tfplan-tasks-templated.yml

---
parameters:
  - name: serviceConnectionName
    type: string
  - name: backendAzureRmResourceGroupName
    type: string
  - name: backendAzureRmStorageAccountName
    type: string
  - name: backendAzureRmContainerName
    type: string
  - name: backendAzureRmKey
    type: string
  - name: tfComponent
    type: string
  - name: tfExecutionDir
    type: string
  - name: tfVarFileName
    type: string

steps:
  - task: Cache@2
    displayName: Register TF cache
    inputs:
      key: terraform | $(Agent.OS) | "$(Build.BuildNumber)" | $(Build.SourceVersion) | "$(Build.BuildNumber)" | ${{ parameters.tfComponent }} | "${{ parameters.tfVarFileName }}"
      path: '${{ parameters.tfExecutionDir }}'
  - task: TerraformInstaller@0
    displayName: 'Install Terraform v$(terraformVersion)'
    inputs:
      terraformVersion: '$(terraformVersion)'
  - task: TerraformTaskV1@0
    displayName: 'Terraform Init'
    inputs:
      provider: 'azurerm'
      command: 'init'
      workingDirectory: '${{ parameters.tfExecutionDir }}'
      backendServiceArm: '${{ parameters.serviceConnectionName}}'
      backendAzureRmResourceGroupName: '${{ parameters.backendAzureRmResourceGroupName }}'
      backendAzureRmStorageAccountName: '${{ parameters.backendAzureRmStorageAccountName }}'
      backendAzureRmContainerName: '${{ parameters.backendAzureRmContainerName }}'
      backendAzureRmKey: '${{ parameters.backendAzureRmKey }}'
  - task: TerraformTaskV1@0
    displayName: 'Run Terraform Plan'
    inputs:
      provider: 'azurerm'
      command: 'plan'
      commandOptions: '-var-file=${{ parameters.tfVarFileName }} -out=${BUILD_BUILDNUMBER}.tfplan'
      workingDirectory: '${{ parameters.tfExecutionDir }}'
      environmentServiceNameAzureRM: '${{ parameters.serviceConnectionName }}'