { - let raw: Raw = serde_json::from_value(value).map_err(Error::custom)?; - if raw.kernel.is_some() || raw.initrd.is_some() || raw.cmdline.is_some() { - return Err(Error::custom( - "firmware-disk boot must not contain kernel, initrd, or cmdline", - )); - } - Ok(Self::Bios(BootBios { - protocol: BOOT_FIRMWARE_DISK_BIOS.into(), - disk: raw.disk, - })) - } - BOOT_FIRMWARE_DISK_UEFI => { - let raw: Raw = serde_json::from_value(value).map_err(Error::custom)?; - if raw.kernel.is_some() || raw.initrd.is_some() || raw.cmdline.is_some() { - return Err(Error::custom( - "firmware-disk boot must not contain kernel, initrd, or cmdline", - )); - } - Ok(Self::Uefi(BootUefi { - protocol: BOOT_FIRMWARE_DISK_UEFI.into(), - disk: raw.disk, - })) - } - BOOT_LINUX_DIRECT => { - let raw: Raw = serde_json::from_value(value).map_err(Error::custom)?; - Ok(Self::Linux(BootLinux { - protocol: BOOT_LINUX_DIRECT.into(), - disk: raw.disk, - kernel: raw.kernel.ok_or_else(|| Error::missing_field("kernel"))?, - initrd: raw.initrd.ok_or_else(|| Error::missing_field("initrd"))?, - cmdline: raw.cmdline.ok_or_else(|| Error::missing_field("cmdline"))?, - })) - } - _ => Ok(Self::Unknown(value)), - } - } -} - -impl Boot { - pub fn protocol(&self) -> &str { - match self { - Self::Bios(v) => &v.protocol, - Self::Uefi(v) => &v.protocol, - Self::Linux(v) => &v.protocol, - Self::Unknown(v) => v.get("protocol").and_then(|p| p.as_str()).unwrap_or(""), - } - } - - pub fn disk(&self) -> &str { - match self { - Self::Bios(v) => &v.disk, - Self::Uefi(v) => &v.disk, - Self::Linux(v) => &v.disk, - Self::Unknown(_) => "", - } - } - - /// False only for `Unknown`. - pub fn is_recognized(&self) -> bool { - !matches!(self, Self::Unknown(_)) - } - - fn validate_into(&self, field: &str, validation: &mut Validation) { - match self { - Self::Bios(value) => { - if value.protocol != BOOT_FIRMWARE_DISK_BIOS { - validation.error(format!( - "{field} BIOS protocol must be '{BOOT_FIRMWARE_DISK_BIOS}'" - )); - } - validation.required(&value.disk, &format!("{field}.disk")); - } - Self::Uefi(value) => { - if value.protocol != BOOT_FIRMWARE_DISK_UEFI { - validation.error(format!( - "{field} UEFI protocol must be '{BOOT_FIRMWARE_DISK_UEFI}'" - )); - } - validation.required(&value.disk, &format!("{field}.disk")); - } - Self::Linux(value) => { - if value.protocol != BOOT_LINUX_DIRECT { - validation.error(format!( - "{field} direct Linux protocol must be '{BOOT_LINUX_DIRECT}'" - )); - } - validation.required(&value.disk, &format!("{field}.disk")); - value - .kernel - .validate_into(&format!("{field}.kernel"), validation); - value - .initrd - .validate_into(&format!("{field}.initrd"), validation); - validation.required(&value.cmdline, &format!("{field}.cmdline")); - } - // Nothing to check: unrecognized entries are tolerated, not inspected. - Self::Unknown(_) => {} - } - } -} - -#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "lowercase")] -pub enum Architecture { - Amd64, - Arm64, - Loong64, - Ppc64le, - Riscv64, - S390x, -} - -impl Architecture { - /// The architecture this process is running on, if it's one we know. - pub fn host() -> Option<Self> { - match std::env::consts::ARCH { - "x86_64" => Some(Self::Amd64), - "aarch64" => Some(Self::Arm64), - "loongarch64" => Some(Self::Loong64), - "riscv64" => Some(Self::Riscv64), - "s390x" => Some(Self::S390x), - "powerpc64" if cfg!(target_endian = "little") => Some(Self::Ppc64le), - _ => None, - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct System { - pub os: String, - #[serde(skip_serializing_if = "Option::is_none")] - pub name: Option<String>, - pub version: String, - pub architecture: Architecture, -} - -impl System { - fn validate_into(&self, field: &str, validation: &mut Validation) { - validation.required(&self.os, &format!("{field}.os")); - if let Some(name) = &self.name { - validation.required(name, &format!("{field}.name")); - } - validation.required(&self.version, &format!("{field}.version")); - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct Disk { - pub id: String, - pub format: DiskFormat, - pub path: String, - pub digest: Digest, - pub virt_size: u64, - pub disk_size: u64, -} - -impl Disk { - fn validate_into(&self, field: &str, validation: &mut Validation) { - validation.required(&self.id, &format!("{field}.id")); - validation.path(&self.path, &format!("{field}.path")); - self.digest - .validate_into(&format!("{field}.digest"), validation); - if self.virt_size == 0 { - validation.error(format!("{field}.virtSize must be greater than zero")); - } - if self.disk_size == 0 { - validation.error(format!("{field}.diskSize must be greater than zero")); - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize)] -#[serde(untagged, rename_all = "camelCase")] -pub enum Access { - Ssh { - #[serde(rename = "type")] - kind: String, - port: u16, - user: String, - auth: String, - }, - /// qemu-guest-agent. The hypervisor backend chooses and configures a - /// compatible transport; the image only promises that the agent runs. - Qga { - #[serde(rename = "type")] - kind: String, - }, - /// Unrecognized access surface, preserved verbatim. - Unknown(serde_json::Value), -} - -impl<'de> Deserialize<'de> for Access { - fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> { - use serde::de::Error; - - let value = serde_json::Value::deserialize(deserializer)?; - let kind = value.get("type").and_then(|t| t.as_str()).unwrap_or(""); - - match kind { - "ssh" => { - #[derive(Deserialize)] - struct Raw { - port: u16, - user: String, - auth: String, - } - let raw: Raw = serde_json::from_value(value).map_err(Error::custom)?; - Ok(Self::Ssh { - kind: "ssh".into(), - port: raw.port, - user: raw.user, - auth: raw.auth, - }) - } - "qga" => Ok(Self::Qga { kind: "qga".into() }), - _ => Ok(Self::Unknown(value)), - } - } -} - -impl Access { - /// False only for `Unknown`. - pub fn is_recognized(&self) -> bool { - !matches!(self, Self::Unknown(_)) - } - - fn validate_into(&self, field: &str, validation: &mut Validation) { - match self { - Self::Ssh { - port, user, auth, .. - } => { - if *port == 0 { - validation.error(format!("{field}.port must be greater than zero")); - } - validation.required(user, &format!("{field}.user")); - validation.required(auth, &format!("{field}.auth")); - } - Self::Qga { .. } | Self::Unknown(_) => {} - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct NetworkDhcp {} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct NetworkStatic { - pub address: String, - pub gateway: String, -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(tag = "mode", rename_all = "lowercase")] -pub enum Network { - Dhcp(NetworkDhcp), - Static(NetworkStatic), -} - -impl Network { - fn validate_into(&self, field: &str, validation: &mut Validation) { - if let Self::Static(network) = self { - validation.required(&network.address, &format!("{field}.address")); - validation.required(&network.gateway, &format!("{field}.gateway")); - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct Machine { - pub cpu: ResourceRange, - pub ram: ResourceRange, - pub boot: Vec<Boot>, - #[serde(default, skip_serializing_if = "Vec::is_empty")] - pub access: Vec<Access>, - pub network: Network, -} - -impl Machine { - fn validate_into(&self, field: &str, validation: &mut Validation) { - self.cpu.validate_into(&format!("{field}.cpu"), validation); - self.ram.validate_into(&format!("{field}.ram"), validation); - if !self.boot.iter().any(Boot::is_recognized) { - validation.error(format!( - "{field}.boot must contain at least one supported boot protocol" - )); - } - for (index, boot) in self.boot.iter().enumerate() { - boot.validate_into(&format!("{field}.boot[{index}]"), validation); - } - if !self.access.is_empty() && !self.access.iter().any(Access::is_recognized) { - validation.error(format!( - "{field}.access must contain at least one supported access method" - )); - } - for (index, access) in self.access.iter().enumerate() { - access.validate_into(&format!("{field}.access[{index}]"), validation); - } - self.network - .validate_into(&format!("{field}.network"), validation); - } -} - -#[derive(Default)] -struct Validation { - issues: Vec<String>, -} - -impl Validation { - fn error(&mut self, message: impl Into<String>) { - self.issues.push(message.into()); - } - - fn required(&mut self, value: &str, field: &str) { - if value.trim().is_empty() { - self.error(format!("{field} must not be empty")); - } - } - - fn path(&mut self, value: &str, field: &str) { - let path = Path::new(value); - if value.is_empty() - || path.is_absolute() - || path - .components() - .any(|component| !matches!(component, Component::Normal(_))) - { - self.error(format!("{field} must be a relative normalized path")); - } - } - - fn finish(self) -> Result<(), ValidationError> { - if self.issues.is_empty() { - Ok(()) - } else { - Err(ValidationError { - issues: self.issues, - }) - } - } -} - -#[derive(Debug, Clone, PartialEq, Eq)] -pub struct ValidationError { - issues: Vec<String>, -} - -impl ValidationError { - fn single(message: impl Into<String>) -> Self { - Self { - issues: vec![message.into()], - } - } - - pub fn issues(&self) -> &[String] { - &self.issues - } -} - -impl fmt::Display for ValidationError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!( - f, - "invalid Hule image configuration: {}", - self.issues.join("; ") - ) - } -} - -impl std::error::Error for ValidationError {} - -#[derive(Debug)] -pub enum ParseError { - Json(serde_json::Error), - Validation(ValidationError), -} - -impl fmt::Display for ParseError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - Self::Json(error) => write!(f, "invalid JSON: {error}"), - Self::Validation(error) => error.fmt(f), - } - } -} - -impl std::error::Error for ParseError {} - -#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)] -#[serde(rename_all = "camelCase")] -pub struct MachineImage { - pub schema_version: u8, - pub kind: String, - pub system: System, - pub machine: Machine, - pub disks: Vec<Disk>, -} - -impl MachineImage { - pub fn from_json(data: &[u8]) -> Result<Self, ParseError> { - #[derive(Deserialize)] - #[serde(rename_all = "camelCase")] - struct Header { - schema_version: u8, - #[serde(default)] - kind: Option<String>, - } - - let header: Header = serde_json::from_slice(data).map_err(ParseError::Json)?; - if header.schema_version != SCHEMA_VERSION { - return Err(ParseError::Validation(ValidationError::single(format!( - "unsupported schemaVersion {}", - header.schema_version - )))); - } - if header.kind.as_deref() != Some(KIND) { - return Err(ParseError::Validation(ValidationError::single(format!( - "kind must be '{KIND}'" - )))); - } - - let image: Self = serde_json::from_slice(data).map_err(ParseError::Json)?; - image.validate().map_err(ParseError::Validation)?; - Ok(image) - } - - pub fn validate(&self) -> Result<(), ValidationError> { - if self.schema_version != SCHEMA_VERSION { - return Err(ValidationError::single(format!( - "unsupported schemaVersion {}", - self.schema_version - ))); - } - if self.kind != KIND { - return Err(ValidationError::single(format!("kind must be '{KIND}'"))); - } - - let mut validation = Validation::default(); - self.system.validate_into("system", &mut validation); - self.machine.validate_into("machine", &mut validation); - - if self.disks.is_empty() { - validation.error("disks must not be empty"); - } - let mut disk_ids = HashSet::new(); - let mut paths = HashSet::new(); - for (index, disk) in self.disks.iter().enumerate() { - let at = format!("disks[{index}]"); - disk.validate_into(&at, &mut validation); - if !disk_ids.insert(disk.id.as_str()) { - validation.error(format!("duplicate disk id '{}'", disk.id)); - } - if !paths.insert(disk.path.as_str()) { - validation.error(format!("duplicate image path '{}'", disk.path)); - } - } - - let mut boot_protocols = HashSet::new(); - for (index, boot) in self.machine.boot.iter().enumerate() { - if !boot.is_recognized() { - // Tolerated, not cross-referenced: we don't know what its - // fields (e.g. "disk") even mean. - continue; - } - if !boot_protocols.insert(boot.protocol()) { - validation.error(format!("duplicate boot protocol '{}'", boot.protocol())); - } - if !disk_ids.contains(boot.disk()) { - validation.error(format!( - "machine.boot[{index}] references unknown disk '{}'", - boot.disk() - )); - } - if let Boot::Linux(linux) = boot { - if self.system.os != "linux" { - validation.error(format!( - "machine.boot[{index}] protocol '{BOOT_LINUX_DIRECT}' requires system.os 'linux'" - )); - } - for path in [&linux.kernel.path, &linux.initrd.path] { - if !paths.insert(path) { - validation.error(format!("duplicate image path '{path}'")); - } - } - } - } - - validation.finish() - } - - pub fn referenced_paths(&self) -> impl Iterator<Item = &str> { - self.disks.iter().map(|d| d.path.as_str()).chain( - self.machine - .boot - .iter() - .flat_map(|boot| match boot { - Boot::Bios(_) | Boot::Uefi(_) | Boot::Unknown(_) => [None, None], - Boot::Linux(v) => [Some(v.kernel.path.as_str()), Some(v.initrd.path.as_str())], - }) - .flatten(), - ) - } -} - -#[cfg(test)] -mod tests { - use super::*; - - fn valid_json() -> Vec<u8> { - br#"{"schemaVersion":1,"kind":"MachineImage","system":{"os":"linux","name":"alpine","version":"3.24","architecture":"amd64"},"machine":{"cpu":{"minimum":1,"default":2},"ram":{"minimum":268435456,"default":1073741824},"boot":[{"protocol":"firmware-disk/bios","disk":"root"}],"access":[{"type":"ssh","port":22,"user":"build","auth":"empty-password"}],"network":{"mode":"static","address":"10.0.2.15/24","gateway":"10.0.2.2"}},"disks":[{"id":"root","format":"qcow2","path":"root.hmi","digest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","virtSize":1024,"diskSize":512}]}"#.to_vec() - } - - #[test] - fn parses_and_round_trips_valid_config() { - let image = MachineImage::from_json(&valid_json()).unwrap(); - let encoded = serde_json::to_vec(&image).unwrap(); - assert_eq!(MachineImage::from_json(&encoded).unwrap(), image); - } - - #[test] - fn rejects_unknown_disk_and_unsafe_path() { - let mut image = MachineImage::from_json(&valid_json()).unwrap(); - image.disks[0].path = "../root.hmi".into(); - match &mut image.machine.boot[0] { - Boot::Bios(v) => v.disk = "missing".into(), - Boot::Uefi(_) | Boot::Linux(_) | Boot::Unknown(_) => unreachable!(), - } - let error = image.validate().unwrap_err(); - assert!( - error - .issues() - .iter() - .any(|v| v.contains("relative normalized path")) - ); - assert!(error.issues().iter().any(|v| v.contains("unknown disk"))); - } - - #[test] - fn rejects_invalid_digest_and_resource_range() { - let mut image = MachineImage::from_json(&valid_json()).unwrap(); - image.disks[0].digest = Digest("md5:no".into()); - image.machine.cpu.default = 0; - let error = image.validate().unwrap_err(); - assert_eq!(error.issues().len(), 2); - } - - #[test] - fn system_name_is_optional_but_not_empty() { - let mut image = MachineImage::from_json(&valid_json()).unwrap(); - image.system.name = None; - let encoded = serde_json::to_value(&image).unwrap(); - assert!(encoded["system"].get("name").is_none()); - image.validate().unwrap(); - - image.system.name = Some(String::new()); - assert!(image.validate().is_err()); - } - - #[test] - fn parses_uefi_firmware_disk_boot() { - let mut image = MachineImage::from_json(&valid_json()).unwrap(); - image.machine.boot[0] = Boot::Uefi(BootUefi { - protocol: BOOT_FIRMWARE_DISK_UEFI.into(), - disk: "root".into(), - }); - - let encoded = serde_json::to_vec(&image).unwrap(); - let decoded = MachineImage::from_json(&encoded).unwrap(); - assert_eq!(decoded.machine.boot[0].protocol(), BOOT_FIRMWARE_DISK_UEFI); - } - - #[test] - fn rejects_config_whose_only_boot_entry_is_unrecognized() { - // An unrecognized boot protocol must not fail *parsing* -- see - // `mixed_boot_list_tolerates_unrecognized_entries` below for why -- - // but a config with *no* recognized entry at all is unusable and - // must fail *validation*. - let json = String::from_utf8(valid_json()) - .unwrap() - .replace(BOOT_FIRMWARE_DISK_BIOS, "firmware-disk/unknown"); - let error = MachineImage::from_json(json.as_bytes()).unwrap_err(); - assert!( - error - .to_string() - .contains("must contain at least one supported boot protocol") - ); - } - - #[test] - fn mixed_boot_list_tolerates_unrecognized_entries() { - // A newer image may list a protocol this version doesn't know about - // alongside one it does; parsing and validation must both succeed, - // and the unrecognized entry must round-trip losslessly. - let json = String::from_utf8(valid_json()).unwrap().replace( - r#"[{"protocol":"firmware-disk/bios","disk":"root"}]"#, - r#"[{"protocol":"firmware-disk/bios","disk":"root"},{"protocol":"vsock/direct","disk":"root","futureField":42}]"#, - ); - let image = MachineImage::from_json(json.as_bytes()).unwrap(); - assert_eq!(image.machine.boot.len(), 2); - assert!(image.machine.boot[0].is_recognized()); - assert!(!image.machine.boot[1].is_recognized()); - - let encoded = serde_json::to_vec(&image).unwrap(); - assert_eq!(MachineImage::from_json(&encoded).unwrap(), image); - } - - #[test] - fn rejects_config_whose_only_access_entry_is_unrecognized() { - let json = String::from_utf8(valid_json()).unwrap().replace( - r#"{"type":"ssh","port":22,"user":"build","auth":"empty-password"}"#, - r#"{"type":"vsock-agent","channel":9000}"#, - ); - let error = MachineImage::from_json(json.as_bytes()).unwrap_err(); - assert!( - error - .to_string() - .contains("must contain at least one supported access method") - ); - } - - #[test] - fn parses_qga_access() { - let json = String::from_utf8(valid_json()).unwrap().replace( - r#"[{"type":"ssh","port":22,"user":"build","auth":"empty-password"}]"#, - r#"[{"type":"ssh","port":22,"user":"build","auth":"empty-password"},{"type":"qga"}]"#, - ); - let image = MachineImage::from_json(json.as_bytes()).unwrap(); - assert_eq!(image.machine.access.len(), 2); - assert!(matches!(image.machine.access[1], Access::Qga { .. })); - } - - #[test] - fn access_may_be_omitted_for_a_black_box_image() { - let json = String::from_utf8(valid_json()).unwrap().replace( - r#","access":[{"type":"ssh","port":22,"user":"build","auth":"empty-password"}]"#, - "", - ); - let image = MachineImage::from_json(json.as_bytes()).unwrap(); - assert!(image.machine.access.is_empty()); - assert!( - serde_json::to_value(image).unwrap()["machine"] - .get("access") - .is_none() - ); - } - - #[test] - fn parses_dhcp_network_without_static_parameters() { - let json = String::from_utf8(valid_json()).unwrap().replace( - r#"{"mode":"static","address":"10.0.2.15/24","gateway":"10.0.2.2"}"#, - r#"{"mode":"dhcp"}"#, - ); - let image = MachineImage::from_json(json.as_bytes()).unwrap(); - assert!(matches!(image.machine.network, Network::Dhcp(_))); - } - - #[test] - fn rejects_unknown_schema_before_parsing_schema_fields() { - let error = MachineImage::from_json(br#"{"schemaVersion":2}"#).unwrap_err(); - let ParseError::Validation(error) = error else { - panic!("expected validation error") - }; - assert_eq!(error.issues(), ["unsupported schemaVersion 2"]); - } - - #[test] - fn rejects_unknown_kind_before_parsing_kind_fields() { - let error = MachineImage::from_json(br#"{"schemaVersion":1,"kind":"Other"}"#).unwrap_err(); - let ParseError::Validation(error) = error else { - panic!("expected validation error") - }; - assert_eq!(error.issues(), ["kind must be 'MachineImage'"]); - } - - #[test] - fn rejects_unknown_architecture() { - let json = String::from_utf8(valid_json()) - .unwrap() - .replace("\"architecture\":\"amd64\"", "\"architecture\":\"mips\""); - let error = MachineImage::from_json(json.as_bytes()).unwrap_err(); - assert!(error.to_string().contains("unknown variant `mips`")); - } - - #[test] - fn parses_additional_oci_architectures() { - for architecture in ["loong64", "riscv64", "s390x"] { - let json = String::from_utf8(valid_json()).unwrap().replace( - "\"architecture\":\"amd64\"", - &format!("\"architecture\":\"{architecture}\""), - ); - MachineImage::from_json(json.as_bytes()).unwrap(); - } - } -} diff --git a/crates/hule-oci/Cargo.toml b/crates/hule-oci/Cargo.toml index 6b05ea5..071f9c5 100644 --- a/crates/hule-oci/Cargo.toml +++ b/crates/hule-oci/Cargo.toml @@ -1,4 +1,4 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-FileCopyrightText: 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 [package] @@ -13,9 +13,3 @@ authors.workspace = true repository.workspace = true [dependencies] -hule-hmi.workspace = true -serde_json.workspace = true -tokio = { workspace = true, features = ["fs", "io-util", "rt"] } -oci-client = "0.17" -zstd = "0.13" -sha2 = "0.10" diff --git a/crates/hule-oci/src/error.rs b/crates/hule-oci/src/error.rs deleted file mode 100644 --- a/crates/hule-oci/src/error.rs +++ /dev/null @@ -1,119 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -use oci_client::errors::OciDistributionError; -use std::fmt; -use std::path::PathBuf; - -#[derive(Debug)] -pub enum Error { - Io(std::io::Error), - Json(serde_json::Error), - InvalidImage(hule_hmi::ParseError), - InvalidReference { - reference: String, - source: oci_client::ParseError, - }, - Registry(OciDistributionError), - Task(tokio::task::JoinError), - InvalidImagePath(PathBuf), - MissingConfig(PathBuf), - ImageNotFound(String), - MissingManifest, - InvalidLayer(&'static str), - InvalidAnnotation { - name: &'static str, - value: String, - }, - EmptyImageFile(PathBuf), - InvalidStoragePath { - kind: &'static str, - value: String, - }, -} - -impl fmt::Display for Error { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - Self::Io(error) => error.fmt(f), - Self::Json(error) => error.fmt(f), - Self::InvalidImage(error) => error.fmt(f), - Self::InvalidReference { reference, source } => { - write!(f, "invalid reference '{reference}': {source}") - } - Self::Registry(error) => error.fmt(f), - Self::Task(error) => write!(f, "background task failed: {error}"), - Self::InvalidImagePath(path) => { - write!(f, "{} has no file name", path.display()) - } - Self::MissingConfig(path) => { - write!(f, "{} does not contain config.json", path.display()) - } - Self::ImageNotFound(reference) => { - write!(f, "no local image tagged '{reference}'") - } - Self::MissingManifest => f.write_str("registry returned no image manifest"), - Self::InvalidLayer(reason) => write!(f, "invalid chunk layer: {reason}"), - Self::InvalidAnnotation { name, value } => { - write!(f, "invalid chunk {name} annotation '{value}'") - } - Self::EmptyImageFile(path) => write!(f, "{} is empty", path.display()), - Self::InvalidStoragePath { kind, value } => { - write!(f, "invalid {kind} '{value}'") - } - } - } -} - -impl std::error::Error for Error { - fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { - match self { - Self::Io(error) => Some(error), - Self::Json(error) => Some(error), - Self::InvalidImage(error) => Some(error), - Self::InvalidReference { source, .. } => Some(source), - Self::Registry(error) => Some(error), - Self::Task(error) => Some(error), - Self::InvalidImagePath(_) - | Self::MissingConfig(_) - | Self::ImageNotFound(_) - | Self::MissingManifest - | Self::InvalidLayer(_) - | Self::InvalidAnnotation { .. } - | Self::EmptyImageFile(_) - | Self::InvalidStoragePath { .. } => None, - } - } -} - -impl From<std::io::Error> for Error { - fn from(error: std::io::Error) -> Self { - Self::Io(error) - } -} - -impl From<serde_json::Error> for Error { - fn from(error: serde_json::Error) -> Self { - Self::Json(error) - } -} - -impl From<hule_hmi::ParseError> for Error { - fn from(error: hule_hmi::ParseError) -> Self { - Self::InvalidImage(error) - } -} - -impl From<OciDistributionError> for Error { - fn from(error: OciDistributionError) -> Self { - Self::Registry(error) - } -} - -impl From<tokio::task::JoinError> for Error { - fn from(error: tokio::task::JoinError) -> Self { - Self::Task(error) - } -} - -pub type Result<T> = std::result::Result<T, Error>; diff --git a/crates/hule-oci/src/lib.rs b/crates/hule-oci/src/lib.rs index 819e05b..306f146 100644 --- a/crates/hule-oci/src/lib.rs +++ b/crates/hule-oci/src/lib.rs @@ -1,486 +1,4 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov +// SPDX-FileCopyrightText: 2026 Nikolay Govorov // SPDX-License-Identifier: Apache-2.0 -//! OCI image storage and registry operations for Hule machine images. - -mod error; -mod storage; - -use hule_hmi::MachineImage; -use oci_client::annotations::{ORG_OPENCONTAINERS_IMAGE_REF_NAME, ORG_OPENCONTAINERS_IMAGE_TITLE}; -use oci_client::client::{ClientConfig, ClientProtocol, Config, ImageLayer}; -use oci_client::manifest::{ - ImageIndexEntry, OCI_IMAGE_MEDIA_TYPE, OciDescriptor, OciImageIndex, OciImageManifest, -}; -use oci_client::secrets::RegistryAuth; -use oci_client::{Client, Reference}; -use std::collections::{BTreeMap, BTreeSet}; -use std::path::{Path, PathBuf}; -use tokio::fs::{self, File}; -use tokio::io::AsyncReadExt; -use tokio::task; - -pub use error::{Error, Result}; -pub use storage::Storage; - -type R<T> = Result<T>; - -// ---- local OCI-layout store ------------------------------------------- - -const CHUNK_SIZE: usize = 256 * 1024 * 1024; -const HULE_CHUNK_MEDIA_TYPE: &str = "application/vnd.hule.disk.chunk.v1"; -const HULE_CONFIG_MEDIA_TYPE: &str = "application/vnd.hule.machine.config.v1+json"; -const ANNOTATION_CHUNK_OFFSET: &str = "io.hule.chunk.offset"; -const ANNOTATION_CHUNK_LENGTH: &str = "io.hule.chunk.length"; - -fn index_lookup(index: &OciImageIndex, reference: &str) -> Option<String> { - index - .manifests - .iter() - .find(|m| { - m.annotations - .as_ref() - .and_then(|a| a.get(ORG_OPENCONTAINERS_IMAGE_REF_NAME)) - .map(String::as_str) - == Some(reference) - }) - .map(|m| m.digest.clone()) -} - -fn index_set(index: &mut OciImageIndex, reference: &str, digest: &str, size: u64) { - index.manifests.retain(|m| { - m.annotations - .as_ref() - .and_then(|a| a.get(ORG_OPENCONTAINERS_IMAGE_REF_NAME)) - .map(String::as_str) - != Some(reference) - }); - let mut annotations = BTreeMap::new(); - annotations.insert( - ORG_OPENCONTAINERS_IMAGE_REF_NAME.to_string(), - reference.to_string(), - ); - index.manifests.push(ImageIndexEntry { - media_type: OCI_IMAGE_MEDIA_TYPE.to_string(), - digest: digest.to_string(), - size: size as i64, - platform: None, - annotations: Some(annotations), - artifact_type: None, - }); -} - -/// Manages Hule images backed by a [`Storage`]. -#[derive(Clone, Debug)] -pub struct ImageManager { - storage: Storage, -} - -impl ImageManager { - pub fn new(storage: Storage) -> Self { - Self { storage } - } - - pub fn storage(&self) -> &Storage { - &self.storage - } - - /// Splits `path` into fixed-size chunks, compresses each independently - /// and writes each as its own blob. - async fn write_file_chunks(&self, path: &Path) -> R<Vec<OciDescriptor>> { - let title = path - .file_name() - .ok_or_else(|| Error::InvalidImagePath(path.to_path_buf()))? - .to_string_lossy() - .to_string(); - let mut file = File::open(path).await?; - let mut descriptors = Vec::new(); - let mut offset: u64 = 0; - loop { - let mut buf = Vec::with_capacity(CHUNK_SIZE); - (&mut file) - .take(CHUNK_SIZE as u64) - .read_to_end(&mut buf) - .await?; - if buf.is_empty() { - break; - } - let length = buf.len() as u64; - let compressed = - task::spawn_blocking(move || zstd::stream::encode_all(&buf[..], 0)).await??; - let compressed_len = compressed.len(); - let (digest, _) = self.storage.write_blob(compressed).await?; - - let mut annotations = BTreeMap::new(); - annotations.insert(ORG_OPENCONTAINERS_IMAGE_TITLE.to_string(), title.clone()); - annotations.insert(ANNOTATION_CHUNK_OFFSET.to_string(), offset.to_string()); - annotations.insert(ANNOTATION_CHUNK_LENGTH.to_string(), length.to_string()); - - descriptors.push(OciDescriptor { - media_type: HULE_CHUNK_MEDIA_TYPE.to_string(), - digest, - size: compressed_len as i64, - urls: None, - annotations: Some(annotations), - artifact_type: None, - }); - - offset += length; - if length < CHUNK_SIZE as u64 { - break; - } - } - if descriptors.is_empty() { - return Err(Error::EmptyImageFile(path.to_path_buf())); - } - Ok(descriptors) - } -} - -fn make_client(reference: &Reference) -> Client { - let registry = reference.resolve_registry(); - let host = registry.split(':').next().unwrap_or(registry); - let protocol = if host == "localhost" || host == "127.0.0.1" { - ClientProtocol::Http - } else { - ClientProtocol::Https - }; - Client::new(ClientConfig { - protocol, - ..Default::default() - }) -} - -fn parse_reference(s: &str) -> R<Reference> { - s.parse().map_err(|source| Error::InvalidReference { - reference: s.to_string(), - source, - }) -} - -// ---- image operations ------------------------------------------------- - -impl ImageManager { - /// Loads a prepared HMI image directory and optionally tags it. - pub async fn load(&self, path: &Path, reference: Option<&str>) -> R<String> { - let config_path = path.join("config.json"); - match fs::metadata(&config_path).await { - Ok(metadata) if metadata.is_file() => {} - Ok(_) => return Err(Error::MissingConfig(path.to_path_buf())), - Err(error) if error.kind() == std::io::ErrorKind::NotFound => { - return Err(Error::MissingConfig(path.to_path_buf())); - } - Err(error) => return Err(error.into()), - } - let config_bytes = fs::read(&config_path).await?; - MachineImage::from_json(&config_bytes)?; - - let mut dir = fs::read_dir(path).await?; - let mut entries = Vec::new(); - while let Some(entry) = dir.next_entry().await? { - entries.push(entry); - } - entries.sort_by_key(|entry| entry.file_name()); - - let mut layers = Vec::new(); - let mut sources: Vec<(String, PathBuf)> = Vec::new(); - for entry in entries { - if !entry.file_type().await?.is_file() { - continue; - } - let name = entry.file_name().to_string_lossy().to_string(); - if name == "config.json" { - continue; - } - let file_path = entry.path(); - layers.extend(self.write_file_chunks(&file_path).await?); - sources.push((name, file_path)); - } - - let config_size = config_bytes.len(); - let (config_digest, _) = self.storage.write_blob(config_bytes).await?; - let config = OciDescriptor { - media_type: HULE_CONFIG_MEDIA_TYPE.to_string(), - digest: config_digest, - size: config_size as i64, - urls: None, - annotations: None, - artifact_type: None, - }; - - let manifest = OciImageManifest { - schema_version: 2, - media_type: Some(OCI_IMAGE_MEDIA_TYPE.to_string()), - config, - layers, - subject: None, - artifact_type: None, - annotations: None, - }; - let manifest_bytes = serde_json::to_vec(&manifest)?; - let manifest_size = manifest_bytes.len(); - let (manifest_digest, _) = self.storage.write_blob(manifest_bytes).await?; - - self.storage.ensure_hmi_image(&manifest_digest).await?; - for (title, source) in &sources { - self.storage - .cache_hmi_file(&manifest_digest, title, source) - .await?; - } - - if let Some(reference) = reference { - let mut index = self.storage.read_index().await?; - index_set( - &mut index, - reference, - &manifest_digest, - manifest_size as u64, - ); - self.storage.write_index(&index).await?; - } - Ok(manifest_digest) - } - - /// Pushes a locally tagged image to its registry reference. - pub async fn push(&self, reference_str: &str) -> R<()> { - let index = self.storage.read_index().await?; - let manifest_digest = index_lookup(&index, reference_str) - .ok_or_else(|| Error::ImageNotFound(reference_str.to_string()))?; - let manifest_bytes = self.storage.read_blob(&manifest_digest).await?; - let manifest: OciImageManifest = serde_json::from_slice(&manifest_bytes)?; - - let reference = parse_reference(reference_str)?; - let client = make_client(&reference); - let auth = RegistryAuth::Anonymous; - - let mut layers = Vec::new(); - for descriptor in &manifest.layers { - let data = self.storage.read_blob(&descriptor.digest).await?; - layers.push(ImageLayer::new( - data, - descriptor.media_type.clone(), - descriptor.annotations.clone(), - )); - } - let config_bytes = self.storage.read_blob(&manifest.config.digest).await?; - let config = Config::new( - config_bytes, - manifest.config.media_type.clone(), - manifest.config.annotations.clone(), - ); - - client - .push(&reference, &layers, config, &auth, Some(manifest)) - .await?; - - Ok(()) - } - - /// Pulls an image into the OCI layout and materializes it in the HMI store. - pub async fn pull(&self, reference_str: &str) -> R<String> { - let reference = parse_reference(reference_str)?; - let client = make_client(&reference); - let auth = RegistryAuth::Anonymous; - - let mut image_data = client - .pull(&reference, &auth, vec![HULE_CHUNK_MEDIA_TYPE]) - .await?; - let manifest = image_data.manifest.ok_or(Error::MissingManifest)?; - - // `client.pull()` fetches layers via `buffer_unordered`, so `image_data.layers` is - // in completion order, not manifest order. Each layer carries its own annotations. - for layer in &mut image_data.layers { - let data = std::mem::take(&mut layer.data); - let (_, data) = self.storage.write_blob(data).await?; - layer.data = data; - } - let config_data = std::mem::take(&mut image_data.config.data); - let (_, config_data) = self.storage.write_blob(config_data).await?; - image_data.config.data = config_data; - - let manifest_bytes = serde_json::to_vec(&manifest)?; - let manifest_size = manifest_bytes.len(); - let (manifest_digest, _) = self.storage.write_blob(manifest_bytes).await?; - self.storage.ensure_hmi_image(&manifest_digest).await?; - - let mut by_title: BTreeMap<String, Vec<(u64, ImageLayer)>> = BTreeMap::new(); - for layer in image_data.layers { - let annotations = layer - .annotations - .as_ref() - .ok_or(Error::InvalidLayer("missing annotations"))?; - let title = annotations - .get(ORG_OPENCONTAINERS_IMAGE_TITLE) - .ok_or(Error::InvalidLayer("missing title annotation"))?; - let offset_value = annotations - .get(ANNOTATION_CHUNK_OFFSET) - .ok_or(Error::InvalidLayer("missing offset annotation"))?; - let offset: u64 = offset_value.parse().map_err(|_| Error::InvalidAnnotation { - name: "offset", - value: offset_value.clone(), - })?; - by_title - .entry(title.clone()) - .or_default() - .push((offset, layer)); - } - - for (title, chunks) in by_title { - let mut decompressed_chunks = Vec::with_capacity(chunks.len()); - for (offset, layer) in chunks { - let data = task::spawn_blocking(move || zstd::stream::decode_all(&layer.data[..])) - .await??; - decompressed_chunks.push((offset, data)); - } - self.storage - .write_hmi_file(&manifest_digest, &title, decompressed_chunks) - .await?; - } - - let mut index = self.storage.read_index().await?; - index_set( - &mut index, - reference_str, - &manifest_digest, - manifest_size as u64, - ); - self.storage.write_index(&index).await?; - - Ok(manifest_digest) - } - - /// Returns whether a reference is present in the local OCI layout. - pub async fn contains(&self, reference_str: &str) -> R<bool> { - Ok(index_lookup(&self.storage.read_index().await?, reference_str).is_some()) - } - - /// Materializes a locally tagged image into `destination` and returns config.json. - pub async fn materialize(&self, reference_str: &str, destination: &Path) -> R<Vec<u8>> { - let manifest_digest = index_lookup(&self.storage.read_index().await?, reference_str) - .ok_or_else(|| Error::ImageNotFound(reference_str.to_string()))?; - - let manifest_bytes = self.storage.read_blob(&manifest_digest).await?; - let manifest: OciImageManifest = serde_json::from_slice(&manifest_bytes)?; - let config_bytes = self.storage.read_blob(&manifest.config.digest).await?; - - fs::create_dir_all(destination).await?; - fs::write(destination.join("config.json"), &config_bytes).await?; - - let mut titles: BTreeSet<String> = BTreeSet::new(); - for descriptor in &manifest.layers { - if let Some(title) = descriptor - .annotations - .as_ref() - .and_then(|annotations| annotations.get(ORG_OPENCONTAINERS_IMAGE_TITLE)) - { - titles.insert(title.clone()); - } - } - for title in titles { - self.storage - .export_hmi_file(&manifest_digest, &title, &destination.join(&title)) - .await?; - } - - Ok(config_bytes) - } -} - -#[cfg(test)] -mod tests { - use super::*; - use std::sync::atomic::{AtomicU64, Ordering}; - - const TEST_CONFIG: &[u8] = br#"{ - "schemaVersion": 1, - "kind": "MachineImage", - "system": { - "os": "linux", - "name": "test", - "version": "1", - "architecture": "amd64" - }, - "machine": { - "cpu": { "minimum": 1, "default": 1 }, - "ram": { "minimum": 268435456, "default": 268435456 }, - "boot": [{ "protocol": "firmware-disk/bios", "disk": "root" }], - "access": [{ - "type": "ssh", - "port": 22, - "user": "root", - "auth": "empty-password" - }], - "network": { "mode": "dhcp" } - }, - "disks": [{ - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:372409142c91c51316a7ab2b055596e145de56d99aa0f5eb110068876cef0be4", - "virtSize": 14, - "diskSize": 14 - }] - }"#; - - fn temporary_directory() -> PathBuf { - static NEXT_ID: AtomicU64 = AtomicU64::new(0); - std::env::temp_dir().join(format!( - "hule-oci-test-{}-{}", - std::process::id(), - NEXT_ID.fetch_add(1, Ordering::Relaxed) - )) - } - - #[test] - fn manager_uses_separate_oci_and_hmi_roots() { - tokio::runtime::Builder::new_current_thread() - .build() - .unwrap() - .block_on(async { - let root = temporary_directory(); - let source = root.join("source"); - let oci_root = root.join("oci"); - let hmi_root = root.join("hmi"); - let destination = root.join("destination"); - fs::create_dir_all(&source).await.unwrap(); - fs::write(source.join("config.json"), TEST_CONFIG) - .await - .unwrap(); - fs::write(source.join("root.hmi"), b"test hmi image") - .await - .unwrap(); - - let storage = Storage::open(&oci_root, &hmi_root).await.unwrap(); - let images = ImageManager::new(storage); - let reference = "example.test/hule:tokio"; - let digest = images.load(&source, Some(reference)).await.unwrap(); - - assert!(images.contains(reference).await.unwrap()); - assert!(fs::try_exists(oci_root.join("index.json")).await.unwrap()); - assert!( - fs::try_exists( - hmi_root - .join(digest.strip_prefix("sha256:").unwrap_or(&digest)) - .join("root.hmi") - ) - .await - .unwrap() - ); - - let config = images.materialize(reference, &destination).await.unwrap(); - assert!(!config.is_empty()); - assert_eq!( - fs::read(destination.join("root.hmi")).await.unwrap(), - b"test hmi image" - ); - - assert!(matches!(images.contains("missing").await, Ok(false))); - assert!(matches!( - images.materialize("missing", &destination).await, - Err(Error::ImageNotFound(reference)) if reference == "missing" - )); - - fs::remove_dir_all(root).await.unwrap(); - }); - } -} +pub const NAME: &str = "I'm a oci library"; diff --git a/crates/hule-oci/src/storage.rs b/crates/hule-oci/src/storage.rs deleted file mode 100644 --- a/crates/hule-oci/src/storage.rs +++ /dev/null @@ -1,213 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -use crate::{Error, Result}; -use oci_client::manifest::OciImageIndex; -use std::io::SeekFrom; -use std::path::{Component, Path, PathBuf}; -use tokio::fs::{self, File}; -use tokio::io::{AsyncSeekExt, AsyncWriteExt}; -use tokio::task; - -/// Filesystem storage for OCI content and materialized HMI images. -/// -/// The roots are independent so callers can place content-addressed OCI data -/// and large materialized disks on different filesystems. -#[derive(Clone, Debug)] -pub struct Storage { - oci_root: PathBuf, - hmi_root: PathBuf, -} - -impl Storage { - /// Opens the storage and creates its filesystem layout when necessary. - pub async fn open(oci_root: impl Into<PathBuf>, hmi_root: impl Into<PathBuf>) -> Result<Self> { - let storage = Self { - oci_root: oci_root.into(), - hmi_root: hmi_root.into(), - }; - - fs::create_dir_all(&storage.hmi_root).await?; - fs::create_dir_all(storage.blobs_dir()).await?; - - let layout = storage.oci_root.join("oci-layout"); - if !fs::try_exists(&layout).await? { - fs::write(&layout, br#"{"imageLayoutVersion":"1.0.0"}"#).await?; - } - - Ok(storage) - } - - pub fn oci_root(&self) -> &Path { - &self.oci_root - } - - pub fn hmi_root(&self) -> &Path { - &self.hmi_root - } - - fn blobs_dir(&self) -> PathBuf { - self.oci_root.join("blobs").join("sha256") - } - - fn index_path(&self) -> PathBuf { - self.oci_root.join("index.json") - } - - fn hmi_image_dir(&self, manifest_digest: &str) -> Result<PathBuf> { - let digest = safe_component(strip_sha256(manifest_digest), "manifest digest")?; - Ok(self.hmi_root.join(digest)) - } - - fn hmi_file_path(&self, manifest_digest: &str, title: &str) -> Result<PathBuf> { - let title = safe_component(title, "image file name")?; - Ok(self.hmi_image_dir(manifest_digest)?.join(title)) - } - - fn blob_path(&self, digest: &str) -> Result<PathBuf> { - let digest = safe_component(strip_sha256(digest), "blob digest")?; - Ok(self.blobs_dir().join(digest)) - } - - pub(crate) async fn read_blob(&self, digest: &str) -> Result<Vec<u8>> { - Ok(fs::read(self.blob_path(digest)?).await?) - } - - /// Writes raw bytes as a content-addressed blob, no-op if already present. - pub(crate) async fn write_blob<T>(&self, data: T) -> Result<(String, T)> - where - T: AsRef<[u8]> + Send + Sync + 'static, - { - let (digest, data) = - task::spawn_blocking(move || (sha256_hex(data.as_ref()), data)).await?; - let path = self.blob_path(&digest)?; - if !fs::try_exists(&path).await? { - let tmp = path.with_extension("tmp"); - fs::write(&tmp, data.as_ref()).await?; - fs::rename(&tmp, &path).await?; - } - Ok((digest, data)) - } - - pub(crate) async fn read_index(&self) -> Result<OciImageIndex> { - let path = self.index_path(); - if !fs::try_exists(&path).await? { - return Ok(OciImageIndex { - schema_version: 2, - media_type: None, - manifests: vec![], - artifact_type: None, - annotations: None, - }); - } - let data = fs::read(&path).await?; - Ok(serde_json::from_slice(&data)?) - } - - pub(crate) async fn write_index(&self, index: &OciImageIndex) -> Result<()> { - let data = serde_json::to_vec_pretty(index)?; - fs::write(self.index_path(), data).await?; - Ok(()) - } - - pub(crate) async fn ensure_hmi_image(&self, manifest_digest: &str) -> Result<()> { - fs::create_dir_all(self.hmi_image_dir(manifest_digest)?).await?; - Ok(()) - } - - pub(crate) async fn cache_hmi_file( - &self, - manifest_digest: &str, - title: &str, - source: &Path, - ) -> Result<()> { - let destination = self.hmi_file_path(manifest_digest, title)?; - if !fs::try_exists(&destination).await? { - Self::hardlink_or_copy(source, &destination).await?; - } - Ok(()) - } - - pub(crate) async fn write_hmi_file( - &self, - manifest_digest: &str, - title: &str, - mut chunks: Vec<(u64, Vec<u8>)>, - ) -> Result<()> { - chunks.sort_by_key(|(offset, _)| *offset); - let mut file = File::create(self.hmi_file_path(manifest_digest, title)?).await?; - for (offset, data) in chunks { - file.seek(SeekFrom::Start(offset)).await?; - file.write_all(&data).await?; - } - file.flush().await?; - Ok(()) - } - - pub(crate) async fn export_hmi_file( - &self, - manifest_digest: &str, - title: &str, - destination: &Path, - ) -> Result<()> { - let source = self.hmi_file_path(manifest_digest, title)?; - if !fs::try_exists(destination).await? { - Self::hardlink_or_copy(&source, destination).await?; - } - Ok(()) - } - - async fn hardlink_or_copy(source: &Path, destination: &Path) -> Result<()> { - if fs::hard_link(source, destination).await.is_err() { - fs::copy(source, destination).await?; - } - Ok(()) - } -} - -fn safe_component<'a>(value: &'a str, kind: &'static str) -> Result<&'a str> { - let mut components = Path::new(value).components(); - match (components.next(), components.next()) { - (Some(Component::Normal(_)), None) => Ok(value), - _ => Err(Error::InvalidStoragePath { - kind, - value: value.to_string(), - }), - } -} - -fn strip_sha256(digest: &str) -> &str { - digest.strip_prefix("sha256:").unwrap_or(digest) -} - -fn sha256_hex(data: &[u8]) -> String { - use sha2::{Digest, Sha256}; - let mut hasher = Sha256::new(); - hasher.update(data); - format!("sha256:{:x}", hasher.finalize()) -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn paths_cannot_escape_storage_roots() { - let storage = Storage { - oci_root: "oci".into(), - hmi_root: "hmi".into(), - }; - assert!(matches!( - storage.blob_path("sha256:../../outside"), - Err(Error::InvalidStoragePath { .. }) - )); - assert!(matches!( - storage.hmi_image_dir("sha256:../outside"), - Err(Error::InvalidStoragePath { .. }) - )); - assert!(matches!( - storage.hmi_file_path("sha256:digest", "../outside"), - Err(Error::InvalidStoragePath { .. }) - )); - } -} diff --git a/crates/hule-vmm/Cargo.toml b/crates/hule-vmm/Cargo.toml index 50170c9..42c8561 100644 --- a/crates/hule-vmm/Cargo.toml +++ b/crates/hule-vmm/Cargo.toml @@ -1,4 +1,4 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-FileCopyrightText: 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 [package] @@ -13,13 +13,3 @@ authors.workspace = true repository.workspace = true [dependencies] -hule-hmi.workspace = true -uuid = { version = "1", features = ["v7"] } -tokio = { workspace = true, features = ["process", "fs", "io-util", "sync", "net", "time"] } -async-trait = "0.1" -serde.workspace = true -serde_json.workspace = true -base64 = "0.22" - -[dev-dependencies] -tokio = { workspace = true, features = ["macros", "rt-multi-thread"] } diff --git a/crates/hule-vmm/src/backend/mod.rs b/crates/hule-vmm/src/backend/mod.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/mod.rs +++ /dev/null @@ -1,4 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -pub mod qemu; diff --git a/crates/hule-vmm/src/backend/qemu/cli.rs b/crates/hule-vmm/src/backend/qemu/cli.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/qemu/cli.rs +++ /dev/null @@ -1,388 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! Typed wrapper over the `qemu-system-*` command line. One qemu concept -//! per type/field; knows nothing about Hule's image/machine model. - -use std::path::PathBuf; - -/// One of the architectures qemu ships a `qemu-system-*` binary for. -/// Distinct from `hule_hmi::Architecture`: this is qemu's own set of -/// per-arch conventions (binary name, machine type, TCG cpu model), not -/// Hule's. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub enum Arch { - Amd64, - Arm64, - Loong64, - Ppc64le, - Riscv64, - S390x, -} - -impl Arch { - /// The `qemu-system-*` binary for this target. - pub fn binary(&self) -> String { - let suffix = match self { - Self::Amd64 => "x86_64", - Self::Arm64 => "aarch64", - Self::Loong64 => "loongarch64", - Self::Ppc64le => "ppc64le", - Self::Riscv64 => "riscv64", - Self::S390x => "s390x", - }; - format!("qemu-system-{suffix}") - } - - /// `-machine`/`-M` value this arch needs, if any (the default machine - /// type is fine for the others). - pub fn machine_type(&self) -> Option<&'static str> { - match self { - Self::Arm64 | Self::Riscv64 => Some("virt"), - Self::Ppc64le => Some("pseries"), - _ => None, - } - } - - /// `-cpu` model to emulate when KVM isn't usable. - pub fn tcg_cpu_model(&self) -> &'static str { - match self { - Self::Amd64 => "qemu64", - Self::Arm64 => "cortex-a53", - Self::Loong64 => "la464", - Self::Ppc64le => "power9", - Self::Riscv64 => "rv64", - Self::S390x => "max", - } - } -} - -pub enum Accel { - Tcg, - Kvm, -} - -pub enum NetBackend { - Nic { model: String }, - User { hostfwd: Vec<(u16, u16)> }, -} - -impl NetBackend { - fn to_arg(&self) -> String { - match self { - Self::Nic { model } => format!("nic,model={model}"), - Self::User { hostfwd } => { - let mut s = String::from("user"); - for (host, guest) in hostfwd { - s.push_str(&format!(",hostfwd=tcp:127.0.0.1:{host}-:{guest}")); - } - s - } - } - } -} - -pub enum DriveInterface { - /// `if=virtio`: the disk is a bootable device in its own right. - Virtio, - /// `if=none,id=<id>`: unattached, paired with a `Device::VirtioBlkPci`. - None { id: String }, -} - -pub struct Drive { - pub file: PathBuf, - /// `snapshot=on`: writes go to a throwaway overlay, never to `file`. - pub snapshot: bool, - pub interface: DriveInterface, -} - -impl Drive { - fn to_arg(&self) -> String { - let mut s = format!("file={},media=disk", self.file.display()); - if self.snapshot { - s.push_str(",snapshot=on"); - } - match &self.interface { - DriveInterface::Virtio => s.push_str(",if=virtio"), - DriveInterface::None { id } => s.push_str(&format!(",id={id},if=none")), - } - s - } -} - -pub enum Device { - VirtioBlkPci { drive: String }, - VirtioRngPci, - VirtioBalloon, - VirtioSerialPci, - VirtSerialPort { chardev: String, name: String }, -} - -impl Device { - fn to_arg(&self) -> String { - match self { - Self::VirtioBlkPci { drive } => format!("virtio-blk-pci,drive={drive}"), - Self::VirtioRngPci => "virtio-rng-pci".into(), - Self::VirtioBalloon => "virtio-balloon".into(), - Self::VirtioSerialPci => "virtio-serial-pci".into(), - Self::VirtSerialPort { chardev, name } => { - format!("virtserialport,chardev={chardev},name={name}") - } - } - } -} - -/// One `qemu-system-*` invocation. `to_argv()` is pure -- no process/IO -- -/// so it's testable without spawning anything. -#[derive(Default)] -pub struct Command { - pub binary: String, - /// `-machine`/`-M`; qemu treats them as synonyms, so only one field. - pub machine: Option<String>, - pub cpu: Option<String>, - pub accel: Option<Accel>, - pub memory_mib: u64, - pub smp: u32, - pub display_none: bool, - pub nets: Vec<NetBackend>, - pub drives: Vec<Drive>, - pub devices: Vec<Device>, - pub kernel: Option<PathBuf>, - pub initrd: Option<PathBuf>, - pub append: Option<String>, - /// `-pidfile`: qemu writes its own pid here. The only reliable way to - /// signal/check it later from a process that isn't its parent. - pub pidfile: Option<PathBuf>, - /// `-qmp tcp:127.0.0.1:<port>,server=on,wait=off`: the control channel. - /// TCP loopback, not a unix socket -- the latter doesn't exist on - /// Windows at all (`tokio::net::UnixStream` is unix-only), and this way - /// there's nothing to `#[cfg]` on the transport. - pub qmp_port: Option<u16>, - /// Host side of the qemu-guest-agent virtio-serial channel. - pub qga_port: Option<u16>, - /// Interactive guest serial console and its persistent output log. - pub console: Option<(u16, PathBuf)>, -} - -impl Command { - pub fn to_argv(&self) -> Vec<String> { - let mut argv = vec![self.binary.clone()]; - if let Some(machine) = &self.machine { - argv.extend(["-machine".into(), machine.clone()]); - } - if let Some(cpu) = &self.cpu { - argv.extend(["-cpu".into(), cpu.clone()]); - } - if matches!(self.accel, Some(Accel::Kvm)) { - argv.push("-enable-kvm".into()); - } - argv.extend(["-m".into(), self.memory_mib.to_string()]); - argv.extend(["-smp".into(), format!("cpus={}", self.smp)]); - for net in &self.nets { - argv.extend(["-net".into(), net.to_arg()]); - } - for drive in &self.drives { - argv.extend(["-drive".into(), drive.to_arg()]); - } - for device in &self.devices { - argv.extend(["-device".into(), device.to_arg()]); - } - if self.display_none { - argv.extend(["-display".into(), "none".into()]); - } - if let Some(kernel) = &self.kernel { - argv.extend(["-kernel".into(), kernel.display().to_string()]); - } - if let Some(initrd) = &self.initrd { - argv.extend(["-initrd".into(), initrd.display().to_string()]); - } - if let Some(append) = &self.append { - argv.extend(["-append".into(), append.clone()]); - } - if let Some(pidfile) = &self.pidfile { - argv.extend(["-pidfile".into(), pidfile.display().to_string()]); - } - if let Some(port) = self.qmp_port { - argv.extend([ - "-qmp".into(), - format!("tcp:127.0.0.1:{port},server=on,wait=off"), - ]); - } - if let Some(port) = self.qga_port { - argv.extend([ - "-chardev".into(), - format!("socket,id=qga0,host=127.0.0.1,port={port},server=on,wait=off"), - "-device".into(), - Device::VirtioSerialPci.to_arg(), - "-device".into(), - Device::VirtSerialPort { - chardev: "qga0".into(), - name: "org.qemu.guest_agent.0".into(), - } - .to_arg(), - ]); - } - if let Some((port, logfile)) = &self.console { - argv.extend([ - "-chardev".into(), - format!( - "socket,id=console0,host=127.0.0.1,port={port},server=on,wait=off,logfile={},logappend=off", - logfile.display() - ), - "-serial".into(), - "chardev:console0".into(), - ]); - } - argv - } -} - -/// Whether `/dev/kvm` is actually usable, not just present -- the node can -/// exist but be unopenable (e.g. group `kvm` without membership), which -/// qemu only reports once it's already mid-boot. -pub async fn kvm_available() -> bool { - tokio::fs::OpenOptions::new() - .read(true) - .write(true) - .open("/dev/kvm") - .await - .is_ok() -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn renders_flags_in_a_stable_order() { - let cmd = Command { - binary: "qemu-system-x86_64".into(), - cpu: Some("qemu64".into()), - memory_mib: 1024, - smp: 2, - display_none: true, - nets: vec![ - NetBackend::Nic { - model: "virtio".into(), - }, - NetBackend::User { - hostfwd: vec![(8022, 22)], - }, - ], - drives: vec![Drive { - file: "root.hmi".into(), - snapshot: true, - interface: DriveInterface::Virtio, - }], - devices: vec![Device::VirtioRngPci], - ..Default::default() - }; - assert_eq!( - cmd.to_argv(), - vec![ - "qemu-system-x86_64", - "-cpu", - "qemu64", - "-m", - "1024", - "-smp", - "cpus=2", - "-net", - "nic,model=virtio", - "-net", - "user,hostfwd=tcp:127.0.0.1:8022-:22", - "-drive", - "file=root.hmi,media=disk,snapshot=on,if=virtio", - "-device", - "virtio-rng-pci", - "-display", - "none", - ] - ); - } - - #[test] - fn kvm_accel_adds_enable_kvm_flag() { - let cmd = Command { - binary: "qemu-system-x86_64".into(), - cpu: Some("host".into()), - accel: Some(Accel::Kvm), - ..Default::default() - }; - assert!(cmd.to_argv().contains(&"-enable-kvm".to_string())); - } - - #[test] - fn detached_drive_pairs_with_a_virtio_blk_device() { - let cmd = Command { - binary: "qemu-system-x86_64".into(), - drives: vec![Drive { - file: "root.hmi".into(), - snapshot: true, - interface: DriveInterface::None { id: "root".into() }, - }], - devices: vec![Device::VirtioBlkPci { - drive: "root".into(), - }], - kernel: Some("vmlinuz".into()), - initrd: Some("initrd.img".into()), - append: Some("console=ttyS0".into()), - ..Default::default() - }; - let argv = cmd.to_argv(); - assert!(argv.windows(2).any(|w| w == ["-kernel", "vmlinuz"])); - assert!(argv.windows(2).any(|w| w == ["-initrd", "initrd.img"])); - assert!(argv.windows(2).any(|w| w == ["-append", "console=ttyS0"])); - assert!(argv.windows(2).any(|w| w - == [ - "-drive", - "file=root.hmi,media=disk,snapshot=on,id=root,if=none" - ])); - assert!( - argv.windows(2) - .any(|w| w == ["-device", "virtio-blk-pci,drive=root"]) - ); - } - - #[test] - fn qga_uses_a_dedicated_virtio_serial_channel() { - let argv = Command { - binary: "qemu-system-x86_64".into(), - qga_port: Some(1234), - ..Default::default() - } - .to_argv(); - assert!(argv.windows(2).any(|w| { - w == [ - "-chardev", - "socket,id=qga0,host=127.0.0.1,port=1234,server=on,wait=off", - ] - })); - assert!(argv.windows(2).any(|w| { - w == [ - "-device", - "virtserialport,chardev=qga0,name=org.qemu.guest_agent.0", - ] - })); - } - - #[test] - fn serial_console_has_an_attach_socket_and_log() { - let argv = Command { - binary: "qemu-system-x86_64".into(), - console: Some((4321, "console.log".into())), - ..Default::default() - } - .to_argv(); - assert!(argv.windows(2).any(|w| { - w == [ - "-chardev", - "socket,id=console0,host=127.0.0.1,port=4321,server=on,wait=off,logfile=console.log,logappend=off", - ] - })); - assert!( - argv.windows(2) - .any(|w| w == ["-serial", "chardev:console0"]) - ); - } -} diff --git a/crates/hule-vmm/src/backend/qemu/mod.rs b/crates/hule-vmm/src/backend/qemu/mod.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/qemu/mod.rs +++ /dev/null @@ -1,563 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! QMP is an unconditional implementation detail of this backend. Guest -//! access is independent: an image may be a black box, or may promise QGA; -//! a promised QGA channel must become ready for `start()` to succeed. -//! -//! `logs`/`attach` use a dedicated serial console; `exec` uses QGA. -//! Console resizing and `reattach` are not implemented yet. -//! -//! `cli` is the typed qemu CLI wrapper; `supervise` gets an exit code out of -//! a process even if we stop being its parent; this module only translates -//! Hule's image/machine types into both. - -mod cli; -mod qga; -mod qmp; -mod supervise; - -use std::path::{Path, PathBuf}; -use std::process::{ExitStatus, Output}; -use std::time::Duration; - -use async_trait::async_trait; -use hule_hmi::{Access, Architecture, Boot, BootLinux, Disk, MachineImage}; -use tokio::process::Child; -use tokio::sync::Mutex; - -use crate::{ - Console, Error, Hypervisor, HypervisorId, Machine, MachineId, R, Settings, State, Stats, -}; - -const QEMU_HYPERVISOR_ID: HypervisorId = HypervisorId(1); - -enum QemuBoot { - // No BootBios fields are needed here: `disk` is already resolved into - // `QemuMachine::disk`, and `protocol` isn't used past `supports()`. - Bios, - Linux(BootLinux), -} - -/// The wrapper (`sh`) process, not qemu itself -- once qemu has a pid on -/// disk (see `QemuMachine::pid_path`), that's the source of truth for -/// liveness/signaling, not this. -enum ChildState { - NotStarted, - Running(Child), - Exited(ExitStatus), -} - -pub struct QemuMachine { - id: MachineId, - name: Option<String>, - dir: PathBuf, - arch: Architecture, - settings: Settings, - disk: Disk, - boot: QemuBoot, - qga: bool, - child: Mutex<ChildState>, - qga_lock: Mutex<()>, - qmp_client: Mutex<Option<qmp::Qmp>>, -} - -impl QemuMachine { - /// Where qemu's own `-pidfile` lands. Provisional: once a persisted - /// `run/<id>/` directory exists (separate from `dir`, the materialized - /// image files), this moves there instead of living inside `dir`. - fn pid_path(&self) -> PathBuf { - self.dir.join("qemu.pid") - } - - fn exit_code_path(&self) -> PathBuf { - self.dir.join("qemu.exit-code") - } - - /// Where the port `start()` picked for `-qmp tcp:127.0.0.1:<port>` is - /// recorded -- chosen by us, not qemu, so (unlike `pid_path`) nothing - /// needs to wait for this file; it exists before qemu is spawned. - fn qmp_port_path(&self) -> PathBuf { - self.dir.join("qemu.qmp-port") - } - - fn qga_port_path(&self) -> PathBuf { - self.dir.join("qemu.qga-port") - } - - fn console_port_path(&self) -> PathBuf { - self.dir.join("qemu.console-port") - } - - fn console_log_path(&self) -> PathBuf { - self.dir.join("console.log") - } - - async fn read_port(&self, path: &Path, name: &str) -> R<u16> { - let data = tokio::fs::read_to_string(path).await?; - data.trim() - .parse() - .map_err(|_| Error::InvalidState(format!("invalid {name} port contents"))) - } - - async fn qmp_port(&self) -> R<u16> { - self.read_port(&self.qmp_port_path(), "qmp").await - } - - async fn qga_port(&self) -> R<u16> { - self.read_port(&self.qga_port_path(), "qga").await - } - - async fn console_port(&self) -> R<u16> { - self.read_port(&self.console_port_path(), "console").await - } - - /// Connects on first use (there's a short window after spawn before - /// qemu's TCP listener is actually up, so a couple of retries) and - /// reuses the connection after that. - async fn qmp_client(&self) -> R<tokio::sync::MutexGuard<'_, Option<qmp::Qmp>>> { - let mut client = self.qmp_client.lock().await; - if client.is_none() { - let port = self.qmp_port().await?; - let mut connected = None; - for _ in 0..50 { - match qmp::Qmp::connect(port).await { - Ok(qmp) => { - connected = Some(qmp); - break; - } - Err(_) => tokio::time::sleep(Duration::from_millis(20)).await, - } - } - *client = Some( - connected - .ok_or_else(|| Error::InvalidState("qemu's qmp port never came up".into()))?, - ); - } - Ok(client) - } - - /// Reads qemu's pid, waiting briefly for `-pidfile` to actually appear - /// (there's a short window between spawn and qemu writing it). - async fn qemu_pid(&self) -> R<supervise::Pid> { - for _ in 0..50 { - if let Ok(data) = tokio::fs::read_to_string(self.pid_path()).await - && let Ok(pid) = data.trim().parse() - { - return Ok(supervise::Pid(pid)); - } - tokio::time::sleep(Duration::from_millis(20)).await; - } - Err(Error::InvalidState( - "qemu did not write its pidfile in time".into(), - )) - } - - async fn read_exit_code(&self) -> Option<ExitStatus> { - let data = tokio::fs::read_to_string(self.exit_code_path()) - .await - .ok()?; - let code: i32 = data.trim().parse().ok()?; - #[cfg(unix)] - { - use std::os::unix::process::ExitStatusExt; - // `$?` is already qemu's plain exit code; shift it into the - // wait()-status shape ExitStatus expects (bits 8-15 == exit - // code, low byte 0 == not signaled). Loses signal detail, but - // `.code()` -- all we ever read -- comes back right. - Some(ExitStatus::from_raw(code << 8)) - } - #[cfg(not(unix))] - { - None - } - } -} - -#[async_trait] -impl Machine for QemuMachine { - fn id(&self) -> MachineId { - self.id - } - - fn hid(&self) -> HypervisorId { - QEMU_HYPERVISOR_ID - } - - fn name(&self) -> Option<&str> { - self.name.as_deref() - } - - fn settings(&self) -> Settings { - self.settings.clone() - } - - async fn state(&self) -> State { - if let Some(status) = self.read_exit_code().await { - return State::Exited(status.code().unwrap_or(-1)); - } - let pid = match self.qemu_pid().await { - Ok(pid) => pid, - Err(_) => { - return match &*self.child.lock().await { - ChildState::NotStarted => State::Created, - ChildState::Exited(status) => State::Exited(status.code().unwrap_or(-1)), - ChildState::Running(_) => State::Running, - }; - } - }; - if !supervise::pid_alive(pid).await { - return State::Dead; - } - // A live pid alone can't distinguish running from paused; ask QMP. - if let Ok(mut client) = self.qmp_client().await - && let Ok(qmp::Status::Paused) = client - .as_mut() - .expect("initialized by qmp_client") - .status() - .await - { - return State::Paused; - } - State::Running - } - - async fn stats(&self) -> R<Stats> { - let pid = self.qemu_pid().await?; - let (cpu_time_ns, memory_bytes) = supervise::process_stats(pid).await?; - Ok(Stats { - cpu_time_ns, - memory_bytes, - }) - } - - async fn logs(&self) -> R<Vec<u8>> { - match tokio::fs::read(self.console_log_path()).await { - Ok(logs) => Ok(logs), - Err(error) if error.kind() == std::io::ErrorKind::NotFound => Ok(Vec::new()), - Err(error) => Err(error.into()), - } - } - - async fn start(&mut self) -> R<()> { - let mut child = self.child.lock().await; - if matches!(*child, ChildState::Running(_)) { - return Err(Error::InvalidState("already started".into())); - } - let _ = tokio::fs::remove_file(self.pid_path()).await; - let _ = tokio::fs::remove_file(self.exit_code_path()).await; - let _ = tokio::fs::remove_file(self.qmp_port_path()).await; - let _ = tokio::fs::remove_file(self.qga_port_path()).await; - let _ = tokio::fs::remove_file(self.console_port_path()).await; - let _ = tokio::fs::remove_file(self.console_log_path()).await; - *self.qmp_client.lock().await = None; - - let qmp_port = qmp::free_port().await?; - tokio::fs::write(self.qmp_port_path(), qmp_port.to_string()).await?; - let qga_port = if self.qga { - let mut port = qmp::free_port().await?; - while port == qmp_port { - port = qmp::free_port().await?; - } - tokio::fs::write(self.qga_port_path(), port.to_string()).await?; - Some(port) - } else { - None - }; - let mut console_port = qmp::free_port().await?; - while console_port == qmp_port || Some(console_port) == qga_port { - console_port = qmp::free_port().await?; - } - tokio::fs::write(self.console_port_path(), console_port.to_string()).await?; - - let kvm = Architecture::host() == Some(self.arch) && cli::kvm_available().await; - let sys_arch = match self.arch { - Architecture::Amd64 => cli::Arch::Amd64, - Architecture::Arm64 => cli::Arch::Arm64, - Architecture::Loong64 => cli::Arch::Loong64, - Architecture::Ppc64le => cli::Arch::Ppc64le, - Architecture::Riscv64 => cli::Arch::Riscv64, - Architecture::S390x => cli::Arch::S390x, - }; - let mut cmd = cli::Command { - binary: sys_arch.binary(), - machine: sys_arch.machine_type().map(String::from), - memory_mib: self.settings.ram, - smp: self.settings.cpu, - display_none: true, - nets: vec![ - cli::NetBackend::Nic { - model: "virtio".into(), - }, - cli::NetBackend::User { - hostfwd: self.settings.port_forwards.clone(), - }, - ], - devices: vec![cli::Device::VirtioRngPci, cli::Device::VirtioBalloon], - ..Default::default() - }; - - if kvm { - cmd.cpu = Some("host".into()); - cmd.accel = Some(cli::Accel::Kvm); - } else { - cmd.cpu = Some(sys_arch.tcg_cpu_model().into()); - cmd.accel = Some(cli::Accel::Tcg); - } - - let disk_path = self.dir.join(&self.disk.path); - match &self.boot { - QemuBoot::Bios => { - cmd.drives.push(cli::Drive { - file: disk_path, - snapshot: true, - interface: cli::DriveInterface::Virtio, - }); - } - QemuBoot::Linux(linux) => { - cmd.drives.push(cli::Drive { - file: disk_path, - snapshot: true, - interface: cli::DriveInterface::None { id: "root".into() }, - }); - cmd.devices.push(cli::Device::VirtioBlkPci { - drive: "root".into(), - }); - cmd.kernel = Some(self.dir.join(&linux.kernel.path)); - cmd.initrd = Some(self.dir.join(&linux.initrd.path)); - cmd.append = Some(linux.cmdline.clone()); - } - } - cmd.pidfile = Some(self.pid_path()); - cmd.qmp_port = Some(qmp_port); - cmd.qga_port = qga_port; - cmd.console = Some((console_port, self.console_log_path())); - let argv = cmd.to_argv(); - - let wrapper = supervise::spawn(&argv, &self.exit_code_path())?; - *child = ChildState::Running(wrapper); - drop(child); - - if let Some(port) = qga_port - && let Err(error) = qga::wait_until_ready(port, Duration::from_secs(60)).await - { - let _ = self.kill().await; - return Err(error); - } - Ok(()) - } - - async fn stop(&mut self) -> R<()> { - self.qmp_client() - .await? - .as_mut() - .expect("initialized by qmp_client") - .power_down() - .await - } - - async fn kill(&mut self) -> R<()> { - let pid = self.qemu_pid().await?; - supervise::kill(pid).await?; - // Reap the wrapper so its resources are released; its own exit - // status is uninteresting, qemu's (now on disk) is what matters. - let mut child = self.child.lock().await; - if let ChildState::Running(c) = &mut *child { - let _ = c.wait().await; - } - if let Some(status) = self.read_exit_code().await { - *child = ChildState::Exited(status); - } - Ok(()) - } - - async fn restart(&mut self) -> R<()> { - self.qmp_client() - .await? - .as_mut() - .expect("initialized by qmp_client") - .reset() - .await - } - - async fn delete(&mut self) -> R<()> { - if self.state().await == State::Running { - self.kill().await?; - } - let _ = tokio::fs::remove_file(self.pid_path()).await; - let _ = tokio::fs::remove_file(self.exit_code_path()).await; - let _ = tokio::fs::remove_file(self.qmp_port_path()).await; - let _ = tokio::fs::remove_file(self.qga_port_path()).await; - let _ = tokio::fs::remove_file(self.console_port_path()).await; - let _ = tokio::fs::remove_file(self.console_log_path()).await; - Ok(()) - } - - async fn pause(&mut self) -> R<()> { - self.qmp_client() - .await? - .as_mut() - .expect("initialized by qmp_client") - .pause() - .await - } - - async fn unpause(&mut self) -> R<()> { - self.qmp_client() - .await? - .as_mut() - .expect("initialized by qmp_client") - .resume() - .await - } - - async fn update(&mut self, settings: Settings) -> R<()> { - if settings.cpu != self.settings.cpu { - return Err(Error::Unsupported( - "qemu backend can't hot-change cpu count (needs maxcpus reserved at boot)".into(), - )); - } - if settings.port_forwards != self.settings.port_forwards { - return Err(Error::Unsupported( - "qemu backend can't hot-change port forwards (fixed at boot via -net user)".into(), - )); - } - if settings.ram != self.settings.ram { - self.qmp_client() - .await? - .as_mut() - .expect("initialized by qmp_client") - .set_balloon_size(settings.ram * 1024 * 1024) - .await?; - } - self.settings = settings; - Ok(()) - } - - async fn rename(&mut self, name: Option<&str>) -> R<()> { - self.name = name.map(String::from); - Ok(()) - } - - async fn wait(&mut self) -> R<ExitStatus> { - loop { - if let Some(status) = self.read_exit_code().await { - *self.child.lock().await = ChildState::Exited(status); - return Ok(status); - } - let mut child = self.child.lock().await; - match &mut *child { - ChildState::Running(c) => { - // The wrapper only exits after qemu does and the exit - // code is flushed to disk, so looping back re-reads it. - c.wait().await?; - } - ChildState::Exited(status) => return Ok(*status), - ChildState::NotStarted => { - return Err(Error::InvalidState("not started".into())); - } - } - } - } - - async fn exec(&self, cmd: &[String]) -> R<Output> { - if !self.qga { - return Err(Error::Unsupported( - "this image does not declare qga access".into(), - )); - } - let _guard = self.qga_lock.lock().await; - qga::exec(self.qga_port().await?, cmd).await - } - - async fn attach(&self) -> R<Box<dyn Console>> { - let port = self.console_port().await?; - for _ in 0..50 { - match tokio::net::TcpStream::connect(("127.0.0.1", port)).await { - Ok(stream) => return Ok(Box::new(stream)), - Err(_) => tokio::time::sleep(Duration::from_millis(20)).await, - } - } - Err(Error::InvalidState( - "qemu serial console did not become available".into(), - )) - } -} - -pub struct QemuHypervisor; - -#[async_trait] -impl Hypervisor for QemuHypervisor { - fn id(&self) -> HypervisorId { - QEMU_HYPERVISOR_ID - } - - fn name(&self) -> &'static str { - "qemu" - } - - fn supports(&self, boot: &Boot) -> bool { - matches!(boot, Boot::Bios(_) | Boot::Linux(_)) - } - - async fn create( - &self, - id: MachineId, - name: Option<&str>, - image: &MachineImage, - dir: &Path, - boot: &Boot, - settings: &Settings, - ) -> R<Box<dyn Machine>> { - let disk = image - .disks - .iter() - .find(|d| d.id == boot.disk()) - .cloned() - .ok_or_else(|| { - Error::InvalidImage(format!( - "boot entry references unknown disk '{}'", - boot.disk() - )) - })?; - - let qemu_boot = match boot { - Boot::Bios(_) => QemuBoot::Bios, - Boot::Linux(b) => QemuBoot::Linux(b.clone()), - Boot::Uefi(_) | Boot::Unknown(_) => { - return Err(Error::Unsupported(format!( - "qemu backend cannot boot protocol '{}'", - boot.protocol() - ))); - } - }; - - Ok(Box::new(QemuMachine { - id, - name: name.map(String::from), - dir: dir.to_path_buf(), - arch: image.system.architecture, - settings: settings.clone(), - disk, - boot: qemu_boot, - qga: image - .machine - .access - .iter() - .any(|access| matches!(access, Access::Qga { .. })), - child: Mutex::new(ChildState::NotStarted), - qga_lock: Mutex::new(()), - qmp_client: Mutex::new(None), - })) - } - - async fn reattach( - &self, - _id: MachineId, - _name: Option<&str>, - _dir: &Path, - _settings: &Settings, - ) -> R<Box<dyn Machine>> { - todo!("no persisted qemu run-state to reattach to yet") - } -} diff --git a/crates/hule-vmm/src/backend/qemu/qga.rs b/crates/hule-vmm/src/backend/qemu/qga.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/qemu/qga.rs +++ /dev/null @@ -1,233 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! Minimal qemu-guest-agent client over qemu's host-side chardev socket. - -use std::time::{Duration, Instant}; - -use base64::Engine; -use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader}; -use tokio::net::TcpStream; - -use crate::{Error, R}; - -async fn execute( - port: u16, - command: &str, - arguments: Option<serde_json::Value>, -) -> R<serde_json::Value> { - tokio::time::timeout( - Duration::from_secs(5), - execute_without_timeout(port, command, arguments), - ) - .await - .map_err(|_| Error::InvalidState(format!("qga {command} timed out")))? -} - -async fn execute_without_timeout( - port: u16, - command: &str, - arguments: Option<serde_json::Value>, -) -> R<serde_json::Value> { - let stream = TcpStream::connect(("127.0.0.1", port)).await?; - let mut stream = BufReader::new(stream); - let mut request = serde_json::json!({ "execute": command }); - if let Some(arguments) = arguments { - request["arguments"] = arguments; - } - stream - .get_mut() - .write_all( - format!( - "{}\n", - serde_json::to_string(&request) - .map_err(|error| Error::InvalidState(error.to_string()))? - ) - .as_bytes(), - ) - .await?; - - let mut response = String::new(); - stream.read_line(&mut response).await?; - if response.is_empty() { - return Err(Error::InvalidState( - "qemu-guest-agent closed its channel without replying".into(), - )); - } - validate_response(command, &response) -} - -fn validate_response(command: &str, response: &str) -> R<serde_json::Value> { - let response: serde_json::Value = serde_json::from_str(response) - .map_err(|error| Error::InvalidState(format!("invalid qga response: {error}")))?; - if let Some(error) = response.get("error") { - return Err(Error::InvalidState(format!( - "qga {command} failed: {error}" - ))); - } - response - .get("return") - .cloned() - .ok_or_else(|| Error::InvalidState(format!("qga {command} response has no return value"))) -} - -async fn ping(port: u16) -> R<()> { - execute(port, "guest-ping", None).await.map(|_| ()) -} - -pub async fn wait_until_ready(port: u16, timeout: Duration) -> R<()> { - let deadline = Instant::now() + timeout; - loop { - let attempt = tokio::time::timeout(Duration::from_secs(1), ping(port)).await; - if matches!(attempt, Ok(Ok(()))) { - return Ok(()); - } - if Instant::now() >= deadline { - return Err(Error::InvalidState(format!( - "declared qga access did not become ready within {} seconds", - timeout.as_secs() - ))); - } - tokio::time::sleep(Duration::from_millis(100)).await; - } -} - -pub async fn exec(port: u16, command: &[String]) -> R<std::process::Output> { - let (path, args) = command - .split_first() - .ok_or_else(|| Error::InvalidState("exec command must not be empty".into()))?; - let started = execute( - port, - "guest-exec", - Some(serde_json::json!({ - "path": path, - "arg": args, - "capture-output": true - })), - ) - .await?; - let pid = started - .get("pid") - .and_then(serde_json::Value::as_u64) - .ok_or_else(|| Error::InvalidState("qga guest-exec returned no pid".into()))?; - - loop { - let status = execute( - port, - "guest-exec-status", - Some(serde_json::json!({ "pid": pid })), - ) - .await?; - if !status - .get("exited") - .and_then(serde_json::Value::as_bool) - .unwrap_or(false) - { - tokio::time::sleep(Duration::from_millis(20)).await; - continue; - } - - return output(&status); - } -} - -fn output(status: &serde_json::Value) -> R<std::process::Output> { - for field in ["out-truncated", "err-truncated"] { - if status - .get(field) - .and_then(serde_json::Value::as_bool) - .unwrap_or(false) - { - return Err(Error::InvalidState(format!( - "qga exec output was truncated ({field})" - ))); - } - } - let decode = |field: &str| -> R<Vec<u8>> { - let Some(encoded) = status.get(field).and_then(serde_json::Value::as_str) else { - return Ok(Vec::new()); - }; - base64::engine::general_purpose::STANDARD - .decode(encoded) - .map_err(|error| Error::InvalidState(format!("invalid qga {field}: {error}"))) - }; - Ok(std::process::Output { - status: exit_status(status)?, - stdout: decode("out-data")?, - stderr: decode("err-data")?, - }) -} - -fn exit_status(status: &serde_json::Value) -> R<std::process::ExitStatus> { - #[cfg(unix)] - { - use std::os::unix::process::ExitStatusExt; - if let Some(code) = status.get("exitcode").and_then(serde_json::Value::as_i64) { - let code: i32 = code - .try_into() - .map_err(|_| Error::InvalidState("qga returned an invalid exit code".into()))?; - return Ok(std::process::ExitStatus::from_raw(code << 8)); - } - if let Some(signal) = status.get("signal").and_then(serde_json::Value::as_i64) { - let signal: i32 = signal - .try_into() - .map_err(|_| Error::InvalidState("qga returned an invalid signal".into()))?; - return Ok(std::process::ExitStatus::from_raw(signal & 0x7f)); - } - Err(Error::InvalidState( - "qga exec status has neither exitcode nor signal".into(), - )) - } - #[cfg(windows)] - { - use std::os::windows::process::ExitStatusExt; - let code = status - .get("exitcode") - .and_then(serde_json::Value::as_i64) - .ok_or_else(|| Error::InvalidState("qga exec status has no exitcode".into()))?; - let code: u32 = code - .try_into() - .map_err(|_| Error::InvalidState("qga returned an invalid exit code".into()))?; - Ok(std::process::ExitStatus::from_raw(code)) - } -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn readiness_requires_a_successful_guest_ping_response() { - validate_response("guest-ping", r#"{"return":{}}"#).unwrap(); - assert!( - validate_response("guest-ping", r#"{"error":{"class":"CommandNotFound"}}"#).is_err() - ); - assert!(validate_response("guest-ping", r#"{"event":"something"}"#).is_err()); - } - - #[test] - fn exec_output_is_decoded_without_losing_exit_status() { - let output = output(&serde_json::json!({ - "exited": true, - "exitcode": 7, - "out-data": "aGVsbG8K", - "err-data": "b29wcwo=" - })) - .unwrap(); - assert_eq!(output.status.code(), Some(7)); - assert_eq!(output.stdout, b"hello\n"); - assert_eq!(output.stderr, b"oops\n"); - } - - #[test] - fn truncated_exec_output_is_an_error() { - assert!( - output(&serde_json::json!({ - "exited": true, - "exitcode": 0, - "out-truncated": true - })) - .is_err() - ); - } -} diff --git a/crates/hule-vmm/src/backend/qemu/qmp.rs b/crates/hule-vmm/src/backend/qemu/qmp.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/qemu/qmp.rs +++ /dev/null @@ -1,165 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! Minimal QMP client: line-delimited JSON commands/responses over the TCP -//! loopback channel qemu exposes via -//! `-qmp tcp:127.0.0.1:<port>,server=on,wait=off`. Events are read and -//! discarded, not surfaced. - -use serde::Deserialize; -use serde_json::{Value, json}; -use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader}; -use tokio::net::TcpStream; -use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf}; - -use crate::{Error, R}; - -pub struct Qmp { - reader: BufReader<OwnedReadHalf>, - writer: OwnedWriteHalf, -} - -#[derive(Debug, Clone, PartialEq, Eq)] -pub enum Status { - Running, - Paused, - Transitional, -} - -impl Status { - fn from_wire(status: &str) -> Self { - match status { - "running" => Self::Running, - "paused" => Self::Paused, - _ => Self::Transitional, - } - } -} - -impl Qmp { - /// Connects and completes the capabilities handshake (greeting -> - /// `qmp_capabilities`), after which arbitrary commands are allowed. - pub async fn connect(port: u16) -> R<Self> { - let (read_half, write_half) = TcpStream::connect(("127.0.0.1", port)).await?.into_split(); - let mut qmp = Self { - reader: BufReader::new(read_half), - writer: write_half, - }; - qmp.read_message().await?; // greeting - qmp.execute("qmp_capabilities", None).await?; - Ok(qmp) - } - - pub async fn status(&mut self) -> R<Status> { - #[derive(Deserialize)] - struct Response { - status: String, - } - - let response: Response = self.execute_typed("query-status", None).await?; - Ok(Status::from_wire(&response.status)) - } - - pub async fn power_down(&mut self) -> R<()> { - self.execute_empty("system_powerdown", None).await - } - - pub async fn reset(&mut self) -> R<()> { - self.execute_empty("system_reset", None).await - } - - pub async fn pause(&mut self) -> R<()> { - self.execute_empty("stop", None).await - } - - pub async fn resume(&mut self) -> R<()> { - self.execute_empty("cont", None).await - } - - pub async fn set_balloon_size(&mut self, bytes: u64) -> R<()> { - self.execute_empty("balloon", Some(json!({ "value": bytes }))) - .await - } - - async fn read_message(&mut self) -> R<Value> { - loop { - let mut line = String::new(); - if self.reader.read_line(&mut line).await? == 0 { - return Err(Error::InvalidState("qmp connection closed".into())); - } - - let line = line.trim(); - if line.is_empty() { - continue; - } - - let value: Value = serde_json::from_str(line) - .map_err(|e| Error::InvalidState(format!("invalid qmp message: {e}")))?; - - // Events arrive unprompted between a command and its response; - // we don't surface them (yet), so skip past them here. - if value.get("event").is_some() { - continue; - } - - return Ok(value); - } - } - - async fn execute(&mut self, command: &str, arguments: Option<Value>) -> R<Value> { - let mut request = json!({ "execute": command }); - if let Some(arguments) = arguments { - request["arguments"] = arguments; - } - let mut bytes = serde_json::to_vec(&request).expect("serializable request"); - bytes.push(b'\n'); - self.writer.write_all(&bytes).await?; - let response = self.read_message().await?; - if let Some(error) = response.get("error") { - return Err(Error::InvalidState(format!( - "qmp '{command}' failed: {error}" - ))); - } - response.get("return").cloned().ok_or_else(|| { - Error::InvalidState(format!("qmp '{command}' response has no return value")) - }) - } - - async fn execute_empty(&mut self, command: &str, arguments: Option<Value>) -> R<()> { - self.execute(command, arguments).await.map(|_| ()) - } - - async fn execute_typed<T: for<'de> Deserialize<'de>>( - &mut self, - command: &str, - arguments: Option<Value>, - ) -> R<T> { - let value = self.execute(command, arguments).await?; - serde_json::from_value(value).map_err(|error| { - Error::InvalidState(format!("invalid qmp '{command}' result: {error}")) - }) - } -} - -/// Picks a free TCP port on 127.0.0.1: binds to port 0 (OS assigns one), -/// reads it back, then drops the listener before qemu binds it for real. -/// Small TOCTOU race in principle; standard practice in the absence of a -/// way to ask qemu what port it actually bound. -pub async fn free_port() -> std::io::Result<u16> { - Ok(tokio::net::TcpListener::bind(("127.0.0.1", 0)) - .await? - .local_addr()? - .port()) -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn wire_status_does_not_escape_the_qmp_boundary() { - assert_eq!(Status::from_wire("running"), Status::Running); - assert_eq!(Status::from_wire("paused"), Status::Paused); - assert_eq!(Status::from_wire("inmigrate"), Status::Transitional); - } -} diff --git a/crates/hule-vmm/src/backend/qemu/supervise.rs b/crates/hule-vmm/src/backend/qemu/supervise.rs deleted file mode 100644 --- a/crates/hule-vmm/src/backend/qemu/supervise.rs +++ /dev/null @@ -1,190 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -//! Runs a command so its exit code survives even once nobody is left to -//! `wait()` on it as its real OS parent -- podman does this with `conmon`; -//! here the host's own shell does the same job. Host-specific by nature -//! (`sh` on POSIX, PowerShell on Windows), which is fine: unlike guests, -//! the set of hosts we run on is small and known, so a wrapper per host is -//! not a burden. Each function has one signature; the OS split lives inside -//! as `#[cfg]`-gated blocks. - -use std::fmt; -use std::io; -use std::path::Path; - -use tokio::process::{Child, Command}; - -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub struct Pid(pub u32); - -impl fmt::Display for Pid { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "{}", self.0) - } -} - -/// Fixed PowerShell wrapper: `$Bin`/`$ExitFile`/`$Rest` all arrive as real -/// process arguments (via `-File`, which binds them like any `param()` -/// block), never spliced into script text. -#[cfg(windows)] -const SUPERVISE_PS1: &str = r#" -param( - [Parameter(Mandatory=$true, Position=0)] [string]$Bin, - [Parameter(Mandatory=$true, Position=1)] [string]$ExitFile, - [Parameter(ValueFromRemainingArguments=$true)] [string[]]$Rest -) -& $Bin @Rest -Set-Content -Path $ExitFile -Value $LASTEXITCODE -NoNewline -"#; - -/// Spawns `argv` (`argv[0]` is the binary) wrapped so that once it exits, -/// its exit code is written to `exit_code_file` -- readable later even by a -/// process that isn't its parent and so can't `wait()` on it directly. -/// -/// All dynamic values travel as separate argv entries to the wrapper, never -/// interpolated into script text, so nothing needs escaping. -pub fn spawn(argv: &[String], exit_code_file: &Path) -> io::Result<Child> { - #[cfg(unix)] - { - Command::new("sh") - .arg("-c") - .arg(r#"bin="$1"; shift; exitfile="$1"; shift; "$bin" "$@"; echo $? > "$exitfile""#) - .arg("sh") // conventional $0 filler, unused - .arg(&argv[0]) - .arg(exit_code_file) - .args(&argv[1..]) - .stdin(std::process::Stdio::null()) - .stdout(std::process::Stdio::null()) - .stderr(std::process::Stdio::null()) - .spawn() - } - #[cfg(windows)] - { - // Content is constant, only the path is dynamic -- written next to - // the machine's own files, same lifetime as the pidfile/exit-code - // file. - let script = exit_code_file - .parent() - .unwrap_or_else(|| Path::new(".")) - .join("supervise.ps1"); - std::fs::write(&script, SUPERVISE_PS1)?; - - Command::new("powershell") - .args(["-NoProfile", "-ExecutionPolicy", "Bypass", "-File"]) - .arg(&script) - .arg(&argv[0]) - .arg(exit_code_file) - .args(&argv[1..]) - .stdin(std::process::Stdio::null()) - .stdout(std::process::Stdio::null()) - .stderr(std::process::Stdio::null()) - .spawn() - } -} - -/// Whether `pid` is still alive. Works for any pid, not just our own -/// children -- `Child::try_wait` only works on the latter. -pub async fn pid_alive(pid: Pid) -> bool { - #[cfg(target_os = "linux")] - { - tokio::fs::try_exists(format!("/proc/{pid}")) - .await - .unwrap_or(false) - } - #[cfg(all(unix, not(target_os = "linux")))] - { - Command::new("kill") - .arg("-0") - .arg(pid.to_string()) - .status() - .await - .map(|s| s.success()) - .unwrap_or(false) - } - #[cfg(windows)] - { - let Ok(out) = Command::new("tasklist") - .args(["/FI", &format!("PID eq {pid}"), "/NH"]) - .output() - .await - else { - return false; - }; - String::from_utf8_lossy(&out.stdout).contains(&pid.to_string()) - } -} - -/// Force-terminates `pid`. No parent relationship required, unlike -/// `Child::kill()`, which is exactly the point. -pub async fn kill(pid: Pid) -> io::Result<()> { - #[cfg(unix)] - { - let status = Command::new("kill") - .arg("-KILL") - .arg(pid.to_string()) - .status() - .await?; - if status.success() { - Ok(()) - } else { - Err(io::Error::other(format!("kill -KILL {pid} failed"))) - } - } - #[cfg(windows)] - { - let status = Command::new("taskkill") - .args(["/PID", &pid.to_string(), "/F"]) - .status() - .await?; - if status.success() { - Ok(()) - } else { - Err(io::Error::other(format!("taskkill /PID {pid} /F failed"))) - } - } -} - -/// (cpu_time_ns, memory_bytes) for `pid`, read straight from the host -/// process -- no QMP/guest cooperation needed. -pub async fn process_stats(pid: Pid) -> io::Result<(u64, u64)> { - #[cfg(target_os = "linux")] - { - let stat = tokio::fs::read_to_string(format!("/proc/{pid}/stat")).await?; - // `comm` (field 2) can itself contain spaces/parens; splitting after - // the last ')' reliably skips past it regardless. - let after_comm = stat - .rsplit_once(')') - .map(|(_, rest)| rest) - .ok_or_else(|| io::Error::other("unexpected /proc/pid/stat format"))?; - let fields: Vec<&str> = after_comm.split_whitespace().collect(); - let field = |i: usize| -> io::Result<u64> { - fields - .get(i) - .and_then(|s| s.parse().ok()) - .ok_or_else(|| io::Error::other("unexpected /proc/pid/stat format")) - }; - // Fields are 0-indexed from `state` (original field 3); utime/stime - // are original fields 14/15. 100 (USER_HZ) is the practically - // universal Linux clock tick rate. - let cpu_time_ns = (field(11)? + field(12)?) * 10_000_000; - - let status = tokio::fs::read_to_string(format!("/proc/{pid}/status")).await?; - let memory_bytes = status - .lines() - .find_map(|line| line.strip_prefix("VmRSS:")) - .and_then(|rest| rest.split_whitespace().next()) - .and_then(|kb| kb.parse::<u64>().ok()) - .map(|kb| kb * 1024) - .ok_or_else(|| io::Error::other("VmRSS not found in /proc/pid/status"))?; - - Ok((cpu_time_ns, memory_bytes)) - } - #[cfg(not(target_os = "linux"))] - { - let _ = pid; - Err(io::Error::other( - "process stats aren't implemented for this host yet", - )) - } -} diff --git a/crates/hule-vmm/src/hypervisor.rs b/crates/hule-vmm/src/hypervisor.rs deleted file mode 100644 --- a/crates/hule-vmm/src/hypervisor.rs +++ /dev/null @@ -1,52 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -use std::fmt; -use std::path::Path; - -use async_trait::async_trait; -use hule_hmi::{Boot, MachineImage}; - -use crate::{Machine, MachineId, R, Settings}; - -/// Self-assigned backend identity, unique only within one `Monitor` -/// (checked in [`crate::Monitor::new`]) -- plugins can't coordinate globally. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct HypervisorId(pub u128); - -impl fmt::Display for HypervisorId { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "{}", self.0) - } -} - -/// A single hypervisor backend (qemu, firecracker, ...). -#[async_trait] -pub trait Hypervisor: Send + Sync { - fn id(&self) -> HypervisorId; - fn name(&self) -> &'static str; - - /// Whether this backend can boot the given protocol. - fn supports(&self, boot: &Boot) -> bool; - - /// Create a machine bound to `dir`. Does not start it. - async fn create( - &self, - id: MachineId, - name: Option<&str>, - image: &MachineImage, - dir: &Path, - boot: &Boot, - settings: &Settings, - ) -> R<Box<dyn Machine>>; - - /// Reconnect to a machine this backend previously created, e.g. after a - /// restart. `id`/`name`/`settings` come from the monitor's own record. - async fn reattach( - &self, - id: MachineId, - name: Option<&str>, - dir: &Path, - settings: &Settings, - ) -> R<Box<dyn Machine>>; -} diff --git a/crates/hule-vmm/src/lib.rs b/crates/hule-vmm/src/lib.rs index 681faa1..d508953 100644 --- a/crates/hule-vmm/src/lib.rs +++ b/crates/hule-vmm/src/lib.rs @@ -1,81 +1,4 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov +// SPDX-FileCopyrightText: 2026 Nikolay Govorov // SPDX-License-Identifier: Apache-2.0 -//! Machine lifecycle: hypervisor plugins, machine handles, and the monitor -//! that tracks a fleet of them. -//! -//! No OCI, registry, or storage concerns -- callers hand in an -//! already-resolved [`hule_hmi::MachineImage`] plus a directory of its -//! files. -//! -//! `Machine`/`Monitor` mirror Docker's container API term-for-term. -//! Excluded: `changes`/`export`/`archive` (no host-visible VM filesystem -//! without guest cooperation), `top` (guest internals are opaque to the -//! host by construction -- use `exec`). - -pub mod backend; -mod hypervisor; -mod machine; -mod monitor; - -use std::fmt; - -pub use hypervisor::{Hypervisor, HypervisorId}; -pub use machine::{Console, Machine, MachineId, Settings, State, Stats}; -pub use monitor::Monitor; - -#[derive(Debug)] -pub enum Error { - /// No registered hypervisor supports any boot protocol the image declares. - Unsupported(String), - - /// The image is not resolvable in this context (e.g. `boot` references an unknown disk id). - InvalidImage(String), - - /// The machine isn't in the state the operation requires. - InvalidState(String), - - /// No machine matches the given id. - NotFound(MachineId), - - /// Two registered hypervisors share a `HypervisorId`. - DuplicateHypervisor(HypervisorId), - - /// Underlying OS/process failure. - Io(std::io::Error), -} - -impl fmt::Display for Error { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - Self::Unsupported(msg) => write!(f, "unsupported: {msg}"), - Self::InvalidImage(msg) => write!(f, "invalid image: {msg}"), - Self::InvalidState(msg) => write!(f, "invalid state: {msg}"), - Self::NotFound(id) => write!(f, "no machine '{id}'"), - Self::DuplicateHypervisor(id) => { - write!( - f, - "duplicate hypervisor id {id} registered with this monitor" - ) - } - Self::Io(err) => write!(f, "{err}"), - } - } -} - -impl std::error::Error for Error { - fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { - match self { - Self::Io(err) => Some(err), - _ => None, - } - } -} - -impl From<std::io::Error> for Error { - fn from(err: std::io::Error) -> Self { - Self::Io(err) - } -} - -pub type R<T> = std::result::Result<T, Error>; +pub const NAME: &str = "I'm a vmm library"; diff --git a/crates/hule-vmm/src/machine.rs b/crates/hule-vmm/src/machine.rs deleted file mode 100644 --- a/crates/hule-vmm/src/machine.rs +++ /dev/null @@ -1,96 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -use std::fmt; -use std::process::{ExitStatus, Output}; - -use async_trait::async_trait; -use tokio::io::{AsyncRead, AsyncWrite}; -use uuid::Uuid; - -use crate::{HypervisorId, R}; - -/// Always a UUIDv7 from [`crate::Monitor::create`], so ids sort by creation -/// time. An optional, non-unique name can ride alongside -- see -/// [`Machine::name`]. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct MachineId(pub Uuid); - -impl fmt::Display for MachineId { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - write!(f, "{}", self.0) - } -} - -/// Coarse machine state, mirroring Docker's container states. -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub enum State { - Created, - Running, - Paused, - Restarting, - Exited(i32), - Dead, -} - -/// A live duplex connection to a machine's interactive console. -pub trait Console: AsyncRead + AsyncWrite + Send + Unpin {} -impl<T: AsyncRead + AsyncWrite + Send + Unpin> Console for T {} - -/// Deployment-time config of one instance -- distinct from -/// [`hule_hmi::MachineImage`], which only declares a cpu/ram *range* and -/// knows nothing about e.g. host ports. Always concrete: callers resolve -/// image defaults before constructing this. -#[derive(Debug, Clone, PartialEq)] -pub struct Settings { - pub cpu: u32, - pub ram: u64, // megabytes - - /// (host, guest) TCP port pairs forwarded to the guest's access channel. - pub port_forwards: Vec<(u16, u16)>, -} - -/// A snapshot of resource usage, as of the call to `Machine::stats`. -#[derive(Debug, Clone, Copy)] -pub struct Stats { - pub cpu_time_ns: u64, - pub memory_bytes: u64, -} - -/// A handle to one virtual machine. Method names follow the Docker Engine -/// API's container operations (see the crate docs for the two exclusions). -/// -/// Everything that can touch disk or a socket is `async` -- this crate runs -/// on tokio throughout, no blocking calls. -#[async_trait] -pub trait Machine: Send + Sync { - fn id(&self) -> MachineId; - fn hid(&self) -> HypervisorId; - - /// Optional, caller-chosen, not required to be unique. - fn name(&self) -> Option<&str>; - - /// In-memory, not the persisted record -- see `update`/`rename` for why - /// those are `async` while this isn't. - fn settings(&self) -> Settings; - - async fn state(&self) -> State; - async fn stats(&self) -> R<Stats>; - async fn logs(&self) -> R<Vec<u8>>; - - async fn start(&mut self) -> R<()>; - async fn stop(&mut self) -> R<()>; - async fn kill(&mut self) -> R<()>; - async fn restart(&mut self) -> R<()>; - async fn delete(&mut self) -> R<()>; - - async fn pause(&mut self) -> R<()>; - async fn unpause(&mut self) -> R<()>; - - async fn update(&mut self, settings: Settings) -> R<()>; - async fn rename(&mut self, name: Option<&str>) -> R<()>; - - async fn exec(&self, cmd: &[String]) -> R<Output>; - async fn wait(&mut self) -> R<ExitStatus>; - async fn attach(&self) -> R<Box<dyn Console>>; -} diff --git a/crates/hule-vmm/src/monitor.rs b/crates/hule-vmm/src/monitor.rs deleted file mode 100644 --- a/crates/hule-vmm/src/monitor.rs +++ /dev/null @@ -1,109 +0,0 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov -// SPDX-License-Identifier: Apache-2.0 - -use std::path::{Path, PathBuf}; - -use hule_hmi::MachineImage; -use tokio::sync::mpsc::Receiver; -use uuid::Uuid; - -use crate::{Error, Hypervisor, Machine, MachineId, R, Settings, State}; - -/// A fleet-wide state change, as delivered by [`Monitor::events`]. -#[derive(Debug, Clone)] -pub struct Event { - pub machine: MachineId, - pub kind: EventKind, -} - -#[derive(Debug, Clone, Copy, PartialEq, Eq)] -pub enum EventKind { - Created, - Started, - Stopped, - Killed, - Restarted, - Paused, - Unpaused, - Removed, -} - -/// Tracks a fleet of machines, possibly across different hypervisors. -pub struct Monitor { - #[allow(dead_code)] // read by list()/get() once persisted state lands - run_dir: PathBuf, - - hypervisors: Vec<Box<dyn Hypervisor>>, -} - -impl Monitor { - pub fn new(run_dir: PathBuf, hypervisors: Vec<Box<dyn Hypervisor>>) -> R<Self> { - let mut seen = std::collections::HashSet::new(); - for hv in &hypervisors { - if !seen.insert(hv.id()) { - return Err(Error::DuplicateHypervisor(hv.id())); - } - } - Ok(Self { - run_dir, - hypervisors, - }) - } - - /// Picks the first (hypervisor, boot protocol) pair the hypervisor - /// supports and creates through it. Manifest boot order isn't significant. - pub async fn create( - &self, - image: &MachineImage, - dir: &Path, - name: Option<&str>, - settings: &Settings, - ) -> R<Box<dyn Machine>> { - let id = MachineId(Uuid::now_v7()); - let (hv, boot) = image - .machine - .boot - .iter() - .filter(|b| b.is_recognized()) - .find_map(|b| { - self.hypervisors - .iter() - .find(|hv| hv.supports(b)) - .map(|hv| (hv, b)) - }) - .ok_or_else(|| { - Error::Unsupported( - "no registered hypervisor supports any declared boot protocol".into(), - ) - })?; - hv.create(id, name, image, dir, boot, settings).await - } - - /// All machines known to this monitor, running or not. - pub async fn list(&self) -> R<Vec<Box<dyn Machine>>> { - todo!("needs a persisted run-state format -- see open design question") - } - - pub async fn get(&self, _id: MachineId) -> R<Box<dyn Machine>> { - todo!("needs a persisted run-state format -- see open design question") - } - - /// Live stream of fleet-wide state changes. Needs a publish path from - /// `Machine` impls -- same open question as `list`/`get`. - pub async fn events(&self) -> R<Receiver<Event>> { - todo!("needs a publish path from Machine implementations") - } - - /// Deletes every non-running machine (`list` + `delete`; no hypervisor - /// has a native bulk op). Returns the count deleted. - pub async fn prune(&self) -> R<usize> { - let mut deleted = 0; - for mut machine in self.list().await? { - if machine.state().await != State::Running { - machine.delete().await?; - deleted += 1; - } - } - Ok(deleted) - } -} diff --git a/crates/hule/Cargo.toml b/crates/hule/Cargo.toml index 728df1e..e5bf51f 100644 --- a/crates/hule/Cargo.toml +++ b/crates/hule/Cargo.toml @@ -1,4 +1,4 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov +# SPDX-FileCopyrightText: 2026 Nikolay Govorov # SPDX-License-Identifier: Apache-2.0 [package] @@ -13,9 +13,5 @@ authors.workspace = true repository.workspace = true [dependencies] -clap = { version = "4.6.1", features = ["derive"] } -hule-hmi.workspace = true hule-oci.workspace = true hule-vmm.workspace = true -tokio = { workspace = true, features = ["rt-multi-thread", "macros", "fs"] } -uuid = { version = "1", features = ["v7"] } diff --git a/crates/hule/src/main.rs b/crates/hule/src/main.rs index a1be2bb..73d3f4f 100644 --- a/crates/hule/src/main.rs +++ b/crates/hule/src/main.rs @@ -1,182 +1,10 @@ -// SPDX-FileCopyrightText: 2026 Nikolay Govorov +// SPDX-FileCopyrightText: 2026 Nikolay Govorov // SPDX-License-Identifier: Apache-2.0 -use std::fmt::Display; -use std::path::{Path, PathBuf}; -use std::process::exit; +use hule_oci; +use hule_vmm; -use clap::{Parser, Subcommand}; -use hule_hmi::{Access, MachineImage}; -use hule_vmm::backend::qemu::QemuHypervisor; -use hule_vmm::{Hypervisor, MachineId, Settings}; -use uuid::Uuid; - -type R<T> = std::result::Result<T, String>; - -#[derive(Parser)] -#[command(version, about)] -#[command(propagate_version = true)] -struct Cli { - #[command(subcommand)] - command: Commands, -} - -#[derive(Subcommand)] -enum Commands { - Image { - #[command(subcommand)] - command: ImageCommands, - }, - - Machine { - #[command(subcommand)] - command: MachineCommands, - }, -} - -#[derive(Subcommand)] -enum ImageCommands { - Pull { - name: String, - }, - - Push { - name: String, - }, - - Load { - image: String, - - reference: Option<String>, - }, -} - -#[derive(Subcommand)] -enum MachineCommands { - Run { - image: String, - - #[arg(default_value_t = 8022)] - port: u16, - }, -} - -fn die(msg: impl Display) -> ! { - eprintln!("hule: {msg}"); - exit(1); -} - -async fn cmd_run(images: &hule_oci::ImageManager, reference: &str, port: u16) -> R<()> { - if !images - .contains(reference) - .await - .map_err(|error| error.to_string())? - { - eprintln!("hule: {reference} not found locally, pulling..."); - images - .pull(reference) - .await - .map_err(|error| error.to_string())?; - } - - let scratch = std::env::temp_dir().join(format!("hule-run-{}", std::process::id())); - let config = images - .materialize(reference, &scratch) - .await - .map_err(|error| error.to_string())?; - let image = MachineImage::from_json(&config).map_err(|e| e.to_string())?; - let hv = QemuHypervisor; - - let boot = image - .machine - .boot - .iter() - .find(|b| matches!(b, hule_hmi::Boot::Linux(_)) && hv.supports(b)) - .or_else(|| image.machine.boot.iter().find(|b| hv.supports(b))) - .ok_or("no boot protocol in manifest is supported by the qemu backend")?; - - let guest_port = image - .machine - .access - .iter() - .find_map(|a| match a { - Access::Ssh { port, .. } => Some(*port), - Access::Qga { .. } | Access::Unknown(_) => None, - }) - .unwrap_or(22); - let settings = Settings { - cpu: image.machine.cpu.default as u32, - ram: image.machine.ram.default / (1024 * 1024), - port_forwards: vec![(port, guest_port)], - }; - - let mut machine = hv - .create( - MachineId(Uuid::now_v7()), - None, - &image, - &scratch, - boot, - &settings, - ) - .await - .map_err(|e| e.to_string())?; - - eprintln!( - "hule: booting {} via {} (ssh: localhost:{port})", - scratch.display(), - boot.protocol() - ); - machine.start().await.map_err(|e| e.to_string())?; - let status = machine.wait().await.map_err(|e| e.to_string())?; - exit(status.code().unwrap_or(1)); -} - -#[tokio::main] -async fn main() { - let cli = Cli::parse(); - - let home = std::env::var("HOME").unwrap_or_else(|_| die("HOME is not set")); - let root = PathBuf::from(home).join(".hule"); - - let storage = hule_oci::Storage::open(root.join("oci"), root.join("hmi")) - .await - .unwrap_or_else(|e| die(e)); - - let images = hule_oci::ImageManager::new(storage); - - match &cli.command { - Commands::Image { command } => match &command { - ImageCommands::Pull { name } => { - let digest = images.pull(name).await.unwrap_or_else(|e| die(e)); - eprintln!("hule: pulled {} ({digest})", name); - } - - ImageCommands::Push { name } => { - images.push(name).await.unwrap_or_else(|e| die(e)); - eprintln!("hule: pushed {}", name); - } - - ImageCommands::Load { reference, image } => { - let digest = images - .load(Path::new(image), reference.as_deref()) - .await - .unwrap_or_else(|e| die(e)); - - match reference { - Some(reference) => { - eprintln!("hule: loaded {} as {reference} ({digest})", image) - } - None => eprintln!("hule: loaded {} ({digest}, untagged)", image), - } - } - }, - Commands::Machine { command } => match &command { - MachineCommands::Run { image, port } => { - cmd_run(&images, image, *port) - .await - .unwrap_or_else(|e| die(e)); - } - }, - } +fn main() { + println!("oci: {}", hule_oci::NAME); + println!("vmm: {}", hule_vmm::NAME); } diff --git a/deny.toml b/deny.toml deleted file mode 100644 --- a/deny.toml +++ /dev/null @@ -1,18 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -[licenses] -allow = [ - "Apache-2.0", - "Apache-2.0 WITH LLVM-exception", - "BSD-2-Clause", - "BSD-3-Clause", - "BSL-1.0", - "CDLA-Permissive-2.0", - "ISC", - "MIT", - "MPL-2.0", - "Unicode-3.0", - "Zlib", -] -unused-allowed-license = "allow" diff --git a/docs/landscape.md b/docs/landscape.md deleted file mode 100644 --- a/docs/landscape.md +++ /dev/null @@ -1,45 +0,0 @@ -# Isolation landscape - -A cursory overview of similar or related projects that caught the author's -attention. There is no systematic approach, so great projects might be -overlooked. - -**Containers:** - -- <https://podman.io> -- <https://docker.com> -- <https://colima.run> -- <https://containerd.io> -- <https://linuxcontainers.org/incus> -- <https://github.com/apple/container> - -**Container build tools:** - -- <https://buildah.io> -- <https://github.com/lxc/distrobuilder> - -**Micro VM:** - -- <https://lima-vm.io> -- <https://microsandbox.dev> -- <https://firecracker-microvm.io> -- <https://github.com/libkrun/krunvm> - -**macOS VM:** - -- <https://tart.run> -- <https://veertu.com> - -**VM image formats:** - -- <https://www.dmtf.org/standards/ovf> -- <https://www.qemu.org/docs/master/interop/qcow2.html> - -**Hypervisor:** - -- [Xen](https://xenproject.org) -- [QEMU](https://www.qemu.org) -- [Linux KVM](https://docs.kernel.org/virt/kvm/index.html) -- [Windows Hyper-V](https://learn.microsoft.com/windows-server/virtualization/hyper-v/) -- [Apple Hypervisor.framework](https://developer.apple.com/documentation/hypervisor) -- [Apple Virtualization.framework](https://developer.apple.com/documentation/virtualization) diff --git a/docs/whitepaper.md b/docs/whitepaper.md deleted file mode 100644 --- a/docs/whitepaper.md +++ /dev/null @@ -1,224 +0,0 @@ -# Hule Whitepaper - -> [!CAUTION] -> This document describes the intended architecture and boundaries of Hule. The -> implementation is still in progress and does not yet provide every capability -> described here. - -Hule is a portable machine-image format and a set of tools for distributing, -running, and deriving virtual machines. - -Containers made Linux user spaces easy to package and distribute, but they share -the host kernel. They cannot represent a different kernel, an arbitrary -operating system, or a machine built for another CPU architecture. Virtual -machines can, but their images and configuration are commonly tied to one -hypervisor or one cloud. - -Hule provides a common boundary between a prepared virtual machine, an OCI -registry, and the hypervisor that runs it. - -## Design - -Hule is built on two existing technologies: - -- OCI solves distribution: content-addressed storage, large blobs, caching, - deduplication, authentication, and multi-platform indexes. -- Qcow2 backing files represent derived disks efficiently: a child image stores - only the blocks that differ from an immutable parent. - -Hule connects them through a filesystem format rather than through a service -API: - -```text - OCI registry - ↕ - hule-oci - ↕ -external builders → machine directory → hule-vmm - Packer, genimg, config.json ↓ - manual install, *.hmi files QEMU / native VMM - existing VM - ↓ - Hulefile runner - (commands via exec) - ↓ - derived machine directory -``` - -`hule-oci` and `hule-vmm` do not call each other. The materialized machine -directory is their only contract. A directory may be created without OCI, and a -pulled image may be inspected or copied without starting a hypervisor. - -## Machine Format - -A materialized machine is a directory containing a `config.json`, one or more -Hule Machine Image (`.hmi`) disks, and optional boot resources such as a kernel -or initrd. - -```text -machine/ -├── config.json -├── root.hmi -├── kernel -└── initrd -``` - -`config.json` describes the machine contract: - -- the guest operating system and CPU architecture; -- minimum and default resources; -- available boot protocols; -- disks and other required files; -- networking expectations; -- ways to access the guest, such as SSH or a guest agent. - -It describes what the image requires and supports, not a hypervisor command -line. Deployment-specific choices such as host port mappings, bridged networks, -and instance names are runtime settings and are not part of the immutable image. - -### HMI - -HMI is a constrained form of qcow2 intended for portable disk chains. Its -required invariant is semantic rather than byte-for-byte equivalence: given the -complete backing chain, an HMI disk and its flattened raw representation have -the same virtual size and expose the same bytes to the guest. - -This invariant enables two operations: - -1. Flatten an HMI chain into raw, then convert it if necessary for a hypervisor - that cannot consume qcow2 natively. -2. Convert a modified disk back to qcow2 and safely rebase it onto its original - base, producing a small HMI that contains only the guest-visible difference. - -Qcow2 metadata such as physical cluster placement, compression, or internal -allocation does not need to survive this round trip. The virtual disk contents -do. - -Backing images are immutable. A running instance writes to a separate overlay; -published images and shared cache entries are never used as writable instance -state. - -## Distribution - -`hule-oci` maps a machine directory and all HMI files needed by its backing -chains to OCI artifacts. Large files may be split into independently compressed -chunks so they can be transferred and verified in parallel. - -It is responsible for: - -- loading and saving already prepared Hule machines; -- pushing and pulling OCI artifacts; -- maintaining a content-addressed local cache; -- resolving complete backing chains; -- materializing a machine directory on disk. - -OCI indexes can contain variants for different guest operating systems and CPU -architectures. Native execution is an optimization, not a requirement: a user -may intentionally select a foreign architecture and run it through emulation. - -`hule-oci` does not provision guests and does not know how a machine will be -executed. - -## Runtime - -`hule-vmm` starts a materialized machine directory. Hypervisor backends -translate the machine contract into their native configuration and expose a -common machine lifecycle. - -QEMU is the tier-0 backend. It provides a widely available implementation of the -machine model and, importantly, full-system CPU emulation. This makes scenarios -such as a RISC-V NetBSD guest on an Arm macOS host valid even when they are not -fast. - -Native backends may provide better integration and performance when the host and -guest are compatible. They may flatten or convert HMI disks into their native -storage format before starting the VM. This conversion is a runtime detail and -does not change the distributed Hule image. - -`hule-vmm` does not know whether its input came from an OCI registry, a local -builder, an exported VM, or a directory copied by the user. - -## Derivation with Hulefile - -A Hulefile is a recipe for deriving one Hule image from another. Unlike an -external image builder, it does not install an operating system from scratch. -Its input is an already loaded Hule machine that can be started and controlled -through an `exec`-capable access method. - -Every Hulefile has exactly one parent image. There is no empty base and no -equivalent of `FROM scratch`: creating the first bootable machine always happens -outside the Hulefile workflow and enters Hule through load or import. - -The intended execution model is deliberately simple: - -1. Resolve and pin the immutable parent image. -2. Start it with a persistent writable instance overlay. -3. Execute the Hulefile commands sequentially inside the guest through `exec`. -4. If every command succeeds, shut the guest down and flush its disk state. -5. Rebase the resulting disk onto the parent and produce a new HMI and - `config.json`. -6. If any command fails, discard the temporary instance and produce no image. - -One Hulefile produces one image boundary. Individual commands do not create -published layers or snapshots, and intermediate states are not part of the -format. This keeps the backing chain tied to meaningful image derivations rather -than to the number of provisioning commands. - -The exact Hulefile syntax is not defined yet. It is expected to be a small shell -dialect for running arbitrary commands, with only the additional structure -needed to identify the parent and describe changes to the resulting machine -configuration. A Hulefile runs in the context of its parent guest and is not -implicitly portable across operating systems. - -## Image Lifecycle - -### Prepare, Import, and Load - -Preparing a base guest operating system is outside Hule. Users may use Packer, a -`genimg` script, an unattended installer, or a manually configured VM. A -finished Hule machine with HMI disks and a `config.json` enters the local store -through load and can be exported again through save. A qcow2 or raw disk image -instead enters through import, which converts it to HMI and constructs the -machine configuration where possible. The resulting Hule image can then be -distributed or used as the parent of a Hulefile. - -This boundary is important for systems whose prebuilt images cannot be freely -redistributed. A project can publish a recipe that downloads official -installation media, builds an image on the user's machine, and pushes the result -to the user's own OCI registry. - -### Publish - -The prepared Hule machine is loaded, validated, split into OCI blobs, and pushed -to a registry. Tags provide convenient names; digests identify immutable -versions. - -### Run - -The OCI artifact is pulled and materialized. `hule-vmm` selects a compatible -backend and boot protocol, creates writable instance state, and starts the VM. - -### Derive - -A Hulefile is the standard path for reproducibly deriving an image. A modified -instance disk may also be converted back to HMI and rebased onto the immutable -image from which it originated. Only the resulting difference needs to be -published; unchanged parent data is reused through the backing chain and OCI -content store. - -## Scope - -Hule defines how a prepared machine is represented, distributed, materialized, -run, and derived. It does not: - -- install a base guest operating system from installation media; -- replace Packer, unattended installers, or other from-scratch image builders; -- create a machine from an empty Hulefile parent; -- serve as a general-purpose workload orchestrator inside the guest; -- require a particular OCI registry; -- promise native acceleration for every host and guest combination; -- grant redistribution rights for operating systems or software contained in an - image. - -The format is the product boundary. Builders produce it, registries transport -it, and runtimes consume it independently. diff --git a/images/alpine/genimg b/images/alpine/genimg deleted file mode 100755 --- a/images/alpine/genimg +++ /dev/null @@ -1,261 +0,0 @@ -#!/bin/sh -eux -# SPDX-FileCopyrightText: 2017-2026 Drew DeVault -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: AGPL-3.0-only - -self=$(dirname "$(readlink -f "$0")") -cd "$self" - -version=${1:-} -arch="${2:-amd64}" -linux="${linux:-linux-lts}" - -case $version in -3.20 | 3.21 | 3.22 | 3.23 | 3.24) - release="v$version" - ;; -edge) - release="edge" - ;; -*) - echo "usage: ${0##*/} <3.20|3.21|3.22|3.23|3.24|edge> [arch]" >&2 - exit 1 - ;; -esac - -case $arch in -amd64) apk_arch=x86_64 ;; -arm64) apk_arch=aarch64 ;; -*) - echo "unsupported architecture $arch" >&2 - exit 1 - ;; -esac - -out="$version/$arch" - -cleanup() { - # The order here is important if you don't want to hose your mounts - sync - umount -f /mnt/dev/pts 2>/dev/null || true - umount -f /mnt/dev/shm 2>/dev/null || true - umount -f /mnt/dev 2>/dev/null || true - umount -f /mnt/proc 2>/dev/null || true - umount -f /mnt/run 2>/dev/null || true - umount -f /mnt/sys 2>/dev/null || true - umount -f /mnt/boot 2>/dev/null || true - umount -f /mnt 2>/dev/null || true - swapoff /dev/nbd0p2 || true - qemu-nbd --disconnect /dev/nbd0 || true -} - -size_gib=24 -mkdir -p "$out" - -qemu-img create -f qcow2 -o compat=1.1 "$out"/root.hmi "${size_gib}G" -modprobe nbd max_part=16 -qemu-nbd --connect=/dev/nbd0 "$out"/root.hmi -for i in $(seq 1 5); do - sleep "0.$i" - partprobe /dev/nbd0 && break -done -trap cleanup EXIT - -if [ "$arch" = "amd64" ]; then - dd if=/usr/share/syslinux/mbr.bin of=/dev/nbd0 bs=1 count=440 -fi -sfdisk --no-reread /dev/nbd0 <<EOF -1M,100M,L,* -,2048M,S -,,L -EOF -mdev -s - -mkfs.ext4 /dev/nbd0p1 -mkswap /dev/nbd0p2 -mkfs.ext4 /dev/nbd0p3 - -mount /dev/nbd0p3 /mnt -mkdir /mnt/boot -mount /dev/nbd0p1 /mnt/boot -swapon /dev/nbd0p2 - -# TODO: Remove bash -apk add -U \ - -X "http://dl-cdn.alpinelinux.org/alpine/$release/main/" \ - -X "http://dl-cdn.alpinelinux.org/alpine/$release/community/" \ - --allow-untrusted \ - --arch="$apk_arch" \ - --root=/mnt \ - --initdb \ - acct alpine-base alpine-conf alpine-sdk linux-firmware-none "$linux" \ - git mercurial openssh sudo syslinux tzdata gnupg haveged bash curl \ - doas qemu-guest-agent - -mount --bind /dev /mnt/dev -mount --bind /dev/pts /mnt/dev/pts -mount --bind /dev/shm /mnt/dev/shm -mount --bind /proc /mnt/proc -mount --bind /run /mnt/run -mount --bind /sys /mnt/sys - -run_root() { - chroot /mnt /usr/bin/env \ - PATH=/sbin:/usr/sbin:/bin:/usr/bin \ - /bin/sh -c "$*" -} - -run_root setup-hostname -n build -run_root setup-interfaces -i <<EOF -auto lo -iface lo inet loopback - -auto eth0 -iface eth0 inet static - hostname build - address 10.0.2.15 - netmask 255.255.255.0 - gateway 10.0.2.2 -EOF -run_root setup-dns -d example.org 8.8.8.8 9.9.9.9 1.1.1.1 -if [ "$release" = "edge" ]; then - run_root setup-timezone UTC - cat >/mnt/etc/apk/repositories <<EOF -http://dl-cdn.alpinelinux.org/alpine/$release/main -http://dl-cdn.alpinelinux.org/alpine/$release/community -http://dl-cdn.alpinelinux.org/alpine/$release/testing -EOF -else - run_root setup-timezone -z UTC - cat >/mnt/etc/apk/repositories <<EOF -http://dl-cdn.alpinelinux.org/alpine/$release/main -http://dl-cdn.alpinelinux.org/alpine/$release/community -EOF -fi - -extlinux -i /mnt/boot - -# Alpine uses mdev rather than udev, so create the stable, named virtio-port -# symlink expected by qemu-ga without depending on controller/port numbers. -mkdir -p /mnt/etc/mdev -cat >/mnt/etc/mdev/virtio-port <<'EOF' -#!/bin/sh -name=$(cat "/sys/class/virtio-ports/$MDEV/name") || exit -[ "$name" = org.qemu.guest_agent.0 ] || exit -mkdir -p /dev/virtio-ports -ln -sf "/dev/$MDEV" "/dev/virtio-ports/$name" -EOF -chmod +x /mnt/etc/mdev/virtio-port -echo 'vport.* root:root 0600 @/etc/mdev/virtio-port' >>/mnt/etc/mdev.conf - -for i in ntpd sshd crond haveged qemu-guest-agent; do - run_root rc-update add $i default -done -for i in hwclock modules sysctl hostname bootmisc loadkmap networking seedrng syslog swap; do - run_root rc-update add $i boot -done -for i in devfs dmesg hwdrivers mdev; do - run_root rc-update add $i sysinit -done -for i in mount-ro killprocs savecache; do - run_root rc-update add $i shutdown -done - -sed -e 's/#PermitEmptyPasswords no/PermitEmptyPasswords yes/' \ - -i /mnt/etc/ssh/sshd_config - -run_root adduser -u 1000 -D -h /home/build -s /bin/sh build -run_root adduser build wheel -run_root adduser build kvm -run_root adduser build abuild -run_root passwd -u build - -printf '%s\n' "%wheel ALL=(ALL) NOPASSWD: ALL" >>/mnt/etc/sudoers -rm -f /mnt/etc/motd -printf 'permit nopass :wheel\n' >>/mnt/etc/doas.d/doas.conf - -boot_uuid=$(blkid -s UUID -o value /dev/nbd0p1) -root_uuid=$(blkid -s UUID -o value /dev/nbd0p3) -cmdline="root=UUID=$root_uuid rw modules=sd-mod,usb-storage,ext4 quiet rootfstype=ext4" - -cat >/mnt/boot/extlinux.conf <<EOF -DEFAULT linux -LABEL linux - LINUX vmlinuz-$(echo "$linux" | cut -d- -f2-) - INITRD initramfs-$(echo "$linux" | cut -d- -f2-) - APPEND $cmdline -EOF - -cat >>/mnt/etc/fstab <<EOF -UUID=$boot_uuid /boot ext4 rw,relatime,data=ordered 0 0 -/dev/vda2 swap swap defaults 0 0 -UUID=$root_uuid / ext4 rw,relatime,data=ordered 0 0 -EOF - -mkdir -p /mnt/etc/docker -cat >/mnt/etc/docker/daemon.json <<EOF -{ - "bip": "172.18.0.1/16" -} -EOF - -pkg_version() { - name=$(run_root apk list "$1" | grep installed | cut -d' ' -f1) - echo "${name##"$1"-}" -} - -run_root apk add "$linux=$(pkg_version "$linux")" - -sync - -# Detach the disk so root.hmi is fully flushed before hashing; disarm cleanup. -cleanup -trap : EXIT - -# --- Hule machine configuration (`config.json`) ------------------------------ -disk_sha=$(sha256sum "$out/root.hmi" | cut -d' ' -f1) -disk_bytes=$(stat -c%s "$out/root.hmi") -virtual_bytes=$((size_gib * 1024 * 1024 * 1024)) -mem_min=$((256 * 1024 * 1024)) -mem_def=$((1024 * 1024 * 1024)) - -cat >"$out/config.json" <<EOF -{ - "schemaVersion": 1, - "kind": "MachineImage", - - "system": { - "os": "linux", - "name": "alpine", - "version": "$version", - "architecture": "$arch" - }, - - "machine": { - "cpu": { "minimum": 1, "default": 2 }, - "ram": { "minimum": $mem_min, "default": $mem_def }, - "boot": [ - { - "protocol": "firmware-disk/bios", - "disk": "root" - } - ], - "access": [ - { "type": "ssh", "port": 22, "user": "build", "auth": "empty-password" }, - { "type": "qga" } - ], - "network": { "mode": "static", "address": "10.0.2.15/24", "gateway": "10.0.2.2" } - }, - - "disks": [ - { - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:$disk_sha", - "virtSize": $virtual_bytes, - "diskSize": $disk_bytes - } - ] -} -EOF diff --git a/images/debian/genimg b/images/debian/genimg deleted file mode 100755 --- a/images/debian/genimg +++ /dev/null @@ -1,300 +0,0 @@ -#!/bin/sh -eux -# SPDX-FileCopyrightText: 2017-2026 Drew DeVault -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: AGPL-3.0-only - -self=$(dirname "$(readlink -f "$0")") -cd "$self" - -release=${1:-} -arch=${2:-amd64} - -case $release in -bookworm | forky | sid | trixie) ;; -*) - echo "usage: ${0##*/} <bookworm|forky|sid|trixie> [arch]" >&2 - exit 1 - ;; -esac - -case $arch in -amd64) - darch=amd64 - iface=ens3 - kpkg=linux-image-amd64 - ;; -arm64) - darch=arm64 - iface=enp0s1 - kpkg=linux-image-arm64 - ;; -ppc64le) - darch=ppc64el - iface=enp0s0 - kpkg=linux-image-powerpc64le - ;; -*) - echo "unsupported architecture $arch" - exit 1 - ;; -esac - -cleanup() { - # The order here is important if you don't want to hose your mounts - cat /mnt/debootstrap/debootstrap.log || true - umount /mnt/dev/pts 2>/dev/null || true - umount /mnt/dev/shm 2>/dev/null || true - umount /mnt/dev 2>/dev/null || true - umount /mnt/proc 2>/dev/null || true - umount /mnt/run 2>/dev/null || true - umount /mnt/sys 2>/dev/null || true - umount /mnt/boot 2>/dev/null || true - umount /mnt 2>/dev/null || true - qemu-nbd --disconnect /dev/nbd0 || true -} - -out="$release/$arch" -size_gib=32 -mkdir -p "$out" - -# .hmi (Hule Machine Image): plain qcow2 restricted to a feature subset that -# materializes losslessly to raw (no internal snapshots/bitmaps/encryption). -# Base image = chain root, so no backing. Never `qemu-img snapshot` it. -qemu-img create -f qcow2 -o compat=1.1 "$out/root.hmi" "${size_gib}G" -modprobe nbd max_part=16 -qemu-nbd --connect=/dev/nbd0 "$out/root.hmi" -for i in $(seq 1 5); do - sleep "0.$i" - partprobe /dev/nbd0 && break -done -trap cleanup EXIT - -if [ "$arch" = "amd64" ]; then - dd if=/usr/lib/syslinux/mbr/mbr.bin of=/dev/nbd0 bs=1 count=440 -fi - -sfdisk --no-reread /dev/nbd0 <<EOF -1M,256M,L,* -,2048M,S -,,L -EOF - -mkfs.ext4 /dev/nbd0p1 -mkswap /dev/nbd0p2 -mkfs.ext4 /dev/nbd0p3 - -mount /dev/nbd0p3 /mnt -mkdir /mnt/boot -mount /dev/nbd0p1 /mnt/boot - -if [ "$arch" = "amd64" ]; then - debootstrap --include=gnupg2 --arch="$darch" "$release" /mnt -else - ./qemu-debootstrap --include=gnupg2 --arch="$darch" "$release" /mnt -fi - -mount --bind /dev /mnt/dev -mount --bind /dev/pts /mnt/dev/pts -mount --bind /dev/shm /mnt/dev/shm -mount --bind /proc /mnt/proc -mount --bind /run /mnt/run -mount --bind /sys /mnt/sys - -run_root() { - chroot /mnt /usr/bin/env \ - PATH=/sbin:/usr/sbin:/bin:/usr/bin \ - sh -c "$*" -} - -echo 'nameserver 8.8.8.8' >/mnt/etc/resolv.conf -echo 'nameserver 9.9.9.9' >>/mnt/etc/resolv.conf -echo 'nameserver 1.1.1.1' >>/mnt/etc/resolv.conf -cat >/mnt/etc/network/interfaces <<EOF -auto lo -iface lo inet loopback - -auto $iface -iface $iface inet static - hostname build - address 10.0.2.15 - netmask 255.255.255.0 - gateway 10.0.2.2 -EOF -echo build >/mnt/etc/hostname -cat >/mnt/etc/hosts <<EOF -127.0.0.1 build localhost -EOF - -echo 'APT::Install-Recommends "False";' >/mnt/etc/apt/apt.conf.d/60recommends - -run_root apt-get update -run_root apt-get -y install locales -run_root apt-get -y install $kpkg -run_root apt-get -y install build-essential git mercurial ssh sudo \ - gnupg dirmngr ca-certificates apt-transport-https curl dbus \ - systemd-timesyncd ncurses-term qemu-guest-agent - -run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime -run_root systemctl enable systemd-timesyncd.service - -run_root useradd -mG sudo build -run_root passwd -d build -echo '%sudo ALL=(ALL) NOPASSWD: ALL' >>/mnt/etc/sudoers - -echo "PermitEmptyPasswords yes" >>/mnt/etc/ssh/sshd_config -echo ssh >>/mnt/etc/securetty -run_root systemctl enable ssh -run_root systemctl enable qemu-guest-agent - -# Prevent docker from mucking up networking -mkdir -p /mnt/etc/docker -cat >/mnt/etc/docker/daemon.json <<EOF -{ - "bip": "172.18.0.1/16" -} -EOF - -run_root update-initramfs -u - -kernel_path= -for candidate in /mnt/boot/vmlinuz-*; do - [ -e "$candidate" ] || continue - kernel_path=$candidate - break -done -[ -n "$kernel_path" ] -linuxver=${kernel_path##*/vmlinuz-} - -# Reference partitions by PARTUUID so boot survives whatever the VMM names the -# disk. cmdline is canonical: identical for every boot protocol (extlinux append -# here, -append on the direct path) -- see docs/boot-protocol.md. -boot_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p1) -swap_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p2) -root_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p3) -cmdline="root=PARTUUID=$root_partuuid rw quiet" - -cat >>/mnt/etc/fstab <<EOF -PARTUUID=$boot_partuuid /boot ext4 rw,relatime,data=ordered 0 0 -PARTUUID=$swap_partuuid swap swap defaults 0 0 -PARTUUID=$root_partuuid / ext4 rw,relatime,data=ordered 0 0 -EOF - -# Boot setup: amd64 self-boots via extlinux (firmware-disk/bios); other arches -# have no in-image bootloader, the VMM boots the extracted kernel directly. -case "$arch" in -amd64) - run_root apt-get -y install extlinux - extlinux -i /mnt/boot - - cat >/mnt/boot/extlinux.conf <<-EOF - default debian - label debian - linux vmlinuz-$linuxver - initrd initrd.img-$linuxver - append $cmdline - EOF - ;; -arm64) - cp /mnt/boot/vmlinuz-* "$out/vmlinuz" - cp /mnt/boot/initrd.img-* "$out/initrd" - ;; -ppc64le) - cp /mnt/boot/vmlinux-* "$out/vmlinux" - cp /mnt/boot/initrd.img-* "$out/initrd" - ;; -esac - -sync - -# Detach the disk so root.hmi is fully flushed before hashing; disarm cleanup. -cleanup -trap : EXIT - -# --- Hule machine configuration (`config.json`) ------------------------------ -disk_sha=$(sha256sum "$out/root.hmi" | cut -d' ' -f1) -disk_bytes=$(stat -c%s "$out/root.hmi") -virtual_bytes=$((size_gib * 1024 * 1024 * 1024)) -mem_min=$((256 * 1024 * 1024)) -mem_def=$((1024 * 1024 * 1024)) - -case "$arch" in -amd64) - # Legacy BIOS: extlinux in an MBR disk, booted by the VMM's BIOS firmware. - protocols=$( - cat <<JSON - { - "protocol": "firmware-disk/bios", - "disk": "root" - } -JSON - ) - ;; -arm64) - kernel_sha=$(sha256sum "$out/vmlinuz" | cut -d' ' -f1) - initrd_sha=$(sha256sum "$out/initrd" | cut -d' ' -f1) - protocols=$( - cat <<JSON - { - "protocol": "linux/direct", - "disk": "root", - "kernel": { "path": "vmlinuz", "digest": "sha256:$kernel_sha" }, - "initrd": { "path": "initrd", "digest": "sha256:$initrd_sha" }, - "cmdline": "$cmdline" - } -JSON - ) - ;; -ppc64le) - kernel_sha=$(sha256sum "$out/vmlinux" | cut -d' ' -f1) - initrd_sha=$(sha256sum "$out/initrd" | cut -d' ' -f1) - protocols=$( - cat <<JSON - { - "protocol": "linux/direct", - "disk": "root", - "kernel": { "path": "vmlinux", "digest": "sha256:$kernel_sha" }, - "initrd": { "path": "initrd", "digest": "sha256:$initrd_sha" }, - "cmdline": "$cmdline" - } -JSON - ) - ;; -esac - -cat >"$out/config.json" <<EOF -{ - "schemaVersion": 1, - "kind": "MachineImage", - - "system": { - "os": "linux", - "name": "debian", - "version": "$release", - "architecture": "$arch" - }, - - "machine": { - "cpu": { "minimum": 1, "default": 2 }, - "ram": { "minimum": $mem_min, "default": $mem_def }, - "boot": [ -$protocols - ], - "access": [ - { "type": "ssh", "port": 22, "user": "build", "auth": "empty-password" }, - { "type": "qga" } - ], - "network": { "mode": "static", "address": "10.0.2.15/24", "gateway": "10.0.2.2" } - }, - - "disks": [ - { - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:$disk_sha", - "virtSize": $virtual_bytes, - "diskSize": $disk_bytes - } - ] -} -EOF diff --git a/images/fedora/genimg b/images/fedora/genimg deleted file mode 100755 --- a/images/fedora/genimg +++ /dev/null @@ -1,242 +0,0 @@ -#!/bin/sh -eux -# SPDX-FileCopyrightText: 2017-2026 Drew DeVault -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: AGPL-3.0-only - -# Network Block Device used to interact with the QCOW2 image. -NBD_DEVICE=/dev/nbd0 - -self=$(dirname "$(readlink -f "$0")") -cd "$self" - -release=${1:-} -arch=${2:-amd64} - -case $release in -42 | 43 | 44) ;; -*) - echo "usage: ${0##*/} <42|43|44> [arch]" >&2 - exit 1 - ;; -esac - -case $arch in -amd64) - fedora_arch=x86_64 - iface=ens3 - ;; -*) - echo "unsupported architecture $arch" - exit 1 - ;; -esac - -cleanup() { - # The order here is important if you don't want to hose your mounts - umount /mnt/dev/pts 2>/dev/null || true - umount /mnt/dev/shm 2>/dev/null || true - umount /mnt/dev 2>/dev/null || true - umount /mnt/proc 2>/dev/null || true - umount /mnt/run 2>/dev/null || true - umount /mnt/sys/firmware 2>/dev/null || true - umount /mnt/sys 2>/dev/null || true - umount /mnt/boot 2>/dev/null || true - umount /mnt 2>/dev/null || true - qemu-nbd --disconnect $NBD_DEVICE || true -} - -run_root() { - chroot /mnt /usr/bin/env \ - PATH=/sbin:/usr/sbin:/bin:/usr/bin \ - sh -c "$*" -} - -out="$release/$arch" -size_gib=24 -mkdir -p "$out" - -# .hmi (Hule Machine Image): plain qcow2 restricted to a feature subset that -# materializes losslessly to raw (no internal snapshots/bitmaps/encryption). -# Base image = chain root, so no backing. Never `qemu-img snapshot` it. -qemu-img create -f qcow2 -o compat=1.1 "$out/root.hmi" "${size_gib}G" -modprobe nbd max_part=16 -qemu-nbd --connect=$NBD_DEVICE "$out/root.hmi" -trap cleanup EXIT - -# Looks like qemu-nbd is non-blocking. Wait one second to make sure $NBD_DEVICE -# is available. -sleep 1 - -sfdisk --no-reread $NBD_DEVICE <<EOF -1M,300M,L,* -,2048M,S -,,L -EOF - -mkfs.ext4 ${NBD_DEVICE}p1 -mkswap ${NBD_DEVICE}p2 -mkfs.ext4 ${NBD_DEVICE}p3 - -mount ${NBD_DEVICE}p3 /mnt -mkdir /mnt/boot -mount ${NBD_DEVICE}p1 /mnt/boot - -conditional_packages='' -if [ "$release" -gt 32 ]; then - conditional_packages=systemd-networkd -fi - -dnf -y \ - --releasever="$release" \ - --installroot=/mnt \ - --setopt=reposdir=/etc/yum.repos.d/ \ - --disablerepo='*' \ - --enablerepo=fedora \ - --enablerepo=updates install \ - --setopt=install_weak_deps=False \ - basesystem systemd systemd-udev passwd dnf dnf-plugins-core dnf5-plugins fedora-release $conditional_packages - -mount --bind /dev /mnt/dev -mount --bind /dev/pts /mnt/dev/pts -mount --bind /dev/shm /mnt/dev/shm -mount --bind /proc /mnt/proc -mount --bind /run /mnt/run -mount --bind /sys /mnt/sys - -# This is a BIOS-only image (no ESP), but the build host may boot via UEFI. Since -# /sys is bind-mounted from the host, grub2-mkconfig's 10_linux sees the host's -# /sys/firmware/efi and probes the nonexistent /boot/efi ("failed to get canonical -# path of /boot/efi/"). Shadow /sys/firmware with an empty tmpfs so the chroot's -# grub sees a BIOS platform regardless of how the host booted. Make the bind -# private first so the tmpfs doesn't propagate back and hide firmware on the host. -mount --make-rprivate /mnt/sys -mount -t tmpfs tmpfs /mnt/sys/firmware - -# Remove systemd-networkd symlink, which is useless in our chroot. -rm -f /mnt/etc/resolv.conf - -echo 'nameserver 8.8.8.8' >/mnt/etc/resolv.conf -echo 'nameserver 9.9.9.9' >>/mnt/etc/resolv.conf -echo 'nameserver 1.1.1.1' >>/mnt/etc/resolv.conf -cat >/mnt/etc/systemd/network/25-$iface.network <<EOF -[Match] -Name=$iface - -[Network] -Address=10.0.2.15/24 -Gateway=10.0.2.2 -EOF - -echo build >/mnt/etc/hostname -cat >/mnt/etc/hosts <<EOF -127.0.0.1 localhost -127.0.0.1 build -EOF - -run_root systemd-machine-id-setup -run_root systemctl enable systemd-networkd.service -run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime -run_root systemctl enable systemd-timesyncd.service - -run_root dnf -y \ - --releasever="$release" \ - install \ - @development-tools git mercurial openssh-server sudo kernel grub2 \ - qemu-guest-agent - -run_root dnf clean all - -# Add support for virtio block devices at boot time. -cat >/mnt/etc/dracut.conf.d/virtio-blk.conf <<EOF -add_drivers="virtio-blk" -EOF -kernel_path= -for candidate in /mnt/boot/vmlinuz-*."$fedora_arch"; do - [ -e "$candidate" ] || continue - kernel_path=$candidate - break -done -[ -n "$kernel_path" ] -kernel_version=${kernel_path##*/vmlinuz-} -run_root dracut --force --kver "$kernel_version" - -run_root grub2-install --target=i386-pc $NBD_DEVICE -run_root grub2-mkconfig -o /boot/grub2/grub.cfg - -run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime -run_root systemctl enable systemd-timesyncd.service - -run_root groupadd sudo -run_root useradd -mG sudo build -run_root passwd -d build -echo '%sudo ALL=(ALL) NOPASSWD: ALL' >>/mnt/etc/sudoers - -echo "PermitEmptyPasswords yes" >>/mnt/etc/ssh/sshd_config -echo ssh >>/mnt/etc/securetty -run_root systemctl enable sshd -run_root systemctl enable qemu-guest-agent - -boot_uuid=$(blkid --match-tag UUID --output value ${NBD_DEVICE}p1) -swap_uuid=$(blkid --match-tag UUID --output value ${NBD_DEVICE}p2) -root_uuid=$(blkid --match-tag UUID --output value ${NBD_DEVICE}p3) -cat >>/mnt/etc/fstab <<EOF -UUID=$boot_uuid /boot ext4 rw,relatime,data=ordered 0 0 -UUID=$swap_uuid swap swap defaults 0 0 -UUID=$root_uuid / ext4 rw,relatime,data=ordered 0 0 -EOF - -sync - -# Detach the disk so root.hmi is fully flushed before hashing; disarm cleanup. -cleanup -trap : EXIT - -# --- Hule machine configuration (`config.json`) ------------------------------ -# amd64 only, self-booting via grub2 (BIOS). No boot.cmdline: grub owns it and -# firmware-disk boot takes no cmdline from the VMM. -disk_sha=$(sha256sum "$out/root.hmi" | cut -d' ' -f1) -disk_bytes=$(stat -c%s "$out/root.hmi") -virtual_bytes=$((size_gib * 1024 * 1024 * 1024)) -mem_min=$((256 * 1024 * 1024)) -mem_def=$((1024 * 1024 * 1024)) - -cat >"$out/config.json" <<EOF -{ - "schemaVersion": 1, - "kind": "MachineImage", - - "system": { - "os": "linux", - "name": "fedora", - "version": "$release", - "architecture": "$arch" - }, - - "machine": { - "cpu": { "minimum": 1, "default": 2 }, - "ram": { "minimum": $mem_min, "default": $mem_def }, - "boot": [ - { - "protocol": "firmware-disk/bios", - "disk": "root" - } - ], - "access": [ - { "type": "ssh", "port": 22, "user": "build", "auth": "empty-password" }, - { "type": "qga" } - ], - "network": { "mode": "static", "address": "10.0.2.15/24", "gateway": "10.0.2.2" } - }, - - "disks": [ - { - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:$disk_sha", - "virtSize": $virtual_bytes, - "diskSize": $disk_bytes - } - ] -} -EOF diff --git a/images/freebsd/genimg b/images/freebsd/genimg deleted file mode 100755 --- a/images/freebsd/genimg +++ /dev/null @@ -1,250 +0,0 @@ -#!/bin/sh -eux -# SPDX-FileCopyrightText: 2017-2026 Drew DeVault -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: AGPL-3.0-only - -self=$(dirname "$(readlink -f "$0")") -cd "$self" - -with_ports=false - -while [ $# -gt 0 ]; do - case $1 in - --with-ports) - with_ports=true - shift - ;; - --no-with-ports) - with_ports=false - shift - ;; - --) - shift - break - ;; - -*) - echo "Unknown option $1" >&2 - exit 1 - ;; - *) - break - ;; - esac -done - -version=${1:-} -arch="${2:-amd64}" - -case $version in -14.x) - release="14.4-RELEASE" - ;; -15.x) - release="15.1-RELEASE" - ;; -current) - release="16.0" - ;; -*) - echo "usage: ${0##*/} <14.x|15.x|current> [arch]" >&2 - exit 1 - ;; -esac - -rel=${release%%.*} -out="$version/$arch" -rootfs=disk -reposdir=$(pwd)/$rootfs/usr/local/etc/pkg/repos - -export ABI="FreeBSD:$rel:$arch" -export IGNORE_OSVERSION=yes - -cleanup() { - umount "$rootfs"/usr/share/keys/pkg 2>/dev/null || true - chflags -R noschg "$rootfs" || true - rm -rf "$rootfs" disk.img || true -} -trap cleanup EXIT - -rm -rf "$rootfs" disk.img -mkdir -p "$rootfs" -mkdir -p "$reposdir" - -# Package repository used both to install the base (on -CURRENT) and to add -# tooling below. ${ABI} is expanded by pkg, not the shell. -cat >"$reposdir"/FreeBSD.conf <<EOF -FreeBSD: { - url: pkg+http://pkg.FreeBSD.org/\$\{ABI\}/latest - enabled: yes - mirror_type: srv - signature_type: fingerprint -} -EOF - -case $version in - -current) - # -CURRENT has no release tarballs; assemble the base from pkg base. - cat >>"$reposdir"/FreeBSD.conf <<EOF -FreeBSD-base: { - url: pkg+http://pkg.FreeBSD.org/\$\{ABI\}/base_latest - enabled: yes - mirror_type: srv - signature_type: fingerprint -} -EOF - # The base is not installed yet, so borrow the host's signing keys for - # the first fetch. - mkdir -p "$rootfs"/usr/share/keys/pkg - mount -t nullfs /usr/share/keys/pkg "$rootfs"/usr/share/keys/pkg - pkg -C /dev/null -R "$reposdir" -r "$rootfs" update - umount "$rootfs"/usr/share/keys/pkg - # XXX replace by group FreeBSD-base the day it is implemented :D - pkg -C /dev/null -R "$reposdir" -r "$rootfs" rquery -g "%n" "FreeBSD*" | - grep -vE "(lib32|dbg|kernel|src|tests)" | - xargs pkg -C /dev/null -R "$reposdir" -r "$rootfs" install -y - if pkg -C /dev/null -R "$reposdir" -r "$rootfs" install -y FreeBSD-kernel-generic-nodebug; then - echo "kernel=kernel.GENERIC-NODEBUG" >"$rootfs"/boot/loader.conf - else - pkg -C /dev/null -R "$reposdir" -r "$rootfs" install -y FreeBSD-kernel-generic - fi - ;; - -*) - # RELEASE: extract the published distribution tarballs into the tree. - dist_base="https://download.freebsd.org/ftp/releases/$arch/$release" - dist_files="kernel.txz base.txz" - dist_dir="/usr/freebsd-dist/$arch/$release" - - mkdir -p "$dist_dir" - for f in $dist_files; do - fetch -m -o "$dist_dir/$f" "$dist_base/$f" - done - for f in $dist_files; do - tar -C "$rootfs" -xJf "$dist_dir/$f" - done - - # Apply security patches (only defined for -RELEASE). - if [ "${release%-RELEASE}" != "$release" ]; then - env PAGER=true /usr/sbin/freebsd-update \ - -b "$rootfs" \ - --currently-running "$release" \ - --not-running-from-cron -F \ - fetch install - fi - ;; - -esac - -# --- Common: tooling, guest configuration, image assembly. --- -# pkg runs on the host against the alternate root, so it uses the host's -# resolver; the guest resolv.conf written below is purely for runtime. -pkg -C /dev/null -R "$reposdir" -r "$rootfs" update -pkg -C /dev/null -R "$reposdir" -r "$rootfs" install -y \ - pkg git-lite mercurial sudo curl qemu-guest-agent -pkg -C /dev/null -R "$reposdir" -r "$rootfs" clean -ay - -if [ "$with_ports" = true ]; then - git clone https://github.com/freebsd/freebsd-ports "$rootfs"/usr/ports \ - --depth=1 --single-branch -fi - -echo "/dev/gpt/rootfs / ufs rw,noatime 1 1" >"$rootfs"/etc/fstab -touch "$rootfs"/firstboot -echo 'autoboot_delay="-1"' >>"$rootfs"/boot/loader.conf - -cat >>"$rootfs"/etc/rc.conf <<EOF -ntpd_enable=YES -sshd_enable=YES -growfs_enable=YES -qemu_guest_agent_enable=YES -hostname="build" -ifconfig_DEFAULT="inet 10.0.2.15 netmask 255.255.255.0" -defaultrouter="10.0.2.2" -EOF - -cat >"$rootfs"/etc/resolv.conf <<EOF -nameserver 8.8.8.8 -nameserver 9.9.9.9 -nameserver 1.1.1.1 -EOF -tzsetup -s -C "$rootfs" UTC - -cat >>"$rootfs"/etc/ssh/sshd_config <<EOF -PermitRootLogin yes -PasswordAuthentication yes -PermitEmptyPasswords yes -UsePAM no -EOF - -pw -R "$rootfs" groupadd sudo -pw -R "$rootfs" useradd -n build -u 1000 -s /bin/sh -m -w none -G sudo -echo "%sudo ALL=(ALL) NOPASSWD: ALL" >>"$rootfs"/usr/local/etc/sudoers - -# Build the UFS image straight from the directory tree, then wrap it in a -# bootable GPT qcow2 -- no md(4), mount or raw->qcow2 conversion needed. -makefs -s 8g -B little -o label=rootfs -o version=2 -o softupdates=1 disk.img "$rootfs" -mkdir -p "$out" -# .hmi (Hule Machine Image): mkimg emits a plain qcow2; keep it snapshot-free so -# it materializes losslessly to raw. Base image = chain root, no backing. -size_gib=16 -mkimg -s gpt \ - -b "$rootfs"/boot/pmbr \ - -C "${size_gib}G" \ - -p freebsd-boot:="$rootfs"/boot/gptboot \ - -p freebsd-ufs/rootfs:=disk.img \ - -f qcow2 \ - -o "$out"/root.hmi - -cleanup -trap : EXIT - -# --- Hule machine configuration (`config.json`) ------------------------------ -# GPT + freebsd-boot (gptboot/pmbr), booted by the VMM's BIOS firmware. No -# boot.cmdline (the FreeBSD loader owns boot; firmware-disk takes none from the -# VMM). FreeBSD host tools: sha256(1) and stat -f, not GNU coreutils. -disk_sha=$(sha256 -q "$out/root.hmi") -disk_bytes=$(stat -f%z "$out/root.hmi") -virtual_bytes=$((size_gib * 1024 * 1024 * 1024)) -mem_min=$((256 * 1024 * 1024)) -mem_def=$((1024 * 1024 * 1024)) - -cat >"$out/config.json" <<CONFIG -{ - "schemaVersion": 1, - "kind": "MachineImage", - - "system": { - "os": "freebsd", - "version": "$version", - "architecture": "$arch" - }, - - "machine": { - "cpu": { "minimum": 1, "default": 2 }, - "ram": { "minimum": $mem_min, "default": $mem_def }, - "boot": [ - { - "protocol": "firmware-disk/bios", - "disk": "root" - } - ], - "access": [ - { "type": "ssh", "port": 22, "user": "build", "auth": "empty-password" }, - { "type": "qga" } - ], - "network": { "mode": "static", "address": "10.0.2.15/24", "gateway": "10.0.2.2" } - }, - - "disks": [ - { - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:$disk_sha", - "virtSize": $virtual_bytes, - "diskSize": $disk_bytes - } - ] -} -CONFIG diff --git a/images/ubuntu/genimg b/images/ubuntu/genimg deleted file mode 100755 --- a/images/ubuntu/genimg +++ /dev/null @@ -1,305 +0,0 @@ -#!/bin/sh -eux -# SPDX-FileCopyrightText: 2017-2026 Drew DeVault -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: AGPL-3.0-only - -self=$(dirname "$(readlink -f "$0")") -cd "$self" - -release=${1:-} -arch=${2:-amd64} - -case $release in -jammy | noble | resolute) ;; -*) - echo "usage: ${0##*/} <jammy|noble|resolute> [arch]" >&2 - exit 1 - ;; -esac - -case $arch in -amd64) - iface=ens3 - qarch=x86_64 - ;; -arm64) - iface=enp0s1 - qarch=aarch64 - ;; -*) - echo "unsupported architecture $arch" - exit 1 - ;; -esac - -cleanup() { - # The order here is important if you don't want to hose your mounts - cat /mnt/debootstrap/debootstrap.log || true - umount /mnt/dev/pts 2>/dev/null || true - umount /mnt/dev/shm 2>/dev/null || true - umount /mnt/dev 2>/dev/null || true - umount /mnt/proc 2>/dev/null || true - umount /mnt/run 2>/dev/null || true - umount /mnt/sys 2>/dev/null || true - umount /mnt/boot 2>/dev/null || true - umount /mnt 2>/dev/null || true - qemu-nbd --disconnect /dev/nbd0 || true -} - -out="$release/$arch" -size_gib=32 -mkdir -p "$out" - -qemu-img create -f qcow2 -o compat=1.1 "$out/root.hmi" "${size_gib}G" -modprobe nbd max_part=16 -qemu-nbd --connect=/dev/nbd0 "$out/root.hmi" -trap cleanup EXIT - -# Looks like qemu-nbd is non-blocking. Wait one second to make sure $NBD_DEVICE -# is available. -sleep 1 - -if [ "$arch" = "amd64" ]; then - dd if=/usr/lib/syslinux/mbr/mbr.bin of=/dev/nbd0 bs=1 count=440 -fi - -sfdisk --no-reread /dev/nbd0 <<EOF -1M,256M,L,* -,4096M,S -,,L -EOF - -mkfs.ext4 /dev/nbd0p1 -mkswap /dev/nbd0p2 -mkfs.ext4 /dev/nbd0p3 - -mount /dev/nbd0p3 /mnt -mkdir /mnt/boot -mount /dev/nbd0p1 /mnt/boot - -export DEBIAN_FRONTEND=noninteractive - -debootstrap \ - --include=gnupg,ubuntu-keyring \ - --arch="$arch" "$release" \ - /mnt http://archive.ubuntu.com/ubuntu/ - -mount --bind /dev /mnt/dev -mount --bind /dev/pts /mnt/dev/pts -mount --bind /dev/shm /mnt/dev/shm -mount --bind /proc /mnt/proc -mount --bind /run /mnt/run -mount --bind /sys /mnt/sys - -if [ "$arch" != "amd64" ]; then - cp /usr/bin/qemu-$qarch-static /mnt/usr/bin -fi - -run_root() { - chroot /mnt /usr/bin/env \ - PATH=/sbin:/usr/sbin:/bin:/usr/bin \ - sh -c "$*" -} - -rm -f /mnt/etc/resolv.conf -echo 'nameserver 8.8.8.8' >/mnt/etc/resolv.conf -echo 'nameserver 9.9.9.9' >>/mnt/etc/resolv.conf -echo 'nameserver 1.1.1.1' >>/mnt/etc/resolv.conf -# Network config baked into the guest; the manifest declares it (mode + params) -# so consumers know how the image is reachable. Single source, so the two stay -# in sync. -net_mode=static -net_address=10.0.2.15/24 -net_gateway=10.0.2.2 -cat >"/mnt/etc/systemd/network/25-$iface.network" <<EOF -[Match] -Name=$iface - -[Network] -Address=$net_address -Gateway=$net_gateway -EOF - -run_root systemctl enable systemd-networkd.service -run_root systemctl enable systemd-timesyncd.service || - run_root systemctl enable chrony.service - -cat <<EOF >/mnt/etc/hosts -127.0.0.1 localhost.localdomain localhost -::1 localhost.localdomain localhost -127.0.0.1 build.localdomain build -EOF - -cat >/mnt/etc/apt/sources.list <<EOF -deb http://archive.ubuntu.com/ubuntu/ $release main restricted universe multiverse -deb http://archive.ubuntu.com/ubuntu/ $release-security main restricted universe multiverse -deb http://archive.ubuntu.com/ubuntu/ $release-updates main restricted universe multiverse -deb http://archive.ubuntu.com/ubuntu/ $release-backports main restricted universe multiverse -EOF -run_root apt-get update -run_root apt-get -y upgrade -run_root apt-get -y install locales -run_root apt-get -y install linux-base -run_root apt-get -y install linux-image-generic -run_root apt-get -y install \ - build-essential git mercurial ssh sudo dirmngr curl ca-certificates \ - qemu-guest-agent - -if [ "$arch" = "amd64" ]; then - extlinux -i /mnt/boot -fi - -run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime -run_root systemctl enable systemd-timesyncd.service || - run_root systemctl enable chrony.service - -run_root useradd -mG sudo build -run_root passwd -d build -echo '%sudo ALL=(ALL) NOPASSWD: ALL' >>/mnt/etc/sudoers - -echo "PermitEmptyPasswords yes" >>/mnt/etc/ssh/sshd_config -echo ssh >>/mnt/etc/securetty -run_root systemctl enable ssh -run_root systemctl enable qemu-guest-agent - -# Prevent docker from mucking up networking -mkdir -p /mnt/etc/docker -cat >/mnt/etc/docker/daemon.json <<EOF -{ - "bip": "172.18.0.1/16" -} -EOF - -run_root update-initramfs -u - -kernel_path= -for candidate in /mnt/boot/vmlinuz-[0-9]*; do - [ -e "$candidate" ] || continue - kernel_path=$candidate - break -done -[ -n "$kernel_path" ] -linuxver=${kernel_path##*/vmlinuz-} - -# Reference partitions by PARTUUID so boot works regardless of how the VMM names -# the disk (vda/sda/nvme...). cmdline is canonical: identical for every boot -# protocol (extlinux here, and -append on the direct path) -- see -# docs/boot-protocol.md. -boot_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p1) -swap_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p2) -root_partuuid=$(blkid -s PARTUUID -o value /dev/nbd0p3) -cmdline="root=PARTUUID=$root_partuuid rw quiet" - -cat >/mnt/boot/extlinux.conf <<EOF -default ubuntu -label ubuntu - linux vmlinuz-$linuxver - initrd initrd.img-$linuxver - append $cmdline -EOF - -cat >>/mnt/etc/fstab <<EOF -PARTUUID=$boot_partuuid /boot ext4 rw,relatime,data=ordered 0 0 -PARTUUID=$swap_partuuid swap swap defaults 0 0 -PARTUUID=$root_partuuid / ext4 rw,relatime,data=ordered 0 0 -EOF - -if [ "$arch" != "amd64" ]; then - # Sidecar kernel/initrd for the linux-boot protocol: there is no - # in-image bootloader on non-amd64, the VMM boots these directly. - cp /mnt/boot/vmlinuz "$out/vmlinuz" - cp /mnt/boot/initrd.img "$out/initrd" -fi - -sync - -# Detach the disk so root.hmi is fully flushed before we hash it, then stop -# the cleanup trap from running a second time on exit. -cleanup -trap : EXIT - -# --- Hule machine configuration (`config.json`) ------------------------------ -# JSON description of the image: the .hmi disk(s), the boot protocols this image -# can honestly be booted with, and the surfaces it exposes. The declaration is a -# promise (see docs/boot-protocol.md); only list what this build produces. -# Self-contained: paths + checksums, no dependency on OCI (layers are transport -# only). Sizes are integer bytes, keys are camelCase, disks referenced by id. -disk_sha=$(sha256sum "$out/root.hmi" | cut -d' ' -f1) -disk_bytes=$(stat -c%s "$out/root.hmi") -virtual_bytes=$((size_gib * 1024 * 1024 * 1024)) -mem_min=$((256 * 1024 * 1024)) -mem_def=$((1024 * 1024 * 1024)) - -case "$arch" in -amd64) - # Legacy BIOS: extlinux inside an MBR-partitioned disk, booted by the - # VMM's BIOS firmware (e.g. SeaBIOS). Self-bootable, no external inputs. - protocols=$( - cat <<JSON - { - "protocol": "firmware-disk/bios", - "disk": "root" - } -JSON - ) - ;; -*) - # No in-image bootloader; the VMM boots the extracted kernel/initrd - # directly and mounts the root disk. cmdline is canonical (boot.cmdline). - kernel_sha=$(sha256sum "$out/vmlinuz" | cut -d' ' -f1) - initrd_sha=$(sha256sum "$out/initrd" | cut -d' ' -f1) - protocols=$( - cat <<JSON - { - "protocol": "linux/direct", - "disk": "root", - "kernel": { "path": "vmlinuz", "digest": "sha256:$kernel_sha" }, - "initrd": { "path": "initrd", "digest": "sha256:$initrd_sha" }, - "cmdline": "$cmdline" - } -JSON - ) - ;; -esac - -cat >"$out/config.json" <<EOF -{ - "schemaVersion": 1, - "kind": "MachineImage", - - "system": { - "os": "linux", - "name": "ubuntu", - "version": "$release", - "architecture": "$arch" - }, - - "machine": { - "cpu": { "minimum": 1, "default": 2 }, - "ram": { "minimum": $mem_min, "default": $mem_def }, - "boot": [ -$protocols - ], - "access": [ - { "type": "ssh", "port": 22, "user": "build", "auth": "empty-password" }, - { "type": "qga" } - ], - "network": { - "mode": "$net_mode", - "address": "$net_address", - "gateway": "$net_gateway" - } - }, - - "disks": [ - { - "id": "root", - "format": "qcow2", - "path": "root.hmi", - "digest": "sha256:$disk_sha", - "virtSize": $virtual_bytes, - "diskSize": $disk_bytes - } - ] -} -EOF diff --git a/mise.lock b/mise.lock deleted file mode 100644 --- a/mise.lock +++ /dev/null @@ -1,48 +0,0 @@ -# @generated - this file is auto-generated by `mise lock` https://mise.jdx.dev/dev-tools/mise-lock.html - -[[tools.rust]] -version = "1.97.1" -backend = "core:rust" - -[tools.rust.options] -components = "clippy,llvm-tools-preview,rustfmt" -profile = "minimal" - -[[tools.shellcheck]] -version = "0.11.0" -backend = "aqua:koalaman/shellcheck" - -[tools.shellcheck."platforms.linux-arm64"] -checksum = "sha256:12b331c1d2db6b9eb13cfca64306b1b157a86eb69db83023e261eaa7e7c14588" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.linux.aarch64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056934" - -[tools.shellcheck."platforms.linux-arm64-musl"] -checksum = "sha256:12b331c1d2db6b9eb13cfca64306b1b157a86eb69db83023e261eaa7e7c14588" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.linux.aarch64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056934" - -[tools.shellcheck."platforms.linux-x64"] -checksum = "sha256:8c3be12b05d5c177a04c29e3c78ce89ac86f1595681cab149b65b97c4e227198" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.linux.x86_64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056942" - -[tools.shellcheck."platforms.linux-x64-musl"] -checksum = "sha256:8c3be12b05d5c177a04c29e3c78ce89ac86f1595681cab149b65b97c4e227198" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.linux.x86_64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056942" - -[tools.shellcheck."platforms.macos-arm64"] -checksum = "sha256:56affdd8de5527894dca6dc3d7e0a99a873b0f004d7aabc30ae407d3f48b0a79" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.darwin.aarch64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056932" - -[tools.shellcheck."platforms.macos-x64"] -checksum = "sha256:3c89db4edcab7cf1c27bff178882e0f6f27f7afdf54e859fa041fca10febe4c6" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.darwin.x86_64.tar.xz" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056930" - -[tools.shellcheck."platforms.windows-x64"] -checksum = "sha256:8a4e35ab0b331c85d73567b12f2a444df187f483e5079ceffa6bda1faa2e740e" -url = "https://github.com/koalaman/shellcheck/releases/download/v0.11.0/shellcheck-v0.11.0.zip" -url_api = "https://api.github.com/repos/koalaman/shellcheck/releases/assets/279056944" diff --git a/mise.toml b/mise.toml deleted file mode 100644 --- a/mise.toml +++ /dev/null @@ -1,17 +0,0 @@ -# SPDX-FileCopyrightText: 2026 Nikolay Govorov -# SPDX-License-Identifier: Apache-2.0 - -min_version = "2026.7.5" - -[settings] -experimental = true - -[tools] -rust = { version = "1.97.1", profile = "minimal", components = [ "clippy", "llvm-tools-preview", "rustfmt" ] } -shellcheck = "0.11.0" - -[task_config] -dir = "{{cwd}}" -includes = [ - "git::https://git.dimidiumlabs.io/platform.git//tasks?ref=e5ca3be4349af3d1da2dde9d1165d52fb014a371", -] |