feat: add disk exporter module and related configurations

- Introduced a new disk exporter module to monitor disk health using SMART data.
- Updated `apps.tf` to include the disk exporter module with necessary parameters.
- Added local variables for smartctl version and checksum in `config.tf`.
- Enhanced `alertmanager.yml` to handle DiskUnhealthy alerts with specific grouping and dispatch settings.
- Created new Prometheus rules for monitoring disk health, including alerts for unhealthy disks.
- Updated Prometheus configuration to scrape metrics from the new disk exporter.
- Enhanced Telegram notification template to include resolved alerts and improved formatting.
- Updated the auth-exporter module to specify the Python image tag correctly.
- Created the disk-exporter module with Kubernetes resources, including deployment, service account, and config map.
- Added necessary Python scripts and requirements for the disk exporter functionality.

terraform/apps/prod-01/resources/prometheus.yml

@@ -4,13 +4,19 @@ scrape_configs:
     static_configs:
       - targets:
           - "node-exporter.prometheus.svc.cluster.local:9100"
+        labels:
+          cluster: "prod-01"
   - job_name: fail2ban
     scrape_interval: 60s
     static_configs:
       - targets:
           - "fail2ban-exporter.prometheus.svc.cluster.local:9100"
+        labels:
+          cluster: "prod-01"
   - job_name: auth-exporter
     scrape_interval: 10s
     static_configs:
       - targets:
           - "auth-exporter.prometheus.svc.cluster.local:9100"
+        labels:
+          cluster: "prod-01"