.gitlab-ci.yml

default:
  tags:
    - docker

stages:
  - build-base-image
  - test
  - pack
  - docker
  - stress-test

workflow:
  # See https://docs.gitlab.com/ee/ci/jobs/job_control.html#avoid-duplicate-pipelines
  rules:
    # To avoid duplicate pipelines we disable merge request events,
    # leaving only pushes and manual triggering.
    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
      when: never
    - if: $CI_PIPELINE_SOURCE == "push"
    - if: $CI_PIPELINE_SOURCE == "web"

variables:
  REGISTRY: docker-public.binary.picodata.io
  BASE_IMAGE: ${REGISTRY}/picodata-build-base
  BASE_IMAGE_LATEST: latest
  MAIN_BRANCH: &main-branch master
  CARGO_HOME: $CI_PROJECT_DIR/.cargo
  KANIKO_REGISTRY_MIRROR: docker-proxy.binary.picodata.io
  FF_USE_FASTZIP: "true"
  CACHE_COMPRESSION_LEVEL: "fastest"
  GET_SOURCES_ATTEMPTS: 3
  PARENT_BRANCH: $CI_COMMIT_BRANCH
  PARENT_CI_COMMIT_SHA: $CI_COMMIT_SHA
  PARENT_PROJECT_PATH: ${CI_PROJECT_PATH}.git
  # k8s runner config
  KUBERNETES_CPU_REQUEST: 6
  KUBERNETES_MEMORY_REQUEST: "6Gi"

# job:rules explained:
#
# - if build-base changes on master branch (compared to HEAD~1)
#     * build-base-image (with tag latest) and push
#     * test (on base-image:latest)
# - if build-base changes on development branch (compared to master)
#     * build-base-image (with tag sha)
#     * test (on base-image:sha)
# - else (if build-base doesn't change)
#     * skip build-base-image
#     * just test (on base-image:latest)
#
# Anchor syntax explained here:
# https://docs.gitlab.com/ee/ci/yaml/yaml_optimization.html
#
.rules:
  - &if-build-base-changes-on-master-branch
    if: $CI_COMMIT_BRANCH == $MAIN_BRANCH
    changes:
      # implies compare_to HEAD~1
      paths: &build-base-changes-paths
        - docker-build-base/**
        - .gitlab-ci.yml

  - &if-build-base-changes-on-dev-branch
    if: $CI_COMMIT_BRANCH != $MAIN_BRANCH
    changes:
      compare_to: *main-branch
      paths: *build-base-changes-paths

  - &else {}