observability.svc.plus/roles/minio_remove

Role: minio_remove

Remove MinIO Instance from Node

Module	MINIO
Docs	https://pigsty.io/docs/minio/admin
Related Roles	minio

Overview

The minio_remove role removes MinIO instances:

• Check safeguard protection
• Pause for confirmation (3 seconds)
• Deregister from Victoria Metrics
• Remove DNS records (dnsmasq and /etc/hosts)
• Stop MinIO service (graceful then force)
• Remove data directories (optional)
• Uninstall packages (optional)

WARNING: Removing MinIO will destroy all stored objects. Ensure backups exist.

Playbooks

Playbook	Description
minio-rm.yml	Remove MinIO instance

File Structure

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

Tags

Tag Hierarchy

minio_remove (full role)
│
├── minio-id                   # Calculate identity/data paths
│
├── minio_safeguard            # Safeguard check (always)
│
├── minio_pause                # Pause for confirmation (3s)
│
├── minio_deregister           # Deregister from monitoring
│   ├── rm_metrics             # Remove Victoria targets
│   └── rm_dns                 # Remove DNS records (dnsmasq & /etc/hosts)
│
├── minio_svc                  # Stop MinIO service
│
├── minio_data                 # Remove data directories
│
└── minio_pkg                  # Uninstall packages

Key Variables

Variable	Default	Description
minio_safeguard	false	Prevent accidental removal
minio_rm_data	true	Remove data and config files
minio_rm_pkg	false	Uninstall MinIO packages

Safeguard Protection

Enable safeguard to prevent accidental removal:

minio:
  vars:
    minio_safeguard: true

Override with:

./minio-rm.yml -l <target> -e minio_safeguard=false

Removal Scope

Component	What's Removed
Monitoring	/infra/targets/minio/<cluster>-<seq>.yml
DNS	/infra/hosts/<cluster>-<seq>, /etc/hosts entries
Service	minio.service (systemd)
Config	/etc/default/minio, /home/minio/.minio
Data	All directories in minio_data
Logging	via syslog
Packages	minio, mcli (if enabled)

Service Shutdown

The role uses a graceful shutdown sequence:

1. systemctl stop minio
2. Wait and retry if process still running
3. kill remaining processes
4. kill -9 if still not terminated

See Also

• minio: Deploy MinIO cluster
• MinIO Admin: Administration guide