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Extend documentation on Datadog metrics
- Document that an application key must be set to publish metadata for the exported metrics. - Point out that using a non-US Datadog site (e.g., EU) requires changing the `uri` property. See gh-30879
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@ -53,8 +53,8 @@ public class DatadogProperties extends StepRegistryProperties {
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private String hostTag = "instance";
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/**
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* URI to ship metrics to. If you need to publish metrics to an internal proxy
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* en-route to Datadog, you can define the location of the proxy with this.
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* URI to ship metrics to. Set this if you need to publish metrics to a Datadog site
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* other than US, or to an internal proxy en-route to Datadog.
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*/
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private String uri = "https://api.datadoghq.com";
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@ -132,6 +132,30 @@ To export metrics to {micrometer-registry-docs}/datadog[Datadog], your API key m
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api-key: "YOUR_KEY"
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----
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If you additionally provide an application key (optional), then metadata such as meter descriptions, types, and base units will also be exported:
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[source,yaml,indent=0,subs="verbatim",configprops,configblocks]
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----
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management:
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metrics:
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export:
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datadog:
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api-key: "YOUR_API_KEY"
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application-key: "YOUR_APPLICATION_KEY"
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----
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By default, metrics are sent to the Datadog US https://docs.datadoghq.com/getting_started/site[site] (`https://api.datadoghq.com`).
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In case your Datadog project is hosted on one of the other sites, or you need to send metrics through a proxy, change the API base URL accordingly:
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[source,yaml,indent=0,subs="verbatim",configprops,configblocks]
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----
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management:
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metrics:
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export:
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datadog:
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uri: "https://api.datadoghq.eu"
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----
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You can also change the interval at which metrics are sent to Datadog:
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[source,yaml,indent=0,subs="verbatim",configprops,configblocks]
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