GRN2-yyy: Added initial cloudbuild scripts (#581)

* Initial cloudbuild scripts

* Update sample.env

* Update sample.env

cloudbuild-staging.yaml

@@ -0,0 +1,31 @@
+steps:
+- name: 'gcr.io/cloud-builders/docker'
+  entrypoint: 'bash'
+  args: [
+         '-c',
+         'docker pull gcr.io/$PROJECT_ID/${_URL}:latest || exit 0'
+  ]
+- name: 'gcr.io/cloud-builders/docker'
+  args: ['build',
+          '--build-arg',
+         'version_code=${BRANCH_NAME} (${SHORT_SHA})',
+         '-t',
+         'gcr.io/$PROJECT_ID/${_URL}:${BRANCH_NAME}.${SHORT_SHA}',
+         '-t',
+         'gcr.io/$PROJECT_ID/${_URL}:latest',
+         '.']
+- name: 'gcr.io/cloud-builders/kubectl'
+  args: [
+   'set', 
+   'image', 
+   'deployment', 
+   '${_APP_NAME}', 
+   '${_IMAGE_NAME}=gcr.io/$PROJECT_ID/${_URL}:${BRANCH_NAME}.${SHORT_SHA}'
+  ]
+  env:
+  - 'CLOUDSDK_COMPUTE_ZONE=${_COMPUTE_ZONE}'
+  - 'CLOUDSDK_CONTAINER_CLUSTER=${_CLUSTER_NAME}'
+images: [
+    'gcr.io/$PROJECT_ID/${_URL}:${BRANCH_NAME}.${SHORT_SHA}',
+    'gcr.io/$PROJECT_ID/${_URL}:latest'
+]

cloudbuild.yaml

@@ -0,0 +1,31 @@
+steps:
+- name: 'gcr.io/cloud-builders/docker'
+  entrypoint: 'bash'
+  args: [
+         '-c',
+         'docker pull gcr.io/$PROJECT_ID/${_URL}:latest || exit 0'
+  ]
+- name: 'gcr.io/cloud-builders/docker'
+  args: ['build',
+         '--build-arg',
+         'version_code=${TAG_NAME}',
+         '-t',
+         'gcr.io/$PROJECT_ID/${_URL}:${TAG_NAME}.${SHORT_SHA}',
+         '-t',
+         'gcr.io/$PROJECT_ID/${_URL}:latest',
+         '.']
+- name: 'gcr.io/cloud-builders/kubectl'
+  args: [
+   'set', 
+   'image', 
+   'deployment', 
+   '${_APP_NAME}', 
+   '${_IMAGE_NAME}=gcr.io/$PROJECT_ID/${_URL}:${TAG_NAME}.${SHORT_SHA}'
+  ]
+  env:
+  - 'CLOUDSDK_COMPUTE_ZONE=${_COMPUTE_ZONE}'
+  - 'CLOUDSDK_CONTAINER_CLUSTER=${_CLUSTER_NAME}'
+images: [
+    'gcr.io/$PROJECT_ID/${_URL}:${TAG_NAME}.${SHORT_SHA}',
+    'gcr.io/$PROJECT_ID/${_URL}:latest'
+]