docs: add region tag for sigterm handler (GoogleCloudPlatform#5527)

averikitsch · web-flow · commit 6fff2b7cb43e · 2021-03-18T18:26:02.000Z
## Description Fixes #<ISSUE-NUMBER> Note: It's a good idea to open an issue first for discussion. ## Checklist - [ ] I have followed [Sample Guidelines from AUTHORING_GUIDE.MD](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md) - [ ] README is updated to include [all relevant information](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#readme-file) - [ ] **Tests** pass: `nox -s py-3.6` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup)) - [ ] **Lint** pass: `nox -s lint` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup)) - [ ] These samples need a new **API enabled** in testing projects to pass (let us know which ones) - [ ] These samples need a new/updated **env vars** in testing projects set to pass (let us know which ones) - [ ] Please **merge** this PR for me once it is approved. - [ ] This sample adds a new sample directory, and I updated the [CODEOWNERS file](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/.github/CODEOWNERS) with the codeowners for this sample
diff --git a/run/idp-sql/main.py b/run/idp-sql/main.py
@@ -89,6 +89,7 @@ def save_vote() -> Response:
 
 
 # https://cloud.google.com/blog/topics/developers-practitioners/graceful-shutdowns-cloud-run-deep-dive
+# [START cloudrun_sigterm_handler]
 def shutdown_handler(signal: int, frame: FrameType) -> None:
     logger.info("Signal received, safely shutting down.")
     database.shutdown()
@@ -97,11 +98,15 @@ def shutdown_handler(signal: int, frame: FrameType) -> None:
     sys.exit(0)
 
 
+# [END cloudrun_sigterm_handler]
+
 if __name__ == "__main__":
     # handles Ctrl-C locally
     signal.signal(signal.SIGINT, shutdown_handler)
 
     app.run(host="127.0.0.1", port=8080, debug=True)
 else:
     # handles Cloud Run container termination
+    # [START cloudrun_sigterm_handler]
     signal.signal(signal.SIGTERM, shutdown_handler)
+    # [END cloudrun_sigterm_handler]
