push-to-main.yml

name: Perform deployment to production

on:  # yamllint disable-line rule:truthy
  pull_request:
    types:
      - closed
    branches:
      - main
    paths:
      - .github/workflows/*
      - automate/*
      - transform/*
      - transform/**/*

# # To auto-trigger Github action on push to main comment line 16-23 and line 32
#   push:
#     branches:
#       - main
#     paths:
#       - .github/workflows/*
#       - automate/**
#       - transform/*
#       - transform/**/*

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:

  # Perform the deployment to Prod
  build:
    # Need to make sure that when the PR was closed, it was actually merged.
    if: github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'main'

    name: Deployment Script
    runs-on: ubuntu-latest

    # Set environment variables in
    # https://github.com//<your org>/<your repo>/settings/variables/actions
    #
    # Alternatively, You can define multiple ENV for different workflows.
    # https://github.com/<org>/<repo>/settings/environments
    # environment: PR_ENV
    container: datacoves/ci-basic-dbt-snowflake:3.2

    defaults:
      run:
        working-directory: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/transform

    env:
      DBT_PROFILES_DIR: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/automate/dbt
      DATACOVES__DBT_HOME: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/transform

      DATACOVES__MAIN__ACCOUNT:   ${{ vars.DATACOVES__MAIN__ACCOUNT }}

      DATACOVES__MAIN__DATABASE:  ${{ vars.DATACOVES__MAIN__DATABASE }}
      DATACOVES__MAIN__SCHEMA:    ${{ vars.DATACOVES__MAIN__SCHEMA }}

      DATACOVES__MAIN__ROLE:      ${{ vars.DATACOVES__MAIN__ROLE }}
      DATACOVES__MAIN__WAREHOUSE: ${{ vars.DATACOVES__MAIN__WAREHOUSE }}

      DATACOVES__MAIN__USER:      ${{ vars.DATACOVES__MAIN__USER }}
      DATACOVES__MAIN__PASSWORD:  ${{ secrets.DATACOVES__MAIN__PASSWORD }}

      # This is used by datacoves to drop the staging database for blue/green
      # deployments, most likely you don't want to set this, we use it for demos
      DATACOVES__DROP_DB_ON_FAIL:  ${{ vars.DATACOVES__DROP_DB_ON_FAIL }}

    steps:
      - name: Checkout branch
        uses: actions/checkout@v2
        with:
          ref: ${{ github.event.push.head.sha }}
          fetch-depth: 0

      - name: Set Secure Directory
        run: git config --global --add safe.directory /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}

      - name: Install dbt packages
        run: "dbt deps"

      - name: Get prod manifest
        id: prod-manifest
        run: "../automate/dbt/get_artifacts.sh"

      # Runs blue green with no deferral
      - name: Run blue / green deployment
        if: ${{ steps.prod-manifest.outputs.manifest_found == 'false' }}
        id: run-blue-green
        run: "dbt-coves blue-green"

      # Runs blue green with deferral
      - name: Run blue / green deployment with deferral
        if: ${{ steps.prod-manifest.outputs.manifest_found == 'true' }}
        id: run-blue-green-defer
        run: "dbt-coves blue-green --defer"

      - name: Drop orphaned relations in db that are no longer in dbt
        run: "dbt run-operation drop_orphaned_relations --args '{\"dry_run\": false}'"

      - name: Generate dbt documentation
        run: "dbt docs generate"

      - name: Deploy docs 🚀
        uses: JamesIves/github-pages-deploy-action@v4.6.9
        with:
          branch: dbt-docs
          folder: transform/target

      - name: Upload dbt artifacts
        run: "dbt run-operation upload_artifacts"

  # Drops the temporary PR database
  drop-pr-db-on-close:
    name: Drop PR Database on Close
    if: ${{ always() }}

    runs-on: ubuntu-latest

    # Set environment variables in
    # https://github.com//<your org>/<your repo>/settings/variables/actions
    #
    # Alternatively, You can define multiple ENV for different workflows.
    # https://github.com/<org>/<repo>/settings/environments
    # environment: PR_ENV
    container: datacoves/ci-basic-dbt-snowflake:3.2

    defaults:
      run:
        working-directory: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/transform

    env:
      DBT_PROFILES_DIR: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/automate/dbt
      DATACOVES__DBT_HOME: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/transform
      DATACOVES__YAML_DAGS_FOLDER: /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/schedule

      DATACOVES__MAIN__ACCOUNT:   ${{ vars.DATACOVES__MAIN__ACCOUNT }}

      DATACOVES__MAIN__DATABASE:  ${{ vars.DATACOVES__MAIN__DATABASE }}_PR_${{ github.event.number }}
      DATACOVES__MAIN__SCHEMA:    ${{ vars.DATACOVES__MAIN__SCHEMA }}

      DATACOVES__MAIN__ROLE:      ${{ vars.DATACOVES__MAIN__ROLE }}
      DATACOVES__MAIN__WAREHOUSE: ${{ vars.DATACOVES__MAIN__WAREHOUSE }}

      DATACOVES__MAIN__USER:      ${{ vars.DATACOVES__MAIN__USER }}
      DATACOVES__MAIN__PASSWORD:  ${{ secrets.DATACOVES__MAIN__PASSWORD }}

    steps:
      - name: Checkout branch
        uses: actions/checkout@v3.5.0
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Set Secure Directory
        run: git config --global --add safe.directory /__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}

      - name: Install dbt packages
        run: "dbt deps"

      - name: Drop PR database
        run: "dbt --no-write-json run-operation drop_recreate_db --args '{db_name: ${{env.DATACOVES__MAIN__DATABASE}}, recreate: False}'"  # yamllint disable-line rule:line-length