GCP - Cloud Functions
You want to create a Cloud Function that triggers when a new file is uploaded to any folder inside a Cloud Storage bucket named 'photos'. Which trigger configuration is correct?
You want to create a Cloud Function that triggers when a new file is uploaded to any folder inside a Cloud Storage bucket named 'photos'. Which trigger configuration is correct?
hard📝 Best Practice Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify correct event for new file upload
The event google.storage.object.finalize triggers when a new object is created or overwritten.Step 2: Confirm resource and event usage
The resource is the bucket name 'photos'. Wildcards like 'photos/*' are not valid for --trigger-resource.Final Answer:
Use --trigger-resource photos and --trigger-event google.storage.object.finalize -> Option BQuick Check:
New file upload = finalize event on bucket resource [OK]
Quick Trick: Use bucket name and finalize event for new uploads [OK]
Common Mistakes:
- Using delete or archive events instead of finalize
- Trying to use wildcards in trigger-resource
- Using metadataUpdate event which triggers on metadata changes
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