.gitlab-ci.yml

stages:
  - test
  - package
  - deploy

variables:
  CARGO_HOME: "${CI_PROJECT_DIR}/cargo" # Move cargo data into the project directory so it can be cached!
  RULES_CHANGES_PATH: "**/*"
  RULES_ONLY: "ALL"
  GIT_SUBMODULE_STRATEGY: recursive

.deploy-configuration: &deploy_configuration
  image: registry.gitlab.com/lukaspotthast/docker-images/nomad-deployment:1.6.3
  before_script:
    - export NOMAD_ADDR=${NOMAD_ADDR}
    - export NOMAD_CACERT=${NOMAD_CA_PEM}
    - export NOMAD_CLIENT_CERT=${NOMAD_CLI_PEM}
    - export NOMAD_CLIENT_KEY=${NOMAD_CLI_KEY_PEM}
    # Required as of: https://github.com/hashicorp/nomad/issues/7529
    # We otherwise get the error: x509: certificate is valid for 127.0.0.1, not [...]
    - export NOMAD_TLS_SERVER_NAME="server.global.nomad"

.base-rules:
  rules:
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $RULES_ONLY == "ALL"
      when: always
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH && $RULES_ONLY == $RULES_SUBJECT
      when: always
    - if: '$CI_PIPELINE_SOURCE == "push"'
      when: never
    - if: $CI_COMMIT_TAG
      when: never
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
      changes:
        - $RULES_CHANGES_PATH
    - when: manual
      allow_failure: true

.book:
  extends: .base-rules
  variables:
    RULES_SUBJECT: "book"
    RULES_CHANGES_PATH: "*"

.book-with-cache:
  extends: .book
  cache:
    key:
      files:
        - Cargo.lock
        - examples/book-ssr/Cargo.lock
    paths:
      - cargo/
      - target/
      - examples/book-ssr/target/

book-test:
  stage: test
  extends: .book-with-cache
  image: registry.gitlab.com/lukaspotthast/docker-images/rust-wasm-builder:latest
  needs: []
  script:
    - cd examples/book-ssr
    - cargo test --target x86_64-unknown-linux-gnu

book-build-and-package:
  stage: package
  extends: .book
  image: docker:latest
  services:
    - docker:dind
  needs:
    - book-test
  artifacts:
    paths:
      - examples/book-ssr/deployment/leptonic-book.jobspec.final.hcl
  before_script:
    - echo -n "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin $CI_REGISTRY
  script:
    - cd examples/book-ssr
    - timestamp=$(date +%s)
    - image="${CI_REGISTRY_IMAGE}/leptonic-book"
    - tag="${CI_COMMIT_SHA}"
    - docker pull "${image}:latest" || true
    - cat "${LEPTONIC_DEV_CERT_PEM_FILE}" > "certs/ssl_cert.pem"
    - cat "${LEPTONIC_DEV_KEY_PEM_FILE}" > "certs/ssl_key.pem"
    - echo "Building docker image '${image}:${tag}'"
    - >
      docker build
      --pull
      --cache-from "${image}:${tag}"
      --tag "${image}:${tag}"
      --build-arg DEFAULT_LEPTOS_OUTPUT_NAME="leptonic-book-${timestamp}"
      .
    - docker tag "${image}:${tag}" "${image}:latest"
    - docker push "${image}:${tag}"
    - docker push "${image}:latest"
    - echo "Creating final deployment spec..."
    - cp deployment/leptonic-book.jobspec.hcl deployment/leptonic-book.jobspec.final.hcl
    - sed -i "s/{{TAG}}/${tag}/g" "deployment/leptonic-book.jobspec.final.hcl"
    - sed -i "s/{{REGISTRY_USERNAME}}/${REGISTRY_USERNAME}/g" "deployment/leptonic-book.jobspec.final.hcl"
    - sed -i "s/{{REGISTRY_TOKEN}}/${REGISTRY_TOKEN}/g" "deployment/leptonic-book.jobspec.final.hcl"

book-validate-deployment:
  <<: *deploy_configuration
  stage: deploy
  extends: .book
  needs:
    - book-build-and-package
  script:
    - cd examples/book-ssr/deployment
    - nomad job validate leptonic-book.jobspec.final.hcl

book-plan-deployment:
  <<: *deploy_configuration
  stage: deploy
  extends: .book
  needs:
    - book-build-and-package
    - book-validate-deployment
  script:
    - cd examples/book-ssr/deployment
    # Plan will return one of the following exit codes:
    #   0: No allocations created or destroyed.
    #   1: Allocations created or destroyed.
    # 255: Error determining plan results.
    - nomad job plan leptonic-book.jobspec.final.hcl
  allow_failure:
    exit_codes: 1

book-run-deployment:
  <<: *deploy_configuration
  stage: deploy
  extends: .book
  needs:
    - book-build-and-package
    - book-plan-deployment
  script:
    - cd examples/book-ssr/deployment
    - nomad job run leptonic-book.jobspec.final.hcl