USHIFT-4304: Rework image mode documentation for source builds - #7271
USHIFT-4304: Rework image mode documentation for source builds#7271copejon wants to merge 6 commits into
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@copejon: This pull request references USHIFT-4304 which is a valid jira issue. Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "5.1.0" version, but no target version was set. DetailsIn response to this:
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WalkthroughThe change adds a RHEL 9.8 source-built MicroShift bootc image and updates user, contributor, and CI documentation for the new build, deployment, image naming, repository, and external publishing procedures. ChangesSource-built bootc workflow
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟠 High · up to The source-build image path currently passes a password through a build argument, disables signature verification for dependency packages, and defaults arm64 builds to an x86_64 dependency repository. These changes can expose credentials, admit unverified packages, or break architecture-specific builds, so the PR is not merge-ready until these issues and the remaining containerfile and documentation findings are fixed. 🚥 Pre-merge checks | ✅ 15✅ Passed checks (15 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (6 skipped: 6 unsupported.) Full details: Stable And Deterministic Test NamesExplanation PASS — The pull request changes only six documentation/Containerfile paths. The full diff from base Full details: Test Structure And QualityExplanation PASS: The PR changes only six documentation/container-build files. The diff from the merge base contains no Go files, Ginkgo tests, or test-framework constructs such as Full details: Microshift Test CompatibilityExplanation PASS: The complete PR diff from the merge base changes only six documentation and Containerfile files. It adds or modifies no Ginkgo e2e test files or declarations, and no listed unsupported MicroShift APIs, namespaces, or assumptions appear in added content. The compatibility check is therefore not applicable. Full details: Single Node Openshift (Sno) Test CompatibilityExplanation PASS: The PR changes only six documentation and Containerfile paths: no Go, JavaScript, TypeScript, or other Ginkgo test files were added or modified. The complete diff against origin/main contains no added It(), Describe(), Context(), or When() declarations and no added SNO or multi-node test logic. Therefore the SNO test compatibility check is not applicable. Full details: Topology-Aware Scheduling CompatibilityExplanation PASS — The pull request changes only documentation and two Containerfiles. The exact diff contains no YAML/JSON manifests, Go operator/controller code, or Kubernetes scheduling fields such as affinity, topology spread, replicas, node selectors, tolerations, or PDB settings. The new systemd unit and podman commands do not introduce Kubernetes scheduling constraints, so this check is not applicable. Full details: Ote Binary Stdout ContractExplanation PASS — The pull request changes only six documentation/Containerfile files relative to origin/main. The diff contains zero Go files and no OTE binary, main/suite setup, klog, or stdout-writing code. Containerfile shell commands are outside the custom check’s process-level OTE scope. Full details: Ipv6 And Disconnected Network Test CompatibilityExplanation PASS — The pull request changes only documentation and Containerfiles. The full diff from Full details: No-Weak-CryptoExplanation PASS: The PR adds no MD5, SHA1, DES, RC4, 3DES, Blowfish, or ECB usage, and adds no custom cryptographic implementation. The new Containerfile only passes a user password to Full details: Container-PrivilegesExplanation No custom-check failure was introduced. The PR changes only documentation and two Containerfiles; it adds no Kubernetes or container manifest fields for Full details: No-Sensitive-Data-In-LogsExplanation No changed code logs sensitive values. The new Containerfile uses ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@docs/config/Containerfile.bootc-source-rhel9`:
- Around line 20-23: Replace the broad COPY . instruction with explicit copies
of only the architecture-specific RPM directory, noarch, and repodata required
by DNF, or use an equivalent minimal staged repository context; keep the
resulting repository available under /tmp/microshift-local without including
unrelated files.
- Around line 49-55: Replace the USER_PASSWD ARG flow in
docs/config/Containerfile.bootc-source-rhel9:49-55 with a supported build-secret
mount, reading the password only during the useradd/chpasswd step and retaining
mandatory-secret validation. Update the documented build commands in
docs/user/image_mode.md:109-125 and docs/contributor/image_mode.md:165-178 to
use the matching secret option instead of --build-arg.
- Around line 39-41: Update the dependency installation flow around the
openshift-deps repository to preserve GPG signature verification: import the
signing key matching DEPS_REPO_URL and remove the gpgcheck=0 override, leaving
verification enabled for public dependencies. Only retain a disabled-check
exception if it is explicitly and narrowly documented as trusted
development-only behavior.
- Line 1: Update the Containerfile around the FROM declaration to document
approved exceptions for bootc ignoring USER and HEALTHCHECK, and address the
single-FROM build rule by adding multi-stage separation or documenting its
approved exception. Keep the base image and intended bootc behavior unchanged.
In `@docs/contributor/image_mode.md`:
- Around line 171-178: Update the podman build command to pass an
architecture-specific DEPS_REPO_URL build argument: use the aarch64 repository
when IMAGE_ARCH is arm64, while retaining the default x86_64 repository for
other architectures.
In `@docs/user/image_mode.md`:
- Around line 12-26: Remove the blank lines within the blockquoted section of
image_mode.md so the quoted content remains continuous and passes Markdownlint
MD028; preserve the existing text and links.
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📒 Files selected for processing (6)
docs/config/Containerfile.bootc-rhel9docs/config/Containerfile.bootc-source-rhel9docs/contributor/image_mode.mddocs/contributor/layered_product_ci.mddocs/user/README.mddocs/user/image_mode.md
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The in-repo image mode docs duplicated ~5 sections of the openshift-docs "Installing with RHEL image mode" book and, like that book, built MicroShift from the released rhocp repositories. They therefore neither supplemented nor differed from the source of truth, and targeted the wrong audience: readers of docs/ deploy MicroShift built from source, not from released RPMs. Rework the docs so openshift-docs remains the source of truth for the released flow and the in-repo docs cover only source builds: - Add docs/config/Containerfile.bootc-source-rhel9, which installs MicroShift from a local repo of `make rpm` output and pulls cri-o/cri-tools/ openshift-clients/openvswitch from the OpenShift dependencies beta mirror (not available in released rhocp for a pre-release source build). Validated by building the image and running it as a podman container until all MicroShift pods reached Running. - docs/user/image_mode.md: retitle to "(from source)"; document make rpm -> createrepo_c -> source Containerfile; link to openshift-docs for publish/ kickstart/VM instead of duplicating them; keep BIB and embedding/offline flows (absent from openshift-docs), retargeted to the source image. - docs/contributor/image_mode.md: point the podman-run dev loop and multi-arch build at the source image; fix broken #build-image/#publish-image links. - docs/contributor/layered_product_ci.md: repoint build/publish links to openshift-docs; fix schemeless mirror.openshift.com links. - Fix defects from the version bump: fd01::/48w -> fd01::/48, el9_4 -> el9_8 kernel example, and reword the nonsensical "9.8 to 9.8" dnf upgrade note. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…FT-4304) - Correct the openshift-docs version note to reflect the /latest/ links (it still said the links were pinned to 4.19 after they were changed) - Fix the BIB ISO path in prose to match the command (./output/bootiso/install.iso) - Reference the in-repo Containerfile.bootc-embedded-rhel9 instead of curling it from GitHub main, and correct the mismatched link text - Normalize SUDO -> sudo Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Accepted after review: - docs/contributor/image_mode.md:171: pass an architecture-specific DEPS_REPO_URL in the multi-arch build example so an arm64 build installs aarch64 dependencies instead of silently falling back to the x86_64 default. Co-Authored-By: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com> Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Replace ARG USER_PASSWD with --mount=type=secret to prevent password exposure in image metadata and build logs. Update all three locations: - docs/config/Containerfile.bootc-source-rhel9: Use secret mount - docs/user/image_mode.md: Update build command to use --secret - docs/contributor/image_mode.md: Update build command to use --secret Addresses CodeRabbit security finding from PR openshift#7271. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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USHIFT-4304: Rework image mode documentation for source builds
Reworks the in-repo image mode docs so they cover deploying MicroShift from the latest source code via bootc image mode, and delegate the shared publish / kickstart / VM steps to the authoritative openshift-docs instead of duplicating them.
JIRA: https://issues.redhat.com/browse/USHIFT-4304
What changed
docs/config/Containerfile.bootc-source-rhel9— builds a bootc image from locally-built source RPMs (make rpm→createrepo_c→ a localfile://repo). Non-RHEL runtime dependencies (cri-o, cri-tools, openshift-clients, openvswitch) come from the OpenShift dependencies mirror that matches the source tree (RHOCP_MINOR_Y_BETAintest/bin/common_versions.sh). It does not enablerhocp/fast-datapath, since those carry released RPMs, not source.docs/user/image_mode.md— retitled "Image Mode for MicroShift (from source)". Adds the build-from-source recipe, delegates publish/kickstart/VM to openshift-docs, and keeps the topics unique to source/offline users: bootc-image-builder (BIB) self-contained ISO, embedding container images for offline installs, and the isolated libvirt network.docs/contributor/image_mode.md— contributor dev loop against the source image: configure CNI/CSI, run as a privileged podman container, verify pods; plus the multi-arch manifest and rpm-ostree → image-mode upgrade appendices.docs/config/Containerfile.bootc-rhel9(released-RPM variant) bumped to RHEL 9.8 / MicroShift 4.22.installing_with_image_mode_for_rhelusing the version-proof/latest/path (no hardcoded version).hadolint ignore=SC1091directive in the source Containerfile so it covers the correctRUN, and aligned mismatched openshift-docs link text between the user and contributor docs.Verification
make verifypasses (includes the containerfile hadolint check viaghcr.io/hadolint/hadolint:2.12.0).5.0-el9-betadeps mirror) reconciled againsttest/bin/common_versions.sh.pkg/config, no rebase-managed files (vendor/,deps/,assets/,pkg/release/*, Makefile version vars); not a new optional component.🤖 Generated with Claude Code
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