Multi-Stage Pipeline (Terraform and .NET Core App)

azure-pipelines.yaml

trigger: none

pr:
  branches:
    include:
    - master

variables:
- name: COMPONENT_NAME
  value: app
- name: PROJECT_PATH
  value: MyApplication.App.csproj

stages:

- stage: Build
  variables:
  - group: product
  - group: environment-prd
  - group: terraform-prd
  - group: region-uksouth
  
  jobs:
  
  - job: Plan
    displayName: 'Plan & Package Terraform'
    pool:
      vmImage: ubuntu-latest
    steps:

    - task: AzureCLI@1
      displayName: 'Deploy Terraform Resources'
      inputs:
        azureSubscription: sub-production
        scriptPath: '$(Build.SourcesDirectory)/common/deploy-terraform-resources.sh'

    - task: TerraformInstaller@0
      displayName: 'Install Terraform'
      inputs:
        terraformVersion: '0.14.6'

    - task: TerraformTaskV1@0
      displayName: 'Initialise Terraform'
      inputs:
        provider: 'azurerm'
        command: 'init'
        workingDirectory: '$(Build.SourcesDirectory)/$(COMPONENT_NAME)/deploy'
        backendServiceArm: sub-production
        backendAzureRmResourceGroupName: '$(TERRAFORM_RESOURCE_GROUP)'
        backendAzureRmStorageAccountName: '$(TERRAFORM_STORAGE_ACCOUNT)'
        backendAzureRmContainerName: '$(COMPONENT_NAME)'
        backendAzureRmKey: 'terraform.tfstate'

    - task: CmdLine@2
      displayName: 'Validate Terraform'
      inputs:
        script: 'terraform validate'
        workingDirectory: '$(Build.SourcesDirectory)/$(COMPONENT_NAME)/deploy'

    - task: TerraformTaskV1@0
      displayName: 'Plan Terraform'
      inputs:
        provider: 'azurerm'
        command: 'plan'
        workingDirectory: '$(Build.SourcesDirectory)/$(COMPONENT_NAME)/deploy'
        environmentServiceNameAzureRM: sub-production

    - task: CopyFiles@2
      displayName: 'Copy Files'
      condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
      inputs:
        SourceFolder: '$(Build.SourcesDirectory)'
        TargetFolder: '$(Build.ArtifactStagingDirectory)'
        Contents: | 
          common/deploy-terraform-resources.sh
          $(COMPONENT_NAME)/deploy/**/*.tf
          !$(COMPONENT_NAME)/deploy/.terraform
 
    - task: PublishBuildArtifacts@1
      displayName: 'Publish Artifact'
      condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
      inputs:
        PathtoPublish: '$(Build.ArtifactStagingDirectory)'
        ArtifactName: 'deploy'

  - job: Build
    displayName: 'Build & Package'
    dependsOn: Plan
    pool:
      vmImage: ubuntu-latest
    steps:

    - task: DotNetCoreCLI@2
      displayName: 'Build App'
      inputs:
        command: 'build'
        arguments: '--configuration Release'
        projects: '$(Build.SourcesDirectory)/$(COMPONENT_NAME)/src/$(PROJECT_PATH)'

    - task: DotNetCoreCLI@2
      displayName: 'Publish App'
      condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
      inputs:
        command: 'publish'
        projects: '$(Build.SourcesDirectory)/$(COMPONENT_NAME)/src/$(PROJECT_PATH)'
        arguments: '--configuration Release --output $(Build.ArtifactStagingDirectory)'
        publishWebProjects: false
        zipAfterPublish: false
        modifyOutputPath: false

    - task: PublishBuildArtifacts@1
      displayName: 'Publish Artifact'
      condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
      inputs:
        PathtoPublish: '$(Build.ArtifactStagingDirectory)'
        ArtifactName: 'app'

- stage: Prod
  dependsOn: Build
  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/master'))
  variables:
    - group: product
    - group: environment-prd
    - group: terraform-prd
    - group: region-uksouth

  jobs:

  - deployment: Prod_Deployment
    displayName: 'Apply Terraform'
    pool:
      vmImage: ubuntu-latest
    environment: myapplication-prd
    strategy:
      runOnce:
        deploy:
          steps:

          - download: current
            artifact: deploy

          - task: AzureCLI@1
            displayName: 'Deploy Terraform Resources'
            inputs:
              azureSubscription: sub-production
              scriptPath: '$(Pipeline.Workspace)/deploy/common/deploy-terraform-resources.sh'
  
          - task: TerraformInstaller@0
            displayName: 'Install Terraform'
            inputs:
              terraformVersion: '0.14.6'

          - task: TerraformTaskV1@0
            displayName: 'Initialise Terraform'
            inputs:
              provider: 'azurerm'
              command: 'init'
              workingDirectory: '$(Pipeline.Workspace)/deploy/$(COMPONENT_NAME)/deploy'
              backendServiceArm: sub-production
              backendAzureRmResourceGroupName: '$(TERRAFORM_RESOURCE_GROUP)'
              backendAzureRmStorageAccountName: '$(TERRAFORM_STORAGE_ACCOUNT)'
              backendAzureRmContainerName: '$(COMPONENT_NAME)'
              backendAzureRmKey: 'terraform.tfstate'

          - task: TerraformTaskV1@0
            displayName: 'Apply Terraform'
            inputs:
              provider: 'azurerm'
              command: 'apply'
              workingDirectory: '$(Pipeline.Workspace)/deploy/$(COMPONENT_NAME)/deploy'
              commandOptions: '-auto-approve'
              environmentServiceNameAzureRM: sub-production

  - deployment: Prod_Deployment_App
    displayName: 'Deploy App'
    dependsOn: Prod_Deployment
    pool:
      vmImage: ubuntu-latest
    environment: myapplication-prd
    strategy:
      runOnce:
        deploy:
          steps:

          - download: current
            artifact: app

          - task: AzureRmWebAppDeployment@4
            displayName: 'Deploy App'
            inputs:
              ConnectionType: 'AzureRM'
              azureSubscription: sub-production
              appType: 'webApp'
              WebAppName: 'as-$(PRODUCT)-$(COMPONENT_NAME)-prd-$(REGION_SHORT)'
              packageForLinux: '$(Pipeline.Workspace)/app'
              enableCustomDeployment: true
              DeploymentType: 'zipDeploy'