bulid-and-deploy.yml

name: Build and deploy
on:
  push:
    branches: [ "main" ]

env:
  AWS_REGION: us-west-2
  EKS_CLUSTER_NAME: courtlistener
  EKS_NAMESPACE: court-listener

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and Push
        run: |
          make push --file docker/django/Makefile -e VERSION=$(git rev-parse --short HEAD)

  deploy:
    needs: build
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Set shortcode
      id: vars
      run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v4
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: ${{ env.AWS_REGION }}
    - name: Create Kubeconfig with AWS CLI
      run: aws eks update-kubeconfig --region ${{ env.AWS_REGION }} --name ${{ env.EKS_CLUSTER_NAME }}
    - name: Collect static assets and check unapplied migration exit code
      id: checkMigration
      # Do big complicated thing to get secrets into the image.
      # See: https://stackoverflow.com/a/52488906/64911
      run: |
        kubectl run ${{ steps.vars.outputs.sha_short }} -it --rm -n ${{ env.EKS_NAMESPACE }} --image freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-web-prod --restart Never --overrides='
        {
          "spec": {
            "containers": [
              {
                "name": "${{ steps.vars.outputs.sha_short }}",
                "image": "freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-web-prod",
                "command": [
                    "/bin/sh",
                    "-c",
                    "./manage.py tailwind install --no-input && ./manage.py tailwind build --no-input && ./manage.py collectstatic --noinput && ./manage.py migrate --check"
                ],
                "envFrom": [
                  {
                    "secretRef": {
                      "name": "bots-env"
                    }
                  }
                ]
              }
            ]
          }
        }
        '

    # If the previous step had an error, start a pod to do maintenance, and
    # quit with an error message.
    - name: Check migration exit code from previous step
      if: failure()
      run: |
        echo "Found unapplied migrations. A pod named bots-deploy-${{ steps.vars.outputs.sha_short }} has been created for you."
        echo "Shell into that pod, do a manual migration, delete the pod, and re-run this Github Action job."
        kubectl run bots-deploy-${{ steps.vars.outputs.sha_short }} -n ${{ env.EKS_NAMESPACE }} --image freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-web-prod --restart Never --overrides='
          {
            "spec": {
              "containers": [
                {
                  "name": "bots-deploy-${{ steps.vars.outputs.sha_short }}",
                  "image": "freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-web-prod",
                  "command": [
                      "/bin/sh",
                      "-c",
                      "trap : TERM INT; sleep infinity & wait"
                  ],
                  "envFrom": [
                    {
                      "secretRef": {
                        "name": "bots-env"
                      }
                    }
                  ]
                }
              ]
            }
          }
          '
        exit 1

    # Rollout new versions one by one (watch "deployments" in k9s)
    - name: Rollout bots-python
      run: kubectl set image -n ${{ env.EKS_NAMESPACE }} deployment/bots-python web=freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-web-prod
    - name: Watch bots-python rollout status
      run: kubectl rollout status -n ${{ env.EKS_NAMESPACE }} deployment/bots-python
    - name: Rollout bots-rq
      run: kubectl set image -n ${{ env.EKS_NAMESPACE }} deployment/bots-rq bots-rq=freelawproject/bigcases2:${{ steps.vars.outputs.sha_short }}-rq
    - name: Watch bots-rq rollout status
      run: kubectl rollout status -n ${{ env.EKS_NAMESPACE }} deployment/bots-rq

    # Bust the CloudFront cache site-wide
    - name: Invalidate CDN
      run: aws cloudfront create-invalidation --distribution-id=E1ENXLZB55ZLXE --paths '/*'