feat: alerts

2025-01-06 08:45:05 +01:00 · 2025-01-06 08:45:05 +01:00 · f7d73a0df5
commit f7d73a0df5
parent 8e94b34e63
10 changed files with 795 additions and 499 deletions
--- a/conf/prometheus/alerts/google-cadvisor.yml
+++ b/conf/prometheus/alerts/google-cadvisor.yml
@ -0,0 +1,77 @@
+groups:
+
+- name: GoogleCadvisor
+
+  rules:
+
+    - alert: ContainerKilled
+      expr: 'time() - container_last_seen > 60'
+      for: 0m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container killed (instance {{ $labels.instance }})
+        description: "A container has disappeared\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerAbsent
+      expr: 'absent(container_last_seen)'
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container absent (instance {{ $labels.instance }})
+        description: "A container is absent for 5 min\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerHighCpuUtilization
+      expr: '(sum(rate(container_cpu_usage_seconds_total{container!=""}[5m])) by (pod, container) / sum(container_spec_cpu_quota{container!=""}/container_spec_cpu_period{container!=""}) by (pod, container) * 100) > 80'
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container High CPU utilization (instance {{ $labels.instance }})
+        description: "Container CPU utilization is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerHighMemoryUsage
+      expr: '(sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) > 80'
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container High Memory usage (instance {{ $labels.instance }})
+        description: "Container Memory usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerVolumeUsage
+      expr: '(1 - (sum(container_fs_inodes_free{name!=""}) BY (instance) / sum(container_fs_inodes_total) BY (instance))) * 100 > 80'
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container Volume usage (instance {{ $labels.instance }})
+        description: "Container Volume usage is above 80%\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerHighThrottleRate
+      expr: 'sum(increase(container_cpu_cfs_throttled_periods_total{container!=""}[5m])) by (container, pod, namespace) / sum(increase(container_cpu_cfs_periods_total[5m])) by (container, pod, namespace) > ( 25 / 100 )'
+      for: 5m
+      labels:
+        severity: warning
+      annotations:
+        summary: Container high throttle rate (instance {{ $labels.instance }})
+        description: "Container is being throttled\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerLowCpuUtilization
+      expr: '(sum(rate(container_cpu_usage_seconds_total{container!=""}[5m])) by (pod, container) / sum(container_spec_cpu_quota{container!=""}/container_spec_cpu_period{container!=""}) by (pod, container) * 100) < 20'
+      for: 7d
+      labels:
+        severity: info
+      annotations:
+        summary: Container Low CPU utilization (instance {{ $labels.instance }})
+        description: "Container CPU utilization is under 20% for 1 week. Consider reducing the allocated CPU.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
+    - alert: ContainerLowMemoryUsage
+      expr: '(sum(container_memory_working_set_bytes{name!=""}) BY (instance, name) / sum(container_spec_memory_limit_bytes > 0) BY (instance, name) * 100) < 20'
+      for: 7d
+      labels:
+        severity: info
+      annotations:
+        summary: Container Low Memory usage (instance {{ $labels.instance }})
+        description: "Container Memory usage is under 20% for 1 week. Consider reducing the allocated memory.\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"