[PMM-9374] Ability to use external VictoriaMetrics database instance - Percona JIRA

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Story Points:
5
Epic Link:
High Availability in PMM - Stage 2 - Extract Data Sources
Needs Review:
Yes
Needs QA:
Yes
Platform Team:
C/S Core
How to test:
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2 scenarios to test:

standard PMM installation: regression test

PMM with external Victoria Metrics

Enable external Victoria metrics with PMM_VM_URL

Test authentication on external VM via the following ENV variables

VMAGENT_remoteWrite_basicAuth_username={username}

VMAGENT_remoteWrite_basicAuth_password={password}

regression test
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2 scenarios to test: standard PMM installation: regression test PMM with external Victoria Metrics Enable external Victoria metrics with PMM_VM_URL Test authentication on external VM via the following ENV variables VMAGENT_remoteWrite_basicAuth_username={username} VMAGENT_remoteWrite_basicAuth_password={password} regression test

User story:

As a user, I want to use an external Victoria Metrics instance.

Acceptance criteria:

We can use a separate Victoria Metrics instance outside the container
We can setup Victoria Metrics hostname/port and credentials with environment variables.
PMM Clients push metrics to Victoria Metrics.
Grafana uses external Victoria Metrics

Out of scope:

Suggested implementation:

How to test: