kubedb-alert-rules.yaml

rules.yaml:
  groups:
  - name: should_fire
    rules:
      - alert: AlertManagerHealthCheck
        expr: 1 + 1
        for: 1m
        labels:
            severity: info
        annotations:
            summary: Not an alert! Just for checking AlertManager Pipeline

      - alert: KubeDBHighPercentageError
        expr: |
          sum(rate({namespace="kubedb"} |= "error" [5m])) by (pod)
           / 
          sum(rate({namespace="kubedb"} [5m])) by (pod)
           > 0.05
        for: 1m
        labels:
            severity: warning
        annotations:
            summary: High Percentage error in KubeDB pods in KubeDB namespace

      - alert: KubeDBHighPercentageFailedLog
        expr: |
          sum(rate({namespace="kubedb"} |= "failed" [5m])) by (pod)
           /
          sum(rate({namespace="kubedb"} [5m])) by (pod)
           > 0.05
        for: 1m
        labels:
          severity: warning
        annotations:
          summary: High Percentage Failed log in KubeDB pods in KubeDB namespace
      
      - alert: HighConnectionRefused
        expr: sum by (pod) (count_over_time({namespace="kubedb"} |= "connection refused")) > 10
        for: 5m
        labels:
          severity: critical
        annotations:
          summary: High number of connections are refused in pods in KubeDB namespace
      
      - alert: HighConnectionRefused
        expr: sum by (pod) (count_over_time({namespace="kubedb"} |= "connection refused")) > 10
        for: 5m
        labels:
          severity: critical
        annotations:
          summary: High number of connections are refused in pods in KubeDB namespace