Build kubectl image #138
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| name: Build kubectl image | |
| on: | |
| schedule: | |
| # This will run the job daily at 00:13 UTC | |
| - cron: "13 0 * * *" | |
| workflow_dispatch: | |
| env: | |
| REGISTRY: ghcr.io | |
| REGCTL_VERSION: v0.5.7 | |
| SEMVER_VERSION: 3.4.0 | |
| defaults: | |
| run: | |
| shell: bash | |
| jobs: | |
| prepare-matrix: | |
| name: Prepare matrix | |
| runs-on: ubuntu-latest | |
| outputs: | |
| matrix: ${{ steps.prepare-matrix.outputs.matrix }} | |
| build: ${{ steps.prepare-matrix.outputs.build }} | |
| repository: ${{ steps.prepare-repository-name.outputs.repository }} | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Setup regctl | |
| uses: regclient/actions/regctl-installer@main | |
| with: | |
| release: ${{ env.REGCTL_VERSION }} | |
| install-dir: ${{ runner.temp }}/bin | |
| - name: Setup semver | |
| uses: sap/cs-actions/setup-semver@main | |
| with: | |
| version: ${{ env.SEMVER_VERSION }} | |
| install-directory: ${{ runner.temp }}/bin | |
| - name: Prepare repository name | |
| id: prepare-repository-name | |
| run: | | |
| repository=$REGISTRY/${{ github.repository }} | |
| echo "repository=${repository,,}" >> $GITHUB_OUTPUT | |
| - name: Log in to the registry | |
| run: | | |
| regctl registry login $REGISTRY --user ${{ github.actor }} --pass-stdin <<< ${{ github.token }} | |
| - name: Fetch k8s versions | |
| id: fetch-k8s-versions | |
| run: | | |
| page=1 | |
| while true; do | |
| release_info=$(curl \ | |
| --silent \ | |
| --header "Accept: application/vnd.github+json" \ | |
| --header "Authorization: Bearer ${{ github.token }}" \ | |
| --header "X-GitHub-Api-Version: 2022-11-28" \ | |
| "https://api.github.com/repos/kubernetes/kubernetes/tags?page=${page}&per_page=100" | |
| ) | |
| tag_names=$(echo "${release_info}" | grep "name" | awk '{ print substr($2, 2, length($2)-3) }') | |
| [[ "${tag_names}" == "" ]] && break | |
| tag_names=$(echo "$tag_names" | grep -vE 'alpha|beta|rc') | |
| echo "${tag_names}" | awk '/^v1\.[2-9][6-9]\..*/||/^v[2-9]\..*/' | sort -V >> k8s_released_versions.txt | |
| sed -i '/^$/d' k8s_released_versions.txt | |
| ((page=page+1)) | |
| done | |
| shell: bash {0} | |
| - name: Fetch built versions | |
| id: fetch-built-versions | |
| run: | | |
| regctl tag list ${{ steps.prepare-repository-name.outputs.repository }} | sort -V > gh_com_tags.txt | |
| - name: Print unbuilt versions and prepare matrix | |
| id: prepare-matrix | |
| run: | | |
| unbuilt_versions=$(comm -23 <(sort k8s_released_versions.txt) <(sort gh_com_tags.txt) | tr '\n' ',' | sed 's/,$//') | |
| if [[ "${unbuilt_versions}" == "" ]] | |
| then | |
| echo "All the released k8s versions were built already" | |
| exit 0 | |
| else | |
| echo "Unbuilt versions: $unbuilt_versions" | |
| echo "matrix={\"k8s-version\":[$(echo $unbuilt_versions | sed 's/\([^,]*\)/"\1"/g')]}" >> $GITHUB_OUTPUT | |
| echo "build=true" >> $GITHUB_OUTPUT | |
| fi | |
| build-image: | |
| name: Build image | |
| if: needs.prepare-matrix.outputs.build == 'true' | |
| needs: prepare-matrix | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: ${{fromJson(needs.prepare-matrix.outputs.matrix)}} | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Setup Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log in to the Container registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ github.token }} | |
| - name: Build and push docker image | |
| uses: docker/build-push-action@v5 | |
| with: | |
| platforms: linux/amd64,linux/arm64 | |
| context: . | |
| file: ./Dockerfile | |
| tags: ${{ needs.prepare-matrix.outputs.repository }}:${{ matrix['k8s-version'] }} | |
| cache-from: | | |
| type=gha,scope=sha-${{ github.sha }} | |
| type=gha,scope=${{ github.ref_name }} | |
| type=gha,scope=${{ github.base_ref || 'main' }} | |
| type=gha,scope=main | |
| cache-to: | | |
| type=gha,scope=sha-${{ github.sha }},mode=max | |
| type=gha,scope=${{ github.ref_name }},mode=max | |
| build-args: "KUBECTL_VERSION=${{ matrix['k8s-version'] }}" | |
| push: true |