# CIRRUS CONFIGURATION FILE
# https://cirrus-ci.org/guide/writing-tasks/

environment:
  # For details about environment variables used in Cirrus, including how encrypted variables work,
  # see https://cirrus-ci.org/guide/writing-tasks/#environment-variables
  # We change Flutter's directory to include a space in its name (see $CIRRUS_WORKING_DIR) so that
  # we constantly test path names with spaces in them. The FLUTTER_SDK_PATH_WITH_SPACE variable must
  # therefore have a space in it.
  FLUTTER_SDK_PATH_WITH_SPACE: "flutter sdk"
  # We force BOT to true so that all our tools know we're in a CI environment. This avoids any
  # dependency on precisely how Cirrus is detected by our tools.
  BOT: "true"

gcp_credentials: ENCRYPTED[!2c88dee9c9d9805b214c9f7ad8f3bc8fae936cdb0f881d562101151c408c7e024a41222677d5831df90c60d2dd6cd80a!]

# LINUX SHARDS
task:
  gke_container:
    dockerfile: "dev/ci/docker_linux/Dockerfile"
    builder_image_name: docker-builder-linux # gce vm image
    builder_image_project: flutter-cirrus
    cluster_name: test-cluster
    zone: us-central1-a
    namespace: default
    cpu: $CPU
    memory: $MEMORY
    use_in_memory_disk: $USE_IN_MEMORY_DISK
  environment:
    # We shrink our default resource requirement as much as possible because that way we are more
    # likely to get scheduled. We require 4G of RAM because most of the shards (all but one as of
    # October 2019) just get OOM-killed with less. Some shards may need more. When increasing the
    # requirements for select shards, please leave a comment on those shards saying when you
    # increased the requirements, what numbers you tried, and what the results were.
    CPU: 1 # 0.1-8 without compute credits, 0.1-30 with (yes, you can go fractional)
    MEMORY: 4G # 256M-24G without compute credits, 256M-90G with
    CIRRUS_WORKING_DIR: "/tmp/$FLUTTER_SDK_PATH_WITH_SPACE"
    CIRRUS_DOCKER_CONTEXT: "dev/"
    PATH: "$CIRRUS_WORKING_DIR/bin:$CIRRUS_WORKING_DIR/bin/cache/dart-sdk/bin:$PATH"
    ANDROID_SDK_ROOT: "/opt/android_sdk"
    SHOULD_UPDATE_PACKAGES: 'TRUE' # can be overridden at the task level
    USE_IN_MEMORY_DISK: false
  pub_cache:
    folder: $HOME/.pub-cache
    fingerprint_script: echo $OS; grep -r --include=pubspec.yaml 'PUBSPEC CHECKSUM' "$CIRRUS_WORKING_DIR"
    reupload_on_changes: false
  flutter_pkg_cache:
    folder: bin/cache/pkg
    fingerprint_script: echo $OS; cat bin/internal/*.version
    reupload_on_changes: false
  artifacts_cache:
    folder: bin/cache/artifacts
    fingerprint_script: echo $OS; cat bin/internal/*.version
    reupload_on_changes: false
  setup_script:
    - date
    - git clean -xffd --exclude=bin/cache/
    - git fetch origin
    - git fetch origin master # To set FETCH_HEAD, so that "git merge-base" works.
    - flutter config --no-analytics
    - if [ "$SHOULD_UPDATE_PACKAGES" == TRUE ]; then flutter update-packages; fi
    - flutter doctor -v
    - ./dev/bots/accept_android_sdk_licenses.sh
    - date
  on_failure:
    failure_script:
      - date
      - which flutter
  matrix:
    - name: analyze-linux # linux-only
      only_if: "$CIRRUS_PR != ''"
      environment:
        # Empirically, the analyze-linux shard runs surprisingly fast (under 15 minutes) with just 1
        # CPU.  We noticed OOM failures with 6GB 4/2020, so we increased the memory.
        CPU: 1
        MEMORY: 8G
      script:
        - dart --enable-asserts ./dev/bots/analyze.dart

    - name: framework_tests-widgets-linux
      only_if: "changesInclude('.cirrus.yml', 'dev/**', 'packages/flutter/**', 'packages/flutter_test/**', 'packages/flutter_tools/lib/src/test/**', 'bin/**') && $CIRRUS_PR != ''"
      environment:
        # We use 3 CPUs because that's the minimum required to get framework_tests-widgets-linux
        # running fast enough that it is not the long pole, as of October 2019.
        CPU: 3
      script:
        - dart --enable-asserts ./dev/bots/test.dart

    - name: framework_tests-libraries-linux
      only_if: "changesInclude('.cirrus.yml', 'dev/**', 'packages/flutter/**', 'packages/flutter_test/**', 'packages/flutter_tools/lib/src/test/**', 'bin/**') && $CIRRUS_PR != ''"
      environment:
        # We use 3 CPUs because that's the minimum required to get the
        # framework_tests-libraries-linux shard running fast enough that it is not the long pole, as
        # of October 2019.
        CPU: 3
      script:
        - dart --enable-asserts ./dev/bots/test.dart

    - name: framework_tests-misc-linux
      # this includes the tests for directories in dev/
      only_if: "changesInclude('.cirrus.yml', 'dev/**', 'packages/flutter/**', 'packages/flutter_goldens/**', 'packages/flutter_test/**', 'packages/flutter_tools/lib/src/test/**', 'bin/**') && $CIRRUS_PR != ''"
      environment:
        # We use 3 CPUs because that's the minimum required to get framework_tests-misc-linux
        # running fast enough that it is not the long pole, as of October 2019.
        CPU: 3
      script:
        - dart --enable-asserts ./dev/bots/test.dart

    - name: tool_tests-general-linux
      only_if: "changesInclude('.cirrus.yml', 'dev/**', 'packages/flutter_tools/**', 'bin/**') && $CIRRUS_PR != ''"
      environment:
        # As of November 2019, the tool_tests-general-linux shard got faster with more CPUs up to 4
        # CPUs, and needed at least 10G of RAM to not run out of memory.
        CPU: 4
        MEMORY: 10G
        SHOULD_UPDATE_PACKAGES: "FALSE"
      script:
        - (cd packages/flutter_tools; dart __deprecated_pub get)
        - (cd packages/flutter_tools/test/data/asset_test/main; dart __deprecated_pub get)
        - (cd packages/flutter_tools/test/data/asset_test/font; dart __deprecated_pub get)
        - (cd dev/bots; dart __deprecated_pub get)
        - dart --enable-asserts ./dev/bots/test.dart

    - name: tool_tests-commands-linux
      only_if: "changesInclude('.cirrus.yml', 'dev/**', 'packages/flutter_tools/**', 'bin/**') && $CIRRUS_PR != ''"
      environment:
        # As of October 2019, the tool_tests-commands-linux shard got faster with more CPUs up to 6
        # CPUs, and needed at least 8G of RAM to not run out of memory.
        # Increased to 10GB on 19th Nov 2019 due to significant number of OOMKilled failures on PR builds.
        CPU: 6
        MEMORY: 10G
        SHOULD_UPDATE_PACKAGES: "FALSE"
      script:
        - (cd packages/flutter_tools; dart __deprecated_pub get)
        - (cd dev/bots; dart __deprecated_pub get)
        - dart --enable-asserts ./dev/bots/test.dart

    - name: docs-linux # linux-only
      environment:
        CPU: 4
        MEMORY: 12G
      only_if: "$CIRRUS_PR != ''"
      script:
        - ./dev/bots/docs.sh

    - name: customer_testing-linux
      only_if: "$CIRRUS_PR != ''"
      environment:
        # Empirically, this shard runs fine at 1 CPU and 4G RAM as of October 2019. We will probably
        # want to grow this container when we invite people to add their tests in large numbers.
        SHOULD_UPDATE_PACKAGES: "FALSE"
      script:
        # Cirrus doesn't give us the master branch, so we have to fetch it for ourselves,
        # otherwise we won't be able to figure out how old or new our current branch is.
        - git config user.email "cirrus-bot@invalid"
        - git fetch origin master:master
        # The actual logic is in a shell script so that it can be shared between CIs.
        - (cd dev/customer_testing/; ./ci.sh)