- 积分
- 16843
在线时间 小时
最后登录1970-1-1
|
马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?开始注册
x
kubectl describe pod -n kube-system kube-flannel-ds-amd64-42rl7
, h/ p% `+ I- r2 O4 N/ \4 e
' O) L! g2 J8 E" H+ N
0 K( n. Q) X' Y: C: `# n1 S2 V* s$ g# b5 l8 b7 }+ p I! m% j
" B p( \; _1 X$ L% M
Name: kube-flannel-ds-amd64-42rl7Namespace: % L! E+ u0 S' x! _
kube-systemPriority: 0PriorityClassName: <none>
: G. I) ^( y% M0 }Node: node5/10.168.209.17
. T! n' R1 z' V& I9 SStart Time: Wed, 22 Aug 2018 16:47:10 +0300Labels: app=flannel controller-revision-hash=911701653 pod-template-generation=1 tier=nodeAnnotations: <none>Status: RunningIP: 10.168.209.17Controlled By: DaemonSet/kube-flannel-ds-amd64Init Containers: install-cni: Container ID: docker://eb7ee47459a54d401969b1770ff45b39dc5768b0627eec79e189249790270169 Image: quay.io/coreos/flannel:v0.10.0-amd64 Image ID: docker-pullable://quay.io/coreos/flannel@sha256:88f2b4d96fae34bfff3d46293f7f18d1f9f3ca026b4a4d288f28347fcb6580ac Port: <none> Host Port: <none> Command: cp Args: -f /etc/kube-flannel/cni-conf.json /etc/cni/net.d/10-flannel.conflist State: Terminated Reason: Completed Exit Code: 0 Started: Wed, 22 Aug 2018 16:47:24 +0300 Finished: Wed, 22 Aug 2018 16:47:24 +0300 Ready: True Restart Count: 0 Environment: <none> Mounts: /etc/cni/net.d from cni (rw) /etc/kube-flannel/ from flannel-cfg (rw) /var/run/secrets/kubernetes.io/serviceaccount from flannel-token-9wmch (ro)Containers: kube-flannel: Container ID: docker://521b457c648baf10f01e26dd867b8628c0f0a0cc0ea416731de658e67628d54e Image: quay.io/coreos/flannel:v0.10.0-amd64 Image ID: docker-pullable://quay.io/coreos/flannel@sha256:88f2b4d96fae34bfff3d46293f7f18d1f9f3ca026b4a4d288f28347fcb6580ac Port: <none> Host Port: <none> Command: /opt/bin/flanneld Args: --ip-masq --kube-subnet-mgr State: Waiting Reason: CrashLoopBackOff Last State: Terminated Reason: Error Exit Code: 1 Started: Thu, 30 Aug 2018 10:15:04 +0300 Finished: Thu, 30 Aug 2018 10:15:08 +0300 Ready: False Restart Count: 2136 Limits: cpu: 100m memory: 50Mi Requests: cpu: 100m memory: 50Mi Environment: POD_NAME: kube-flannel-ds-amd64-42rl7 (v1:metadata.name) POD_NAMESPACE: kube-system (v1:metadata.namespace) Mounts: /etc/kube-flannel/ from flannel-cfg (rw) /run from run (rw) /var/run/secrets/kubernetes.io/serviceaccount from flannel-token-9wmch (ro)Conditions: Type Status Initialized True Ready False ContainersReady False PodScheduled TrueVolumes: run: Type: HostPath (bare host directory volume) Path: /run HostPathType: cni: Type: HostPath (bare host directory volume) Path: /etc/cni/net.d HostPathType: flannel-cfg: Type: ConfigMap (a volume populated by a ConfigMap) Name: kube-flannel-cfg Optional: false flannel-token-9wmch: Type: Secret (a volume populated by a Secret) SecretName: flannel-token-9wmch Optional: falseQoS Class: GuaranteedNode-Selectors: beta.kubernetes.io/arch=amd64Tolerations: node-role.kubernetes.io/master:NoSchedule node.kubernetes.io/disk-pressure:NoSchedule node.kubernetes.io/memory-pressure:NoSchedule node.kubernetes.io/not-ready:NoExecute node.kubernetes.io/unreachable:NoExecuteEvents: Type Reason Age From Message ---- ------ ---- ---- ------- Normal Pulled 51m (x2128 over 7d) kubelet, node5 Container image "quay.io/coreos/flannel:v0.10.0-amd64" already present on machine Warning BackOff 1m (x48936 over 7d) kubelet, node5 Back-off restarting failed container. B/ V& @: u. J! u
/ S; E5 S% g2 b& [! A! ~6 ?
检查kube-controller-manager.yaml5 R8 |, ]3 w' j" Q- t2 |# {2 Q- d
4 [$ ^, C+ R+ E# m4 i1 i: y4 S
/ ?% _2 G) a$ X( m$ O1 F:apiVersion: v1
) V: Q8 ^2 d% K' L* \kind: Podmetadata: annotations: scheduler.alpha.kubernetes.io/critical-pod: "" creationTimestamp: null labels: component: kube-controller-manager tier: control-plane name: kube-controller-manager namespace: kube-systemspec: containers: - command: - kube-controller-manager - --address=127.0.0.1 - --allocate-node-cidrs=true - --cluster-cidr=192.168.0.0/24 - --cluster-signing-cert-file=/etc/kubernetes/pki/ca.crt - --cluster-signing-key-file=/etc/kubernetes/pki/ca.key - --controllers=*,bootstrapsigner,tokencleaner - --kubeconfig=/etc/kubernetes/controller-manager.conf - --leader-elect=true - --node-cidr-mask-size=24 - --root-ca-file=/etc/kubernetes/pki/ca.crt - --service-account-private-key-file=/etc/kubernetes/pki/sa.key - --use-service-account-credentials=true image: k8s.gcr.io/kube-controller-manager-amd64:v1.11.2 imagePullPolicy: IfNotPresent livenessProbe: failureThreshold: 8 httpGet: host: 127.0.0.1 path: /healthz port: 10252 scheme: HTTP initialDelaySeconds: 15 timeoutSeconds: 15 name: kube-controller-manager resources: requests: cpu: 200m volumeMounts: - mountPath: /etc/ssl/certs name: ca-certs readOnly: true - mountPath: /etc/kubernetes/controller-manager.conf name: kubeconfig readOnly: true - mountPath: /usr/libexec/kubernetes/kubelet-plugins/volume/exec name: flexvolume-dir - mountPath: /etc/pki name: etc-pki readOnly: true - mountPath: /etc/kubernetes/pki name: k8s-certs readOnly: true hostNetwork: true priorityClassName: system-cluster-critical volumes: - hostPath: path: /etc/ssl/certs type: DirectoryOrCreate name: ca-certs - hostPath: path: /etc/kubernetes/controller-manager.conf type: FileOrCreate name: kubeconfig - hostPath: path: /usr/libexec/kubernetes/kubelet-plugins/volume/exec type: DirectoryOrCreate name: flexvolume-dir - hostPath: path: /etc/pki type: DirectoryOrCreate name: etc-pki - hostPath: path: /etc/kubernetes/pki type: DirectoryOrCreate name: k8s-certsstatus: {}- k: ~- C8 V6 g; u. U# \- O- E
: V6 h9 S# d/ i8 D/ o S& v1 G" X0 s2 Ckubectl logs --namespace kube-system kube-flannel-ds-amd64-5fx2/ T/ Y& q/ R8 z4 L
) x5 H2 S+ s' b& F
7 L9 E, D' N3 Y8 m$ r* a
pmain.go:475] Determining IP address of default interfacemain.go:488] 8 C% w! P8 U* K+ p( @2 M
2 N A4 l3 J; }' i( `8 \
0 b- H: ]; \) g2 d+ j" hUsing interface with name eth0 and address 10.168.209.14main.go:505] Defaulting external address to interface address (10.168.209.14)kube.go:131] Waiting 10m0s for node controller to synckube.go:294] Starting kube subnet managerkube.go:138] Node controller sync successfulmain.go:235] Created subnet manager: Kubernetes Subnet Manager - node2main.go:238] Installing signal handlersmain.go:353] Found network config - Backend type: vxlanvxlan.go:120] VXLAN config: VNI=1 Port=0 GBP=false DirectRouting=falsemain.go:280] Error registering network: failed to acquire lease: node "node2" pod cidr not assignedmain.go:333] Stopping shutdownHandler...
) `3 m R# Z5 B' I5 F' M
: p: E$ g$ i; y6 h
; k9 J, `2 y7 `7 l$ j: Y+ a) A9 a, q3 n
; u8 l& j9 W9 x- O2 @
cat /etc/kubernetes/manifests/kube-controller-manager.yaml | grep -i cluster-cidr- --cluster-cidr=172.168.10.0/24
h# q6 Z0 ?# P. Q# F
* A% e' N6 Z, }3 Q. z% E" h! P
* J. }3 q1 l/ V0 z0 {! c& F, k* H/ v" x8 }6 m2 @
kubectl patch node podname -p '{"spec":{"podCIDR":"172.168.10.0/24"}}'
9 C' A" Q8 t1 a1 p# |) I9 R, C; w# _2 N7 W; }6 U$ @
4 R6 W) f7 N- ?+ R' D4 L6 p
例如:kubectl patch node slave-node-1 -p '{"spec":{"podCIDR":"172.168.10.0/24"}}'/ M! E* M7 t \- d, i
4 b Z. n n, L. N9 y/ W: {
3 O# W& U& i5 Q/ z {4 ?
sudo ifconfig cni0 down;, s' X2 x+ Q U. }. {
sudo ifconfig flannel.1 down;
3 X5 V2 r7 m' k0 tsudo ip link delete cni0;6 f) n2 ?' \! f# ~, p* T
sudo ip link delete flannel.1;To fix this, please following the step below: - Step 0: Reset all Nodes within your Cluster. Run all nodes with6 z; q7 }0 } U/ q
kubeadm reset --force;
- Step 1: Down Interface cni0 and flannel.1." L. Y% e, k* ^
sudo ifconfig cni0 down;
7 h7 z% F; W( i0 a+ Y+ W* C3 W9 @sudo ifconfig flannel.1 down;
- Step 2: Delete Interface cni0 and flannel.1.
7 H1 N# {. v9 R6 Y- X- {& E, Q
sudo ip link delete cni0;
/ U& c0 h2 ]+ g2 P, ~- p) csudo ip link delete flannel.1;
- Step 3: Remove all items within /etc/cni/net.d/.
0 ]. w0 [/ C, l. b9 {# l+ b
sudo rm -rf /etc/cni/net.d/;
- Step 4: Re-Bootstrap your Kubernetes Cluster again.& Y8 w8 e& g" T' L% T
kubeadm init --control-plane-endpoint="..." --pod-network-cidr=10.244.0.0/16;
- Step 5: Re-deploy CNIs.! Y* T7 T) c* E! K
- Step 6: Restart your CNIs, here I used Container Daemon (Containerd).3 w) ~! ]) k; P% j! A5 D, Q
systemctl restart containerd;
3 g) L& }% s2 \3 Y0 K6 I
5 q8 `& o( ^9 `0 Z; M
! h0 o" C- |2 p$ l( l/ k |
|