# https://circleci.com/docs/2.0/

version: 2
workflows:
  version: 2
  ci:
    jobs:
      # - "lint"
      # - "debian-8"
      # - "debian-9"
      # - "ubuntu-16.04"
      # - "ubuntu-18.04"
      # - "centos-7"
      # - "fedora-27"
      # - "fedora-28"

      - "magic-folder-ubuntu-14.04"
      # - "deprecations"

jobs:
  lint:
    docker:
      - image: "circleci/python:2"

    steps:
      - "checkout"

      - run:
          name: "Install tox"
          command: |
            pip install --user tox

      - run:
          name: "Static-ish code checks"
          command: |
            ~/.local/bin/tox -e codechecks

  debian-8: &DEBIAN
    docker:
      - image: "debian:8"

    environment: &UTF_8_ENVIRONMENT
      # Tell Hypothesis which configuration we want it to use.
      TAHOE_LAFS_HYPOTHESIS_PROFILE: "ci"
      # Tell the C runtime things about character encoding (mainly to do with
      # filenames and argv).
      LANG: "en_US.UTF-8"
      # Select a tox environment to run for this job.
      TAHOE_LAFS_TOX_ENVIRONMENT: "coverage"
      # Additional arguments to pass to tox.
      TAHOE_LAFS_TOX_ARGS: ""

    steps:
      - run: &INSTALL_GIT
          node: "Install Git"
          command: "${CIRCLE_WORKING_DIRECTORY}/.circleci/install-git.sh"

      - "checkout"

      - run: &BOOTSTRAP_TEST_ENVIRONMENT
          name: "Bootstrap test environment"
          command: "${CIRCLE_WORKING_DIRECTORY}/.circleci/bootstrap-test-environment.sh"

      - run: &SETUP_VIRTUALENV
          name: "Setup virtualenv"
          # pip cannot install packages if the working directory is not
          # readable.
          working_directory: "/tmp"
          command: "${CIRCLE_WORKING_DIRECTORY}/.circleci/setup-virtualenv.sh"

      - run: &RUN_TESTS
          name: "Run test suite"
          # Something about when it re-uses an existing environment blows up
          # if the working directory is not readable.
          working_directory: "/tmp"
          command: "${CIRCLE_WORKING_DIRECTORY}/.circleci/setup-virtualenv.sh"

      - store_artifacts: &STORE_TEST_LOG
          # Despite passing --workdir /tmp to tox above, it still runs trial
          # in the project source checkout.
          path: "/tmp/project/_trial_temp/test.log"

      - store_artifacts: &STORE_OTHER_ARTIFACTS
          # Store any other artifacts, too.  This is handy to allow other jobs
          # sharing most of the definition of this one to be able to
          # contribute artifacts easily.
          path: "/tmp/artifacts"

      - run: &SUBMIT_COVERAGE
          name: "Submit coverage results"
          command: |
            /tmp/tests/bin/codecov


  debian-9:
    <<: *DEBIAN
    docker:
      - image: "debian:9"


  deprecations:
    <<: *DEBIAN
    docker:
      - image: "debian:9"

    environment:
      <<: *UTF_8_ENVIRONMENT
      # Select the deprecations tox environments.
      TAHOE_LAFS_TOX_ENVIRONMENT: "deprecations,upcoming-deprecations"
      # Put the logs somewhere we can report them.
      TAHOE_LAFS_WARNINGS_LOG: "/tmp/artifacts/deprecation-warnings.log"


  ubuntu-16.04:
    <<: *DEBIAN
    docker:
      - image: "ubuntu:16.04"

    environment:
      <<: *UTF_8_ENVIRONMENT
      # Necessary for en_US LANG setting.
      EXTRA_PACKAGES: "language-pack-en"


  ubuntu-18.04:
    <<: *DEBIAN
    docker:
      - image: "ubuntu:18.04"

    environment:
      <<: *UTF_8_ENVIRONMENT
      # Necessary for automatic address detection/assignment.
      EXTRA_PACKAGES: "iproute2"


  centos-7: &RHEL_DERIV
    docker:
      - image: "centos:7"

    environment: *UTF_8_ENVIRONMENT

    steps:
      - run:
          node: "Install Git"
          command: |
            yum install --assumeyes git

      - "checkout"

      - run:
          name: "Bootstrap test environment"
          working_directory: "/tmp"
          command: |
            # Avoid the /nonexistent home directory in nobody's /etc/passwd
            # entry.
            usermod --home /tmp/nobody nobody

            # Grant read access to nobody, the user which will eventually try
            # to test this checkout.
            mv /root/project /tmp/project

            # Python build/install toolchain wants to write to the source
            # checkout, too.
            chown --recursive nobody:nobody /tmp/project

            yum install --assumeyes \
                sudo \
                make automake gcc gcc-c++ \
                python \
                python-devel \
                libffi-devel \
                openssl-devel \
                libyaml-devel \
                python-virtualenv

            # XXX net-tools is actually a Tahoe-LAFS runtime dependency!
            yum install --assumeyes \
                net-tools

      - run: *SETUP_VIRTUALENV
      - run: *RUN_TESTS

      - store_artifacts: *STORE_TEST_LOG
      - store_artifacts: *STORE_OTHER_ARTIFACTS
      - run: *SUBMIT_COVERAGE


  fedora-27:
    <<: *RHEL_DERIV
    docker:
      - image: "fedora:27"


  fedora-28:
    <<: *RHEL_DERIV
    docker:
      - image: "fedora"


  magic-folder-ubuntu-14.04:
    machine:
      enabled: true
      image: "circleci/classic:201711-01"

    environment:
      <<: *UTF_8_ENVIRONMENT
      TAHOE_LAFS_TOX_ARGS: "-- allmydata.test.test_magic_folder"

    # Unfortunately, duplicate all the steps here but run with `sudo`.
    steps:
      - run:
          <<: *INSTALL_GIT
          command: "sudo ${CIRCLE_WORKING_DIRECTORY}/.circleci/install-git.sh"

      - "checkout"

      - run:
          <<: *BOOTSTRAP_TEST_ENVIRONMENT
          command: "${CIRCLE_WORKING_DIRECTORY}/.circleci/bootstrap-test-environment.sh"

      - run:
          <<: *SETUP_VIRTUALENV
          command: "sudo ${CIRCLE_WORKING_DIRECTORY}/.circleci/setup-virtualenv.sh"

      - run:
          <<: *RUN_TESTS
          command: "sudo ${CIRCLE_WORKING_DIRECTORY}/.circleci/setup-virtualenv.sh"

      - store_artifacts: *STORE_TEST_LOG
      - store_artifacts: *STORE_OTHER_ARTIFACTS
      - run: *SUBMIT_COVERAGE