unkin-agent
970cfad2ee
Replace the packer-images almalinux base with a Dockerfile matrix over distros/, publishing one image per distro to docker-internal on a single repo semver. - bootstrap the internal CA from a sha256-pinned rpm fetched over plain HTTP - install the estate dnf repo configuration pointed at artifactapi - run in-image assertions as a --target test build stage - add pull_request build/test/pre-commit and tag-triggered docker workflows
36 lines
1.4 KiB
Markdown
36 lines
1.4 KiB
Markdown
# container-base
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The estate's base container images, one per distro, replacing what `packer-images`
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built. Published as `artifactapi.k8s.syd1.au.unkin.net/docker-internal/<image>:<version>`
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— the image name is the distro (`almalinux9`), the repo's single semver is the tag.
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| distro | image | from |
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| --- | --- | --- |
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| `alma9` | `almalinux9` | `docker.io/almalinux:9` |
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Each image bootstraps the internal CA, installs the estate dnf repository
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configuration pointed at artifactapi, and installs the base package set.
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## Adding a distro
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1. `distros/<name>/distro.env` — `BASE_IMAGE`, `IMAGE`, `CA_RPM_URL`, `CA_RPM_SHA256`, `PACKAGES`.
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2. `distros/<name>/yum.repos.d/*.repo` — repository configuration for that distro.
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3. One `include` entry in each of `.woodpecker/{build,test,docker}.yaml`.
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`pre-commit.sh` fails if step 3 is forgotten.
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## CA bootstrap
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`unkin-ca-certificates` lives in artifactapi, but the image cannot trust artifactapi
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over HTTPS until it is installed. The package is therefore fetched over plain HTTP and
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checked against `CA_RPM_SHA256` before `rpm -i`; everything after that uses HTTPS. The
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pinned hash is the `pkgid` checksum recorded for the file in the repo's own repodata
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(`repodata/repomd.xml` → `*-primary.xml.gz`).
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## Make
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make build # build every distro
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make test # build the test stage of every distro (assertions run in-image)
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make build-alma9 # one distro
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make patch|minor|major
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