feat(logging): add a sample for list logs (#9999)

Author: yucentao

logging/cloud-client/list_logs.py

@@ -0,0 +1,39 @@
+# Copyright 2023 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 logging_list_logs]
+from typing import List
+from google.cloud import logging_v2
+
+
+def list_logs(project_id: str) -> List[str]:
+    """Lists all logs in a project.
+
+    Args:
+        project_id: the ID of the project
+
+    Returns:
+        A list of log names.
+    """
+    client = logging_v2.services.logging_service_v2.LoggingServiceV2Client()
+    request = logging_v2.types.ListLogsRequest(
+        parent=f"projects/{project_id}",
+    )
+
+    logs = client.list_logs(request=request)
+    for log in logs:
+        print(log)
+
+    return logs
+# [END logging_list_logs]

logging/cloud-client/list_logs_test.py

@@ -0,0 +1,23 @@
+# Copyright 2023 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.
+
+import list_logs
+import os
+
+PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
+
+
+def test_list_logs(capsys):
+    logs = list_logs.list_logs(PROJECT)
+    assert "logs" in str(logs)