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cloudevent-trigger: boolean operators #242

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imjasonh opened this issue Apr 4, 2024 · 0 comments

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imjasonh commented Apr 4, 2024

https://cloud.google.com/pubsub/docs/subscription-message-filter#boolean_operators_for_the_filter_expression

Today we have:


  filter        = { "type" : "dev.chainguard.bar" } // Only trigger on bar-type events
  filter_prefix = { "source": "baz/" }              // ...coming from baz

which translates down to

filter = "attributes.ce-type=\"dev.chainguard.bar\" AND hasPrefix(attributes.ce-source, \"baz/\")"

This means it's not possible to easily subscribe to 2+ event types, or 2+ prefixes, etc., even though this is possible from PubSub's side.

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