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This module targets Etcd V2 and V3.

When using V2, metrics are collected using Etcd v2 API. When using V3, metrics are retrieved from the /metrics endpoint as intended for Etcd v3

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

Compatibility [_compatibility_21]

The etcd module is tested with etcd 3.2 and 3.3.