[kubernetes] Pod network add-on(flannel) 설치하기

kubernetes coredns 에러(ContainerCreating)

$ kubectl get pods --namespace=kube-system
NAME                             READY   STATUS              RESTARTS   AGE
coredns-f9fd979d6-z6dtd          0/1     ContainerCreating   0          45m
coredns-f9fd979d6-z7j97          0/1     ContainerCreating   0          45m

 

Pod network add-on(flannel) 설치하기

$ kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml

$ kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml 
podsecuritypolicy.policy/psp.flannel.unprivileged created
clusterrole.rbac.authorization.k8s.io/flannel created
clusterrolebinding.rbac.authorization.k8s.io/flannel created
serviceaccount/flannel created
configmap/kube-flannel-cfg created
daemonset.apps/kube-flannel-ds created

 

$ kubectl get pods --namespace=kube-system

$ kubectl get pods --namespace=kube-system
NAME                             READY   STATUS    RESTARTS   AGE
coredns-f9fd979d6-z6dtd          1/1     Running   0          50m
coredns-f9fd979d6-z7j97          1/1     Running   0          50m
etcd-bk8sm1                      1/1     Running   0          51m
kube-apiserver-bk8sm1            1/1     Running   0          51m
kube-controller-manager-bk8sm1   1/1     Running   0          20m
kube-flannel-ds-5xz7g            1/1     Running   0          5m54s
kube-flannel-ds-c652f            1/1     Running   0          5m54s
kube-flannel-ds-cnsft            1/1     Running   0          5m54s
kube-flannel-ds-n7v5c            1/1     Running   0          5m54s
kube-proxy-2lcj6                 1/1     Running   0          50m
kube-proxy-f5jcp                 1/1     Running   0          47m
kube-proxy-n4p6r                 1/1     Running   0          45m
kube-proxy-ztf58                 1/1     Running   0          44m
kube-scheduler-bk8sm1            1/1     Running   0          17m
weave-net-4vxsk                  2/2     Running   0          28m
weave-net-87bnq                  2/2     Running   0          28m
weave-net-wbvnc                  2/2     Running   0          28m
weave-net-wx746                  2/2     Running   0          28m