Add Redis Monitoring Support Using Redis Exporter

[liyakath07]

Objective

Enhance the Redis Ansible role by adding monitoring capabilities using Redis Exporter to expose Redis metrics in Prometheus format.

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Scope

The implementation should include:

• Redis Exporter installation
• Systemd service configuration
• Exporter configuration support
• Metrics endpoint exposure
• Runtime validation
• Authentication support
• Optional enable/disable support through variables

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Expected Features

Redis Exporter Installation

• Install Redis Exporter binary
• Create dedicated exporter user if required
• Configure exporter service

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Metrics Exposure

Expose metrics on:

http://<host>:9121/metrics

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Authentication Support

Support Redis authentication:

• requirepass
• ACL-based authentication

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Runtime Validation

Validate:

• Exporter service status
• Metrics endpoint availability
• Prometheus metrics accessibility

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Configuration Variables

Add configurable variables for:

• Exporter enable/disable
• Exporter version
• Exporter port
• Redis connection URI
• Authentication details

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Expected Outcome

• Redis metrics exposed in Prometheus format
• Production-ready monitoring integration
• Reusable and configurable exporter setup
• Easier Prometheus/Grafana integration