# This file contains Google Cloud Build configuration for presubmit checks, unit
# and integration tests, triggered by pull requests and commits to branches.

timeout: 1800s
substitutions:
  _CODECOV_TOKEN: "" # The auth token for uploading coverage to Codecov.
options:
  machineType: E2_HIGHCPU_32
  volumes:
  # A shared volume for caching Go modules between steps.
  - name: go-modules
    path: /go
  env:
    - GO111MODULE=on
    - GOPATH=/go
    - GOLANG_PROTOBUF_REGISTRATION_CONFLICT=ignore # Temporary work-around v1.proto already registered error.
    - DOCKER_CLIENT_TIMEOUT=120
    - COMPOSE_HTTP_TIMEOUT=120

# Cache the testbase image in Container Regisrty, to be reused by subsequent
# builds. The technique is described here:
# https://cloud.google.com/cloud-build/docs/speeding-up-builds#using_a_cached_docker_image
#
# TODO(pavelkalinnikov): Consider pushing this image only on commits to master.
images: ['gcr.io/$PROJECT_ID/trillian_testbase:latest']

# Cloud Build logs sent to GCS bucket
logsBucket: 'gs://trillian-cloudbuild-logs'

steps:

# Try to pull the testbase image from Container Registry.
- name: 'gcr.io/cloud-builders/docker'
  entrypoint: 'bash'
  args: ['-c', 'docker pull gcr.io/$PROJECT_ID/trillian_testbase:latest || exit 0']
# Build the testbase image reusing as much of the cached image as possible.
- name: 'gcr.io/cloud-builders/docker'
  args: [
    'build',
    '-t', 'gcr.io/$PROJECT_ID/trillian_testbase:latest',
    '--cache-from', 'gcr.io/$PROJECT_ID/trillian_testbase:latest',
    '-f', './integration/cloudbuild/testbase/Dockerfile',
    '.'
  ]

# Set up tools and any other common steps which should not be part of Docker image.
- id: prepare
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/prepare.sh

# Run lint and porcelain checks, make sure the diff is empty and no files need
# to be updated. This includes gofmt, golangci-linter, go mod tidy, go mod
# generate and a few more.
- id: lint
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./scripts/presubmit.sh
  args:
    - --no-build
    - --fix
    - --no-mod-tidy
    - --empty-diff
  waitFor:
    - prepare

# Presubmit
- id: presubmit
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_presubmit.sh
  args:
    - --no-linters
    - --no-generate
  env:
    - GOFLAGS=-race
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - lint

# Codecov
- id: codecov
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_presubmit.sh
  args:
    - --coverage
    - --no-linters
    - --no-generate
  env:
    - GOFLAGS=-race
    - GO_TEST_TIMEOUT=20m
    - CODECOV_TOKEN=${_CODECOV_TOKEN}
  waitFor:
    - lint

# Presubmit (Batched queue)
- id: presubmit_batched
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_presubmit.sh
  args:
    - --no-linters
    - --no-generate
  env:
    - GOFLAGS=-race --tags=batched_queue
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - lint

# Presubmit (PKCS11)
- id: presubmit_pkcs11
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_presubmit.sh
  args:
    - --no-linters
    - --no-generate
  env:
    - GOFLAGS=-race --tags=pkcs11
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - lint

# Try to spread the load a bit, we'll wait for all the presubmit.* steps
# to finish before starting the integration.* ones.
# Having too many "big" things running concurrently leads to problems
# with timeouts and mysql issues.
- id: presubmits_done
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: /bin/true
  waitFor:
    - codecov
    - presubmit
    - presubmit_batched
    - presubmit_pkcs11

# Integration
- id: integration
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_integration.sh
  env:
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - presubmits_done

# Integration (Docker)
- id: integration_docker
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/docker_compose_integration_test.sh
  waitFor:
    - presubmits_done

# Integration (etcd)
- id: integration_etcd
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_integration.sh
  env:
    - ETCD_DIR=/go/bin
    - GOFLAGS=-race
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - presubmits_done

# Integration (Batched queue)
- id: integration_batched
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_integration.sh
  env:
    - GOFLAGS=-race -tags=batched_queue
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - presubmits_done

# Integration (PKCS11)
- id: integration_pkcs11
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_integration.sh
  env:
    - GOFLAGS=-race -tags=pkcs11
    - GO_TEST_TIMEOUT=20m
  waitFor:
    - presubmits_done

# Integration (MariaDB)
- id: integration_mariadb
  name: 'gcr.io/${PROJECT_ID}/trillian_testbase'
  entrypoint: ./integration/cloudbuild/run_integration.sh
  env:
    - GO_TEST_TIMEOUT=20m
    - MYSQLD_IMAGE=mariadb:10.3
  waitFor:
    - presubmits_done