.vsts.release.yml

schedules:
- cron: '0 6 * * 2'
  displayName: Scheduled weekly run
  branches:
    include:
    - master

parameters:
- name: version
  type: string
  displayName: Version
  default: 'NotSet'
- name: derivedFrom
  type: string
  displayName: Derived From Version
  default: latest
- name: skipTests
  type: boolean
  default: false
  displayName: Skip Tests
# buildStageOnly is useful for testing changes of the build stage which cannot be tested
# in the ci project, like signing, without actually doing a release
- name: buildStageOnly
  type: boolean
  default: false
  displayName: Build Stage Only

- name: onlyGitHubRelease
  type: boolean
  default: false
  displayName: Release only for GitHub

- name: testProxyAgent
  type: boolean
  default: true
  displayName: Test Proxy Agent

extends:
  template: .azure-pipelines/pipeline.yml
  parameters:
    branch:  $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.releaseBranch'] ]
    componentDetection: false
    test: ${{ not(parameters.skipTests) }}
    sign: true
    publishArtifacts: true
    testProxyAgent: ${{ parameters.testProxyAgent }}
    stageDependencies:
      - Verify_release
      - Create_Release_Branch
    stageCondition: |
      and(
        succeeded('Verify_release'),
        in(dependencies.Create_Release_Branch.result, 'Succeeded', 'Skipped')
      )

    preBuildStages:
    - stage: Verify_release
      displayName: Verify it's a release run
      pool:
        vmImage: ubuntu-latest
      jobs:
      - job: Set_variables
        displayName: Set release-specific variables
        steps:
        - pwsh: |
            $isBuildStageOnly = [System.Convert]::ToBoolean('${{ parameters.buildStageOnly }}')
            $buildReason = '$(Build.Reason)'

            $currentSprint = (Invoke-WebRequest https://whatsprintis.it -Headers @{"Accept" = "application/json" } | ConvertFrom-Json)

            $isReleaseWeek = $currentSprint.week -eq 3
            Write-Host "isReleaseWeek = $isReleaseWeek"

            $isRelease = ($buildReason -eq 'Manual' -and !$isBuildStageOnly) -or ($buildReason -eq 'Schedule' -and $isReleaseWeek)
            Write-Host "isRelease = $isRelease"
            Write-Host "##vso[task.setVariable variable=isRelease;isOutput=true]$isRelease"

            $isScheduledRelease = $isRelease -and $buildReason -eq 'Schedule'
            Write-Host "isScheduledRelease = $isScheduledRelease"

            if ($isRelease) {
              if ($isScheduledRelease) {
                $majorAndMinorVersion = "3.$($currentSprint.sprint)"
                $patchVersion = 0
                ## Looking for a free patch version
                while ($true) {
                  $agentVersion = "$majorAndMinorVersion.$patchVersion"
                  git ls-remote --exit-code --heads origin refs/heads/releases/$agentVersion
                  if ($LASTEXITCODE -ne 0) {
                    if ($LASTEXITCODE -eq 2) {
                        $LASTEXITCODE = 0
                        break
                    }
                    else {
                        Write-Error "git ls-remote failed with exit code $LASTEXITCODE" -ErrorAction Stop
                    }
                  }
                  $patchVersion++
                }
              } else {
                $agentVersion = "${{ parameters.version }}"
                if ($agentVersion -eq 'NotSet') {
                  Write-Error "Version parameter is required for manual release." -ErrorAction Stop
                }
              }
              Write-Host "agentVersion = $agentVersion"
              Write-Host "##vso[task.setVariable variable=agentVersion;isOutput=true]$agentVersion"

              $releaseBranch = "releases/$agentVersion"
              Write-Host "releaseBranch = $releaseBranch"
              Write-Host "##vso[task.setVariable variable=releaseBranch;isOutput=true]$releaseBranch"
            }

          name: SetReleaseVariables
          displayName: Set release-specific variables

    - stage: Create_Release_Branch
      displayName: Create Release Branch
      dependsOn:
      - Verify_release
      jobs:
      ################################################################################
      - job: Create_Release_Branch
      ################################################################################
        displayName: Create Release Branch
        variables:
          IsRelease: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.isRelease'] ]
          ReleaseBranch: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.releaseBranch'] ]
          AgentVersion: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.agentVersion'] ]
        condition: and(succeeded(), eq(variables.IsRelease, 'True'))
        pool:
          vmImage: ubuntu-latest
        steps:

        - checkout: self

        - task: NodeTool@0
          displayName: Use node 14.15.1
          inputs:
            versionSpec: "14.15.1"

        - script: |
            cd release
            npm install

            node createReleaseBranch.js $(AgentVersion) --derivedFrom=${{ parameters.derivedFrom }}
          env:
            EDITOR: cat
            PAT: $(GithubToken)
          displayName: Push release branch to GitHub

    postBuildStages:
      - stage: Release
        dependsOn:
          - build
          - Verify_release
        jobs:
        ################################################################################
        - job: publish_agent_packages
        ################################################################################
          displayName: Publish Agents (Windows/Linux/OSX)
          pool:
            name: RMAgentsProdAME
          variables:
            IsRelease: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.isRelease'] ]
            ReleaseBranch: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.releaseBranch'] ]
            AgentVersion: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.agentVersion'] ]
          condition: and(succeeded(), eq(variables.IsRelease, 'True'))
          steps:

          # Clean
          - checkout: self
            clean: true

          # Switch to release branch
          - template: switch-branch.yml
            parameters:
              branch: $(ReleaseBranch)

          # Download all agent packages from all previous phases
          - task: DownloadBuildArtifacts@0
            displayName: Download Agent Packages
            inputs:
              artifactName: agent

          # Upload agent packages to Azure blob storage and refresh Azure CDN
          - powershell: |
              Write-Host "Preloading Azure modules." # This is for better performance, to avoid module-autoloading.
              Import-Module Azure, Az.Accounts, Az.Storage, Az.Cdn -ErrorAction Ignore -PassThru
              $uploadFiles = New-Object System.Collections.ArrayList
              $certificateThumbprint = (Get-ItemProperty -Path "$(ServicePrincipalReg)").ServicePrincipalCertThumbprint
              $clientId = (Get-ItemProperty -Path "$(ServicePrincipalReg)").ServicePrincipalClientId
              Write-Host "##vso[task.setsecret]$certificateThumbprint"
              Write-Host "##vso[task.setsecret]$clientId"
              Login-AzAccount -ServicePrincipal -CertificateThumbprint $certificateThumbprint -ApplicationId $clientId -TenantId $(TenantId)
              Select-AzSubscription -SubscriptionId $(SubscriptionId)
              $storage = Get-AzStorageAccount -ResourceGroupName vstsagentpackage -AccountName vstsagentpackage
              $versionDir = "$(AgentVersion)"
              Get-ChildItem -LiteralPath "$(System.ArtifactsDirectory)/agent" | ForEach-Object {
                $target=$_
                Get-ChildItem -LiteralPath "$(System.ArtifactsDirectory)/agent/$target" -Include "*.zip","*.tar.gz" | ForEach-Object {
                  $executable = $_
                  Write-Host "Uploading $executable to BlobStorage vstsagentpackage/agent/$versionDir"
                  Set-AzStorageBlobContent -Context $storage.Context -Container agent -File "$(System.ArtifactsDirectory)/agent/$target/$executable" -Blob "$versionDir/$executable" -Force
                  $uploadFiles.Add("/agent/$versionDir/$executable")
                }
              }
              Write-Host "Purge Azure CDN Cache"
              Unpublish-AzCdnEndpointContent -EndpointName vstsagentpackage -ProfileName vstsagentpackage -ResourceGroupName vstsagentpackage -PurgeContent $uploadFiles
              Write-Host "Force Refresh Azure CDN Cache"
              Publish-AzCdnEndpointContent -EndpointName vstsagentpackage -ProfileName vstsagentpackage -ResourceGroupName vstsagentpackage -LoadContent $uploadFiles
            displayName: Upload to Azure Blob

          # Download all agent hashes created in previous phases
          - task: DownloadBuildArtifacts@0
            displayName: Download Agent Hashes
            inputs:
              artifactName: hash
              downloadPath: $(Build.SourcesDirectory)/_hashes

          # Fill release notes with agent version and package hashes
          - script: |
              cd release
              node fillReleaseNotesTemplate.js $(AgentVersion)
            displayName: Fill release notes

          # Create agent release on Github
          - powershell: |
              Write-Host "Creating github release."
              $releaseNotes = [System.IO.File]::ReadAllText("$(Build.SourcesDirectory)\releaseNote.md")
              $releaseData = @{
                tag_name = "v$(AgentVersion)";
                target_commitish = "$(Build.SourceVersion)";
                name = "v$(AgentVersion)";
                body = $releaseNotes;
                draft = $false;
                prerelease = $true;
              }
              $releaseParams = @{
                Uri = "https://api.github.com/repos/Microsoft/azure-pipelines-agent/releases";
                Method = 'POST';
                Headers = @{
                  Authorization = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes("vsts:$(GithubToken)"));
                }
                ContentType = 'application/json';
                Body = (ConvertTo-Json $releaseData -Compress)
              }
              [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
              $releaseCreated = Invoke-RestMethod @releaseParams
              Write-Host $releaseCreated
              $releaseId = $releaseCreated.id
              $assets = [System.IO.File]::ReadAllText("$(Build.SourcesDirectory)\assets.json").Replace("<AGENT_VERSION>","$(AgentVersion)")
              $assetsParams = @{
                Uri = "https://uploads.github.com/repos/Microsoft/azure-pipelines-agent/releases/$releaseId/assets?name=assets.json"
                Method = 'POST';
                Headers = @{
                  Authorization = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes("vsts:$(GithubToken)"));
                }
                ContentType = 'application/octet-stream';
                Body = [system.Text.Encoding]::UTF8.GetBytes($assets)
              }
              Invoke-RestMethod @assetsParams
            displayName: Create agent release on Github

      - stage: CreatePRs
        dependsOn:
        - Release
        - Verify_release
        condition: and(succeeded(), not(${{ parameters.onlyGitHubRelease }}))
        pool:
          vmImage: ubuntu-latest
        jobs:
        ################################################################################
        - job: create_ado_prs
        ################################################################################
          displayName: Create PRs in AzureDevOps and ConfigChange
          variables:
            IsRelease: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.isRelease'] ]
            ReleaseBranch: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.releaseBranch'] ]
            AgentVersion: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.agentVersion'] ]
          condition: and(succeeded(), eq(variables.IsRelease, 'True'))
          steps:
          - checkout: self

          - ${{ if eq(variables['Build.SourceBranch'], 'refs/heads/master') }}:
            - script: git checkout $(ReleaseBranch)
              displayName: Checkout release branch

          # Download all agent hashes created in previous phases
          - task: DownloadBuildArtifacts@0
            displayName: Download Agent Hashes
            inputs:
              artifactName: hash
              downloadPath: $(Build.SourcesDirectory)/_hashes

          - bash: |
              set -x
              cd release
              npm install
              ls
              node createAdoPrs.js $(AgentVersion)
            name: s_CreateAdoPrs
            displayName: Create PRs in AzureDevOps and ConfigChange
            env:
              USERNAME: $(User)
              PAT: $(AdoPAT)
              USEREMAIL: $(Email)

      - stage: S_Notifications
        displayName: Notifications
        dependsOn:
        - Verify_release
        - CreatePRs
        condition: always()
        pool:
          vmImage: ubuntu-latest
        jobs:
        - job: j_SendPRsNotifications
          displayName: Send Release PRs notifications
          variables:
            IsRelease: $[ stageDependencies.Verify_release.Set_variables.outputs['SetReleaseVariables.isRelease'] ]
            AdoPrId: $[ stageDependencies.CreatePRs.create_ado_prs.outputs['s_CreateAdoPrs.AdoPrId'] ]
            AdoPrLink: $[ stageDependencies.CreatePRs.create_ado_prs.outputs['s_CreateAdoPrs.AdoPrLink'] ]
            CcPrId: $[ stageDependencies.CreatePRs.create_ado_prs.outputs['s_CreateAdoPrs.CcPrId'] ]
            CcPrLink: $[ stageDependencies.CreatePRs.create_ado_prs.outputs['s_CreateAdoPrs.CcPrLink'] ]
          condition: |
            and(
              eq(variables.IsRelease, 'True'),
              not(${{ parameters.onlyGitHubRelease }})
            )
          steps:
          - task: PowerShell@2
            inputs:
              targetType: 'filePath'
              filePath: ./release/Send-PRsNotification.ps1
            displayName: Send MS Teams notification
            env:
              TEAMS_WEBHOOK: $(MsTeamsWebhook)
              ADO_PR_ID: $(AdoPrId)
              ADO_PR_LINK: $(AdoPrLink)
              CC_PR_ID: $(CcPrId)
              CC_PR_LINK: $(CcPrLink)