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fix: Allow repos that don't have a files/ directory

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Gerald Pinder 2025-06-20 22:48:39 -04:00
parent 2e77fd33d7
commit 5180411545
10 changed files with 352 additions and 10 deletions
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39
.github/workflows/test.yml vendored
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@ -127,6 +127,45 @@ jobs:
COSIGN_PRIVATE_KEY: ${{ secrets.TEST_SIGNING_SECRET }}
run: just test-docker-build
empty-files-build:
timeout-minutes: 60
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
id-token: write
steps:
- name: Maximize build space
uses: ublue-os/remove-unwanted-software@cc0becac701cf642c8f0a6613bbdaf5dc36b259e # v9
- uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # v3.8.2
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
with:
install: true
- uses: actions-rust-lang/setup-rust-toolchain@9d7e65c320fdb52dcd45ffaa68deb6c02c8754d9 # v1.12.0
# Setup repo and add caching
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
persist-credentials: false
fetch-depth: 0
ref: ${{ inputs.ref }}
repository: ${{ inputs.repo }}
- uses: extractions/setup-just@e33e0265a09d6d736e2ee1e0eb685ef1de4669ff # v1
- name: Run Build
env:
GH_TOKEN: ${{ github.token }}
GH_PR_EVENT_NUMBER: ${{ inputs.pr_event_number }}
COSIGN_PRIVATE_KEY: ${{ secrets.TEST_SIGNING_SECRET }}
run: just test-empty-files-build
rechunk-build:
timeout-minutes: 40
runs-on: ubuntu-24.04

3
integration-tests/empty-files-repo/.gitignore vendored Normal file
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@ -0,0 +1,3 @@
cosign.key
cosign.private
/Containerfile

201
integration-tests/empty-files-repo/LICENSE Normal file
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@ -0,0 +1,201 @@
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45
integration-tests/empty-files-repo/README.md Normal file
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@ -0,0 +1,45 @@
# blue-build Image Repo
See the [BlueBuild docs](https://blue-build.org/how-to/setup/) for quick setup instructions for setting up your own repository based on this template.
After setup, it is recommended you update this README to describe your custom image.
## Installation
> **Warning**
> [This is an experimental feature](https://www.fedoraproject.org/wiki/Changes/OstreeNativeContainerStable), try at your own discretion.
To rebase an existing atomic Fedora installation to the latest build:
- First rebase to the unsigned image, to get the proper signing keys and policies installed:
```
rpm-ostree rebase ostree-unverified-registry:cli/blue-build/test-empty-files:latest
```
- Reboot to complete the rebase:
```
systemctl reboot
```
- Then rebase to the signed image, like so:
```
rpm-ostree rebase ostree-image-signed:docker://cli/blue-build/test-empty-files:latest
```
- Reboot again to complete the installation
```
systemctl reboot
```
The `latest` tag will automatically point to the latest build. That build will still always use the Fedora version specified in `recipe.yml`, so you won't get accidentally updated to the next major version.
## ISO
If build on Fedora Atomic, you can generate an offline ISO with the instructions available [here](https://blue-build.org/learn/universal-blue/#fresh-install-from-an-iso). These ISOs cannot unfortunately be distributed on GitHub for free due to large sizes, so for public projects something else has to be used for hosting.
## Verification
These images are signed with [Sigstore](https://www.sigstore.dev/)'s [cosign](https://github.com/sigstore/cosign). You can verify the signature by downloading the `cosign.pub` file from this repo and running the following command:
```bash
cosign verify --key cosign.pub cli/blue-build/test-empty-files
```
Cloned from https://github.com/blue-build/template

4
integration-tests/empty-files-repo/cosign.pub Normal file
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@ -0,0 +1,4 @@
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEgJYNEq43hrKPwWgWah14yBOUjMCd
1eG8hOwIbOTSRq+siTLep8G2m5FSYit/ea+H+0IXZS0ruLdgzoPUI7Babw==
-----END PUBLIC KEY-----

0
integration-tests/empty-files-repo/modules/.gitkeep Normal file
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39
integration-tests/empty-files-repo/recipes/recipe.yml Normal file
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@ -0,0 +1,39 @@
---
# yaml-language-server: $schema=https://schema.blue-build.org/recipe-v1.json
# image will be published to ghcr.io/<user>/<name>
name: test-empty-files
# description will be included in the image's metadata
description: Empty files test
# the base image to build on top of (FROM) and the version tag to use
base-image: ghcr.io/ublue-os/silverblue-main
image-version: 42 # latest is also supported if you want new updates ASAP
# module configuration, executed in order
# you can include multiple instances of the same module
modules:
- type: rpm-ostree
repos:
- https://copr.fedorainfracloud.org/coprs/atim/starship/repo/fedora-%OS_VERSION%/atim-starship-fedora-%OS_VERSION%.repo
install:
- micro
- starship
remove:
# example: removing firefox (in favor of the flatpak)
# "firefox" is the main package, "firefox-langpacks" is a dependency
- firefox
- firefox-langpacks # also remove firefox dependency (not required for all packages, this is a special case)
- type: default-flatpaks
notify: true # Send notification after install/uninstall is finished (true/false)
system:
# If no repo information is specified, Flathub will be used by default
install:
- org.mozilla.firefox
- org.gnome.Loupe
remove:
- org.gnome.eog
user: {} # Also add Flathub user repo, but no user packages
- type: signing # this sets up the proper policy & signing files for signed images to work fully

12
justfile
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@ -134,7 +134,7 @@ cargo_bin := if env('CARGO_HOME', '') != '' {
}
# Run all integration tests
integration-tests: test-docker-build test-arm64-build test-podman-build test-buildah-build test-generate-iso-image test-generate-iso-recipe
integration-tests: test-docker-build test-empty-files-build test-arm64-build test-podman-build test-buildah-build test-generate-iso-image test-generate-iso-recipe
# Run docker driver integration test
test-docker-build: install-debug-all-features
@ -148,6 +148,16 @@ test-docker-build: install-debug-all-features
-vv \
recipes/recipe.yml recipes/recipe-gts.yml
test-empty-files-build: install-debug-all-features
cd integration-tests/empty-files-repo \
&& bluebuild build \
--retry-push \
-B docker \
-I docker \
-S sigstore \
{{ should_push }} \
-vv
test-rechunk-build: install-debug-all-features
cd integration-tests/test-repo \
&& bluebuild build \

6
template/templates/Containerfile.j2
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@ -8,10 +8,10 @@ FROM {{ recipe.base_image }}@{{ base_digest }} AS {{ main_stage }}
ARG RECIPE={{ recipe_path.display() }}
ARG IMAGE_REGISTRY={{ registry }}
{%- if self::files_dir_exists() %}
ARG CONFIG_DIRECTORY="/tmp/files"
{%- else if self::config_dir_exists() %}
{%- if self::config_dir_exists() %}
ARG CONFIG_DIRECTORY="/tmp/config"
{%- else %}
ARG CONFIG_DIRECTORY="/tmp/files"
{%- endif %}
ARG MODULE_DIRECTORY="/tmp/modules"
ARG IMAGE_NAME="{{ recipe.name }}"

13
template/templates/stages.j2
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@ -4,10 +4,12 @@
{%- if self::files_dir_exists() %}
FROM scratch AS stage-files
COPY ./files /files
{%~ else if self::config_dir_exists() %}
{%- else if self::config_dir_exists() %}
FROM scratch AS stage-config
COPY ./config /config
{%- else %}
FROM scratch AS stage-files
WORKDIR /files
{% endif %}
{%~ if self::modules_exists() %}
@ -43,7 +45,6 @@ COPY cosign.pub /keys/{{ recipe.name|replace('/', "_") }}.pub
{%- include "modules/akmods/akmods.j2" %}
{%- set files_dir_exists = self::files_dir_exists() %}
{%~ if let Some(stages_ext) = recipe.stages_ext %}
{%- for stage in stages_ext.stages %}
{%- if let Some(stage) = stage.required_fields %}
@ -64,10 +65,10 @@ RUN --mount=type=bind,from=stage-bins,src=/bins/,dst=/tmp/bins/ \
--mount=type=bind,from={{ build_scripts_image }},src=/scripts/,dst=/tmp/scripts/ \
/tmp/scripts/setup.sh
{%- if files_dir_exists %}
ARG CONFIG_DIRECTORY="/tmp/files"
{%- else %}
{%- if self::config_dir_exists() %}
ARG CONFIG_DIRECTORY="/tmp/config"
{%- else %}
ARG CONFIG_DIRECTORY="/tmp/files"
{%- endif %}
ARG MODULE_DIRECTORY="/tmp/modules"