---
version: 2.1

orbs:
  prometheus: prometheus/prometheus@0.11.0

executors:
  # Whenever the Go version is updated here, .promu.yml and .promu-cgo.yml
  # should also be updated.
  golang:
    docker:
    - image: circleci/golang:1.16

jobs:
  test:
    executor: golang

    steps:
    - prometheus/setup_environment
    - run: go mod download
    - run: make
    - prometheus/store_artifact:
        file: node_exporter

  codespell:
    docker:
    - image: circleci/python

    steps:
    - checkout
    - run: sudo pip install codespell
    - run: codespell --skip=".git,./vendor,ttar,go.mod,go.sum,*pem,./collector/fixtures" -L uint,packages\',uptodate

  test_mixins:
    executor: golang
    steps:
    - checkout
    - run:
        command: go install -mod=readonly github.com/google/go-jsonnet/cmd/jsonnet github.com/google/go-jsonnet/cmd/jsonnetfmt github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb github.com/prometheus/prometheus/cmd/promtool
        working_directory: ~/project/docs/node-mixin
    - run:
        command: make clean
        working_directory: ~/project/docs/node-mixin
    - run:
        command: jb install
        working_directory: ~/project/docs/node-mixin
    - run:
        command: make
        working_directory: ~/project/docs/node-mixin
    - run:
        command: git diff --exit-code
        working_directory: ~/project/docs/node-mixin

  build:
    machine:
      image: ubuntu-2004:202101-01

    parallelism: 3

    steps:
    - prometheus/setup_environment
    - run: docker run --privileged linuxkit/binfmt:v0.8
    - run: promu crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
    - run: promu --config .promu-cgo.yml crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
    - persist_to_workspace:
        root: .
        paths:
        - .build
    - store_artifacts:
        path: .build
        destination: /build

  test_docker:
    machine:
      image: ubuntu-2004:202101-01

    environment:
      DOCKER_TEST_IMAGE_NAME: quay.io/prometheus/golang-builder:1.16-base
      REPO_PATH: github.com/prometheus/node_exporter

    steps:
    - prometheus/setup_environment
    - attach_workspace:
        at: .
    - run:
        command: |
          if [ -n "$CIRCLE_TAG" ]; then
            make docker DOCKER_IMAGE_TAG=$CIRCLE_TAG
          else
            make docker
          fi
    - run: docker images
    - run: docker run --rm -t -v "$(pwd):/app" "${DOCKER_TEST_IMAGE_NAME}" -i "${REPO_PATH}" -T
    - run:
        command: |
          if [ -n "$CIRCLE_TAG" ]; then
            make test-docker DOCKER_IMAGE_TAG=$CIRCLE_TAG
          else
            make test-docker
          fi

workflows:
  version: 2
  node_exporter:
    jobs:
    - test:
        filters:
          tags:
            only: /.*/
    - build:
        filters:
          tags:
            only: /.*/
    - codespell:
        filters:
          tags:
            only: /.*/
    - test_docker:
        requires:
        - test
        - build
        filters:
          tags:
            only: /.*/
    - test_mixins:
        filters:
          tags:
            only: /.*/
    - prometheus/publish_master:
        context: org-context
        requires:
        - test
        - build
        filters:
          branches:
            only: master
    - prometheus/publish_release:
        context: org-context
        requires:
        - test
        - build
        filters:
          tags:
            only: /^v.*/
          branches:
            ignore: /.*/