Datastore Emulator on Cloud Build

0Datastore_Emulator_on_Cloud_Build.md

cloud-build-local --config=cloudbuild.yaml --dryrun=false .

refs

https://cloud.google.com/cloud-build/docs/overview#build_configuration_and_build_steps

Each build step is run with its container attached to a local Docker network named cloudbuild. This allows build steps to communicate with each other and share data.

cloudbuild.yaml

steps:
# Cloud Build uses cloudbuild network
# https://cloud.google.com/cloud-build/docs/overview#build_configuration_and_build_steps
- name: gcr.io/cloud-builders/docker
  args: ['run', '-d', '--network=cloudbuild', '--name=cds-emulator', 'google/cloud-sdk:248.0.0', 'gcloud', 'beta', 'emulators', 'datastore', 'start', '--host-port=0.0.0.0:8081']
- name: jwilder/dockerize:0.6.1
  args: ['dockerize', '-timeout=60s', '-wait=tcp://cds-emulator:8081']
- name: google/cloud-sdk:248.0.0
  env:
  - DATASTORE_EMULATOR_HOST=cds-emulator:8081
  args: ['sh', '-c', 'curl $${DATASTORE_EMULATOR_HOST}/v1/projects/example-project/indexes']
# for cloud-build-local
- name: gcr.io/cloud-builders/docker
  args: ['rm', '--force', 'cds-emulator']

cloudbuild2.yaml

# it is not success because docker stopped step returns 137
steps:
- name: google/cloud-sdk:248.0.0
  args: ['gcloud', 'beta', 'emulators', 'datastore', 'start', '--host-port=0.0.0.0:8081']
- name: jwilder/dockerize:0.6.1
  id: dockerize
  args: ['dockerize', '-timeout=60s', '-wait=tcp://step_0:8081']
  waitFor: ['-']
- name: gcr.io/cloud-builders/docker
  args: ['ps']
  waitFor: ['dockerize']
- name: google/cloud-sdk:248.0.0
  id: main
  env:
  - DATASTORE_EMULATOR_HOST=step_0:8081
  args: ['sh', '-c', 'curl $${DATASTORE_EMULATOR_HOST}/v1/projects/example-project/indexes']
  waitFor: ['dockerize']
- name: gcr.io/cloud-builders/docker
  env:
  - DATASTORE_EMULATOR_HOST=step_0:8081
  args: ['stop', "step_0"]
  waitFor: ['main']