Adding Redis cluster import sources (GoogleCloudPlatform#13550)

Author: NA2047

mmv1/products/redis/Cluster.yaml

@@ -254,6 +254,44 @@ properties:
     description: |
       System assigned, unique identifier for the cluster.
     output: true
+  - name: 'gcsSource'
+    type: NestedObject
+    description: |
+     Backups stored in Cloud Storage buckets. The Cloud Storage buckets need to be the same region as the clusters.
+    custom_flatten: 'templates/terraform/custom_flatten/redis_cluster_gcs_source.go.tmpl'
+    immutable: true
+    conflicts:
+      - managedBackupSource
+    properties:
+      - name: 'uris'
+        type: Array
+        description: |
+         URIs of the GCS objects to import. Example: gs://bucket1/object1, gs://bucket2/folder2/object2
+        required: true
+        immutable: true
+        item_type:
+          type: String
+  - name: 'managedBackupSource'
+    type: NestedObject
+    description: "Backups that generated and managed by memorystore."
+    custom_flatten: 'templates/terraform/custom_flatten/redis_cluster_managed_backup_source.go.tmpl'
+    immutable: true
+    conflicts:
+      - gcsSource
+    properties:
+      - name: 'backup'
+        type: String
+        description: |
+         Example: //redis.googleapis.com/projects/{project}/locations/{location}/backupCollections/{collection}/backups/{backup} A shorter version (without the prefix) of the backup name is also supported,
+         like projects/{project}/locations/{location}/backupCollections/{collection}/backups/{backupId}. In this case, it assumes the backup is under redis.googleapis.com.
+        required: true
+        immutable: true
+  - name: 'backupCollection'
+    type: String
+    description: |
+     The backup collection full resource name.
+     Example: projects/{project}/locations/{location}/backupCollections/{collection}
+    output: true
   - name: 'automatedBackupConfig'
     type: NestedObject
     description: "The automated backup config for a instance."

mmv1/templates/terraform/custom_flatten/redis_cluster_gcs_source.go.tmpl

@@ -0,0 +1,8 @@
+func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {
+	if len(d.Get("gcs_source").([]interface{})) > 0 {
+		transformed := make(map[string]interface{})
+		transformed["uris"] = d.Get("gcs_source.0.uris")
+		return []interface{}{transformed}
+	}
+    	return nil
+}

mmv1/templates/terraform/custom_flatten/redis_cluster_managed_backup_source.go.tmpl

@@ -0,0 +1,10 @@
+func flatten{{$.GetPrefix}}{{$.TitlelizeProperty}}(v interface{}, d *schema.ResourceData, config *transport_tpg.Config) interface{} {
+
+	if len(d.Get("managed_backup_source").([]interface{})) > 0 {
+		transformed := make(map[string]interface{})
+		transformed["backup"] = d.Get("managed_backup_source.0.backup")
+		return []interface{}{transformed}
+	}
+
+	return nil
+}