Repo sync #1881
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| name: Azure - Deploy Preview Environment (public) | |
| # NOTE! This is specifically and only for github/docs. | |
| # **What it does**: Build and deploy an Azure preview environment for this PR in github/docs | |
| # **Why we have it**: It's our preview environment deploy mechanism, to docs public repo | |
| # **Who does it impact**: All open source contributors. | |
| # !!! | |
| # ! This worflow has access to secrets, runs in the public repository, and clones untrusted user code. | |
| # ! Modify with extreme caution | |
| # !!! | |
| on: | |
| pull_request_target: | |
| # Note that if someone makes a PR that touches `Dockerfile` | |
| # and `content/index.md`, this use of `paths` will still run. | |
| # It would run even if we appended `- '!Dockerfile'` to the list. | |
| # But if someone makes a PR that touches `Dockerfile` only, the | |
| # workflow will not run. | |
| paths: | |
| - 'content/**' | |
| - 'data/**' | |
| - 'assets/**' | |
| merge_group: | |
| permissions: | |
| contents: read | |
| deployments: write | |
| # This allows one deploy workflow to interrupt another | |
| concurrency: | |
| group: 'preview-env @ ${{ github.head_ref || github.run_id }} for ${{ github.event.number || inputs.PR_NUMBER }}' | |
| cancel-in-progress: true | |
| jobs: | |
| build-and-deploy-azure-preview-public: | |
| name: Build and deploy Azure preview environment (public) | |
| runs-on: ubuntu-latest | |
| # Ensure this is actually a pull request and not a merge group | |
| # If its a merge group, report success without doing anything | |
| # See https://bit.ly/3qB9nZW > If a job in a workflow is skipped due to a conditional, it will report its status as "Success". | |
| if: | | |
| ( | |
| (github.event.pull_request.head.sha) | |
| && (github.event.number || github.run_id) | |
| ) | |
| && github.repository == 'github/docs' | |
| timeout-minutes: 15 | |
| environment: | |
| name: preview-env-${{ github.event.number }} | |
| # The environment variable is computer later in this job in | |
| # the "Get preview app info" step. | |
| # That script sets environment variables which is used by Actions | |
| # to link a PR to a list of environments later. | |
| url: ${{ env.APP_URL }} | |
| env: | |
| PR_NUMBER: ${{ github.event.number || github.run_id }} | |
| COMMIT_REF: ${{ github.event.pull_request.head.sha }} | |
| BRANCH_NAME: ${{ github.head_ref || github.ref_name }} | |
| NONPROD_REGISTRY_USERNAME: ghdocs | |
| steps: | |
| - name: 'Az CLI login' | |
| uses: azure/login@6c251865b4e6290e7b78be643ea2d005bc51f69a # pin @v2 | |
| with: | |
| creds: ${{ secrets.NONPROD_AZURE_CREDENTIALS }} | |
| - name: 'Docker login' | |
| uses: azure/docker-login@15c4aadf093404726ab2ff205b2cdd33fa6d054c | |
| with: | |
| login-server: ${{ secrets.NONPROD_REGISTRY_SERVER }} | |
| username: ${{ env.NONPROD_REGISTRY_USERNAME }} | |
| password: ${{ secrets.NONPROD_REGISTRY_PASSWORD }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db | |
| - name: Check out main branch | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 | |
| with: | |
| ref: 'main' | |
| persist-credentials: 'false' | |
| - name: Get preview app info | |
| env: | |
| APP_NAME_SEED: ${{ secrets.PREVIEW_ENV_NAME_SEED }} | |
| run: src/workflows/get-preview-app-info.sh | |
| - name: 'Set env vars' | |
| run: | | |
| # Image tag is unique to each workflow run so that it always triggers a new deployment | |
| echo "DOCKER_IMAGE=${{ secrets.NONPROD_REGISTRY_SERVER }}/${IMAGE_REPO}:${{ env.COMMIT_REF }}-${{ github.run_number }}-${{ github.run_attempt }}" >> $GITHUB_ENV | |
| - name: Check out user code to temp directory | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 | |
| with: | |
| path: ./user-code | |
| ref: ${{ env.COMMIT_REF }} | |
| # Move acceptable user changes into our main branch checkout | |
| - name: Move acceptable user changes | |
| run: | | |
| # Make sure recursive path expansion is enabled | |
| shopt -s globstar | |
| rsync -rptovR ./user-code/content/./**/*.md ./content | |
| rsync -rptovR ./user-code/assets/./**/*.png ./assets | |
| rsync -rptovR ./user-code/data/./**/*.{yml,md} ./data | |
| - uses: ./.github/actions/warmup-remotejson-cache | |
| with: | |
| restore-only: true | |
| - uses: ./.github/actions/precompute-pageinfo | |
| with: | |
| restore-only: true | |
| # In addition to making the final image smaller, we also save time by not sending unnecessary files to the docker build context | |
| - name: 'Prune for preview env' | |
| run: src/workflows/prune-for-preview-env.sh | |
| - name: 'Build and push image' | |
| uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755 | |
| with: | |
| context: . | |
| push: true | |
| target: preview | |
| tags: ${{ env.DOCKER_IMAGE }} | |
| # we only pull the `main` cache image | |
| cache-from: type=registry,ref=${{ secrets.NONPROD_REGISTRY_SERVER }}/${{ github.repository }}:main-preview | |
| # `main-docker-cache.yml` handles updating the remote cache so we don't pollute it with PR specific code | |
| cache-to: '' | |
| build-args: | | |
| BUILD_SHA=${{ env.COMMIT_REF }} | |
| # Succeed despite any non-zero exit code (e.g. if there is no deployment to cancel) | |
| - name: 'Cancel any existing deployments for this PR' | |
| run: | | |
| az deployment group cancel --name ${{ env.DEPLOYMENT_NAME }} -g ${{ secrets.PREVIEW_ENV_RESOURCE_GROUP }} || true | |
| # Deploy ARM template is idempotent | |
| # Note: once the resources exist the image tag must change for a new deployment to occur (the image tag includes workflow run number, run attempt, as well as sha) | |
| - name: Run ARM deploy | |
| uses: azure/arm-deploy@a1361c2c2cd398621955b16ca32e01c65ea340f5 | |
| with: | |
| scope: resourcegroup | |
| resourceGroupName: ${{ secrets.PREVIEW_ENV_RESOURCE_GROUP }} | |
| subscriptionId: ${{ secrets.NONPROD_SUBSCRIPTION_ID }} | |
| template: ./src/workflows/azure-preview-env-template.json | |
| deploymentName: ${{ env.DEPLOYMENT_NAME }} | |
| parameters: appName="${{ env.APP_NAME }}" | |
| containerImage="${{ env.DOCKER_IMAGE }}" | |
| dockerRegistryUrl="${{ secrets.NONPROD_REGISTRY_SERVER }}" | |
| dockerRegistryUsername="${{ env.NONPROD_REGISTRY_USERNAME }}" | |
| dockerRegistryPassword="${{ secrets.NONPROD_REGISTRY_PASSWORD }}" | |
| - name: Check that it can be reached | |
| # This introduces a necessary delay. Because the preview evironment | |
| # URL is announced to the pull request as soon as all the steps | |
| # finish, what sometimes happens is that a viewer of the PR clicks | |
| # that link too fast and are confronted with a broken page. | |
| # It's because there's a delay between the `azure/arm-deploy` | |
| # and when the server is actually started and can receive and | |
| # process requests. | |
| # By introducing a slight "delay" here we avoid announcing a | |
| # preview environment URL that isn't actually working just yet. | |
| # Note the use of `--fail`. It which means that if it actually | |
| # did connect but the error code was >=400, the command will fail. | |
| # The `--fail --retry N` combination means that a 4xx response | |
| # code will exit immediately but a 5xx will exhaust the retries. | |
| run: curl --fail --retry-connrefused --retry 5 -I ${{ env.APP_URL }} |