# What this PR does
This PR adds the ability to use an existing secret for external Redis
and external MySQL and it follows the same changes that PR #761 did for
RabbitMQ (including the fix that was done for it later in #775)
## Checklist
- [x] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not
required)
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Co-authored-by: Ildar Iskhakov <Ildar.iskhakov@grafana.com>
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