Mateusz Suski
35e6b139fc
ci / validate (push) Failing after 1m8s
Rework portfolio around Linux operations, Zabbix monitoring, migration validation, and ELK/Grafana log observability. Add AAP-style LVM resize workflow, Zabbix server/proxy/agent automation assets, Linux/AIX monitoring templates, and updated validation CI.
63 lines
1.8 KiB
Markdown
63 lines
1.8 KiB
Markdown
# Decommission Role
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Gracefully decommission enterprise infrastructure nodes with comprehensive backup and cleanup.
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## Features
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- **Confirmation Prompt**: Interactive confirmation before decommissioning
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- **Graceful Shutdown**: Stop services gracefully with connection drain time
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- **Comprehensive Backup**: Archive configurations and data before cleanup
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- **Selective Cleanup**: Only remove items that were deployed
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- **Logging**: Detailed decommissioning logs for audit trail
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- **Notifications**: Optional email notifications on completion
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## Role Variables
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See `defaults/main.yml` for all available variables.
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### Key Variables
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- `backup_data`: Backup application data (default: true)
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- `export_config`: Export system configuration (default: true)
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- `graceful_shutdown`: Graceful service shutdown (default: true)
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- `auto_shutdown`: Auto shutdown after decommissioning (default: false)
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- `application_services`: Services to stop
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- `application_packages`: Packages to remove
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- `decommission_notification_email`: Email for notifications (optional)
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## Usage
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```yaml
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- role: decommission
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vars:
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backup_data: true
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export_config: true
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auto_shutdown: false
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decommission_notification_email: "ops@company.com"
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```
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## Backup Locations
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- Configuration: `/var/backups/decommission-<timestamp>/config/`
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- Data: `/var/backups/decommission-<timestamp>/data/`
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- Report: `/var/log/decommission_report_<timestamp>.log`
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## Supported Groups
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- `webservers`: Backs up /var/www/html
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- `databases`: Backs up PostgreSQL data
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- `monitoring`: Backs up Prometheus data
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- `loadbalancers`: Loadbalancer cleanup
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## Safety Features
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- Interactive confirmation before execution
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- Connection drain time before shutdown (30 seconds)
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- Errors are logged but don't stop the process
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- Comprehensive audit log
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## Tags
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- `decommission`: All decommissioning tasks
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- `cleanup`: Cleanup-related tasks
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