[etcd] TSDB Enablement

[agithomas]

TSDB Enablement

• PR link - [etcd] Enable TSDB for metrics datastream #8649

Test Environment Setup

• Creation of Test Environment

Datastream : leader

Ignored. Details can be found here.

Datastream : metrics

• Add dimension fields - [etcd] Use prometheus metricset for etcd v3 metrics #8438
• Add metric_type mappings - [etcd] Use prometheus metricset for etcd v3 metrics #8438
• TSDB Package test completion - [etcd] Use prometheus metricset for etcd v3 metrics #8438 (See the comments)

Datastream : self

Ignored. Details can be found here.

Datastream : store

Ignored. Details can be found here.

Blocker

• [etcd] Incorrect leader field definitions #8373