version: 2.1

orbs:
  gcp-cli: circleci/gcp-cli@3.0.1

commands:
  gcp-oidc-authenticate:
    description: "Authenticate with GCP using a CircleCI OIDC token."
    parameters:
      project_id:
        type: env_var_name
        default: GCP_PROJECT_ID
      workload_identity_pool_id:
        type: env_var_name
        default: GCP_WIP_ID
      workload_identity_pool_provider_id:
        type: env_var_name
        default: GCP_WIP_PROVIDER_ID
      service_account_email:
        type: env_var_name
        default: GCP_SERVICE_ACCOUNT_EMAIL
      gcp_cred_config_file_path:
        type: string
        default: /home/circleci/gcp_cred_config.json
      oidc_token_file_path:
        type: string
        default: /home/circleci/oidc_token.json
    steps:
      - run:
          name: "Create OIDC credential configuration"
          command: |
            # Store OIDC token in temp file
            echo $CIRCLE_OIDC_TOKEN > << parameters.oidc_token_file_path >>
            # Create a credential configuration for the generated OIDC ID Token
            gcloud iam workload-identity-pools create-cred-config \
                "projects/${<< parameters.project_id >>}/locations/global/workloadIdentityPools/${<< parameters.workload_identity_pool_id >>}/providers/${<< parameters.workload_identity_pool_provider_id >>}"\
                --output-file="<< parameters.gcp_cred_config_file_path >>" \
                --service-account="${<< parameters.service_account_email >>}" \
                --credential-source-file=<< parameters.oidc_token_file_path >>
      - run:
          name: "Authenticate with GCP using OIDC"
          command: |
            # Configure gcloud to leverage the generated credential configuration
            gcloud auth login --brief --cred-file "<< parameters.gcp_cred_config_file_path >>"
            # Configure ADC
            echo "export GOOGLE_APPLICATION_CREDENTIALS='<< parameters.gcp_cred_config_file_path >>'" | tee -a "$BASH_ENV"

jobs:
  docker-release:
    environment:
      DOCKER_BUILDKIT: 1
    parameters:
      docker_name:
        description: Docker image name
        type: string
        default: "op-geth"
      docker_tags:
        description: Docker image tags as csv
        type: string
      registry:
        description: Docker registry
        type: string
        default: "us-docker.pkg.dev"
      repo:
        description: Docker repo
        type: string
        default: "oplabs-tools-artifacts/images"
    machine:
      image: ubuntu-2204:2022.07.1
      resource_class: xlarge
    steps:
      - gcp-cli/install
      - gcp-oidc-authenticate
      - checkout
      - run:
          name: Configure Docker
          command: |
            gcloud auth configure-docker <<parameters.registry>>
      - run:
          name: Build and push
          command: |
            IMAGE_BASE="<<parameters.registry>>/<<parameters.repo>>/<<parameters.docker_name>>"
            DOCKER_TAGS=$(echo -ne <<parameters.docker_tags>> | sed "s/,/\n/g" | sed "s/[^a-zA-Z0-9\n.]/-/g" | sed -e "s|^|-t ${IMAGE_BASE}:|")
            docker context create buildx-build
            docker buildx create --use buildx-build
            docker buildx build --push \
              $(echo -ne $DOCKER_TAGS | tr '\n' ' ') \
              --platform=linux/arm64,linux/amd64 \
              --build-arg VERSION=$CIRCLE_TAG \
              --build-arg COMMIT=$CIRCLE_SHA \
              --build-arg BUILDNUM=$CIRCLE_BUILD_NUM \
              --progress plain \
              -f Dockerfile .

  build-geth:
    docker:
      - image: cimg/go:1.18
    resource_class: medium
    steps:
      - checkout
      - run:
          command: go run build/ci.go install
  unit-test:
    resource_class: medium
    docker:
      - image: cimg/go:1.18
    steps:
      - checkout
      - run:
          command: go run build/ci.go test
  lint-geth:
    resource_class: medium
    docker:
      - image: cimg/go:1.18
    steps:
      - checkout
      - run:
          command: go run build/ci.go lint

workflows:
  main:
    jobs:
      - build-geth:
          name: Build geth
      - unit-test:
          name: Run unit tests for geth
      - lint-geth:
          name: Run linter over geth
      - docker-release:
          name: Push to Docker
          docker_tags: <<pipeline.git.revision>>
          context:
            - oplabs-gcr
  release:
    jobs:
      - hold:
          type: approval
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/
      - docker-release:
          name: Push to Docker
          filters:
            tags:
              only: /^v.*/
            branches:
              ignore: /.*/
          docker_tags: <<pipeline.git.revision>>,<<pipeline.git.tag>>
          context:
            - oplabs-gcr-release
          requires:
            - hold