Spring Cloud Stream provides a module called spring-cloud-stream-metrics that can be used to emit any available metric from Spring Boot metrics endpoint to a named channel.
This module allow operators to collect metrics from stream applications without relying on polling their endpoints.
HTTP polling can be challenging on cloud environments since applications could be on a private network or behind a Load balancer that prevents per instance access.
This module is included on the each of the out of box application starters, if you want to emit metrics from your application, just import it on your pom.xml and follow the activation instructions.
The module is activated when you set the destination name for its channel, spring.cloud.stream.bindings.streamMetrics.destination=<DESTINATION_NAME>.
By default the module is configured to only send Spring Integration message channel metrics.
Available properties for customization using the prefix spring.cloud.stream.metrics.
The period in which metrics will be posted to the channel
Default: 5000.
Prefix string to be prepended to the metrics name
Default: ``
An array of strings containing regex patterns of metrics that should be included.
Default: integration**
An array of strings containing regex patterns of metrics that should be excluded.
Default: ``
Just like the includes option, it allows white listing application properties that will be added to the metrics payload
Default: null.
Content-Type of the message
Default: application/json