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Metrics refactoring

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- Change the metrics channel name to `applicationMetricsChannel`
- Update documentation
- Remove `instanceIndex` to reduce coupling to
  Spring Cloud Stream semantics and because it can be sent via
  the `properties` metadata set
This commit is contained in:
Marius Bogoevici
2017-03-31 17:31:24 -04:00
parent c5632cd5f3
commit d17e70ddaf
9 changed files with 66 additions and 100 deletions
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11
spring-cloud-stream-core-docs/src/main/asciidoc/spring-cloud-stream-overview.adoc
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@@ -1840,11 +1840,13 @@ This module allow operators to collect metrics from stream applications without
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.
The module is activated when you set the destination name for its channel, `spring.cloud.stream.bindings.aggregateMetricsChannel.destination=<DESTINATION_NAME>`.
The module is activated when you set the destination name for its channel, `spring.cloud.stream.bindings.applicationMetricsChannel.destination=<DESTINATION_NAME>`.
`applicationMetricsChannel` can be configured in a similar fashion to any other bound output channel.
The default `contentType` setting of `applicationMetricsChannel` is `application/json`.
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`.
Available properties for customization using the prefix `spring.cloud.stream.applicationMetricsChannel`.
key::
The name of the metric being emitted. Should be an unique value per application.
@@ -1875,11 +1877,6 @@ properties::
Just like the `includes` option, it allows white listing application properties that will be added to the metrics payload
+
Default: null.
+
spring.cloud.stream.bindings.aggregateMetricsChannel.contentType::
Content-Type of the message
+
Default: `application/json`
[NOTE]
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