Setup alerting policy for GCP Cloud Functions based on HTTP status codes

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I want to setup Cloud Monitoring to alert me each time my Cloud Function responds with 4xx / 5xx HTTP status codes. Please let me know how to implement this from Cloud Console.

google-cloud-monitoring google-cloud-functions google-cloud-platform
1 Answers

You can use Cloud Logging for this.

  • Go to the Cloud Logging page and filter your logs
  • Then select the part of the logs that you want (in my screen shot is the 200 HTTP response code), and click on "show matching entries"

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  • Now, in the query builder, you have the matching entry that you select enter image description here

You can change it, the value (400 instead of 200) the equality by > or <,... So, you can see in the documentation how to build a Cloud Logging filter

  • Then go to Action and click on create metrics

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  • Now create your metric and name it.

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  • Finally, click on the 3 dots on the right and select create an alert on this metric

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  • From there, follow the wizard. Name your condition, define your threshold and notification channels. I think it's the easiest part (but if you need guidance, let me know)
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