observability.svc.plus/roles/redis_remove

Role: redis_remove

Remove Redis Instances from Node

Module	REDIS
Docs	https://pigsty.io/docs/redis/admin
Related Roles	redis

Overview

The redis_remove role removes Redis instances from a node:

• Check safeguard protection (redis_safeguard)
• Deregister from Victoria Metrics
• Deregister from Vector logging
• Stop redis_exporter service
• Stop Redis instance services
• Remove data directories (redis_rm_data)
• Uninstall packages (redis_rm_pkg)

Only nodes with redis_cluster defined will be affected. Supports removing single instance (via redis_port) or entire node.

Playbooks

Playbook	Description
redis-rm.yml	Remove Redis instance

File Structure

roles/redis_remove/
├── defaults/
│   └── main.yml              # Default variables
├── meta/
│   └── main.yml              # Role dependencies
└── tasks/
    └── main.yml              # Removal logic

Tags

Tag Hierarchy

redis_remove (full role)
│
├── redis_safeguard            # Safeguard check (always)
│
├── redis_deregister           # Deregister from monitoring
│   ├── rm_metrics             # Remove Victoria targets
│   └── rm_logs                # Remove Vector config
│
├── redis_exporter             # Stop redis_exporter
│
├── redis                      # Stop Redis services
│
├── redis_data                 # Remove data directories
│
└── redis_pkg                  # Uninstall packages

Key Variables

Variable	Default	Description
redis_safeguard	false	Prevent accidental removal
redis_rm_data	true	Remove data directories
redis_rm_pkg	false	Uninstall Redis packages

CLI Arguments

Remove Entire Node

./redis-rm.yml -l <host>

Remove Single Instance

./redis-rm.yml -l <host> -e redis_port=6379

Safeguard Protection

Enable safeguard to prevent accidental removal:

redis-cluster:
  vars:
    redis_safeguard: true

Override with:

./redis-rm.yml -l <target> -e redis_safeguard=false

Removal Scope

Component	What's Removed
Monitoring	/infra/targets/redis/<cluster>-<node>.yml
Logging	/etc/vector/redis.yaml
Data	/data/redis/ (all instances)
Packages	redis, redis_exporter (if enabled)

See Also

• redis: Deploy Redis cluster
• Redis Admin: Administration guide