2017-06-01 146 views
1

K8版本:豆莢不開始。 NetworkPlugin CNI沒有成立莢

Client Version: version.Info{Major:"1", Minor:"6", GitVersion:"v1.6.4", GitCommit:"d6f433224538d4f9ca2f7ae19b252e6fcb66a3ae", GitTreeState:"clean", BuildDate:"2017-05-19T18:44:27Z", GoVersion:"go1.7.5", Compiler:"gc", Platform:"linux/amd64"} 
Server Version: version.Info{Major:"1", Minor:"6", GitVersion:"v1.6.4", GitCommit:"d6f433224538d4f9ca2f7ae19b252e6fcb66a3ae", GitTreeState:"clean", BuildDate:"2017-05-19T18:33:17Z", GoVersion:"go1.7.5", Compiler:"gc", Platform:"linux/amd64"} 

嘗試啓動三角帆莢(yaml files here)。我在安裝K8時選擇Flannelkubectl apply -f kube-flannel.yml)。然後我看到吊艙沒有啓動,它在「ContainerCreating」狀態中被擊中。我kubectl describe吊艙,顯示NetworkPlugin cni failed to set up pod

[email protected]:/opt/spinnaker/experimental/kubernetes/simple$ kubectl describe pod data-redis-master-v000-38j80 --namespace=spinnaker 
Name:  data-redis-master-v000-38j80 
Namespace: spinnaker 
Node:  ubuntu/192.168.6.136 
Start Time: Thu, 01 Jun 2017 02:54:14 -0700 
Labels:  load-balancer-data-redis-server=true 
     replication-controller=data-redis-master-v000 
Annotations: kubernetes.io/created-by={"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"ReplicaSet","namespace":"spinnaker","name":"data-redis-master-v000","uid":"43d4a44c-46b0-11e7-b0e1-000c29b... 
Status:  Pending 
IP:  
Controllers: ReplicaSet/data-redis-master-v000 
Containers: 
    redis-master: 
    Container ID: 
    Image:  gcr.io/kubernetes-spinnaker/redis-cluster:v2 
    Image ID:  
    Port:  6379/TCP 
    State:  Waiting 
     Reason:  ContainerCreating 
    Ready:  False 
    Restart Count: 0 
    Limits: 
     cpu: 100m 
    Requests: 
     cpu: 100m 
    Environment: 
     MASTER: true 
    Mounts: 
     /redis-master-data from data (rw) 
     /var/run/secrets/kubernetes.io/serviceaccount from default-token-71p4q (ro) 
Conditions: 
    Type  Status 
    Initialized True 
    Ready  False 
    PodScheduled True 
Volumes: 
    data: 
    Type: EmptyDir (a temporary directory that shares a pod's lifetime) 
    Medium: 
    default-token-71p4q: 
    Type: Secret (a volume populated by a Secret) 
    SecretName: default-token-71p4q 
    Optional: false 
QoS Class: Burstable 
Node-Selectors: <none> 
Tolerations: node.alpha.kubernetes.io/notReady=:Exists:NoExecute for 300s 
     node.alpha.kubernetes.io/unreachable=:Exists:NoExecute for 300s 
Events: 
    FirstSeen LastSeen Count From   SubObjectPath Type  Reason  Message 
    --------- -------- ----- ----   ------------- -------- ------  ------- 
    45m  45m  1 default-scheduler   Normal  Scheduled Successfully assigned data-redis-master-v000-38j80 to ubuntu 
    43m  43m  1 kubelet, ubuntu    Warning  FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: 8265d80732e7b73ebf8f1493d40403021064b61436c4c559b41330e7592fd47f" 

    43m 43m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: b972862d763e621e026728073deb9a304748c4ec4522982db0a168663ab59d36 
    42m 42m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: 72b39083a3a81c0da1d4b7fa65b5d6450b62a3562a05452c27b185bc33197327" 

    41m 41m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: d315511bfa9f6f09d7ef4cd277bde44e4885291ea566e3089460356c1ed34413" 

    40m 40m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: a03d776d2d7c5c4ae9c1ec31681b0b6e40759326a452916cff0e60c4d4e2c954" 

    40m 40m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: acf30a4aacda0c53bdbb8bc2d416704720bd1b623c43874052b4029f15950052" 

    39m 39m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: ea49f5f9428d585be7138f4ebce54f713eef549b16104a3d7aa728175b6ebc2a" 

    38m 38m 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "447d302c-46b0-11e7-b0e1-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: ec2483435b4b22576c9bd7bffac5d67d53893c189c0cf26aca1ae6af79d09914" 

    38m 1m 39 kubelet, ubuntu  Warning FailedSync (events with common reason combined) 
    45m 1s 448 kubelet, ubuntu  Normal SandboxChanged Pod sandbox changed, it will be killed and re-created. 
    45m 0s 412 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "CreatePodSandbox" for "data-redis-master-v000-38j80_spinnaker(447d302c-46b0-11e7-b0e1-000c29b1270f)" with CreatePodSandboxError: "CreatePodSandbox for pod \"data-redis-master-v000-38j80_spinnaker(447d302c-46b0-11e7-b0e1-000c29b1270f)\" failed: rpc error: code = 2 desc = NetworkPlugin cni failed to set up pod \"data-redis-master-v000-38j80_spinnaker\" network: open /run/flannel/subnet.env: no such file or directory" 

如何解決上述問題?

UPDATE-1

我已被重新初始化K8與kubeadm init --pod-network-cidr=10.244.0.0/16和部署樣品nginx pod。仍然有相同的錯誤

-----------------OUTPUT REMOVED------------------------------- 
Events: 
    FirstSeen LastSeen Count From   SubObjectPath Type  Reason  Message 
    --------- -------- ----- ----   ------------- -------- ------  ------- 
    3m  3m  1 default-scheduler   Normal  Scheduled Successfully assigned nginx-622qj to ubuntu 
    1m  1m  1 kubelet, ubuntu    Warning  FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "0728fece-46fe-11e7-ae5d-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: 38250afd765f0108aeff6e31bbe5a642a60db99b97cbbf15711f810cbe8f3829" 

    24s 24s 1 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "0728fece-46fe-11e7-ae5d-000c29b1270f" with KillPodSandboxError: "rpc error: code = 2 desc = NetworkPlugin cni failed to teardown pod \"_\" network: CNI failed to retrieve network namespace path: Error: No such container: 3bebcef02cb5f6645a65dcf06b2730144080f9d3c4fb18267feca5c5ce21031c" 

    2m 9s 33 kubelet, ubuntu  Normal SandboxChanged Pod sandbox changed, it will be killed and re-created. 
    3m 7s 32 kubelet, ubuntu  Warning FailedSync Error syncing pod, skipping: failed to "CreatePodSandbox" for "nginx-622qj_default(0728fece-46fe-11e7-ae5d-000c29b1270f)" with CreatePodSandboxError: "CreatePodSandbox for pod \"nginx-622qj_default(0728fece-46fe-11e7-ae5d-000c29b1270f)\" failed: rpc error: code = 2 desc = NetworkPlugin cni failed to set up pod \"nginx-622qj_default\" network: open /run/flannel/subnet.env: no such file or directory" 
+0

對於絨布作爲CNI的API服務器需要有說法--pod-網絡CIDR = ...設置爲疊加。你有做呢?你是如何啓動集羣? –

+0

運行'kubeadm init'後,我使用'kubectl apply -f'安裝了pod網絡KUBE-flannel.yml'。 – Veerendra

+0

@Janos Lenart,請檢查我的「UPDATE-1」。 – Veerendra

回答

1

您錯誤消息顯示flanel subnet.evn文件丟失。你需要先解決法蘭絨配置。你使用什麼版本的kubernetes?

網絡:開放/run/flannel/subnet.env:沒有這樣的文件或目錄」

如果您使用kubernetes 1.6及以上,我們可以使用下面YAML文件來配置絨布容器進程。

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