26.4. 감지된 조건 사용자 정의

apiVersion: v1
kind: ConfigMap
metadata:
  name: node-problem-detector
data:
  docker-monitor.json: |  

    {
        "plugin": "journald", 

        "pluginConfig": {
                "source": "docker"
        },
        "logPath": "/host/log/journal", 

        "lookback": "5m",
        "bufferSize": 10,
        "source": "docker-monitor",
        "conditions": [],
        "rules": [              

                {
                        "type": "temporary", 

                        "reason": "CorruptDockerImage", 

                        "pattern": "Error trying v2 registry: failed to register layer: rename /var/lib/docker/image/(.+) /var/lib/docker/image/(.+): directory not empty.*" 

                }
        ]
    }
  kernel-monitor.json: |  

    {
        "plugin": "journald", 

        "pluginConfig": {
                "source": "kernel"
        },
        "logPath": "/host/log/journal", 

        "lookback": "5m",
        "bufferSize": 10,
        "source": "kernel-monitor",
        "conditions": [                 

                {
                        "type": "KernelDeadlock", 

                        "reason": "KernelHasNoDeadlock", 

                        "message": "kernel has no deadlock"  

                }
        ],
        "rules": [
                {
                        "type": "temporary",
                        "reason": "OOMKilling",
                        "pattern": "Kill process \\d+ (.+) score \\d+ or sacrifice child\\nKilled process \\d+ (.+) total-vm:\\d+kB, anon-rss:\\d+kB, file-rss:\\d+kB"
                },
                {
                        "type": "temporary",
                        "reason": "TaskHung",
                        "pattern": "task \\S+:\\w+ blocked for more than \\w+ seconds\\."
                },
                {
                        "type": "temporary",
                        "reason": "UnregisterNetDevice",
                        "pattern": "unregister_netdevice: waiting for \\w+ to become free. Usage count = \\d+"
                },
                {
                        "type": "temporary",
                        "reason": "KernelOops",
                        "pattern": "BUG: unable to handle kernel NULL pointer dereference at .*"
                },
                {
                        "type": "temporary",
                        "reason": "KernelOops",
                        "pattern": "divide error: 0000 \\[#\\d+\\] SMP"
                },
                {
                        "type": "permanent",
                        "condition": "KernelDeadlock",
                        "reason": "AUFSUmountHung",
                        "pattern": "task umount\\.aufs:\\w+ blocked for more than \\w+ seconds\\."
                },
                {
                        "type": "permanent",
                        "condition": "KernelDeadlock",
                        "reason": "DockerHung",
                        "pattern": "task docker:\\w+ blocked for more than \\w+ seconds\\."
                }
        ]
    }