March 2019
Beginner to intermediate
778 pages
34h 20m
English
Content preview from Building Google Cloud Platform Solutions
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Cloud Pub/Sub functions
Cloud Pub/Sub is Google's managed event streaming service. Because serverless architectures tend to be heavily event-driven, triggering Cloud Functions from Pub/Sub is often a very powerful pattern. When creating a Pub/Sub trigger, developers specify the Pub/Sub topic to be used. Cloud Functions will generate a new push subscription for the specified topic in the form of gcf-<FUNCTION_NAME>-<TOPIC_NAME>. Note that the generated subscription will be automatically deleted upon deletion of the function.
Cloud Pub/Sub triggers deliver the following payload as the event body:
{ "eventId": "27819225098479", "timestamp": "2018-01-27T18:11:24.836Z", "eventType": "providers/cloud.pubsub/eventTypes/topic.publish", "resource": ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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