我已设置此3节点群集（http://docs.projectcalico.org/v2.1/getting-started/kubernetes/installation/vagrant/）。
重新启动节点后。 KubeDNS服务无法启动。 log没有显示太多信息。
收到吼叫信息
$ kubectl logs --namespace=kube-system kube-dns-v19-sqx9q -c kubedns
Error from server (BadRequest): container "kubedns" in pod "kube-dns-v19-sqx9q" is waiting to start: ContainerCreating
节点正在运行。
$ kubectl get nodes
NAME STATUS AGE VERSION
172.18.18.101 Ready,SchedulingDisabled 2d v1.6.0
172.18.18.102 Ready 2d v1.6.0
172.18.18.103 Ready 2d v1.6.0
$ kubectl get pods --namespace=kube-system
NAME READY STATUS RESTARTS AGE
calico-node-6rhb9 2/2 Running 4 2d
calico-node-mbhk7 2/2 Running 93 2d
calico-node-w9sjq 2/2 Running 6 2d
calico-policy-controller-2425378810-rd9h7 1/1 Running 0 25m
kube-dns-v19-sqx9q 0/3 ContainerCreating 0 25m
kubernetes-dashboard-2457468166-rs0tn 0/1 ContainerCreating 0 25m
如何找到DNS服务有什么问题？
由于 SR
更多细节
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
31m 31m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "d7c71007-2933-11e7-9bbd-08002774bad8" 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: 87bd5c4bc5b9d81468170cc840ba9203988bb259aa0c025372ee02303d9e8d4b"
31m 31m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "d7c71007-2933-11e7-9bbd-08002774bad8" 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: d091593b55eb9e16e09c5bc47f4701015839d83d23546c4c6adc070bc37ad60d"
30m 30m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: 69a1fa33f26b851664b2ad10def1eb37b5e5391ca33dad2551a2f98c52e05d0d
30m 30m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "d7c71007-2933-11e7-9bbd-08002774bad8" 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: c3b7c06df3bea90e4d12c0b7f1a03077edf5836407206038223967488b279d3d"
28m 28m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "d7c71007-2933-11e7-9bbd-08002774bad8" 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: 467d54496eb5665c5c7c20b1adb0cc0f01987a83901e4b54c1dc9ccb4860f16d"
28m 28m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: 1cd8022c9309205e61d7e593bc7ff3248af17d731e2a4d55e74b488cbc115162
27m 27m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: 1ed4174aba86124055981b7888c9d048d784e98cef5f2763fd1352532a0ba85d
26m 26m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "KillPodSandbox" for "d7c71007-2933-11e7-9bbd-08002774bad8" 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: 444693b4ce06eb25f3dbd00aebef922b72b291598fec11083cb233a0f9d5e92d"
25m 25m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: 736df24a9a6640300d62d542e5098e03a5a9fde4f361926e2672880b43384516
8m 8m 1 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: rpc error: code = 2 desc = Error: No such container: 8424dbdf92b16602c7d5a4f61d21cd602c5da449c6ec3449dafbff80ff5e72c4
2h 1m 49 kubelet, 172.18.18.102 Warning FailedSync (events with common reason combined)
2h 2s 361 kubelet, 172.18.18.102 Warning FailedSync Error syncing pod, skipping: failed to "CreatePodSandbox" for "kube-dns-v19-sqx9q_kube-system(d7c71007-2933-11e7-9bbd-08002774bad8)" with CreatePodSandboxError: "CreatePodSandbox for pod \"kube-dns-v19-sqx9q_kube-system(d7c71007-2933-11e7-9bbd-08002774bad8)\" failed: rpc error: code = 2 desc = NetworkPlugin cni failed to set up pod \"kube-dns-v19-sqx9q_kube-system\" network: the server has asked for the client to provide credentials (get pods kube-dns-v19-sqx9q)"
2h 1s 406 kubelet, 172.18.18.102 Normal SandboxChanged Pod sandbox changed, it will be killed and re-created.
pod描述输出
Name: kube-dns-v19-sqx9q
Namespace: kube-system
Node: 172.18.18.102/172.18.18.102
Start Time: Mon, 24 Apr 2017 17:34:22 -0400
Labels: k8s-app=kube-dns
kubernetes.io/cluster-service=true
version=v19
Annotations: kubernetes.io/created-by={"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"ReplicationController","namespace":"kube-system","name":"kube-dns-v19","uid":"dac3d892-278c-11e7-b2b5-0800...
scheduler.alpha.kubernetes.io/critical-pod=
scheduler.alpha.kubernetes.io/tolerations=[{"key":"CriticalAddonsOnly", "operator":"Exists"}]
Status: Pending
IP:
Controllers: ReplicationController/kube-dns-v19
Containers:
kubedns:
Container ID:
Image: gcr.io/google_containers/kubedns-amd64:1.7
Image ID:
Ports: 10053/UDP, 10053/TCP
Args:
--domain=cluster.local
--dns-port=10053
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Limits:
cpu: 100m
memory: 170Mi
Requests:
cpu: 100m
memory: 70Mi
Liveness: http-get http://:8080/healthz delay=60s timeout=5s period=10s #success=1 #failure=5
Readiness: http-get http://:8081/readiness delay=30s timeout=5s period=10s #success=1 #failure=3
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-r5xws (ro)
dnsmasq:
Container ID:
Image: gcr.io/google_containers/kube-dnsmasq-amd64:1.3
Image ID:
Ports: 53/UDP, 53/TCP
Args:
--cache-size=1000
--no-resolv
--server=127.0.0.1#10053
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-r5xws (ro)
healthz:
Container ID:
Image: gcr.io/google_containers/exechealthz-amd64:1.1
Image ID:
Port: 8080/TCP
Args:
-cmd=nslookup kubernetes.default.svc.cluster.local 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.cluster.local 127.0.0.1:10053 >/dev/null
-port=8080
-quiet
State: Waiting
Reason: ContainerCreating
Ready: False
Restart Count: 0
Limits:
cpu: 10m
memory: 50Mi
Requests:
cpu: 10m
memory: 50Mi
Environment: <none>
Mounts:
/var/run/secrets/kubernetes.io/serviceaccount from default-token-r5xws (ro)
Conditions:
Type Status
Initialized True
Ready False
PodScheduled True
Volumes:
default-token-r5xws:
Type: Secret (a volume populated by a Secret)
SecretName: default-token-r5xws
Optional: false
QoS Class: Burstable
Node-Selectors: <none>
Tolerations: <none>
答案 0 :(得分：1)
/var/run/secrets/kubernetes.io/serviceaccount的服务帐户装载default-token-r5xws失败。检查日志是否存在此秘密创建失败。
答案 1 :(得分：0)
我通过登录运行在计算机上的Docker桌面解决了此问题。
（我通过minikube在计算机上运行Kubernetes）