118 lines
4.9 KiB
Markdown
118 lines
4.9 KiB
Markdown
# Configuring CI Using Azure Pipelines and Nx
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Below is an example of an Azure Pipelines setup for an Nx workspace - building and testing only what is affected.
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{% callout type="note" title="Check your Shallow Fetch settings" %}
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Nx needs additional Git history available for `affected` to function correctly. Make sure Shallow fetching is disabled in your pipeline settings UI. For more info, check out this article from Microsoft [here](https://learn.microsoft.com/en-us/azure/devops/pipelines/yaml-schema/steps-checkout?view=azure-pipelines#shallow-fetch).
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{% /callout %}
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Unlike `GitHub Actions` and `CircleCI`, you don't have the metadata to help you track the last successful run on `main`. In the example below, the base is set to `HEAD~1` (for push) or branching point (for pull requests), but a more robust solution would be to tag an SHA in the main job once it succeeds and then use this tag as a base. You can also try [using the devops CLI within the pipeline yaml](/recipes/other/azure-last-successful-commit). See the [nx-tag-successful-ci-run](https://github.com/nrwl/nx-tag-successful-ci-run) and [nx-set-shas](https://github.com/nrwl/nx-set-shas) (version 1 implements tagging mechanism) repositories for more information.
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{% callout type="note" title="Tracking the origin branch" %}
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If you're using this action in the context of a branch you may need to add `run: "git branch --track main origin/main"` before running the `nx affected` command since `origin/main` won't exist.
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{% /callout %}
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We also have to set `NX_BRANCH` explicitly. NX_BRANCH does not impact the functionality of your runs, but does provide a human-readable label to easily identify them in the Nx Cloud app.
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```yaml
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trigger:
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- main
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pr:
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- main
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variables:
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CI: 'true'
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${{ if eq(variables['Build.Reason'], 'PullRequest') }}:
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NX_BRANCH: $(System.PullRequest.PullRequestId) # You can use $(System.PullRequest.PullRequestNumber if your pipeline is triggered by a PR from GitHub ONLY)
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TARGET_BRANCH: $[replace(variables['System.PullRequest.TargetBranch'],'refs/heads/','origin/')]
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${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
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NX_BRANCH: $(Build.SourceBranchName)
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HEAD_SHA: $(git rev-parse HEAD)
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jobs:
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- job: main
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pool:
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vmImage: 'ubuntu-latest'
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steps:
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# Set Azure Devops CLI default settings
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- bash: az devops configure --defaults organization=$(System.TeamFoundationCollectionUri) project=$(System.TeamProject)
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displayName: 'Set default Azure DevOps organization and project'
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# Get last successfull commit from Azure Devops CLI
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- bash: |
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LAST_SHA=$(az pipelines build list --branch $(Build.SourceBranchName) --definition-ids $(System.DefinitionId) --result succeeded --top 1 --query "[0].triggerInfo.\"ci.sourceSha\"")
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if [ -z "$LAST_SHA" ]
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then
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LAST_SHA=$DEFAULT_BASE_SHA
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fi
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echo "Last successful commit SHA: $LAST_SHA"
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echo "##vso[task.setvariable variable=BASE_SHA]$LAST_SHA"
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displayName: 'Get last successful commit SHA'
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env:
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AZURE_DEVOPS_EXT_PAT: $(System.AccessToken)
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- script: npm ci
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- script: npx nx format:check --base=$(BASE_SHA)
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- script: npx nx affected --base=$(BASE_SHA) -t lint --parallel=3
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- script: npx nx affected --base=$(BASE_SHA) -t test --parallel=3 --configuration=ci
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- script: npx nx affected --base=$(BASE_SHA) -t build --parallel=3
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```
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The `main` job implements the CI workflow.
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{% nx-cloud-section %}
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## Distributed CI with Nx Cloud
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Read more about [Distributed Task Execution (DTE)](/core-features/distribute-task-execution).
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```yaml
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trigger:
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- main
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pr:
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- main
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variables:
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CI: 'true'
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${{ if eq(variables['Build.Reason'], 'PullRequest') }}:
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NX_BRANCH: $(System.PullRequest.PullRequestNumber)
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TARGET_BRANCH: $[replace(variables['System.PullRequest.TargetBranch'],'refs/heads/','origin/')]
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BASE_SHA: $(git merge-base $(TARGET_BRANCH) HEAD)
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${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
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NX_BRANCH: $(Build.SourceBranchName)
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BASE_SHA: $(git rev-parse HEAD~1)
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HEAD_SHA: $(git rev-parse HEAD)
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jobs:
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- job: agents
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strategy:
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parallel: 3
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displayName: Nx Cloud Agent
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pool:
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vmImage: 'ubuntu-latest'
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steps:
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- script: npm ci
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- script: npx nx-cloud start-agent
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- job: main
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displayName: Nx Cloud Main
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pool:
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vmImage: 'ubuntu-latest'
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steps:
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- script: npm ci
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- script: npx nx-cloud start-ci-run --stop-agents-after="build"
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- script: npx nx-cloud record -- npx nx format:check --base=$(BASE_SHA) --head=$(HEAD_SHA)
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- script: npx nx affected --base=$(BASE_SHA) --head=$(HEAD_SHA) -t lint --parallel=3 & npx nx affected --base=$(BASE_SHA) --head=$(HEAD_SHA) -t test --parallel=3 --configuration=ci & npx nx affected --base=$(BASE_SHA) --head=$(HEAD_SHA) -t build --parallel=3
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```
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You can also use our [ci-workflow generator](/packages/workspace/generators/ci-workflow) to generate the pipeline file.
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{% /nx-cloud-section %}
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