使用kubectl get nodes 发现一个节点出现问题，一直没有Ready
查看2个节点的6443端口，发现没起的这个node01端口中的kube-proxy 没有开启
后来才发现node01节点忘记去拉去镜像了，我使用脚本拉取一下镜像就解决了
[root@node01 opt]# for i in $(ls /opt/kubeadm-basic.images/*.tar); do docker load -i $i; done
fe9a8b4f1dcc: Loading layer 43.87MB/43.87MB
d1e1f61ac9f3: Loading layer 164.5MB/164.5MB
Loaded image: k8s.gcr.io/kube-apiserver:v1.15.1
fb61a074724d: Loading layer 479.7kB/479.7kB
c6a5fc8a3f01: Loading layer 40.05MB/40.05MB
Loaded image: k8s.gcr.io/coredns:1.3.1
8a788232037e: Loading layer 1.37MB/1.37MB
30796113fb51: Loading layer 232MB/232MB
6fbfb277289f: Loading layer 24.98MB/24.98MB
Loaded image: k8s.gcr.io/etcd:3.3.10
aa3154aa4a56: Loading layer 116.4MB/116.4MB
Loaded image: k8s.gcr.io/kube-controller-manager:v1.15.1
e17133b79956: Loading layer 744.4kB/744.4kB
Loaded image: k8s.gcr.io/pause:3.1
15c9248be8a9: Loading layer 3.403MB/3.403MB
00bb677df982: Loading layer 36.99MB/36.99MB
Loaded image: k8s.gcr.io/kube-proxy:v1.15.1
e8d95f5a4f50: Loading layer 38.79MB/38.79MB
Loaded image: k8s.gcr.io/kube-scheduler:v1.15.1
for i in $(ls /opt/kubeadm-basic.images/*.tar); do docker load -i $i; done
