action.yml

name: Kyler's Terraform Apply
description: Terraform Apply
inputs:
  location:
    description: Targeted location/environment
    required: true
  SSH_KEY: 
    description: SSH Key for Git Clone
    required: true
  terraform_version:
    description: Version of Terraform to use
    required: true
    default: 1.4.5

runs:
  using: "composite"
  steps:
    
    - name: Banner for Download Env Var File
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Download Env Var File"
        echo "########################"
        echo ""
        
    - name: Download Env Var File
      id: download-env-vars
      uses: actions/download-artifact@v3
      with:
        name: env-cache-${{ github.run_id }}-${{ inputs.location }}
    
    - name: Read Env Vars
      id: read-env-vars
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Read Env Vars"
        echo "########################"
        echo ""
        
        cat env.vars >> $GITHUB_ENV

    - name: Prep SSH Key
      shell: bash
      id: prep_ssh_key
      run: |
        echo ""
        echo "########################"
        echo "## Prep SSH Key"
        echo "########################"
        echo ""
        
        mkdir -p ~/.ssh
        echo "${{ inputs.SSH_KEY }}" > ~/.ssh/id_rsa
        chmod 600 ~/.ssh/id_rsa
        touch ~/.ssh/known_hosts
        o=`ssh-keygen -F github.com || ssh-keyscan github.com >> ~/.ssh/known_hosts`
        git config --global url."git@github.com:".insteadOf "https://github.com/"

    - name: Banner for Install Terraform
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Install Terraform"
        echo "########################"
        echo ""
        
    - name: Install Terraform
      uses: hashicorp/setup-terraform@v2
      with:
        terraform_version: ${{ inputs.terraform_version }}

    - name: Banner for Azure Login
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Azure Login"
        echo "########################"
        echo ""
        
    - name: Azure Login
      uses: azure/login@v1
      with:
        tenant-id: ${{ env.az_tenant_id }}
        client-id: ${{ env.az_client_id }}
        subscription-id: ${{ env.az_subscription_id }}

    - name: Terraform Init
      shell: bash
      id: init
      run: |
        echo ""
        echo "########################"
        echo "## Terraform Init"
        echo "########################"
        echo ""
        
        # If the state file name is not set, use the solution name
        if [ -z ${tf_state_filename} ]; then
          echo "State file name not set, using solution name"
          tf_state_filename=${solution_name}
        else
          echo "State file name set, using ${tf_state_filename}"
          tf_state_filename=${tf_state_filename}
        fi
        
        # Terraform init
        terraform init \
          -input=false \
          -backend-config="resource_group_name=${tf_storage_resource_group_name}" \
          -backend-config="storage_account_name=${tf_storage_account_name}" \
          -backend-config="container_name=${tf_storage_container_name}" \
          -backend-config="key=${tf_state_filename}.tfstate"

    - name: Banner for Download Terraform Cache File
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Download Terraform Cache File"
        echo "########################"
        echo ""
        
    - name: Download Terraform Cache File
      id: download-cache
      uses: actions/download-artifact@v3
      with:
        name: tf-cache-${{ github.run_id }}-${{ inputs.location }}

    - name: Terraform Apply
      id: apply
      shell: bash
      run: |
        echo ""
        echo "########################"
        echo "## Terraform Apply"
        echo "########################"
        echo ""
        
        terraform apply -input=false tf.plan