.gitlab-ci.yml

include:
  - remote: 'https://gitlab.com/cscs-ci/recipes/-/raw/master/templates/v2/.cscs.yml'

stages:
  - benchmark
  - publish

variables:
  UPLOAD_IMAGE: dropd/asv-upload-history:latest
  BENCHMARK_IMAGE: dropd/asv-upload-history:latest
  GITHUB_PATH: GridTools/cigrbench.git

.github_push_setup:
  before_script:
    # setting origin to github and enabling up push access
    - mkdir -p ~/.ssh
    - cp "$DEPLOY_PRIVATE_KEY" ~/.ssh/id_asv
    - chmod 600 ~/.ssh/id_asv
    - git config --global user.email $GITLAB_USER_EMAIL
    - git config --global user.name $GITLAB_USER_NAME
    - export GIT_SSH_COMMAND="ssh -i ~/.ssh/id_asv -o IdentitiesOnly=yes -o StrictHostKeyChecking=no"
    - git remote set-url origin git@github.com:${GITHUB_PATH}
    - git remote set-url --push origin git@github.com:${GITHUB_PATH}
    - git fetch

benchmark:
  extends: [".daint"]
  image: $BENCHMARK_IMAGE
  variables:
    PULL_IMAGE: "YES"
    SLURM_JOB_NUM_NODES: 1
    SLURM_TIMELIMIT: 10
  only:
    - main
    - trying
  stage: benchmark
  before_script:
    # remove cached remote / branch if they exist
    - git remote remove gh || echo "remote not initialized"
    - git branch -D gh/history || echo "branch did not exist yet"
  script:
    # the daint runner sometimes fails to checkout the current commit, wtf?
    - git checkout main
    - git pull
    # get or initialize the history branch from github
    - mkdir -p $HOME  # on sarus the home dir sometimes does not exist...
    - cp ./daint-node.json $HOME/.asv-machine.json
    - git remote add gh https://github.com/${GITHUB_PATH}
    - git fetch gh history || git branch gh/history
    # put history in current directory to add the current run to it
    - git checkout gh/history .asv || echo "no history"  # get the history if it exists
    # install and run asv for benchmarks
    - pip install asv virtualenv
    - asv run --machine daint-compute-node --show-stderr --skip-existing
    # store the results as artifact
    - cp -r .asv/results $CI_PROJECT_DIR/results  # artifacts must be in the project dir
  artifacts:
    when: always
    paths:
      - results/  # this will make the `results` folder available on the default work dir of the upload script

publish:
  extends: [".github_push_setup"]
  tags: ["kubernetes"]
  image: $UPLOAD_IMAGE
  only:
    - main
    - trying
  stage: publish
  needs:
    - job: "benchmark"
      artifacts: true
  script:
    # making sure gh-pages branch is up to date with github
    - git checkout -b main
    - git checkout gh-pages && git pull && git checkout -
    - git checkout history || (git checkout -b history && mkdir -p .asv/results)
    # getting results from artifacts & pushing to history
    - mv results ~/results
    - cp -r ~/results/* .asv/results/  # the `/*` on `results/*` is crucial to copy the contents not the dir as a whole
    - git add -f .asv/results  # -f because .asv is ignored by .gitignore
    - git diff --cached --exit-code || (git commit -m "update history" && git push -u origin history)
    # get back to the main branch and put the results back
    - git checkout -
    - git checkout history .asv
    # intall and run asv to publish
    - pip install asv virtualenv
    - asv gh-pages  # publish all results to github pages