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Merge pull request #1963 from rackerlabs/feat/ironic-hardware-exporter-states
feat(ironic): Add node state metrics from versioned notifications
2 parents 4318eef + 3ab4a72 commit 95d6c06

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‎.github/workflows/build-ironic-hardware-exporter.yaml‎

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---
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name: build-ironic-hardware-exporter-images
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on:
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workflow_dispatch:
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inputs:
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version:
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description: 'Release version (X.Y.Z, without the v prefix)'
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required: true
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type: string
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push:
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tags:
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- "ironic-hardware-exporter/v*"
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paths:
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- "go/ironic-hardware-exporter/**"
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jobs:
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build-ironic-hardware-exporter:
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runs-on: ubuntu-latest
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permissions:
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packages: write
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contents: write
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id-token: write
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outputs:
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version: ${{ steps.extract_tag.outputs.tag }}
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steps:
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- name: Checkout
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uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
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with:
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fetch-depth: 0
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- name: Install Go
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uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6
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with:
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go-version: '1.25'
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cache: true
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cache-dependency-path: 'go/ironic-hardware-exporter/go.sum'
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- name: Install syft
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uses: anchore/sbom-action/download-syft@57aae528053a48a3f6235f2d9461b05fbcb7366d # v0.23.1
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- name: Install Cosign
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uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
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- name: Set up QEMU
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uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4
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- name: Login to ghcr.io
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uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
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with:
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registry: "ghcr.io"
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Validate tag format
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if: github.event_name != 'workflow_dispatch'
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run: |
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if [[ ! "$GITHUB_REF" =~ ^refs/tags/ironic-hardware-exporter/v[0-9]+\.[0-9]+\.[0-9]+ ]]; then
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echo "Invalid tag: $GITHUB_REF — expected refs/tags/ironic-hardware-exporter/vX.Y.Z"
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exit 1
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fi
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- name: Validate version input
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if: github.event_name == 'workflow_dispatch'
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run: |
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if [[ ! "${{ inputs.version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
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echo "Invalid version: ${{ inputs.version }} — expected X.Y.Z"
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exit 1
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fi
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- name: Extract release version
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id: extract_tag
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run: |
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if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
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echo "tag=${{ inputs.version }}" >> $GITHUB_OUTPUT
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else
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echo "tag=${GITHUB_REF_NAME#ironic-hardware-exporter/v}" >> $GITHUB_OUTPUT
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fi
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- name: Run GoReleaser
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uses: goreleaser/goreleaser-action@e435ccd777264be153ace6237001ef4d979d3a7a # v6
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with:
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distribution: goreleaser
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version: "~> v2"
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args: release --clean --skip=validate
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workdir: go/ironic-hardware-exporter
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env:
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GIT_REPO: ${{ github.repository }}
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RELEASE_VERSION: ${{ steps.extract_tag.outputs.tag }}
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GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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chart:
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runs-on: ubuntu-latest
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needs:
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- build-ironic-hardware-exporter
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steps:
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- name: Checkout repository
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uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
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- name: Log in to ghcr.io
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uses: docker/login-action@b45d80f862d83dbcd57f89517bcf500b2ab88fb2 # v4
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with:
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registry: ghcr.io
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username: '${{ github.actor }}'
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password: '${{ secrets.GITHUB_TOKEN }}'
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- name: Package and push Helm chart
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working-directory: go/ironic-hardware-exporter
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env:
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PKG_VER: '${{ needs.build-ironic-hardware-exporter.outputs.version }}'
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run: |
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yq -i ".version = \"${PKG_VER}\"" helm/Chart.yaml
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yq -i ".appVersion = \"${PKG_VER}\"" helm/Chart.yaml
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yq helm/Chart.yaml
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helm package -u -d ${{ github.workspace }} helm
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helm push ${{ github.workspace }}/ironic-hardware-exporter-${PKG_VER}.tgz \
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oci://ghcr.io/${GITHUB_REPOSITORY_OWNER}/charts

‎go/ironic-hardware-exporter/.dockerignore‎

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# compiled binary
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/ironic-hardware-exporter
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bin/
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dist/
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# test output
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*.test
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*.out
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# local dev harness
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local/
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# docs
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*.md
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ARCHITECTURE.md
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# editor and IDE
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.idea/
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.vscode/
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*.swp
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*.swo
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*~

‎go/ironic-hardware-exporter/.gitignore‎

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# compiled binary
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/ironic-hardware-exporter
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# test and coverage output
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*.test
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*.out
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cover.out
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# build artifacts
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bin/
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dist/
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# Go workspace
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go.work
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vendor/
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# editor and IDE
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.idea/
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.vscode/
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*.swp
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*.swo
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*~

‎go/ironic-hardware-exporter/.goreleaser.Dockerfile‎

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FROM gcr.io/distroless/base-debian12:nonroot
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COPY --chmod=555 ironic-hardware-exporter /usr/local/bin/ironic-hardware-exporter
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USER 65532:65532
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ENTRYPOINT ["/usr/local/bin/ironic-hardware-exporter"]

‎go/ironic-hardware-exporter/.goreleaser.yaml‎

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project_name: "ironic-hardware-exporter"
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version: 2
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before:
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hooks:
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- go mod tidy
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env:
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- RELEASE_VERSION={{ .Env.RELEASE_VERSION }}
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- GIT_REPO={{ .Env.GIT_REPO }}
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release:
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name_template: "ironic-hardware-exporter v{{ .Env.RELEASE_VERSION }}"
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builds:
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- main: main.go
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dir: ./cmd
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binary: ironic-hardware-exporter
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goos: ["linux"]
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goarch: ["amd64", "arm64"]
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flags:
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- -trimpath
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ldflags:
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- -s
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- -w
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- -X main.version={{.Version}}
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- -X main.commit={{.ShortCommit}}
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env:
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- CGO_ENABLED=0
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changelog:
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disable: true
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dockers:
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- skip_push: false
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use: buildx
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dockerfile: .goreleaser.Dockerfile
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image_templates:
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-amd64
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build_flag_templates:
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- --platform=linux/amd64
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- --label=org.opencontainers.image.version={{ .Env.RELEASE_VERSION }}
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- --label=org.opencontainers.image.revision={{ .Commit }}
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- --label=org.opencontainers.image.title={{ .ProjectName }}
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- --label=org.opencontainers.image.created={{ .Date }}
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- --label=org.opencontainers.image.description=Prometheus exporter for Ironic bare-metal hardware metrics
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- --label=org.opencontainers.image.vendor=rackspace
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- --label=org.opencontainers.image.licenses=Apache License 2.0
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- --label=org.opencontainers.image.source=https://rackspace.com/
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- --label=org.opencontainers.image.authors=Rackspace
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- skip_push: false
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goarch: arm64
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use: buildx
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dockerfile: .goreleaser.Dockerfile
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image_templates:
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-arm64
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build_flag_templates:
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- --platform=linux/arm64
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- --label=org.opencontainers.image.version={{ .Env.RELEASE_VERSION }}
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- --label=org.opencontainers.image.revision={{ .Commit }}
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- --label=org.opencontainers.image.title={{ .ProjectName }}
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- --label=org.opencontainers.image.created={{ .Date }}
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- --label=org.opencontainers.image.description=Prometheus exporter for Ironic bare-metal hardware metrics
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- --label=org.opencontainers.image.vendor=rackspace
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- --label=org.opencontainers.image.licenses=Apache License 2.0
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- --label=org.opencontainers.image.source=https://rackspace.com/
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- --label=org.opencontainers.image.authors=Rackspace
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docker_manifests:
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- name_template: ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}
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image_templates:
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-amd64
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-arm64
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- name_template: ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:latest
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image_templates:
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-amd64
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- ghcr.io/{{ .Env.GIT_REPO }}/{{ .ProjectName }}:{{ .Env.RELEASE_VERSION }}-arm64
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signs:
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- cmd: cosign
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signature: "${artifact}.sigstore.json"
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output: true
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artifacts: checksum
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args:
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- sign-blob
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- "--bundle=${signature}"
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- "${artifact}"
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- --yes
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docker_signs:
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- cmd: cosign
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artifacts: manifests
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output: true
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args:
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- "sign"
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- "--oidc-provider=github-actions"
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- "${artifact}@${digest}"
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- --yes

‎go/ironic-hardware-exporter/Dockerfile‎

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FROM golang:1.25 AS builder
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ARG TARGETOS
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ARG TARGETARCH
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WORKDIR /workspace
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COPY go.mod go.mod
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COPY go.sum go.sum
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RUN go mod download
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COPY cmd/ cmd/
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COPY internal/ internal/
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# the GOARCH has not a default value to allow the binary be built according to the host where the command
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# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
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# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
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# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
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RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o ironic-hardware-exporter cmd/main.go
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FROM gcr.io/distroless/static:nonroot
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WORKDIR /
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COPY --from=builder /workspace/ironic-hardware-exporter .
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USER 65532:65532
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ENTRYPOINT ["/ironic-hardware-exporter"]

‎go/ironic-hardware-exporter/Makefile‎

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BINARY := ironic-hardware-exporter
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CMD := ./cmd
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IMG ?= ironic-hardware-exporter:dev
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CONTAINER_TOOL ?= docker
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GOLANGCI_LINT ?= golangci-lint
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.PHONY: all
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all: build
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.PHONY: help
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help: ## Display this help.
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@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf " \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
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##@ Development
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.PHONY: fmt
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fmt: ## Run go fmt against code.
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go fmt ./...
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.PHONY: vet
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vet: ## Run go vet against code.
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go vet ./...
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.PHONY: test
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test: fmt vet ## Run tests.
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GOCACHE=/tmp/gocache go test ./...
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.PHONY: test-race
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test-race: ## Run tests with the race detector.
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go test -race ./...
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.PHONY: lint
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lint: ## Run golangci-lint.
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$(GOLANGCI_LINT) run ./...
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.PHONY: lint-fix
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lint-fix: ## Run golangci-lint and apply fixes.
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$(GOLANGCI_LINT) run --fix ./...
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##@ Build
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.PHONY: build
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build: fmt vet ## Build the binary.
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go build -o $(BINARY) $(CMD)
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.PHONY: run
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run: fmt vet ## Run the service locally (requires RABBITMQ_PASSWORD).
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go run $(CMD)/main.go
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.PHONY: docker-build
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docker-build: ## Build the container image.
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$(CONTAINER_TOOL) build -t $(IMG) .
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.PHONY: docker-push
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docker-push: ## Push the container image.
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$(CONTAINER_TOOL) push $(IMG)

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