K8S 健康检查-高可用的守护者

基础

查看容器内的

[heimei@master ~]$ kubectl get pods
NAME                                               READY   STATUS    RESTARTS   AGE
nfs-subdir-external-provisioner-6dcc58bb4b-8fc84   1/1     Running   11         150d
tomcat-demo-54cbbcffdb-2hn5h                       1/1     Running   0          6h53m
[heimei@master ~]$ kubectl exec -it tomcat-demo-54cbbcffdb-2hn5h bash
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
bash-4.4# ps -ef
PID   USER     TIME   COMMAND
    1 root       0:17 /usr/lib/jvm/java-1.7-openjdk/jre/bin/java -Djava.util.logging.
   59 root       0:00 bash
   68 root       0:00 bash
   74 root       0:00 ps -ef
bash-4.4# netstat -ntlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 127.0.0.1:8005          0.0.0.0:*               LISTEN      1/java
tcp        0      0 :::8080                 :::*                    LISTEN      1/java
tcp        0      0 :::8009                 :::*                    LISTEN      1/java
bash-4.4# 

为者常成，行者常至