Removing global variables.

examples/cloud-operations/network-dashboard/cloud-function/main.py

@@ -49,8 +49,6 @@ def main(event, context):
       Returns:
         'Function executed successfully'
   '''
-  global client, interval
-  client, interval = create_client()
 
   metrics_dict = create_metrics()
 
@@ -462,6 +460,8 @@ def get_quota_current_usage(project_link, metric_name):
       Returns:
         results_list (list of string): Current usage.
   '''
+  client, interval = create_client()
+
   results = client.list_time_series(request={
     "name": project_link,
     "filter": f'metric.type = "{metric_name}"',
@@ -481,6 +481,8 @@ def get_quota_current_limit(project_link, metric_name):
       Returns:
         results_list (list of string): Current limit.
   '''
+  client, interval = create_client()
+
   results = client.list_time_series(request={
     "name": project_link,
     "filter": f'metric.type = "{metric_name}"',
@@ -600,6 +602,8 @@ def write_data_to_metric(monitored_project_id, value, metric_name, network_name)
         usage (int): Current usage for that network.
         limit (int): Current usage for that network.
   '''
+  client = monitoring_v3.MetricServiceClient()
+
   series = monitoring_v3.TimeSeries()
   series.metric.type = f"custom.googleapis.com/{metric_name}"
   series.resource.type = "global" 

examples/cloud-operations/network-dashboard/cloud-function/metrics.yaml

@@ -1,3 +1,18 @@
+#
+# Copyright 2022 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.
+#
 ---
 metrics_per_network:
   instance_per_network: