Merge pull request #7291 from sdodson/gcs-registry-storage

Automatic merge from submit-queue.

Add GCS object storage to hosts.example

QE noticed that when deploying to GCE the defaults storage provider gladly provides an RWO volume which means that the registry cannot be upgraded in a rolling manner or be scaled to multiple pods.

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1548654

inventory/hosts.example

@@ -553,6 +553,12 @@ debug_level=2
 #openshift_hosted_registry_storage_s3_cloudfront_baseurl=https://myendpoint.cloudfront.net/
 #openshift_hosted_registry_storage_s3_cloudfront_privatekeyfile=/full/path/to/secret.pem
 #openshift_hosted_registry_storage_s3_cloudfront_keypairid=yourpairid
+#
+# GCS Storage Bucket
+#openshift_hosted_registry_storage_provider=gcs
+#openshift_hosted_registry_storage_gcs_bucket=bucket01
+#openshift_hosted_registry_storage_gcs_keyfile=test.key
+#openshift_hosted_registry_storage_gcs_rootdirectory=/registry
 
 # Metrics deployment
 # See: https://docs.openshift.com/enterprise/latest/install_config/cluster_metrics.html