.gitlab-ci.yml

#   Copyright 2021 ItJustWorksTM
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

image: registry.git.chalmers.se/courses/dit638/students/2021-group-09/docker:20.10.5

variables:
  DOCKER_HOST: tcp://docker:2375
  DOCKER_TLS_CERTDIR: ""
  DOCKER_CLI_EXPERIMENTAL: enabled

services:
  - name: registry.git.chalmers.se/courses/dit638/students/2021-group-09/docker:20.10.5-dind
    alias: docker

stages:
  - deps
  - build
  - qemu
  - deploy

before_script:
  - apk add bash grep wget git tar gnuplot font-noto
  - mkdir -p ~/.docker/cli-plugins/
  - wget -O ~/.docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/download/v0.5.1/buildx-v0.5.1.linux-amd64
  - chmod a+x ~/.docker/cli-plugins/docker-buildx
  - docker info
  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  - docker buildx create --name platformbuilder --use
  - docker buildx inspect --bootstrap

update-deps-images:
  stage: deps
  tags:
    - docker-build
  script:
    - bash ./update-deps-images.sh

build-and-test:
  stage: build
  tags:
    - docker-build
  script:
    - awk '{sub(/rt-base:latest/, "rt-base:latest as built")}1' Dockerfile > Dockerfile.patched
    - echo 'FROM scratch' >> Dockerfile.patched
    - echo 'COPY --from=builder /opt/copycurve-coverage.xml /' >> Dockerfile.patched
    - echo 'COPY --from=builder /opt/accuracy /accuracy' >> Dockerfile.patched
    - DOCKER_BUILDKIT=1 docker build --progress=plain --output type=local,dest=out -f Dockerfile.patched --build-arg COVERAGE=On --build-arg ACCURACY=On .
    - ls out/
    - echo 'FROM scratch' > Dockerfile.accuracy
    - echo 'ADD ./out/accuracy/* /' >> Dockerfile.accuracy
    - DOCKER_BUILDKIT=1 docker build --progress=plain -f Dockerfile.accuracy -t "${CI_REGISTRY_IMAGE}/accuracy:${CI_COMMIT_SHA}" .
    - docker push "${CI_REGISTRY_IMAGE}/accuracy:${CI_COMMIT_SHA}"
    - mkdir accuracy accuracy/current accuracy/previous
    - mv out/accuracy/* accuracy/current
    - export PREVIOUS_COMMIT="$(git rev-parse HEAD~1)"
    - docker pull "$CI_REGISTRY_IMAGE/accuracy:${PREVIOUS_COMMIT}"
    - docker save -o accuracy/previous/ark.tar "$CI_REGISTRY_IMAGE/accuracy:${PREVIOUS_COMMIT}"
    - (cd accuracy/previous; tar xf ark.tar; rm ark.tar; mv "$(find . -name '*.tar')" .; tar xf layer.tar)
    - test/make_graphs.sh accuracy/ accuracy-out
    - mv out/copycurve-coverage.xml coverage.xml
    - >
      echo -n "Coverage: " && echo "100 * $(grep -oPm1 'line-rate="\K\d+\.\d+(?=")' coverage.xml)" | bc
  coverage: /^\s*Coverage:\s*\d+.\d+/
  artifacts:
    name: ${CI_JOB_NAME}-${CI_COMMIT_REF_NAME}-${CI_COMMIT_SHA}
    paths:
      - accuracy-out
    reports:
      cobertura: coverage.xml

test-multiarch:
  stage: qemu
  tags:
    - docker-build
  script:
    - docker buildx build --platform "linux/arm/v7" -f Dockerfile .

release:
  stage: deploy
  tags:
    - docker-build
  only:
    - /^v[0-9]+(?:.[0-9]+)+[-0-9A-Za-z_]*$/
  script:
    - docker buildx build --platform "linux/amd64,linux/arm/v7" -f Dockerfile -t "$CI_REGISTRY_IMAGE":"$CI_COMMIT_TAG" --push .