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[root@hadoop03 module]# cat k8s/kubeadm-config.yaml
apiVersion: kubeadm.k8s.io/v1beta2
kind: ClusterConfiguration
kubernetesVersion: v1.22.3
apiServer:
certSANs: #填写所有kube-apiserver节点的hostname、IP、VIP(好像也可以不用写，只写vip就行)
- 192.168.153.100
- 192.168.153.103
- 192.168.153.104
controlPlaneEndpoint: "192.168.153.100:6443" #vip
imageRepository: hadoop03:5000
networking:
podSubnet: "10.244.0.0/16"
serviceSubnet: 10.1.0.0/16
---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
featureGates:
SupportIPVSProxyMode: true
### ipvs模式 ###
mode: ipvs
##################
[root@hadoop03 module]# kubeadm init --config kubeadm-config.yaml
[root@hadoop03 module]# kubectl get pod -A
NAMESPACE NAME READY STATUS RESTARTS AGE
kube-system coredns-7675b787fd-7qlhz 1/1 Running 0 18m
kube-system coredns-7675b787fd-vpkzc 1/1 Running 0 18m
kube-system etcd-hadoop03 1/1 Running 24 18m
kube-system etcd-hadoop04 1/1 Running 0 7m22s
kube-system kube-apiserver-hadoop03 1/1 Running 5 18m
kube-system kube-apiserver-hadoop04 1/1 Running 0 7m25s
kube-system kube-controller-manager-hadoop03 1/1 Running 6 (7m12s ago) 18m
kube-system kube-controller-manager-hadoop04 1/1 Running 0 7m25s
kube-system kube-proxy-fx76x 0/1 CrashLoopBackOff 8 (2m40s ago) 18m
kube-system kube-proxy-qq2cl 0/1 CrashLoopBackOff 6 (87s ago) 7m27s
kube-system kube-scheduler-hadoop03 1/1 Running 40 (7m12s ago) 18m
kube-system kube-scheduler-hadoop04 1/1 Running 3 7m26s
[root@hadoop03 module]# kubectl get cm -n kube-system
NAME DATA AGE
coredns 1 17m
extension-apiserver-authentication 6 17m
kube-proxy 2 17m
kube-root-ca.crt 1 17m
kubeadm-config 1 17m
kubelet-config-1.22 1 17m
[root@hadoop03 module]#
[root@hadoop03 module]# kubectl edit cm kube-proxy -n kube-system
保存退出
删除kube-proxy-xxx
待自动 pod 重启
衍生问题: coredns HTT[ probe failed with statuscode: 503
kube-proxy 以上处理了，coredns 也一道处理了
衍生问题 Failed to create SubnetManager: error retrieving pod spec for 也一并处理了…
-bash-4.2# kubectl logs kube-flannel-ds-hv5kl -n kube-system
I0915 12:08:18.765904 1 main.go:217] CLI flags config: {etcdEndpoints:http://127.0.0.1:4001,http://127.0.0.1:2379 etcdPrefix:/coreos/network etcdKeyfile: etcdCertfile: etcdCAFile: etcdUsername: etcdPassword: help:false version:false autoDetectIPv4:false autoDetectIPv6:false kubeSubnetMgr:true kubeApiUrl: kubeAnnotationPrefix:flannel.alpha.coreos kubeConfigFile: iface:[enp0s3] ifaceRegex:[] ipMasq:true subnetFile:/run/flannel/subnet.env subnetDir: publicIP: publicIPv6: subnetLeaseRenewMargin:60 healthzIP:0.0.0.0 healthzPort:0 charonExecutablePath: charonViciUri: iptablesResyncSeconds:5 iptablesForwardRules:true netConfPath:/etc/kube-flannel/net-conf.json setNodeNetworkUnavailable:true}
W0915 12:08:18.766084 1 client_config.go:608] Neither --kubeconfig nor --master was specified. Using the inClusterConfig. This might not work.
E0915 12:08:18.861561 1 main.go:234] Failed to create SubnetManager: error retrieving pod spec for 'kube-system/kube-flannel-ds-hv5kl': Get "https://10.1.0.1:443/api/v1/namespaces/kube-system/pods/kube-flannel-ds-hv5kl": dial tcp 10.1.0.1:443: connect: network is unreachable
参考：https://wwwblogs/zhangsi-lzq/p/14279997.html
本文标签： IPVSfailedkubeproxycomplete
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