58 lines
2.1 KiB
Plaintext
58 lines
2.1 KiB
Plaintext
groups:
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- name: single_port_service_alarm
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rules:
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########################### 严重告警 Critical ###########################
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# 22 sshd 远程登录端口
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- alert: Port_22_SSHD_Down
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expr: probe_success{port="22"} == 0
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for: 10s
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labels:
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severity: critical
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service: sshd
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annotations:
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summary: "主机{{$labels.instance}} SSH登录端口{{$labels.port}}断开"
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description: "端口{{$labels.port}} sshd服务异常，无法远程登录服务器，紧急处理！"
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# 111 rpcbind RPC注册服务
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- alert: Port_111_Rpcbind_Down
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expr: probe_success{port="111"} == 0
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for: 10s
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labels:
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severity: critical
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service: rpcbind
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annotations:
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summary: "主机{{$labels.instance}} RPC注册端口{{$labels.port}}断开"
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description: "端口{{$labels.port}} rpcbind异常，所有NFS/RPC相关服务全部失效，业务挂载会报错！"
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# 2049 NFS存储端口
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- alert: Port_2049_NFS_Down
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expr: probe_success{port="2049"} == 0
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for: 10s
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labels:
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severity: critical
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service: nfs
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annotations:
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summary: "主机{{$labels.instance}} NFS存储端口{{$labels.port}}断开"
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description: "端口{{$labels.port}} NFS内核端口无法连通，所有业务NFS读写中断！"
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# 9100 node_exporter监控采集
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- alert: Port_9100_NodeExporter_Down
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expr: probe_success{port="9100"} == 0
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for: 10s
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labels:
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severity: critical
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service: node_exporter
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annotations:
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summary: "主机{{$labels.instance}} 监控采集端口{{$labels.port}}断开"
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description: "端口{{$labels.port}} node_exporter离线，主机资源指标无法采集，无监控数据！"
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########################### 通用端口延迟告警 ###########################
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- alert: Port_High_Latency
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expr: probe_duration_seconds > 0.5
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for: 1m
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labels:
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severity: warning
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annotations:
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summary: "主机{{$labels.instance}} {{$labels.service}}端口{{$labels.port}}连接延迟过高"
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description: "端口{{$labels.port}}服务{{$labels.service}}网络耗时超过500ms，网络存在拥塞"
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