mirror of https://github.com/easzlab/kubeasz.git
22 lines
1.1 KiB
YAML
22 lines
1.1 KiB
YAML
serverFiles:
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alerts:
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groups:
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- name: k8s_alert_rules
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rules:
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# ALERT when container memory usage exceed 90%
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- alert: container_mem_over_90
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expr: (sum(container_memory_working_set_bytes{image!="",name=~"^k8s_.*", pod_name!=""}) by (pod_name)) / (sum (container_spec_memory_limit_bytes{image!="",name=~"^k8s_.*", pod_name!=""}) by (pod_name)) > 0.9 and (sum(container_memory_working_set_bytes{image!="",name=~"^k8s_.*", pod_name!=""}) by (pod_name)) / (sum (container_spec_memory_limit_bytes{image!="",name=~"^k8s_.*", pod_name!=""}) by (pod_name)) < 2
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for: 2m
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annotations:
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summary: "{{ $labels.pod_name }}'s memory usage alert"
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description: "Memory Usage of Pod {{ $labels.pod_name }} on {{ $labels.kubernetes_io_hostname }} has exceeded 90% for more than 2 minutes."
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# ALERT when node is down
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- alert: node_down
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expr: up == 0
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for: 60s
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annotations:
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summary: "Node {{ $labels.kubernetes_io_hostname }} is down"
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description: "Node {{ $labels.kubernetes_io_hostname }} is down"
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