stages:
  - build
  - build docker image
  - test
  - upload artifacts

variables:
  GIT_SUBMODULE_STRATEGY: recursive
  FF_USE_FASTZIP: 1
  CACHE_COMPRESSION_LEVEL: fastest

# --------------------------------------------------------------------- #
#  Cargo: Compiling for different architectures                         #
# --------------------------------------------------------------------- #

.build-cargo-shared-settings:
  stage: "build"
  needs: []
  rules:
    - if: '$CI_COMMIT_BRANCH == "master"'
    - if: '$CI_COMMIT_BRANCH == "next"'
    - if: "$CI_COMMIT_TAG"
  interruptible: true
  image: "rust:latest"
  tags: ["docker"]
  cache:
    paths:
      - cargohome
      - target/
    key: "build_cache--$TARGET--$CI_COMMIT_BRANCH--release"
  variables:
    CARGO_PROFILE_RELEASE_LTO: "true"
    CARGO_PROFILE_RELEASE_CODEGEN_UNITS: "1"
  before_script:
    - 'echo "Building for target $TARGET"'
    - 'mkdir -p cargohome && CARGOHOME="cargohome"'
    - "rustc --version && cargo --version && rustup show" # Print version info for debugging
    - "rustup target add $TARGET"
  script:
    - time cargo build --target $TARGET --release
    - 'cp "target/$TARGET/release/conduit" "conduit-$TARGET"'
  artifacts:
    expire_in: never

build:release:cargo:x86_64-unknown-linux-musl-with-debug:
  extends: .build-cargo-shared-settings
  image: messense/rust-musl-cross:x86_64-musl
  variables:
    CARGO_PROFILE_RELEASE_DEBUG: 2 # Enable debug info for flamegraph profiling
    TARGET: "x86_64-unknown-linux-musl"
  after_script:
    - "mv ./conduit-x86_64-unknown-linux-musl ./conduit-x86_64-unknown-linux-musl-with-debug"
  artifacts:
    name: "conduit-x86_64-unknown-linux-musl-with-debug"
    paths:
      - "conduit-x86_64-unknown-linux-musl-with-debug"
    expose_as: "Conduit for x86_64-unknown-linux-musl-with-debug"

build:release:cargo:x86_64-unknown-linux-musl:
  extends: .build-cargo-shared-settings
  image: messense/rust-musl-cross:x86_64-musl
  variables:
    TARGET: "x86_64-unknown-linux-musl"
  artifacts:
    name: "conduit-x86_64-unknown-linux-musl"
    paths:
      - "conduit-x86_64-unknown-linux-musl"
    expose_as: "Conduit for x86_64-unknown-linux-musl"

build:release:cargo:arm-unknown-linux-musleabihf:
  extends: .build-cargo-shared-settings
  image: messense/rust-musl-cross:arm-musleabihf
  variables:
    TARGET: "arm-unknown-linux-musleabihf"
  artifacts:
    name: "conduit-arm-unknown-linux-musleabihf"
    paths:
      - "conduit-arm-unknown-linux-musleabihf"
    expose_as: "Conduit for arm-unknown-linux-musleabihf"

build:release:cargo:armv7-unknown-linux-musleabihf:
  extends: .build-cargo-shared-settings
  image: messense/rust-musl-cross:armv7-musleabihf
  variables:
    TARGET: "armv7-unknown-linux-musleabihf"
  artifacts:
    name: "conduit-armv7-unknown-linux-musleabihf"
    paths:
      - "conduit-armv7-unknown-linux-musleabihf"
    expose_as: "Conduit for armv7-unknown-linux-musleabihf"

build:release:cargo:aarch64-unknown-linux-musl:
  extends: .build-cargo-shared-settings
  image: messense/rust-musl-cross:aarch64-musl
  variables:
    TARGET: "aarch64-unknown-linux-musl"
  artifacts:
    name: "conduit-aarch64-unknown-linux-musl"
    paths:
      - "conduit-aarch64-unknown-linux-musl"
    expose_as: "Conduit for aarch64-unknown-linux-musl"

.cargo-debug-shared-settings:
  extends: ".build-cargo-shared-settings"
  rules:
    - if: '$CI_COMMIT_BRANCH != "master"'
  cache:
    key: "build_cache--$TARGET--$CI_COMMIT_BRANCH--debug"
  script:
    - "time cargo build --target $TARGET"
    - 'mv "target/$TARGET/debug/conduit" "conduit-debug-$TARGET"'
  artifacts:
    expire_in: 4 weeks

build:debug:cargo:x86_64-unknown-linux-musl:
  extends: ".cargo-debug-shared-settings"
  image: messense/rust-musl-cross:x86_64-musl
  variables:
    TARGET: "x86_64-unknown-linux-musl"
  artifacts:
    name: "conduit-debug-x86_64-unknown-linux-musl"
    paths:
      - "conduit-debug-x86_64-unknown-linux-musl"
    expose_as: "Conduit DEBUG for x86_64-unknown-linux-musl"

# --------------------------------------------------------------------- #
#  Create and publish docker image                                      #
# --------------------------------------------------------------------- #

.docker-shared-settings:
  stage: "build docker image"
  image: jdrouet/docker-with-buildx:stable
  tags: ["docker"]
  services:
    - docker:dind
  needs:
    - "build:release:cargo:x86_64-unknown-linux-musl"
    - "build:release:cargo:arm-unknown-linux-musleabihf"
    - "build:release:cargo:armv7-unknown-linux-musleabihf"
    - "build:release:cargo:aarch64-unknown-linux-musl"
  variables:
    DOCKER_HOST: tcp://docker:2375/
    DOCKER_TLS_CERTDIR: ""
    DOCKER_DRIVER: overlay2
    PLATFORMS: "linux/arm/v6,linux/arm/v7,linux/arm64/v8,linux/amd64"
    DOCKER_FILE: "docker/ci-binaries-packaging.Dockerfile"
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
    # Only log in to Dockerhub if the credentials are given:
    - if [ -n "${DOCKER_HUB}" ]; then docker login -u "$DOCKER_HUB_USER" -p "$DOCKER_HUB_PASSWORD" "$DOCKER_HUB"; fi
  script:
    # Prepare buildx to build multiarch stuff:
    - docker context create 'ci-context'
    - docker buildx create --name 'multiarch-builder' --use 'ci-context'
    # Copy binaries to their docker arch path
    - mkdir -p linux/ && mv ./conduit-x86_64-unknown-linux-musl linux/amd64
    - mkdir -p linux/arm/ && mv ./conduit-arm-unknown-linux-musleabihf linux/arm/v6
    - mkdir -p linux/arm/ && mv ./conduit-armv7-unknown-linux-musleabihf linux/arm/v7
    - mkdir -p linux/arm64/ && mv ./conduit-aarch64-unknown-linux-musl linux/arm64/v8
    # Actually create multiarch image:
    - >
      docker buildx build
      --pull
      --push
      --build-arg CREATED=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
      --build-arg VERSION=$(grep -m1 -o '[0-9].[0-9].[0-9]' Cargo.toml)
      --build-arg "GIT_REF=$CI_COMMIT_SHORT_SHA"
      --platform "$PLATFORMS"
      --tag "$GL_IMAGE_TAG"
      --tag "$GL_IMAGE_TAG-commit-$CI_COMMIT_SHORT_SHA"
      --file "$DOCKER_FILE" .
    # Only try to push to docker hub, if auth data for dockerhub exists:
    - if [ -n "${DOCKER_HUB}" ]; then docker push "$DH_IMAGE_TAG"; fi
    - if [ -n "${DOCKER_HUB}" ]; then docker push "$DH_IMAGE_TAG-commit-$CI_COMMIT_SHORT_SHA"; fi

build:docker:next:
  extends: .docker-shared-settings
  rules:
    - if: '$CI_COMMIT_BRANCH == "next"'
  variables:
    GL_IMAGE_TAG: "$CI_REGISTRY_IMAGE/matrix-conduit:next"
    DH_IMAGE_TAG: "$DOCKER_HUB_IMAGE/matrixconduit/matrix-conduit:next"

build:docker:master:
  extends: .docker-shared-settings
  rules:
    - if: '$CI_COMMIT_BRANCH == "master"'
  variables:
    GL_IMAGE_TAG: "$CI_REGISTRY_IMAGE/matrix-conduit:latest"
    DH_IMAGE_TAG: "$DOCKER_HUB_IMAGE/matrixconduit/matrix-conduit:latest"

## Build a docker image by packaging up the x86_64-unknown-linux-musl binary into an alpine image
#.docker-shared-settings:
#  stage: "build docker image"
#  needs: []
#  interruptible: true
#  image:
#    name: "gcr.io/kaniko-project/executor:debug"
#    entrypoint: [""]
#  tags: ["docker"]
#  variables:
#    # Configure Kaniko Caching: https://cloud.google.com/build/docs/kaniko-cache
#    KANIKO_CACHE_ARGS: "--cache=true --cache-copy-layers=true --cache-ttl=120h --cache-repo $CI_REGISTRY_IMAGE/kaniko-ci-cache"
#  before_script:
#    - "mkdir -p /kaniko/.docker"
#    - 'echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"},\"$DOCKER_HUB\":{\"username\":\"$DOCKER_HUB_USER\",\"password\":\"$DOCKER_HUB_PASSWORD\"}}}" > /kaniko/.docker/config.json'
#
#
#build:docker:next:
#  extends: .docker-shared-settings
#  needs:
#    - "build:release:cargo:x86_64-unknown-linux-musl"
#  script:
#    - >
#      /kaniko/executor
#      $KANIKO_CACHE_ARGS
#      --force
#      --context $CI_PROJECT_DIR
#      --build-arg CREATED=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
#      --build-arg VERSION=$(grep -m1 -o '[0-9].[0-9].[0-9]' Cargo.toml)
#      --build-arg "GIT_REF=$CI_COMMIT_SHORT_SHA"
#      --dockerfile "$CI_PROJECT_DIR/docker/ci-binaries-packaging.Dockerfile"
#      --destination "$CI_REGISTRY_IMAGE/conduit:next"
#      --destination "$CI_REGISTRY_IMAGE/conduit:next-alpine"
#      --destination "$CI_REGISTRY_IMAGE/conduit:commit-$CI_COMMIT_SHORT_SHA"
#      --destination "$DOCKER_HUB_IMAGE/matrixconduit/matrix-conduit:next"
#      --destination "$DOCKER_HUB_IMAGE/matrixconduit/matrix-conduit:next-alpine"
#      --destination "$DOCKER_HUB_IMAGE/matrixconduit/matrix-conduit:commit-$CI_COMMIT_SHORT_SHA"
#  rules:
#    - if: '$CI_COMMIT_BRANCH == "next"'
#
#

# --------------------------------------------------------------------- #
#  Run tests                                                            #
# --------------------------------------------------------------------- #

test:cargo:
  stage: "test"
  needs: []
  image: "rust:latest"
  tags: ["docker"]
  variables:
    CARGO_HOME: "cargohome"
  cache:
    paths:
      - target
      - cargohome
    key: test_cache
  interruptible: true
  before_script:
    - mkdir -p $CARGO_HOME && echo "using $CARGO_HOME to cache cargo deps"
    - apt-get update -yqq
    - apt-get install -yqq --no-install-recommends build-essential libssl-dev pkg-config wget
    - rustup component add clippy rustfmt
    - wget "https://faulty-storage.de/gitlab-report"
    - chmod +x ./gitlab-report
  script:
    - rustc --version && cargo --version # Print version info for debugging
    - cargo fmt --all -- --check
    - "cargo test --color always --workspace --verbose --locked --no-fail-fast -- -Z unstable-options --format json | ./gitlab-report -p test > $CI_PROJECT_DIR/report.xml"
    - "cargo clippy --color always --verbose --message-format=json | ./gitlab-report -p clippy > $CI_PROJECT_DIR/gl-code-quality-report.json"
  artifacts:
    when: always
    reports:
      junit: report.xml
      codequality: gl-code-quality-report.json

test:sytest:
  stage: "test"
  allow_failure: true
  needs:
    - "build:debug:cargo:x86_64-unknown-linux-musl"
  image:
    name: "valkum/sytest-conduit:latest"
    entrypoint: [""]
  tags: ["docker"]
  variables:
    PLUGINS: "https://github.com/valkum/sytest_conduit/archive/master.tar.gz"
  before_script:
    - "mkdir -p /app"
    - "cp ./conduit-debug-x86_64-unknown-linux-musl /app/conduit"
    - "chmod +x /app/conduit"
    - "rm -rf /src && ln -s $CI_PROJECT_DIR/ /src"
    - "mkdir -p /work/server-0/database/ && mkdir -p /work/server-1/database/ && mkdir -p /work/server-2/database/"
    - "cd /"
  script:
    - "SYTEST_EXIT_CODE=0"
    - "/bootstrap.sh conduit || SYTEST_EXIT_CODE=1"
    - 'perl /sytest/tap-to-junit-xml.pl --puretap --input /logs/results.tap --output $CI_PROJECT_DIR/sytest.xml "Sytest" && cp /logs/results.tap $CI_PROJECT_DIR/results.tap'
    - "exit $SYTEST_EXIT_CODE"
  artifacts:
    when: always
    paths:
      - "$CI_PROJECT_DIR/sytest.xml"
      - "$CI_PROJECT_DIR/results.tap"
    reports:
      junit: "$CI_PROJECT_DIR/sytest.xml"

# --------------------------------------------------------------------- #
#  Store binaries as package so they have download urls                 #
# --------------------------------------------------------------------- #

publish:package:
  stage: "upload artifacts"
  needs:
    - "build:release:cargo:x86_64-unknown-linux-musl"
    - "build:release:cargo:arm-unknown-linux-musleabihf"
    - "build:release:cargo:armv7-unknown-linux-musleabihf"
    - "build:release:cargo:aarch64-unknown-linux-musl"
  #    - "build:cargo-deb:x86_64-unknown-linux-gnu"
  rules:
    - if: '$CI_COMMIT_BRANCH == "master"'
    - if: '$CI_COMMIT_BRANCH == "next"'
    - if: "$CI_COMMIT_TAG"
  image: curlimages/curl:latest
  tags: ["docker"]
  variables:
    GIT_STRATEGY: "none" # Don't need a clean copy of the code, we just operate on artifacts
  script:
    - 'BASE_URL="${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/conduit-${CI_COMMIT_REF_SLUG}/build-${CI_PIPELINE_ID}"'
    - 'curl --header "JOB-TOKEN: $CI_JOB_TOKEN" --upload-file conduit-x86_64-unknown-linux-musl "${BASE_URL}/conduit-x86_64-unknown-linux-musl"'
    - 'curl --header "JOB-TOKEN: $CI_JOB_TOKEN" --upload-file conduit-arm-unknown-linux-musleabihf "${BASE_URL}/conduit-arm-unknown-linux-musleabihf"'
    - 'curl --header "JOB-TOKEN: $CI_JOB_TOKEN" --upload-file conduit-armv7-unknown-linux-musleabihf "${BASE_URL}/conduit-armv7-unknown-linux-musleabihf"'
    - 'curl --header "JOB-TOKEN: $CI_JOB_TOKEN" --upload-file conduit-aarch64-unknown-linux-musl "${BASE_URL}/conduit-aarch64-unknown-linux-musl"'

# Avoid duplicate pipelines
# See: https://docs.gitlab.com/ee/ci/yaml/workflow.html#switch-between-branch-pipelines-and-merge-request-pipelines
workflow:
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
    - if: "$CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS"
      when: never
    - if: "$CI_COMMIT_BRANCH"