Grouping topics or subscriptions to listen to many topics without creating many subscriptions

[pi...@pathao.com]

Hello :),
I am using Go client libraries and encountered a scenario where there are over 100 topics, but creating over 100 subscriptions is cumbersome.
Is there any feature supported by the client libraries to group subscriptiosn or topics?

[Alex Mordkovich]

Hi!

What exactly do you mean by "group subscriptions or topics"? Are you trying to create a subscription to each of the 100 topics? This can be done programmatically via the client library (e.g., in a for loop) or you could use the gcloud CLI (e.g., in a bash script): https://cloud.google.com/sdk/gcloud/. Note that a given subscription can only be "attached" to one topic. If you want your subscriber(s) to consume messages from multiple topics, you need to create a subscription to each topic, republish the messages to a "combined" topic, and then create a subscription to that "combined" topic.

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[Pinku Deb Nath]

Hi,
Yes, I was trying to create a single subscription/group to 100 topics, to which multiple subscribers can connect.
I figured out the for loop solution, thank you for suggesting this approach. Cheers!