# The build needs root, for apt-get, and a perl with cpanm. metacpan/metacpan-api
# used to provide both, but it runs as an unprivileged user now, where apt-get
# fails with "Permission denied" and cmake never gets installed. Pinned to the
# distribution as well, so that an upstream rebuild cannot move rocksdb under us.
image: perl:5.40-trixie

variables:
  # Set `CCACHE_BASEDIR` and `CCACHE_DIR` to point `ccache` towards the cached
  # path on the gitlab-runner. This enables to cache the output of `ccache`
  # between various runs.
  CCACHE_BASEDIR: "${CI_PROJECT_DIR}"
  CCACHE_DIR: "${CI_PROJECT_DIR}/ccache"
  # Set `ccache` to `content` to prevent rebuilding of the CI/CD containers to
  # trigger a recreate of the cache. By using `content` the compiler's `mtime`
  # is not considered as part of the hash.
  CCACHE_COMPILERCHECK: "content"
  # Enable caching for `apt-get`.
  APT_CACHE_DIR: "${CI_PROJECT_DIR}/apt-cache"
  # Export `noninteractive` frontend to prevent requesting user input.
  DEBIAN_FRONTEND: "noninteractive"
  PERL_LOCAL_LIB_ROOT: ./perl5
  PERL5LIB: ./perl5/lib/perl5

build-and-test:
  stage: build
  cache:
    # Cache is shared between branches, but has a unique cache per job. The
    # image is part of the key: perl5/ holds what cpanm decided was missing in
    # that image, so a cache from another one is incomplete.
    key: derekovecs-perl-5.40-trixie
    paths:
      # Note: directories should align with `$APT_CACHE_DIR` and `$CCACHE_DIR`.
      - apt-cache/
      - ccache/
      - perl5/
  before_script:
    - pwd
    - source `find .. -name section_helper.sh`

    - start_section install_linux_packages "Installing missing Linux packages"
    - mkdir -pv $APT_CACHE_DIR ccache
    - apt-get update && apt-get -o dir::cache::archives="$APT_CACHE_DIR" -y install ccache cmake librocksdb-dev libgflags-dev libsnappy-dev zlib1g-dev libbz2-dev liblz4-dev libzstd-dev libomp-dev
    # ccache only makes the build faster, it must never be able to make it fail,
    # so everything that uses it is guarded and CCACHE_OPTS stays empty without it
    # a failed package install used to show up much later as "cmake: command
    # not found" in the middle of the collocatordb build
    - command -v cmake > /dev/null || { echo "cmake is missing, the package installation did not work"; exit 1; }
    - if CCACHE=$(command -v ccache); then ln -sf "$CCACHE" /usr/local/sbin/gcc && ln -sf "$CCACHE" /usr/local/sbin/g++ && CCACHE_OPTS="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache"; else echo "ccache is not available - building without it"; CCACHE_OPTS=""; fi
    - end_section install_linux_packages

    - start_section install_collocatordb "Building and installing collocatordb"
    - git clone "https://korap.ids-mannheim.de/gerrit/ids-kl/collocatordb"
    - cd collocatordb
    - mkdir -p build
    - cd build
    - cmake $CCACHE_OPTS ..
    - make
    - command -v ccache > /dev/null && ccache --show-stats || true
    - make install # && ctest --extra-verbose
    - ldconfig
    - end_section install_collocatordb
    - cd ../..

  script:
    - start_section build_perl_dependencies "Installing Perl dependencies"
    - cpanm -n -l $PERL_LOCAL_LIB_ROOT https://github.com/Akron/Mojolicious-Plugin-Localize.git
    # Devel::CheckLib, which Makefile.PL needs to find libcollocatordb before it
    # can tell anybody about the dependencies, comes bundled in inc/
    - cpanm -n -l $PERL_LOCAL_LIB_ROOT --installdeps .
    - end_section build_perl_dependencies

    - start_section  build_derekovecs-server "Building DeReKoVecs server"
    - perl Makefile.PL
    - make
    - make install
    - end_section build_derekovecs-server

    - start_section run_derekovecs-server "Testing DeReKoVecs server"
    # the server test starts morbo, which cpanm installed into the local lib
    - export PATH="$CI_PROJECT_DIR/perl5/bin:$PATH"
    - prove --verbose t
    - end_section run_derekovecs-server

deploy:
  rules:
    - if: $CI_COMMIT_TAG =~ /.+/
      variables:
        VID: $CI_COMMIT_TAG
    - when: manual
      variables:
        VID: $CI_COMMIT_BRANCH-$CI_COMMIT_SHORT_SHA
  stage: deploy
  before_script:
    - source `find .. -name section_helper.sh`
    - start_section install_linux_packages "Installing missing Linux packages"
    - 'command -v ssh-agent >/dev/null || apt-get install openssh-client -y'
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - eval $(ssh-agent -s)
    - chmod 400 "$SSH_PRIVATE_KEY"
    - ssh-add "$SSH_PRIVATE_KEY"
    - end_section install_linux_packages
  script:
    - echo "This is a manual job which doesn't start automatically, and the pipeline can complete without it starting."
    - ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null $DEPLOY_HOST "cd /opt/korap/derekovecs && git stash && git pull && cpanm --installdeps . && cpanm . && rm -rf _Inline && sudo systemctl restart derekovecs"

build-docker:
  image: docker:latest
  variables:
    # the mint container has to reach the container it probes
    FF_NETWORK_PER_BUILD: "true"
  services:
    - name: docker:dind
      command: [--dns=127.0.0.11]
  rules:
    - if: $CI_COMMIT_TAG =~ /.+/
      variables:
        VID: $CI_COMMIT_TAG
    - when: manual
      variables:
        VID: $CI_COMMIT_BRANCH-$CI_COMMIT_SHORT_SHA
  stage: build
  before_script:
    - apk update
    - apk add --no-cache git
  script:
    # the http probe needs a model to serve, so keep the example models in the
    # large image and remove them further down with Dockerfile.remove-example-data
    - sed -i -e "s/RUN rm -rf example-models//" Dockerfile
    - docker build -f Dockerfile -t idscorpuslinguistics/derekovecs:$VID-large .
    - docker run --rm -v /var/run/docker.sock:/var/run/docker.sock mintoolkit/mint --crt-api-version 1.46 build --http-probe=true --http-probe-start-wait 60 --include-workdir=true --include-path=/usr/local --env MOJO_CONFIG=/derekovecs/example-models/example-docker.conf --tag idscorpuslinguistics/derekovecs:tmp idscorpuslinguistics/derekovecs:$VID-large || true
    - docker build -f Dockerfile.remove-example-data --tag idscorpuslinguistics/derekovecs:latest --tag idscorpuslinguistics/derekovecs:$VID .
    - ARTIFACT=derekovecs-${VID}.tar.xz
    - docker save idscorpuslinguistics/derekovecs:$VID | xz -T0 -M16G -9 > "$ARTIFACT"
  artifacts:
    paths:
      - derekovecs-*.tar.xz

upload-docker:
  stage: deploy
  image: docker:latest
  services:
    - name: docker:dind
      command: [--dns=127.0.0.11]
  needs:
    - job: build-docker
      artifacts: true
  dependencies:
    - build-docker
  rules:
    - if: $CI_COMMIT_TAG =~ /^v.+/
      when: manual
    - when: never
  script:
    - apk update
    - apk add --no-cache xz
    - ARTIFACT=derekovecs-${CI_COMMIT_TAG}.tar.xz
    - xz -d -c "$ARTIFACT" | docker load
    - echo "$DOCKER_HUB_PASSWORD" | docker login -u "$DOCKER_HUB_USERNAME" --password-stdin
    - docker tag idscorpuslinguistics/derekovecs:$CI_COMMIT_TAG idscorpuslinguistics/derekovecs:latest
    - docker push idscorpuslinguistics/derekovecs:$CI_COMMIT_TAG
    - docker push idscorpuslinguistics/derekovecs:latest
  environment:
    name: production