stages:
  - test
  - deploy
  - container-build

variables:
  DEBIAN_FRONTEND: noninteractive
  DEBIAN_OLD_STABLE: buster
  DEBIAN_STABLE: bullseye
  REPRODUCIBLE_FLAGS: -trimpath -ldflags=-buildid=

# set up apt for automated use
.apt-template: &apt-template
- export LC_ALL=C.UTF-8
- export DEBIAN_FRONTEND=noninteractive
- echo Etc/UTC > /etc/timezone
- echo 'quiet "1";'
       'APT::Install-Recommends "0";'
       'APT::Install-Suggests "0";'
       'APT::Acquire::Retries "20";'
       'APT::Get::Assume-Yes "true";'
       'Dpkg::Use-Pty "0";'
      > /etc/apt/apt.conf.d/99gitlab
- apt-get update
- apt-get dist-upgrade


# Set things up to use the OS-native packages for Go.  Anything that
# is downloaded by go during the `go fmt` stage is not coming from the
# Debian/Ubuntu repo. So those would need to be packaged for this to
# make it into Debian and/or Ubuntu.
.debian-native-template: &debian-native-template
  variables:
    GOPATH: /usr/share/gocode
  before_script:
    - apt-get update
    - apt-get -qy install --no-install-recommends
        build-essential
        ca-certificates
        git
        golang
        golang-github-cheekybits-genny-dev
        golang-github-jtolds-gls-dev
        golang-github-klauspost-reedsolomon-dev
        golang-github-lucas-clemente-quic-go-dev
        golang-github-smartystreets-assertions-dev
        golang-github-smartystreets-goconvey-dev
        golang-github-tjfoc-gmsm-dev
        golang-github-xtaci-kcp-dev
        golang-github-xtaci-smux-dev
        golang-golang-x-crypto-dev
        golang-golang-x-net-dev
        golang-goptlib-dev
        golang-golang-x-sys-dev
        golang-golang-x-text-dev
        golang-golang-x-xerrors-dev

# use Go installed as part of the official, Debian-based Docker images
.golang-docker-debian-template: &golang-docker-debian-template
  before_script:
    - apt-get update
    - apt-get -qy install --no-install-recommends
        ca-certificates
        git

.go-test: &go-test
  - gofmt -d .
  - test -z "$(go fmt ./...)"
  - go vet ./...
  - go test -v -race ./...

  - cd $CI_PROJECT_DIR/client/
  - go get
  - go build $REPRODUCIBLE_FLAGS

.test-template: &test-template
  artifacts:
    name: "${CI_PROJECT_PATH}_${CI_JOB_STAGE}_${CI_JOB_ID}_${CI_COMMIT_REF_NAME}_${CI_COMMIT_SHA}"
    paths:
      - client/*.aar
      - client/*.jar
      - client/client
    expire_in: 1 week
    when: on_success
  after_script:
    - echo "Download debug artifacts from https://gitlab.com/${CI_PROJECT_PATH}/-/jobs"
    # this file changes every time but should not be cached
    - rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
    - rm -rf $GRADLE_USER_HOME/caches/*/plugin-resolution/

# -- jobs ------------------------------------------------------------

android:
  image: golang:1.21-$DEBIAN_STABLE
  variables:
    ANDROID_HOME: /usr/lib/android-sdk
    LANG: C.UTF-8
  cache:
    paths:
      - .gradle/wrapper
      - .gradle/caches
  <<: *test-template
  before_script:
    - *apt-template
    - apt-get install
        android-sdk-platform-23
        android-sdk-platform-tools
        build-essential
        curl
        default-jdk-headless
        git
        gnupg
        unzip
        wget
        ca-certificates

    - ndk=android-ndk-r21e-linux-x86_64.zip
    - wget --continue --no-verbose https://dl.google.com/android/repository/$ndk
    - echo "ad7ce5467e18d40050dc51b8e7affc3e635c85bd8c59be62de32352328ed467e  $ndk" > $ndk.sha256
    - sha256sum -c $ndk.sha256
    - unzip -q $ndk
    - rm ${ndk}*
    - mv android-ndk-* $ANDROID_HOME/ndk-bundle/

    - chmod -R a+rX $ANDROID_HOME
  script:
    - *go-test
    - export GRADLE_USER_HOME=$CI_PROJECT_DIR/.gradle
    - go version
    - go env

    - go get golang.org/x/mobile/cmd/gomobile
    - go get golang.org/x/mobile/cmd/gobind
    - go install golang.org/x/mobile/cmd/gobind
    - go install golang.org/x/mobile/cmd/gomobile
    - gomobile init

    - cd $CI_PROJECT_DIR/client
    # gomobile builds a shared library not a CLI executable
    - sed -i 's,^package main$,package snowflakeclient,' *.go
    - go get golang.org/x/mobile/bind
    - gomobile bind -v -target=android $REPRODUCIBLE_FLAGS .

go-1.21:
  image: golang:1.21-$DEBIAN_STABLE
  <<: *golang-docker-debian-template
  <<: *test-template
  script:
    - *go-test

debian-testing:
  image: debian:testing
  <<: *debian-native-template
  <<: *test-template
  script:
    - *go-test

shadow-integration:
  image: golang:1.21-$DEBIAN_STABLE
  variables:
    SHADOW_VERSION: "193924aae0dab30ffda0abe29467f552949849fa"
    TGEN_VERSION: "v1.1.2"
  cache:
    key: sf-integration-$SHADOW_VERSION-$TGEN_VERSION
    paths:
      - /opt/
  artifacts:
    paths:
      - shadow.data.tar.gz
    when: on_failure
  tags:
    - amd64
    - tpa
  script:
    - apt-get update
    - apt-get install -y git tor
    - mkdir -p ~/.local/bin
    - mkdir -p ~/.local/src
    - export PATH=$PATH:$CI_PROJECT_DIR/opt/bin/

    # Install shadow and tgen
    - pushd ~/.local/src
    - |
      if [ ! -f opt/shadow/bin/shadow ]
      then
        echo "The required version of shadow was not cached, building from source"
        git clone --shallow-since=2021-08-01 https://github.com/shadow/shadow.git
        pushd shadow/
        git checkout $SHADOW_VERSION
        CONTAINER=debian:stable-slim ci/container_scripts/install_deps.sh
        CC=gcc CONTAINER=debian:stable-slim ci/container_scripts/install_extra_deps.sh
        export PATH="$HOME/.cargo/bin:${PATH}"
        ./setup build --jobs $(nproc) --prefix $CI_PROJECT_DIR/opt/
        ./setup install
        popd
      fi
    - |
      if [ ! -f opt/shadow/bin/tgen ]
      then
        echo "The required version of tgen was not cached, building from source"
        git clone --branch $TGEN_VERSION --depth 1 https://github.com/shadow/tgen.git
        pushd tgen/
        apt-get install -y cmake libglib2.0-dev libigraph-dev
        mkdir build && cd build
        cmake .. -DCMAKE_INSTALL_PREFIX=$CI_PROJECT_DIR/opt/
        make
        make install
        popd
      fi
      install $CI_PROJECT_DIR/opt/bin/tgen ~/.local/bin/tgen
    - popd

    # Apply snowflake patch(es)
    - |
      git clone --depth 1 https://github.com/cohosh/shadow-snowflake-minimal
      git am -3 shadow-snowflake-minimal/*.patch

    # Install snowflake binaries to .local folder
    - |
      for app in "proxy" "client" "server" "broker" "probetest"; do
        pushd $app
        go build
        install $app ~/.local/bin/snowflake-$app
        popd
      done

    # Install stun server
    - GOBIN=~/.local/bin go install github.com/gortc/stund@latest

    # Run a minimal snowflake shadow experiment
    - pushd shadow-snowflake-minimal/
    - shadow --log-level=debug --model-unblocked-syscall-latency=true snowflake-minimal.yaml > shadow.log
    - tar -czvf $CI_PROJECT_DIR/shadow.data.tar.gz shadow.data/

    # Check to make sure streams succeeded
    - |
      if [ $(grep -c "stream-success" shadow.data/hosts/snowflakeclient/tgen.*.stdout) = 10 ]
      then
        echo "All streams in shadow completed successfully"
      else
        echo "Shadow simulation failed"
        exit 1
      fi

generate_tarball:
  stage: deploy
  image: golang:1.21-$DEBIAN_STABLE
  rules:
    - if: $CI_COMMIT_TAG
  script:
    - go mod vendor
    - tar czf ${CI_PROJECT_NAME}-${CI_COMMIT_TAG}.tar.gz --transform "s,^,${CI_PROJECT_NAME}-${CI_COMMIT_TAG}/," *
  after_script:
    - echo TAR_JOB_ID=$CI_JOB_ID >> generate_tarball.env
  artifacts:
    paths:
      - ${CI_PROJECT_NAME}-${CI_COMMIT_TAG}.tar.gz
    reports:
      dotenv: generate_tarball.env

release-job:
  stage: deploy
  image: registry.gitlab.com/gitlab-org/release-cli:latest
  rules:
    - if: $CI_COMMIT_TAG
  needs:
    - job: generate_tarball
      artifacts: true
  script:
    - echo "running release_job"
  release:
    name: 'Release $CI_COMMIT_TAG'
    description: 'Created using the release-cli'
    tag_name: '$CI_COMMIT_TAG'
    ref: '$CI_COMMIT_TAG'
    assets:
      links:
        - name: '${CI_PROJECT_NAME}-${CI_COMMIT_TAG}.tar.gz'
          url: '${CI_PROJECT_URL}/-/jobs/${TAR_JOB_ID}/artifacts/file/${CI_PROJECT_NAME}-${CI_COMMIT_TAG}.tar.gz'

# Build the container only if the commit is to main, or it is a tag.
# If the commit is to main, then the docker image tag should be set to `latest`.
# If it is a tag, then the docker image tag should be set to the tag name.
build-container:
  variables:
    TAG: $CI_COMMIT_TAG # Will not be set on a non-tag build, will be set later 
  stage: container-build
  parallel:
    matrix:
      - ARCH: amd64
      - ARCH: arm64
      - ARCH: s390x
  tags:
    - $ARCH
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [""]
  script:
    - if [ $CI_COMMIT_REF_NAME == "main" ]; then export TAG='nightly'; fi
    - >-
      /kaniko/executor
      --context "${CI_PROJECT_DIR}"
      --dockerfile "${CI_PROJECT_DIR}/Dockerfile"
      --destination "${CI_REGISTRY_IMAGE}:${TAG}_${ARCH}"
  rules:
    - if: $CI_COMMIT_REF_NAME == "main"
    - if: $CI_COMMIT_TAG

merge-manifests:
  variables:
    TAG: $CI_COMMIT_TAG
  stage: container-build
  needs:
    - job: build-container
      artifacts: false
  image:
      name: mplatform/manifest-tool:alpine
      entrypoint: [""]
  script:
    - if [ $CI_COMMIT_REF_NAME == "main" ]; then export TAG='nightly'; fi
    - >-
      manifest-tool
      --username="${CI_REGISTRY_USER}"
      --password="${CI_REGISTRY_PASSWORD}"
      push from-args
      --platforms linux/amd64,linux/arm64,linux/s390x
      --template "${CI_REGISTRY_IMAGE}:${TAG}_ARCH"
      --target "${CI_REGISTRY_IMAGE}:${TAG}"
  rules:
    - if: $CI_COMMIT_REF_NAME == "main"
      when: always
    - if: $CI_COMMIT_TAG
      when: always

# If this is a tag, then we want to additionally tag the image as `stable`
tag-container-release:
  stage: container-build
  needs:
    - job: merge-manifests
      artifacts: false
  image: quay.io/podman/stable
  allow_failure: false
  variables:
    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
    RELEASE_TAG: $CI_REGISTRY_IMAGE:latest
  script:
    - echo "Tagging docker image with stable tag"
    - echo -n "$CI_JOB_TOKEN" | podman login -u gitlab-ci-token --password-stdin $CI_REGISTRY
    - podman pull $IMAGE_TAG || true
    - podman tag $IMAGE_TAG $RELEASE_TAG
    - podman push $RELEASE_TAG
  rules:
    - if: $CI_COMMIT_TAG
      when: always

clean-image-tags:
  stage: container-build
  needs:
    - job: merge-manifests
      artifacts: false
  image: containers.torproject.org/tpo/tpa/base-images:bookworm
  before_script:
    - *apt-template
    - apt-get install -y jq curl
  script:
    - "REGISTRY_ID=$(curl --silent --request GET --header \"JOB-TOKEN: ${CI_JOB_TOKEN}\" \"https://gitlab.torproject.org/api/v4/projects/${CI_PROJECT_ID}/registry/repositories\" | jq '.[].id')"
    - "curl --request DELETE --data \"name_regex_delete=(latest|${CI_COMMIT_TAG})_.*\" --header \"JOB-TOKEN: ${CI_JOB_TOKEN}\" \"https://gitlab.torproject.org/api/v4/projects/${CI_PROJECT_ID}/registry/repositories/${REGISTRY_ID}/tags\""
  rules:
    - if: $CI_COMMIT_REF_NAME == "main"
      when: always
    - if: $CI_COMMIT_TAG
      when: always