azure-pipelines-destroy.yml

# Terraform pipeline

trigger: none

variables:
  tf_version: "latest" # what version of terraform should be used
  tf_state_rg: "rg-tfstate" # name of the resource group to create/use for the terraform state file
  tz_state_location: "uksouth" # location of the resource group to create/use for the terraform state file
  tf_state_sku: "Standard_RAGRS" # sku to use when creating the storeage account to create/use for the terraform state file
  tf_state_sa_name: "tfstatesa20210606" # name of of the storage account to create/use for the terraform state file
  tf_state_container_name: "tfstate" # name of of the container to create/use for the terraform state file
  tf_environment: "dev" # enviroment name, used for the statefile name
  cost_increase_alert_percentage: 50 # if the difference in costs is higher than x% then you will need to manually validate the deployment

pool:
  vmImage: "ubuntu-latest"

stages:
  - stage: "TerraformDestroy"
    displayName: "Terraform - Destroy"
    jobs:
      - job: "TerraformDestroy"
        displayName: "Terraform > install, init & destroy"
        steps:
          - task: TerraformInstaller@0
            inputs:
              terraformVersion: "$(tf_version)"
            displayName: "Install > terraform"

          - task: TerraformCLI@0
            inputs:
              command: "init"
              backendType: "azurerm"
              backendServiceArm: "$(SUBSCRIPTION_NAME)"
              ensureBackend: true
              backendAzureRmResourceGroupName: "$(tf_environment)-$(tf_state_rg)"
              backendAzureRmResourceGroupLocation: "$(tz_state_location)"
              backendAzureRmStorageAccountName: "$(tf_state_sa_name)"
              backendAzureRmStorageAccountSku: "$(tf_state_sku)"
              backendAzureRmContainerName: $(tf_state_container_name)
              backendAzureRmKey: "$(tf_environment).terraform.tstate"
            displayName: "Run > terraform init"

          - task: TerraformCLI@0
            inputs:
              command: "destroy"
              environmentServiceName: "$(SUBSCRIPTION_NAME)"
            displayName: "Run > terraform destroy "