Les pods ne démarrent pas. NetworkPlugin cni n'a pas réussi à configurer le pod
Version K8:
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"}
J'ai essayé de lancer des pods de spi ( fichiers yaml ici ). Je choisis Flannel (kubectl apply -f kube-flannel.yml) lors de l'installation de K8. Ensuite, je vois que les pods ne démarrent pas, il apparaît dans l'état "ContainerCreating". JE kubectl describe un pod, montrant NetworkPlugin cni failed to set up pod
veeru@ubuntu:/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"
Comment puis-je résoudre le problème ci-dessus?
MISE À JOUR-1
J'ai réinitialisé K8 avec kubeadm init --pod-network-cidr=10.244.0.0/16 et exemple déployé pod nginx . Toujours la même erreur
-----------------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"
Votre message d'erreur indique que le fichier flanel subnet.evn est manquant. vous devez d'abord corriger la configuration de la flanelle. Quelle version de kubernetes utilisez-vous?
réseau: ouvert /run/flannel/subnet.env: aucun fichier ou répertoire de ce type "
si vous utilisez kubernetes 1.6 et supérieur, nous pouvons utiliser le fichier yaml ci-dessous pour configurer le processus de conteneur de flanelle.
kubectl create -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/k8s-manifests/kube-flannel-rbac.yml
kubectl create -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml
L'exécution de la commande suivante a résolu mes problèmes:
kubeadm init --pod-network-cidr=10.244.0.0/16
Pour la flanelle comme cni, le serveur api doit avoir l'argument --pod-network-cidr=... à définir sur la superposition.