You want to process messages from a Pub/Sub topic with a Cloud Function but only for messages containing the attribute "type" set to "update". How can you achieve this?

hard📝 Application Q8 of 15

GCP - Cloud Pub/Sub

AAdd an if statement inside the function to ignore messages without "type" = "update".

BConfigure a subscription with a filter on attribute "type" = "update" and trigger the function on that subscription.

CDeploy the function with a trigger that only listens to messages with attribute "type" = "update".

DUse Cloud Scheduler to filter messages before sending to the function.

Step-by-Step Solution

Solution:

Step 1: Use Pub/Sub subscription filters
Pub/Sub supports filtering messages by attributes on subscriptions, so only matching messages are delivered.
Step 2: Trigger function on filtered subscription
Deploy the Cloud Function triggered by the filtered subscription to process only desired messages.
Final Answer:
Use a filtered subscription with attribute filter and trigger function on it. -> Option B
Quick Check:
Filter messages via subscription filters [OK]

Quick Trick: Use subscription filters to process only specific messages [OK]

Common Mistakes:

Filtering inside function wastes resources
Assuming function trigger can filter attributes
Using Cloud Scheduler incorrectly for filtering

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You want to process messages from a Pub/Sub topic with a Cloud Function but only for messages containing the attribute "type" set to "update". How can you achieve this?

Step 1: Use Pub/Sub subscription filters

Step 2: Trigger function on filtered subscription

Final Answer:

Quick Check:

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