记一次k8s处理问题No API client: no api servers specified
使用k8s工具进行kubelet get pods出现
I1111 15:04:04.990022 14323 feature_gate.go:181] feature gates: map[]
W1111 15:04:04.990085 14323 server.go:400] No API client: no api servers specified
I1111 15:04:04.990292 14323 docker.go:356] Connecting to docker on unix:///var/run/docker.sock
I1111 15:04:04.990300 14323 docker.go:376] Start docker client with request timeout=2m0s
E1111 15:04:04.992358 14323 cni.go:163] error updating cni config: No networks found in /etc/cni/net.d
I1111 15:04:04.999389 14323 manager.go:143] cAdvisor running in container: “/user.slice/user-1000.slice/session-4.scope”
W1111 15:04:05.012678 14323 manager.go:151] unable to connect to Rkt api service: rkt: cannot tcp Dial rkt api service: dial tcp [::1]:15441: getsockopt: connection refused
I1111 15:04:05.022997 14323 fs.go:117] Filesystem partitions: map[/dev/mapper/centos-root:{mountpoint:/ major:253 minor:0 fsType:xfs blockSize:0} /dev/sda1:{mountpoint:/boot major:8 minor:1 fsType:xfs blockSize:0} /dev/mapper/centos-home:{mountpoint:/home major:253 minor:2 fsType:xfs blockSize:0}]
I1111 15:04:05.024797 14323 manager.go:198] Machine: {NumCores:1 CpuFrequency:2999999 MemoryCapacity:2464034816 MachineID:d76f3e4fc0e145d89e823c76fda310b5 SystemUUID:58BB919E-8B9A-0F41-86B5-2BC764AC9AFC BootID:d15c973d-858b-4eff-82d9-dd94e8c72e5f Filesystems:[{Device:/dev/mapper/centos-root Capacity:41100877824 Type:vfs Inodes:20078592 HasInodes:true} {Device:/dev/sda1 Capacity:1063256064 Type:vfs Inodes:524288 HasInodes:true} {Device:/dev/mapper/centos-home Capacity:20063453184 Type:vfs Inodes:9801728 HasInodes:true}] DiskMap:map[253:0:{Name:dm-0 Major:253 Minor:0 Size:41120956416 Scheduler:none} 253:1:{Name:dm-1 Major:253 Minor:1 Size:2147483648 Scheduler:none} 253:2:{Name:dm-2 Major:253 Minor:2 Size:20073938944 Scheduler:none} 2:0:{Name:fd0 Major:2 Minor:0 Size:4096 Scheduler:deadline} 8:0:{Name:sda Major:8 Minor:0 Size:64424509440 Scheduler:deadline}] NetworkDevices:[{Name:eth0 MacAddress:00:15:5d:fc:d1:02 Speed:10000 Mtu:1500}] Topology:[{Id:0 Memory:2464034816 Cores:[{Id:0 Threads:[0] Caches:[{Size:32768 Type:Data Level:1} {Size:32768 Type:Instruction Level:1} {Size:262144 Type:Unified Level:2}]}] Caches:[{Size:12582912 Type:Unified Level:3}]}] CloudProvider:Azure InstanceType:Unknown InstanceID:58BB919E-8B9A-0F41-86B5-2BC764AC9AFC}
I1111 15:04:05.025454 14323 manager.go:204] Version: {KernelVersion:3.10.0-1127.el7.x86_64 ContainerOsVersion:CentOS Linux 7 (Core) DockerVersion:1.13.1 CadvisorVersion: CadvisorRevision:}
I1111 15:04:05.028066 14323 cadvisor_linux.go:152] Failed to register cAdvisor on port 4194, retrying. Error: listen tcp :4194: bind: address already in use
W1111 15:04:05.028313 14323 server.go:669] No api server defined - no events will be sent to API server.
W1111 15:04:05.031087 14323 kubelet_network.go:69] Hairpin mode set to “promiscuous-bridge” but kubenet is not enabled, falling back to “hairpin-veth”
I1111 15:04:05.031109 14323 kubelet.go:477] Hairpin mode set to “hairpin-veth”
I1111 15:04:05.041065 14323 docker_manager.go:262] Setting dockerRoot to /var/lib/docker
I1111 15:04:05.041083 14323 docker_manager.go:265] Setting cgroupDriver to systemd
I1111 15:04:05.042439 14323 server.go:770] Started kubelet v1.5.2
E1111 15:04:05.042578 14323 server.go:481] Starting health server failed: listen tcp 127.0.0.1:10248: bind: address already in use
E1111 15:04:05.042720 14323 kubelet.go:1146] Image garbage collection failed: unable to find data for container /
W1111 15:04:05.042765 14323 kubelet.go:1225] No api server defined - no node status update will be sent.
I1111 15:04:05.043178 14323 kubelet_node_status.go:227] Setting node annotation to enable volume controller attach/detach
I1111 15:04:05.043764 14323 server.go:123] Starting to listen on 0.0.0.0:10250
F1111 15:04:05.046753 14323 server.go:134] listen tcp 0.0.0.0:10250: bind: address already in use
下图
我就不贴完整了，错误明眼人一看就看出来了。命令敲错了，应该是kubectl get pods。我还以为是k8s重启后网络问题。下次注意。