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[[metricbeat-module-etcd]]
== Etcd module

This module targets Etcd V2 and V3.

When using V2, metrics are collected using https://coreos.com/etcd/docs/latest/v2/api.html[Etcd v2 API].
When using V3, metrics are retrieved from the `/metrics` endpoint as intended for https://coreos.com/etcd/docs/latest/metrics.html[Etcd v3]

When using V3, metricsest are bundled into `metrics`
When using V2, metricsets available are `leader`, `self` and `store`.

[float]
=== Compatibility

The etcd module is tested with etcd 3.2 and 3.3.


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=== Example configuration

The Etcd module supports the standard configuration options that are described
in <<configuration-metricbeat>>. Here is an example configuration:

[source,yaml]
----
metricbeat.modules:
- module: etcd
  metricsets: ["leader", "self", "store"]
  period: 10s
  hosts: ["localhost:2379"]
----

This module supports TLS connections when using `ssl` config field, as described in <<configuration-ssl>>.
It also supports the options described in <<module-http-config-options>>.

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=== Metricsets

The following metricsets are available:

* <<metricbeat-metricset-etcd-leader,leader>>

* <<metricbeat-metricset-etcd-metrics,metrics>>

* <<metricbeat-metricset-etcd-self,self>>

* <<metricbeat-metricset-etcd-store,store>>

include::etcd/leader.asciidoc[]

include::etcd/metrics.asciidoc[]

include::etcd/self.asciidoc[]

include::etcd/store.asciidoc[]

