production.yml

name: Production Workflow

run-name: New deployment from ${{ github.event.client_payload.repository || github.repository }}

on:
  push:
    branches:
      - "main"
  repository_dispatch:
    types: [trigger-deployments]
  workflow_dispatch:

env:
  AWS_REGION: "eu-west-2"

permissions:
  id-token: write
  contents: read

jobs:
  terraform_plan:
    name: Terraform plan
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5

      - name: Configure AWS credentials for tools account
        uses: ./.github/actions/configure-aws-credentials
        with:
          aws-region: ${{ env.AWS_REGION }}
          tools-account-role: ${{ secrets.UHD_TERRAFORM_IAM_ROLE }}

      - uses: ./.github/actions/setup-terraform
      - uses: ./.github/actions/setup-zsh

      - name: Terraform plan
        run: |
          source uhd.sh
          uhd terraform init
          uhd terraform plan:layer 10-account prod
          uhd terraform plan:layer 20-app prod
        shell: zsh {0}

  terraform_apply:
    name: Terraform apply
    runs-on: ubuntu-latest
    needs: ["terraform_plan"]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5

      - name: Configure AWS credentials for tools account
        uses: ./.github/actions/configure-aws-credentials
        with:
          aws-region: ${{ env.AWS_REGION }}
          tools-account-role: ${{ secrets.UHD_TERRAFORM_IAM_ROLE }}
          role-duration-seconds: "7200"

      - uses: ./.github/actions/setup-terraform
      - uses: ./.github/actions/setup-zsh

      - name: Terraform apply
        run: |
          source uhd.sh
          uhd terraform init
          uhd terraform apply:layer 10-account prod
          uhd terraform apply:layer 20-app prod
        shell: zsh {0}

  push_docker_images:
    name: Push docker images
    runs-on: ubuntu-latest
    needs: ["terraform_apply"]
    steps:
      - uses: actions/checkout@v4

      - name: Configure AWS credentials for tools account
        uses: ./.github/actions/configure-aws-credentials
        with:
          aws-region: ${{ env.AWS_REGION }}
          tools-account-role: ${{ secrets.UHD_TERRAFORM_IAM_ROLE }}

      - uses: ./.github/actions/setup-zsh

      - name: Pull / push docker images
        run: |
          source uhd.sh
          uhd docker update prod prod
        shell: zsh {0}

  restart_services:
    name: Restart services
    runs-on: ubuntu-latest
    needs: ["push_docker_images"]
    steps:
      - uses: actions/checkout@v4

      - name: Configure AWS credentials for tools account
        uses: ./.github/actions/configure-aws-credentials
        with:
          aws-region: ${{ env.AWS_REGION }}
          tools-account-role: ${{ secrets.UHD_TERRAFORM_IAM_ROLE }}

      - uses: ./.github/actions/setup-terraform
      - uses: ./.github/actions/setup-zsh

      - name: Terraform output
        run: |
          source uhd.sh
          uhd terraform init:layer 20-app
          uhd terraform output:layer 20-app prod
        shell: zsh {0}

      - name: Configure AWS credentials for prod account
        uses: ./.github/actions/configure-aws-credentials
        with:
          account-name: 'prod'
          aws-region: ${{ env.AWS_REGION }}
          prod-account-role: ${{ secrets.UHD_TERRAFORM_ROLE_PROD }}

      - name: Restart ECS services
        run: |
          source uhd.sh
          uhd ecs restart-services
        shell: zsh {0}

      - name: Redeploy lambda functions
        run: |
          source uhd.sh
          uhd lambda restart-functions
        shell: zsh {0}

  trigger-smoke-tests:
    name: Trigger smoke tests
    needs: [restart_services]
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v4
      - uses: ./.github/actions/trigger-smoke-tests
        with:
          token: ${{ secrets.DEPLOYMENT_TRIGGER_TOKEN }}

  fast_forward_env_branches:
    name: Fast forward env branches
    runs-on: ubuntu-latest
    permissions:
      contents: write
    outputs:
      deploy_dev: ${{ steps.fast_forward_merge.outputs.deploy_dev }}
      deploy_dpd: ${{ steps.fast_forward_merge.outputs.deploy_dpd }}
      deploy_test: ${{ steps.fast_forward_merge.outputs.deploy_test }}
      deploy_staging: ${{ steps.fast_forward_merge.outputs.deploy_staging }}
      deploy_perf: ${{ steps.fast_forward_merge.outputs.deploy_perf }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: ./.github/actions/setup-zsh

      - name: Fast forward env branches
        id: fast_forward_merge
        run: |
          - scripts/fast-forward-env-branches.sh
        shell: zsh {0}
        env:
          GH_TOKEN: ${{ github.token }}

  deploy_dev:
    needs: fast_forward_env_branches
    if: ${{needs.fast_forward_env_branches.outputs.deploy_dev}}
    uses: ./.github/workflows/well-known-environment.yml
    with:
      branch: env/dev/dev
    secrets: inherit

  deploy_dpd:
    needs: fast_forward_env_branches
    if: ${{needs.fast_forward_env_branches.outputs.deploy_dpd}}
    uses: ./.github/workflows/well-known-environment.yml
    with:
      branch: env/dev/dpd
    secrets: inherit

  deploy_test:
    needs: fast_forward_env_branches
    if: ${{needs.fast_forward_env_branches.outputs.deploy_test}}
    uses: ./.github/workflows/well-known-environment.yml
    with:
      branch: env/test/test
    secrets: inherit

#  deploy_perf:
#    needs: fast_forward_env_branches
#    if: ${{needs.fast_forward_env_branches.outputs.deploy_perf}}
#    uses: ./.github/workflows/well-known-environment.yml
#    with:
#      branch: env/test/perf
#    secrets: inherit

  deploy_staging:
    needs: fast_forward_env_branches
    if: ${{needs.fast_forward_env_branches.outputs.deploy_staging}}
    uses: ./.github/workflows/well-known-environment.yml
    with:
      branch: env/uat/staging
    secrets: inherit