Functions v2 storage sample (GoogleCloudPlatform#6684)

* Functions v2 storage sample

* Switch to f-strings

* Corrected snippet tags

Co-authored-by: Ace Nassri <[email protected]>

Author: engelke

functions/v2/storage/main.py

@@ -0,0 +1,37 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the 'License');
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an 'AS IS' BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# [START functions_helloworld_storage]
+# Triggered by a change in a storage bucket
+def hello_gcs(cloudevent):
+    data = cloudevent.data
+
+    event_id = cloudevent["id"]
+    event_type = cloudevent["type"]
+
+    bucket = data["bucket"]
+    name = data["name"]
+    metageneration = data["metageneration"]
+    timeCreated = data["timeCreated"]
+    updated = data["updated"]
+
+    print(f"Event ID: {event_id}")
+    print(f"Event type: {event_type}")
+    print(f"Bucket: {bucket}")
+    print(f"File: {name}")
+    print(f"Metageneration: {metageneration}")
+    print(f"Created: {timeCreated}")
+    print(f"Updated: {updated}")
+# [END functions_helloworld_storage]