stages:
  - dependencies
  - build
  - test
  - publish

variables: &default-variables
  TZ: "UTC"
  GIT_DEPTH: "1"
  KUBERNETES_MEMORY_REQUEST: 4Gi
  KUBERNETES_MEMORY_LIMIT: 4Gi

.haproxy_stable: &haproxy-stable
  HAPROXY_GITREPO: "https://git.haproxy.org/?p=haproxy-2.6.git"
  HAPROXY_VERSION: 2.6.1
  HAPROXY_GITREF: 4b5779ef800cc7982f1b65ff318e4b04fe59cd18

.haproxy_dev: &haproxy-dev
  HAPROXY_GITREPO: "https://git.haproxy.org/?p=haproxy.git"
  HAPROXY_VERSION: 2.7-dev
  # https://git.haproxy.org/?p=haproxy.git;a=commit;h=2200a9caefdc5fc8ae3a02da8cd48c9ea7e74a63
  HAPROXY_GITREF: 2200a9caefdc5fc8ae3a02da8cd48c9ea7e74a63

.build-job: &build-job
  image: registry.gitlab.com/mangadex-pub/debuilder/buster:main
  needs: [ ]
  before_script:
    - apt -qq update
    - apt install -y --no-install-recommends -qq build-essential ca-certificates cmake curl git libpcre2-dev libreadline-dev libsystemd-dev tar zlib1g-dev

#----------------------
# Common dependencies
#----------------------

lua:
  <<: *build-job
  stage: dependencies
  script: make -C deps/lua
  artifacts:
    expire_in: 7 days
    paths: [ "deps/lua/lua-dist.tar.gz" ]

pcre2:
  <<: *build-job
  stage: dependencies
  script: make -C deps/pcre2
  artifacts:
    expire_in: 7 days
    paths: [ "deps/pcre2/pcre2-dist.tar.gz" ]

quictls:
  <<: *build-job
  stage: dependencies
  script: make -C deps/quictls
  artifacts:
    expire_in: 7 days
    paths: [ "deps/quictls/quictls-dist.tar.gz" ]

vtest:
  <<: *build-job
  stage: dependencies
  script: make -C deps/vtest
  artifacts:
    expire_in: 7 days
    paths: [ "deps/vtest/dist/vtest" ]

.needs-dependencies: &needs-dependencies
  - job: lua
    artifacts: true
  - job: pcre2
    artifacts: true
  - job: quictls
    artifacts: true

#----------------------
# HAProxy job templates
#----------------------

.haproxy-build: &haproxy-build
  <<: *build-job
  stage: build
  script:
    - apt install -y --no-install-recommends -qq bzip2 git
    - mkdir deps/lua/dist     && tar -C deps/lua/dist     -xf deps/lua/lua-dist.tar.gz
    - mkdir deps/pcre2/dist   && tar -C deps/pcre2/dist   -xf deps/pcre2/pcre2-dist.tar.gz
    - mkdir deps/quictls/dist && tar -C deps/quictls/dist -xf deps/quictls/quictls-dist.tar.gz
    - make -C haproxy HAPROXY_GITREPO="$HAPROXY_GITREPO" HAPROXY_VERSION="$HAPROXY_VERSION" HAPROXY_GITREF="$HAPROXY_GITREF"
  needs: *needs-dependencies
  artifacts:
    expire_in: 7 days
    paths: [ "haproxy/dist", "haproxy/haproxy-dist.tar.gz" ]

.haproxy-regtests: &haproxy-regtests
  <<: *build-job
  stage: test
  script:
    - apt install -y --no-install-recommends -qq bzip2 git
    - mkdir deps/lua/dist     && tar -C deps/lua/dist     -xf deps/lua/lua-dist.tar.gz
    - mkdir deps/pcre2/dist   && tar -C deps/pcre2/dist   -xf deps/pcre2/pcre2-dist.tar.gz
    - mkdir deps/quictls/dist && tar -C deps/quictls/dist -xf deps/quictls/quictls-dist.tar.gz
    - make -C haproxy HAPROXY_GITREPO="$HAPROXY_GITREPO" HAPROXY_VERSION="$HAPROXY_VERSION" HAPROXY_GITREF="$HAPROXY_GITREF" build test
  needs:
    - *needs-dependencies
    - job: vtest
      artifacts: true

.haproxy-debian: &haproxy-debian
  <<: *build-job
  stage: publish
  script:
    - apt install -y --no-install-recommends -qq bzip2 devscripts debhelper pkg-config
    - mkdir deps/lua/dist     && tar -C deps/lua/dist     -xf deps/lua/lua-dist.tar.gz
    - mkdir deps/pcre2/dist   && tar -C deps/pcre2/dist   -xf deps/pcre2/pcre2-dist.tar.gz
    - mkdir deps/quictls/dist && tar -C deps/quictls/dist -xf deps/quictls/quictls-dist.tar.gz
    - export BUILD_MESSAGE="$CI_COMMIT_MESSAGE"
    - make -C haproxy dist-deb HAPROXY_GITREPO="$HAPROXY_GITREPO" HAPROXY_VERSION="$HAPROXY_VERSION" HAPROXY_GITREF="$HAPROXY_GITREF"
    - |
      set -euo pipefail

      PACKAGE_NAME="haproxy-debian"
      DEB_VERSION="$(cat haproxy/*.dsc | grep -E '^Version:' | cut -d' ' -f2-)"
      if [ "$CI_COMMIT_REF_NAME" != "$CI_DEFAULT_BRANCH" ]; then
        export PACKAGE_NAME="haproxy-debian-branches"
        export DEB_VERSION="branch-$CI_COMMIT_REF_SLUG"
        echo "Git reference $CI_COMMIT_REF_NAME is not the default branch. Setting coordinates to $PACKAGE_NAME/$DEB_VERSION"
      fi

      GITLAB_IS_LAME_DEB_VERSION=$(echo "${DEB_VERSION}" | tr '~' '-')
      echo "Publishing Debian package version ${DEB_VERSION} to haproxy-debian@${GITLAB_IS_LAME_DEB_VERSION}"

      for artifact in haproxy/haproxy*.deb; do
        artifact_filename=$(basename "${artifact}")
        gitlab_is_lame_artifact_filename=$(echo "${artifact_filename}" | tr '~' '-' | tr '+' '-')
        echo "Uploading to haproxy-debian@${DEB_VERSION}... ${artifact_filename} -> ${gitlab_is_lame_artifact_filename}"
        curl -fsSL -H"JOB-TOKEN: $CI_JOB_TOKEN" \
          --upload-file "${artifact}" \
          "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/${PACKAGE_NAME}/${GITLAB_IS_LAME_DEB_VERSION}/${gitlab_is_lame_artifact_filename}"
        echo "OK"
      done
  artifacts:
    expire_in: 7 days
    paths: [ "haproxy/haproxy*" ]

.haproxy-tarball: &haproxy-tarball
  image: docker.io/curlimages/curl:latest
  stage: publish
  script: |
    set -eu

    PKG_VER=$HAPROXY_VERSION
    if [ "$CI_COMMIT_REF_NAME" != "$CI_DEFAULT_BRANCH" ]; then
      export PKG_VER="branch-$CI_COMMIT_REF_SLUG-$HAPROXY_VERSION-$HAPROXY_GITREF"
      echo "Git reference $CI_COMMIT_REF_NAME is not the default branch. Setting version to $PKG_VER"
    fi

    curl -fsSL \
      -H"JOB-TOKEN: $CI_JOB_TOKEN" \
      --upload-file "haproxy/haproxy-dist.tar.gz" \
      "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/haproxy/$PKG_VER/haproxy-$HAPROXY_VERSION.tar.gz"

.haproxy-docker: &haproxy-docker
  stage: publish
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [ "" ]
  before_script:
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"gitlab-ci-token\",\"password\":\"$CI_JOB_TOKEN\"}}}" > /kaniko/.docker/config.json
  script: |
    set -eu

    export DEBIAN_CODENAME="bullseye"
    export JOB_TIMESTAMP="$(date -D '%Y-%m-%dT%H:%M:%S%Z' -d "$CI_JOB_STARTED_AT" +'%Y%m%d-%H%M')"

    # A.B.C -> A.B, otherwise preserve original; so 2.7-dev -> 2.7-dev
    if echo "$HAPROXY_VERSION" | grep -E '([0-9]\.){2}[0-9]'; then
      export HAPROXY_SHORTVER="$(echo "$HAPROXY_VERSION" | cut -d'.' -f1-2)"
    else
      export HAPROXY_SHORTVER=$HAPROXY_VERSION
    fi
    echo "Building image with"
    echo "  -> haproxy version: $HAPROXY_VERSION ($HAPROXY_SHORTVER)"
    echo "  -> debian codename: $DEBIAN_CODENAME"
    echo "  -> git commit hash: $CI_COMMIT_SHORT_SHA"
    echo "  -> build timestamp: $JOB_TIMESTAMP"

    export IMAGE_TAG_UNIQUE="$CI_COMMIT_SHORT_SHA-$JOB_TIMESTAMP-$HAPROXY_SHORTVER-$HAPROXY_GITREF"
    export IMAGE_TAG_ROLLING_COMMIT="git-$CI_COMMIT_SHORT_SHA-$HAPROXY_VERSION"
    export IMAGE_TAG_ROLLING_GITREF="$CI_COMMIT_REF_SLUG-$HAPROXY_VERSION"

    export IMAGE_TAG_VERSIONS="$HAPROXY_VERSION-$DEBIAN_CODENAME"
    export IMAGE_TAG_SHORTVER="$HAPROXY_SHORTVER-$DEBIAN_CODENAME"
    if [ "$CI_COMMIT_REF_NAME" != "$CI_DEFAULT_BRANCH" ]; then
      export IMAGE_TAG_VERSIONS="branch-$CI_COMMIT_REF_SLUG-$IMAGE_TAG_VERSIONS"
      export IMAGE_TAG_SHORTVER="branch-$CI_COMMIT_REF_SLUG-$IMAGE_TAG_SHORTVER"
      echo "Git reference $CI_COMMIT_REF_NAME is not the default branch. Rewriting git rolling tag as $IMAGE_TAG_VERSIONS / $IMAGE_TAG_SHORTVER"
    fi

    echo "***"
    echo "Will build and push image as:"
    echo "- $CI_REGISTRY_IMAGE:$IMAGE_TAG_UNIQUE"
    echo "- $CI_REGISTRY_IMAGE:$IMAGE_TAG_ROLLING_COMMIT"
    echo "- $CI_REGISTRY_IMAGE:$IMAGE_TAG_ROLLING_GITREF"
    echo "- $CI_REGISTRY_IMAGE:$IMAGE_TAG_VERSIONS"
    echo "- $CI_REGISTRY_IMAGE:$IMAGE_TAG_SHORTVER"
    echo "***"

    (
      set -x;
      /kaniko/executor \
        --context . \
        --dockerfile Dockerfile \
        --build-arg   "CANONICAL_VERSION=$IMAGE_TAG_UNIQUE" \
        --destination "$CI_REGISTRY_IMAGE:$IMAGE_TAG_UNIQUE" \
        --destination "$CI_REGISTRY_IMAGE:$IMAGE_TAG_ROLLING_COMMIT" \
        --destination "$CI_REGISTRY_IMAGE:$IMAGE_TAG_ROLLING_GITREF" \
        --destination "$CI_REGISTRY_IMAGE:$IMAGE_TAG_VERSIONS" \
        --destination "$CI_REGISTRY_IMAGE:$IMAGE_TAG_SHORTVER" \
        --single-snapshot
    )

#----------------------
# HAProxy jobs
#----------------------

build:stable:
  <<: *haproxy-build
  variables:
    <<: *default-variables
    <<: *haproxy-stable

build:dev:
  <<: *haproxy-build
  variables:
    <<: *default-variables
    <<: *haproxy-dev

regtests:stable:
  <<: *haproxy-regtests
  variables:
    <<: *default-variables
    <<: *haproxy-stable

regtests:dev:
  <<: *haproxy-regtests
  variables:
    <<: *default-variables
    <<: *haproxy-dev

haproxy-tarball:stable:
  <<: *haproxy-tarball
  variables:
    <<: *default-variables
    <<: *haproxy-stable
  needs:
    - job: "regtests:stable"
      artifacts: false
    - job: "build:stable"
      artifacts: true

haproxy-tarball:dev:
  <<: *haproxy-tarball
  variables:
    <<: *default-variables
    <<: *haproxy-dev
  needs:
    - job: "regtests:dev"
      artifacts: false
    - job: "build:dev"
      artifacts: true

docker:stable:
  <<: *haproxy-docker
  variables:
    <<: *default-variables
    <<: *haproxy-stable
  needs:
    - job: "quictls"
      artifacts: true
    - job: "regtests:stable"
      artifacts: false
    - job: "build:stable"
      artifacts: true

docker:dev:
  <<: *haproxy-docker
  variables:
    <<: *default-variables
    <<: *haproxy-dev
  needs:
    - job: "quictls"
      artifacts: true
    - job: "regtests:dev"
      artifacts: false
    - job: "build:dev"
      artifacts: true

debian:stable:
  <<: *haproxy-debian
  variables:
    <<: *default-variables
    <<: *haproxy-stable
  needs:
    - *needs-dependencies
    - job: "regtests:stable"
      artifacts: false

debian:dev:
  <<: *haproxy-debian
  variables:
    <<: *default-variables
    <<: *haproxy-dev
  needs:
    - *needs-dependencies
    - job: "regtests:dev"
      artifacts: false

quictls:tarball:
  image: docker.io/curlimages/curl:latest
  stage: publish
  script: |
    set -eu

    PKG_VER="$(cat deps/quictls/Makefile | head -n1 | cut -d'=' -f2 | tr -d ' ')"
    QUICTLS_VER="$PKG_VER"
    if [ "$CI_COMMIT_REF_NAME" != "$CI_DEFAULT_BRANCH" ]; then
      export PKG_VER="branch-$CI_COMMIT_REF_SLUG"
      echo "Git reference $CI_COMMIT_REF_NAME is not the default branch. Setting version to $PKG_VER"
    fi

    curl -fsSL \
      -H"JOB-TOKEN: $CI_JOB_TOKEN" \
      --upload-file "deps/quictls/quictls-dist.tar.gz" \
      "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/quictls/$PKG_VER/quictls-$QUICTLS_VER.tar.gz"
  needs:
    - job: quictls
      artifacts: true
    - job: "regtests:dev"
      artifacts: false
    - job: "regtests:stable"
      artifacts: false