---
version: '3'

tasks:
  container-structure-test:
    desc: Runs ContainerStructureTest for Dockerfile build
    hide:
      sh: '! find . -mindepth 1 -maxdepth 1 -name "Docker*.test.yml" | grep Docker'
    cmds:
      - task: container-structure-test:latest
      - task: container-structure-test:slim

  container-structure-test:latest:
    deps:
      - :install:software:container-structure-test
      - :install:software:docker
    log:
      error: '`container-structure-test` reported error(s) when testing
        `{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:latest`'
      start: Testing the `{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:latest`
        Docker image with `container-structure-test`
      success: '`{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:latest` was
        successfully validated by `container-structure-test`'
    cmds:
      - container-structure-test test --image {{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:latest
        --config Docker{{if .CLI_ARGS}}-{{.CLI_ARGS}}{{end}}.test.yml
    status:
      - '[[ "$(docker images -q {{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:latest 2>/dev/null)" == "" ]]'

  container-structure-test:slim:
    deps:
      - :install:software:container-structure-test
      - :install:software:docker
    log:
      error: '`container-structure-test` reported error(s) when testing
        `{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:slim`'
      start: Testing the `{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:slim`
        Docker image with `container-structure-test`
      success: '`{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:slim` was
        successfully validated by `container-structure-test`'
    cmds:
      - container-structure-test test --image {{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:slim
        --config Docker{{if .CLI_ARGS}}-{{.CLI_ARGS}}{{end}}.test.yml
    status:
      - '[[ "$(docker images -q {{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}:slim 2> /dev/null)" == "" ]]'

  gitlab-runner:
    deps:
      - :install:software:docker
      - :install:software:gitlab-runner
      - :install:software:jq
      - :install:software:yq
    env:
      CI_TESTS:
        sh: yq e 'keys | .[] | select( . | test("integration"))' .gitlab-ci.yml
    log:
      error: Error encountered while validating with the integration tests in `.gitlab-ci.yml`
      start: Running integration tests defined in `.gitlab-ci.yml`
      success: Successfully passed the integration tests defined in `.gitlab-ci.yml`
    cmds:
      - |
        for CI_TEST in $CI_TESTS; do
          export CI_TEST
          if [ "$(yq e '.[strenv(CI_TEST)].image' .gitlab-ci.yml)" != 'null' ]; then
            .config/log info 'Simulating the `'"$CI_TEST"'` job in `.gitlab-ci.yml`'
            gitlab-runner exec "$CI_TEST"
            .config/log success 'Successfully ran the `'"$CI_TEST"'` job in `.gitlab-ci.yml`'
          else
            .config/log warn "$CI_TEST does not appear to be an option with an image in .gitlab-ci.yml"
          fi
        done
    status:
      - >
        ! yq e 'keys | .[] | select( . | test("integration"))' .gitlab-ci.yml | grep 'integration:' > /dev/null

  output:
    deps:
      - :install:software:docker
    desc: For each project in the `test-output/` folder, ensure slim and latest output match with default command
    summary: |
      # Ensure Identical Output

      This task ensures the output of the default command is identical for both the latest and slim images.
      If both of the command's outputs match, then that is a good indicator that the slim image is
      behaiving like the latest image. The test is performed on each project folder in the `test-output/` folder.
    vars:
      IMAGE_NAME: '{{.DOCKERHUB_PROFILE}}/{{if .CLI_ARGS}}{{.CLI_ARGS}}{{else}}{{.SLUG}}{{end}}'
    hide:
      sh: '[ ! -d test-output ]'
    log:
      error: There was an error while comparing `latest` and `slim` image outputs for `{{.IMAGE_NAME}}`
      start: Comparing outputs of the `latest` and `slim` images for `{{.IMAGE_NAME}}`
      success: The outputs of the `latest` and `slim` images match for `{{.IMAGE_NAME}}`!
    cmds:
      - |
        if [[ "$(docker images -q {{.IMAGE_NAME}}:slim 2> /dev/null)" != "" ]] && \
        [[ "$(docker images -q {{.IMAGE_NAME}}:latest 2>/dev/null)" != "" ]]; then
          for TEST_SCENARIO in test-output/*/; do
            if [ "$TEST_SCENARIO" != 'test-output/*/' ]; then
              .config/log info 'Acquiring `latest` image output for `'"$TEST_SCENARIO"'`'
              LATEST_OUTPUT=$(docker run -v "${PWD}/${TEST_SCENARIO}:/work" -w /work {{.IMAGE_NAME}}:latest .)
              .config/log success 'Acquired `latest` image output for `'"$TEST_SCENARIO"'`'
              .config/log info 'Acquiring `slim` image output for `'"$TEST_SCENARIO"'`'
              SLIM_OUTPUT=$(docker run -v "${PWD}/${TEST_SCENARIO}:/work" -w /work {{.IMAGE_NAME}}:slim .)
              .config/log success 'Acquired `slim` image output for `'"$TEST_SCENARIO"'`'
              if [ "$LATEST_OUTPUT" != "$SLIM_OUTPUT" ]; then
                .config/log error 'The `latest` image output did not match the `slim` image output'
                echo "$LATEST_OUTPUT" > latest.log
                .config/log info 'The `latest` image output has been written to `latest.log`'
                echo "$SLIM_OUTPUT" > slim.log
                .config/log info 'The `slim` image output has been written to `slim.log`'
              fi
            fi
          done
        else
          .config/log warn 'Either the `slim` or `latest` image was not present so the output comparison was skipped'
        fi