added 'monitoring' path - ask devs why it's there

monitoring/cast04/alertmanager.yml

@@ -0,0 +1,61 @@
+# Alertmanager config — cast04  (updated 2026-06-26)
+# Track A SPEC: ac-docs/specs/20260626_cluster_monitoring.md §7.4
+#
+# Outbound notifications are handled by alert-notifier.py (localhost:9099),
+# which shortens URLs via s.f0xx.org, generates QR codes, and sends
+# HTML email + Telegram with the QR image attached.
+
+global:
+  # No direct SMTP here — alert-notifier handles email delivery.
+  # smtp_* kept as comment for reference:
+  # smtp_smarthost: 'smtp.gmail.com:587'
+  # smtp_auth_username: 'bestcastr@gmail.com'
+  # smtp_auth_password: 'wnxv caln tcmt ldpn'
+
+templates:
+  - '/etc/alertmanager/templates/*.tmpl'
+
+route:
+  group_by: ['alertname', 'instance', 'severity']
+  group_wait:      30s
+  group_interval:  5m
+  repeat_interval: 4h
+  receiver: 'webhook-default'
+
+  routes:
+    - match:
+        severity: critical
+      receiver: 'webhook-critical'
+      group_wait: 10s
+      repeat_interval: 1h
+
+    - match:
+        severity: warning
+      receiver: 'webhook-default'
+      repeat_interval: 6h
+
+    - match:
+        alertname: Watchdog
+      receiver: 'null'
+
+receivers:
+  - name: 'null'
+
+  - name: 'webhook-default'
+    webhook_configs:
+      - url: 'http://127.0.0.1:9099/webhook'
+        send_resolved: true
+        max_alerts: 10
+
+  - name: 'webhook-critical'
+    webhook_configs:
+      - url: 'http://127.0.0.1:9099/webhook'
+        send_resolved: true
+        max_alerts: 10
+
+inhibit_rules:
+  - source_match:
+      severity: 'critical'
+    target_match:
+      severity: 'warning'
+    equal: ['instance', 'alertname']