March 2019
Beginner to intermediate
778 pages
34h 20m
English
Content preview from Building Google Cloud Platform Solutions
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Consuming device data
When a device publishes telemetry and state events to Cloud IoT Core, those events are propagated to Cloud Pub/Sub topics associated with the device registry. In previous examples, we configured the weather-sensors device registry to push telemetry events to the weather-telemetry topic and device state events to the weather-device-state topic. As covered earlier in this chapter, Cloud Pub/Sub queues messages based on subscriptions. When a Pub/Sub topic has no subscriptions, any messages published to that topic will simply be dropped.
Because device events are pushed to Cloud Pub/Sub topics, any service that can consume Pub/Sub messages is capable of receiving device events. Google Cloud Functions are a good candidate ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.