kubeadm reset 清理安装的kubernetes环境 实际操作命令

admin

[root@k8s-master ~]# kubeadm reset --v=5 --cri-socket=unix:///var/run/cri-dockerd.sock  --ignore-preflight-errors=...
I1231 22:10:13.956939    4733 envvar.go:172] "Feature gate default state" feature="ClientsAllowCBOR" enabled=false
I1231 22:10:13.957052    4733 envvar.go:172] "Feature gate default state" feature="ClientsPreferCBOR" enabled=false
( d1 A/ g+ I8 }  w) y& c4 ?0 ]( H; ?I1231 22:10:13.957081    4733 envvar.go:172] "Feature gate default state" feature="InformerResourceVersion" enabled=false
# e* }/ V, V' }* _I1231 22:10:13.957105    4733 envvar.go:172] "Feature gate default state" feature="WatchListClient" enabled=false
4 m' ^5 q6 e" k/ yI1231 22:10:13.958189    4733 reset.go:140] [reset] Loaded client set from kubeconfig file: /etc/kubernetes/admin.conf
4 O" g" g2 N3 N  G[reset] Reading configuration from the "kubeadm-config" ConfigMap in namespace "kube-system"...
[reset] Use 'kubeadm init phase upload-config --config your-config.yaml' to re-upload it.
2 G7 c- n' ^! h+ @* ]5 R0 U* YI1231 22:10:13.987152    4733 kubeproxy.go:55] attempting to download the KubeProxyConfiguration from ConfigMap "kube-proxy"
I1231 22:10:13.996160    4733 kubelet.go:74] attempting to download the KubeletConfiguration from ConfigMap "kubelet-config"
1 Z* @8 I8 o( z5 j. b. y3 zI1231 22:10:14.016090    4733 cert_rotation.go:140] Starting client certificate rotation controller
W1231 22:10:14.056437    4733 preflight.go:56] [reset] WARNING: Changes made to this host by 'kubeadm init' or 'kubeadm join' will be reverted.
/ Y8 r2 j4 b& e8 \- E# p[reset] Are you sure you want to proceed? [y/N]: y
4 M) e9 M- R5 l[preflight] Running pre-flight checks
I1231 22:10:17.885878    4733 removeetcdmember.go:60] [reset] Checking for etcd config
I1231 22:10:17.885933    4733 local.go:94] [etcd] creating etcd client that connects to etcd pods
  M0 \9 H: R9 ZI1231 22:10:17.885997    4733 etcd.go:215] retrieving etcd endpoints from "kubeadm.kubernetes.io/etcd.advertise-client-urls" annotation in etcd Pods
+ N: u, ?. l& E& ^I1231 22:10:17.892577    4733 etcd.go:149] etcd endpoints read from pods: https://192.168.8.190:2379
I1231 22:10:17.926126    4733 etcd.go:274] etcd endpoints read from etcd: https://192.168.8.190:2379
" r, k5 ~( x: lI1231 22:10:17.926169    4733 etcd.go:167] update etcd endpoints: https://192.168.8.190:2379
I1231 22:10:17.950985    4733 local.go:110] [etcd] This is the only remaining etcd member in the etcd cluster, skip removing it
% P  }$ q: c9 c( u[reset] Deleted contents of the etcd data directory: /var/lib/etcd
I1231 22:10:17.951626    4733 cleanupnode.go:65] [reset] Getting init system
[reset] Stopping the kubelet service
[reset] Unmounting mounted directories in "/var/lib/kubelet"
I1231 22:10:18.002240    4733 unmount_linux.go:72] [reset] Unmounting "/var/lib/kubelet/pods/79a6bb09-1c6b-4b62-90ae-6baafcc5ff78/volumes/kubernetes.io~projected/kube-api-access-2gnmv"
' {8 ?9 M6 [3 N1 D) D0 zI1231 22:10:18.005902    4733 cleanupnode.go:103] [reset] Removing Kubernetes-managed containers
I1231 22:10:18.019561    4733 runtime.go:142] Attempting to remove container b0d854b20b57b922423d50168d30e0885573087bef0b2bb13248e1d309784bac
I1231 22:10:18.287443    4733 runtime.go:142] Attempting to remove container ef43a1e54c62f838232ddb82699aab7d12436cff1e68de564479ee9a02220d04
2 c! k5 x% f- c% ], |' |I1231 22:10:18.544023    4733 runtime.go:142] Attempting to remove container c80c7ef23e4af24b2b714963419e5ae27a75ddf811f93bc4a96ee59229626dcb
I1231 22:10:18.801848    4733 runtime.go:142] Attempting to remove container 6818fca85e063f92a365c493cc1895656aced93722afc2046dcf4e1616451904
I1231 22:10:19.074257    4733 runtime.go:142] Attempting to remove container cae358d36a25db438f6470cfc82fb6a7e6931e9cf5de374540cf6cf2c7bc3190
, L1 H* h9 D6 M8 c0 ^$ a[reset] Deleting contents of directories: [/etc/kubernetes/manifests /var/lib/kubelet /etc/kubernetes/pki]
[reset] Deleting files: [/etc/kubernetes/admin.conf /etc/kubernetes/super-admin.conf /etc/kubernetes/kubelet.conf /etc/kubernetes/bootstrap-kubelet.conf /etc/kubernetes/controller-manager.conf /etc/kubernetes/scheduler.conf]

0 U* A  o2 L8 s+ c8 OThe reset process does not clean CNI configuration. To do so, you must remove /etc/cni/net.d
, g: L9 Y7 }8 H/ ?, v8 d* X1 w
: p/ x% D" @/ f9 Z* JThe reset process does not reset or clean up iptables rules or IPVS tables.
2 I, y% w  _- m+ {If you wish to reset iptables, you must do so manually by using the "iptables" command.
5 O& Y( Q! o% C+ K( i1 O% B
If your cluster was setup to utilize IPVS, run ipvsadm --clear (or similar)
to reset your system's IPVS tables.

9 Z2 N+ f% S; P( _) x7 B- qThe reset process does not clean your kubeconfig files and you must remove them manually.
Please, check the contents of the $HOME/.kube/config file.
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