version: 2.1

executors:
  go:
    docker:
    - image: circleci/golang:1.12
    environment:
      GO111MODULES: on

  goreleaser:
    docker:
    - image: goreleaser/goreleaser

commands:
  gomod:
    steps:
    - restore_cache:
        keys: [gomod-]
    - run:
        name: Download dependencies
        command: go mod download
    - save_cache:
        key: gomod-{{ checksum "go.sum" }}
        paths: [/go/pkg/mod]

jobs:
  test:
    executor: go
    steps:
    - checkout
    - gomod
    - run:
        name: Run tests
        command: go test -v ./...

  coverage:
    executor: go
    steps:
    - checkout
    - gomod
    - run:
        name: Create test coverage report
        command: go test -race -coverprofile=coverage.txt ./...
    - run:
        name: Print test coverage report
        command: go tool cover -func=coverage.txt
    - store_artifacts:
        path: ./coverage.txt
        destination: coverage.txt

  release-test:
    executor: goreleaser
    working_directory: /go/src/github.com/greenled/portainer-stack-utils
    steps:
    - checkout
    - setup_remote_docker
    - run:
        name: Create snapshot
        command: goreleaser --skip-publish --snapshot

  release:
    executor: goreleaser
    working_directory: /go/src/github.com/greenled/portainer-stack-utils
    steps:
    - checkout
    - setup_remote_docker
    - run:
        name: Create and publish release
        command: |
          docker login -u $CI_REGISTY_USER -p $CI_REGISTY_PASSWORD $CI_REGISTRY
          goreleaser

workflows:
  ci:
    jobs:
    - test
    - coverage
    - release-test
    - release:
        requires:
        - test
        - coverage
        - release-test
        filters:
          branches:
            ignore: /.*/
          tags:
            only: /^v.*/