Establish clean homelab infrastructure baseline

Reorganize the brownfield repository, remove retired and generated artifacts, harden ignore rules, and record the GitOps/IaC redesign.
2026-09-09 16:47:20 +00:00
commit 88a02ababa
418 changed files with 50579 additions and 0 deletions
@@ -0,0 +1,77 @@
+# Ported from ../../../../apps/victoriametrics/rules/alerts-vmalert.yml
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMRule
+metadata:
+  name: vmalert
+  namespace: monitoring
+  labels:
+    app.kubernetes.io/part-of: victoria-metrics
+spec:
+  groups:
+    - name: vmalert
+      interval: 30s
+      rules:
+        - alert: ConfigurationReloadFailure
+          expr: vmalert_config_last_reload_successful != 1
+          labels:
+            severity: warning
+          annotations:
+            summary: "Configuration reload failed for vmalert instance {{ $labels.instance }}"
+            description: "Configuration hot-reload failed for vmalert on instance {{ $labels.instance }}. Check the logs."
+        - alert: AlertingRulesError
+          expr: sum(increase(vmalert_alerting_rules_errors_total[5m])) without(id) > 0
+          for: 5m
+          labels:
+            severity: warning
+          annotations:
+            summary: "Alerting rules are failing for vmalert instance {{ $labels.instance }}"
+            description: "Alerting rules execution is failing for group \"{{ $labels.group }}\" in file \"{{ $labels.file }}\". Check the logs."
+        - alert: RecordingRulesError
+          expr: sum(increase(vmalert_recording_rules_errors_total[5m])) without(id) > 0
+          for: 5m
+          labels:
+            severity: warning
+          annotations:
+            summary: "Recording rules are failing for vmalert instance {{ $labels.instance }}"
+            description: "Recording rules execution is failing for group \"{{ $labels.group }}\" in file \"{{ $labels.file }}\". Check the logs."
+        - alert: RecordingRulesNoData
+          expr: sum(vmalert_recording_rules_last_evaluation_samples) without(id) < 1
+          for: 30m
+          labels:
+            severity: info
+          annotations:
+            summary: "Recording rule ({{ $labels.group }}) produces no data"
+            description: "Recording rule from group \"{{ $labels.group }}\" in file \"{{ $labels.file }}\"
+              produces 0 samples over the last 30min. Possible misconfiguration or incorrect query."
+        - alert: TooManyMissedIterations
+          expr: increase(vmalert_iteration_missed_total[5m]) > 0
+          for: 15m
+          labels:
+            severity: warning
+          annotations:
+            summary: "vmalert instance {{ $labels.instance }} is missing rules evaluations"
+            description: "Group evaluation takes longer than the configured interval. Increase interval or concurrency."
+        - alert: RemoteWriteErrors
+          expr: increase(vmalert_remotewrite_errors_total[5m]) > 0
+          for: 15m
+          labels:
+            severity: warning
+          annotations:
+            summary: "vmalert instance {{ $labels.instance }} is failing to push metrics to remote write URL"
+            description: "vmalert is failing to push alerting/recording rule metrics to remote write. Check the logs."
+        - alert: RemoteWriteDroppingData
+          expr: increase(vmalert_remotewrite_dropped_rows_total[5m]) > 0
+          for: 5m
+          labels:
+            severity: critical
+          annotations:
+            summary: "vmalert instance {{ $labels.instance }} is dropping data sent to remote write URL"
+            description: "vmalert is dropping alerting/recording rule results. This may cause gaps in state. Check the logs."
+        - alert: AlertmanagerErrors
+          expr: increase(vmalert_alerts_send_errors_total[5m]) > 0
+          for: 15m
+          labels:
+            severity: warning
+          annotations:
+            summary: "vmalert instance {{ $labels.instance }} is failing to send notifications to Alertmanager"
+            description: "vmalert is failing to send alert notifications to \"{{ $labels.addr }}\". Check the logs."