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  • kubernetes 日志定制查阅

    You can use kubectl logs to retrieve logs from a previous instantiation of a container with --previous flag, in case the container has crashed.  #跟踪已经崩溃的容器


    sidecar container
    containers:
      - name: count
        image: busybox
        args:
        - /bin/sh
        - -c
        - >
          i=0;
          while true;
          do
            echo "$i: $(date)" >> /var/log/1.log;
            echo "$(date) INFO $i" >> /var/log/2.log;
            i=$((i+1));
            sleep 1;
          done
        volumeMounts:
        - name: varlog
          mountPath: /var/log
      - name: count-log-1
        image: busybox
        args: [/bin/sh, -c, 'tail -n+1 -f /var/log/1.log']
        volumeMounts:
        - name: varlog
          mountPath: /var/log
      - name: count-log-2
        image: busybox
        args: [/bin/sh, -c, 'tail -n+1 -f /var/log/2.log']
        volumeMounts:
        - name: varlog
          mountPath: /var/log
      volumes:
      - name: varlog
        emptyDir: {}
    # count-log-1 三轮摩托车的测边
    # count-log-2 

    kubectl logs counter count-log-1

       kubectl logs counter count-log-2

    记录容器count的不同日志

    ##################################################################################

    节点状态查看:

    a. kubectl get nodes

    b.查看组件状态:

    kubectl get cs #####################################

    这是一个不错的命令:

    [root@node1 ~]# kubectl get cs
    NAME STATUS MESSAGE ERROR
    etcd-1 Unhealthy Get https://172.16.5.92:2379/health: dial tcp 172.16.5.92:2379: getsockopt: connection refused
    scheduler Healthy ok
    controller-manager Healthy ok
    etcd-2 Healthy {"health": "true"}
    etcd-0 Healthy {"health": "true"}

    ##################################################

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  • 原文地址:https://www.cnblogs.com/hixiaowei/p/9478350.html
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