kind: pipeline
name: build-and-deploy
type: docker

platform:
  os: linux
  arch: arm64


steps:
  - name: docker-build-and-push
    image: thegeeklab/drone-docker-buildx # Absurd that this isn't offered as first-party!
    privileged: true
    settings:
      # Consider testing with this if the cache-to arguments don't help!
      # args:
      #   - BUILDKIT_INLINE_CACHE=1
      cache_from:
        - "gitea.scubbo.org/${DRONE_REPO}:${DRONE_BRANCH}"
      cache_to:
        # https://docs.docker.com/build/cache/backends/registry/
        # `mode=max` necessary in order to cache intermediate stages
        #
        # https://github.com/go-gitea/gitea/issues/28973#issuecomment-1961859655
        # Some parameters are necessary in order to make the push to gitea succeed
        #
        # Another reference:
        # https://github.com/thegeeklab/drone-docker-buildx/issues/47
        - "type=registry,ref=gitea.scubbo.org/${DRONE_REPO}:${DRONE_BRANCH},mode=max,image-manifest=true,oci-mediatypes=true"
      registry: gitea.scubbo.org
      username: scubbo
      password:
        from_secret: gitea_password
      repo: gitea.scubbo.org/${DRONE_REPO}
      tags:
        - ${DRONE_BRANCH}
        - ${DRONE_COMMIT_SHA:0:10}
      target: prod
      platforms:
        - linux/arm64
        - linux/amd64

  - name: Update Helm Chart
    image: alpine
    environment:
      GITEA_PASSWORD:
        from_secret: gitea_password
      GITEA_PAT:
        from_secret: gitea_pat
    commands:
      # Cannot use `drone/git` plugin because:
      # * it cannot check out to a different directory
      # * if you try to clear the main directory and use it to checkout, Drone will just re-clone the original repo
      #     between steps
      # ...God, I really need to transition off of Drone and onto a better CI tool...
      - find . -not -path '.' | xargs rm -rf
      - find . -not -path '.'
      - apk add yq git
      - git clone https://scubbo:${GITEA_PASSWORD}@gitea.scubbo.org/scubbo/helm-charts.git
      - cd helm-charts
      - cat charts/edh-elo/values.yaml
      - yq -i '.image.tag = "${DRONE_COMMIT_SHA:0:10}"' charts/edh-elo/values.yaml
      - git add -A
      - git -c user.name="Imagebot" -c user.email="fake@scubbo.org" commit -m 'Update EDH ELO commit to "${DRONE_COMMIT_SHA:0:10}"'
      - git remote add origin-with-credentials "https://scubbo:$GITEA_PAT@gitea.scubbo.org/scubbo/helm-charts.git"
      - git push origin-with-credentials main:main

  - name: update-argo
    image: curlimages/curl
    environment:
      ARGO_TOKEN:
        from_secret: argo_token
    commands:
      - "curl -sS -X POST \"argo-cd-argocd-server.argo.svc.cluster.local/api/v1/applications/edh-elo/sync\" -H \"Authorization: Bearer ${ARGO_TOKEN}\" -H \"Content-Type: application/json\""

  - name: purge-cache
    image: curlimages/curl
    environment:
      CLOUDFLARE_TOKEN:
        from_secret: cloudflare_token
    commands:
      - "curl -sS -X POST \"https://api.cloudflare.com/client/v4/zones/c86d55d225ed973d5da45239beac2f99/purge_cache\" -H \"Authorization: Bearer ${CLOUDFLARE_TOKEN}\" -H \"Content-Type:application/json\" -d '{\"files\":[\"https://edh-elo.scubbo.org/*\"]}'"