{"id":35968,"date":"2023-05-12T21:26:58","date_gmt":"2022-11-07T13:22:29","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e6%89%a7%e8%a1%8ckubeadm-init%e5%91%bd%e4%bb%a4%e7%9a%84%e6%96%b9%e6%b3%95%e5%9c%a8kubernetes%e4%b8%ad\/"},"modified":"2024-01-15T08:45:04","modified_gmt":"2024-01-15T00:45:04","slug":"%e9%87%8d%e6%96%b0%e6%89%a7%e8%a1%8ckubeadm-init%e5%91%bd%e4%bb%a4%e7%9a%84%e6%96%b9%e6%b3%95%e5%9c%a8kubernetes%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e6%89%a7%e8%a1%8ckubeadm-init%e5%91%bd%e4%bb%a4%e7%9a%84%e6%96%b9%e6%b3%95%e5%9c%a8kubernetes%e4%b8%ad\/","title":{"rendered":"\u91cd\u65b0\u6267\u884ckubeadm init\u547d\u4ee4\u7684\u65b9\u6cd5\u5728kubernetes\u4e2d"},"content":{"rendered":"

\u5982\u679c\u60f3\u8981\u91cd\u65b0\u8fd0\u884ckubeadm init\u7684\u6280\u5de7<\/p>\n

\u6b65\u9aa4\uff08\u7c97\u66b4\u5730\uff09<\/p>\n

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      \u66f4\u6539\u4e3b\u673a<\/ol>\n<\/li>\n<\/ol>\n

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        \u66f4\u6539\u96c6\u7fa4<\/ol>\n

        1. \u6539\u53d8\u4e3b\u4eba\u8eab\u4efd<\/h2>\n
        [<\/span>root@ip-10-0-0-187 manifests]# kubeadm reset\r\n[<\/span>reset] Reading configuration from the cluster...\r\n[<\/span>reset] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -oyaml'<\/span>\r\n[<\/span>reset] WARNING: Changes made to this host by 'kubeadm init'<\/span> or 'kubeadm join'<\/span> will be reverted.\r\n[<\/span>reset] Are you sure you want to proceed? [<\/span>y\/N]: y\r\n[<\/span>preflight] Running pre-flight checks\r\n[<\/span>reset] Removing info for <\/span>node \"ip-10-0-0-187.ap-northeast-1.compute.internal\"<\/span> from the ConfigMap \"kubeadm-config\"<\/span> in <\/span>the \"kube-system\"<\/span> Namespace\r\nW0815 11:14:50.454604   10010 removeetcdmember.go:61] [<\/span>reset] failed to remove etcd member: error syncing endpoints with etc: etcdclient: no available endpoints\r\n.Please manually remove this etcd member using etcdctl\r\n[<\/span>reset] Stopping the kubelet service\r\n[<\/span>reset] Unmounting mounted directories in<\/span> \"\/var\/lib\/kubelet\"<\/span>\r\n\r\n[<\/span>reset] Deleting contents of config directories: [<\/span>\/etc\/kubernetes\/manifests \/etc\/kubernetes\/pki]\r\n[<\/span>reset] Deleting files: [<\/span>\/etc\/kubernetes\/admin.conf \/etc\/kubernetes\/kubelet.conf \/etc\/kubernetes\/bootstrap-kubelet.conf \/etc\/kubernetes\/controller-manager.conf \/etc\/kubernetes\/scheduler.conf]\r\n[<\/span>reset] Deleting contents of stateful directories: [<\/span>\/var\/lib\/etcd \/var\/lib\/kubelet \/etc\/cni\/net.d \/var\/lib\/dockershim \/var\/run\/kubernetes]\r\n\r\nThe reset process does not reset or clean up iptables rules or IPVS tables.\r\nIf you wish to reset iptables, you must do <\/span>so manually.\r\nFor example:\r\niptables -F<\/span> &&<\/span> iptables -t<\/span> nat -F<\/span> &&<\/span> iptables -t<\/span> mangle -F<\/span> &&<\/span> iptables -X<\/span>\r\n\r\nIf your cluster was setup to utilize IPVS, run ipvsadm --clear<\/span> (<\/span>or similar)<\/span>\r\nto reset your system's IPVS tables.\r\n\r\nThe reset process does not clean your kubeconfig files and you must remove them manually.\r\nPlease, check the contents of the $HOME\/.kube\/config file.\r\n<\/span><\/code><\/pre>\n
        [<\/span>root@ip-10-0-0-187 manifests]# kubeadm init --pod-network-cidr<\/span>=<\/span>192.168.0.0\/16\r\n[<\/span>init] Using Kubernetes version: v1.15.2\r\n[<\/span>preflight] Running pre-flight checks\r\n        [<\/span>WARNING IsDockerSystemdCheck]: detected \"cgroupfs\"<\/span> as the Docker cgroup driver. The recommended driver is \"systemd\"<\/span>.<\/span> Please follow the guide at https:\/\/kubernetes.io\/docs\/setup\/cri\/\r\n        [<\/span>WARNING FileExisting-tc]: tc not found in <\/span>system path\r\n[<\/span>preflight] Pulling images required for <\/span>setting up a Kubernetes cluster\r\n[<\/span>preflight] This might take a minute or two, depending on the speed of your internet connection\r\n[<\/span>preflight] You can also perform this action in <\/span>beforehand using 'kubeadm config images pull'<\/span>\r\n[<\/span>kubelet-start] Writing kubelet environment file with flags to file \"\/var\/lib\/kubelet\/kubeadm-flags.env\"<\/span>\r\n[<\/span>kubelet-start] Writing kubelet configuration to file \"\/var\/lib\/kubelet\/config.yaml\"<\/span>\r\n[<\/span>kubelet-start] Activating the kubelet service\r\n[<\/span>certs] Using certificateDir folder \"\/etc\/kubernetes\/pki\"<\/span>\r\n[<\/span>certs] Generating \"front-proxy-ca\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"front-proxy-client\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"ca\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"apiserver\"<\/span> certificate and key\r\n[<\/span>certs] apiserver serving cert is signed for <\/span>DNS names [<\/span>ip-10-0-0-187.ap-northeast-1.compute.internal kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local] and IPs [<\/span>10.96.0.1 10.0.0.187]\r\n[<\/span>certs] Generating \"apiserver-kubelet-client\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"etcd\/ca\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"etcd\/server\"<\/span> certificate and key\r\n[<\/span>certs] etcd\/server serving cert is signed for <\/span>DNS names [<\/span>ip-10-0-0-187.ap-northeast-1.compute.internal localhost] and IPs [<\/span>10.0.0.187 127.0.0.1 ::1]\r\n[<\/span>certs] Generating \"etcd\/peer\"<\/span> certificate and key\r\n[<\/span>certs] etcd\/peer serving cert is signed for <\/span>DNS names [<\/span>ip-10-0-0-187.ap-northeast-1.compute.internal localhost] and IPs [<\/span>10.0.0.187 127.0.0.1 ::1]\r\n[<\/span>certs] Generating \"etcd\/healthcheck-client\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"apiserver-etcd-client\"<\/span> certificate and key\r\n[<\/span>certs] Generating \"sa\"<\/span> key and public key\r\n[<\/span>kubeconfig] Using kubeconfig folder \"\/etc\/kubernetes\"<\/span>\r\n[<\/span>kubeconfig] Writing \"admin.conf\"<\/span> kubeconfig file\r\n[<\/span>kubeconfig] Writing \"kubelet.conf\"<\/span> kubeconfig file\r\n[<\/span>kubeconfig] Writing \"controller-manager.conf\"<\/span> kubeconfig file\r\n[<\/span>kubeconfig] Writing \"scheduler.conf\"<\/span> kubeconfig file\r\n[<\/span>control-plane] Using manifest folder \"\/etc\/kubernetes\/manifests\"<\/span>\r\n[<\/span>control-plane] Creating static Pod manifest for<\/span> \"kube-apiserver\"<\/span>\r\n[<\/span>control-plane] Creating static Pod manifest for<\/span> \"kube-controller-manager\"<\/span>\r\n[<\/span>control-plane] Creating static Pod manifest for<\/span> \"kube-scheduler\"<\/span>\r\n[<\/span>etcd] Creating static Pod manifest for <\/span>local <\/span>etcd in<\/span> \"\/etc\/kubernetes\/manifests\"<\/span>\r\n[<\/span>wait-control-plane] Waiting for <\/span>the kubelet to boot up the control plane as static Pods from directory \"\/etc\/kubernetes\/manifests\"<\/span>.<\/span> This can take up to 4m0s\r\n[<\/span>apiclient] All control plane components are healthy after 16.002183 seconds\r\n[<\/span>upload-config] Storing the configuration used in <\/span>ConfigMap \"kubeadm-config\"<\/span> in <\/span>the \"kube-system\"<\/span> Namespace\r\n[<\/span>kubelet] Creating a ConfigMap \"kubelet-config-1.15\"<\/span> in <\/span>namespace kube-system with the configuration for <\/span>the kubelets in <\/span>the cluster\r\n[<\/span>upload-certs] Skipping phase. Please see --upload-certs<\/span>\r\n[<\/span>mark-control-plane] Marking the node ip-10-0-0-187.ap-northeast-1.compute.internal as control-plane by adding the label \"node-role.kubernetes.io\/master=''\"<\/span>\r\n[<\/span>mark-control-plane] Marking the node ip-10-0-0-187.ap-northeast-1.compute.internal as control-plane by adding the taints [<\/span>node-role.kubernetes.io\/master:NoSchedule]\r\n[<\/span>bootstrap-token] Using token: pcu41l.p4ci20dawmbrmc5t\r\n[<\/span>bootstrap-token] Configuring bootstrap tokens, cluster-info ConfigMap, RBAC Roles\r\n[<\/span>bootstrap-token] configured RBAC rules to allow Node Bootstrap tokens to post CSRs in <\/span>order for <\/span>nodes to get long term certificate credentials\r\n[<\/span>bootstrap-token] configured RBAC rules to allow the csrapprover controller automatically approve CSRs from a Node Bootstrap Token\r\n[<\/span>bootstrap-token] configured RBAC rules to allow certificate rotation for <\/span>all node client certificates in <\/span>the cluster\r\n[<\/span>bootstrap-token] Creating the \"cluster-info\"<\/span> ConfigMap in <\/span>the \"kube-public\"<\/span> namespace\r\n[<\/span>addons] Applied essential addon: CoreDNS\r\n[<\/span>addons] Applied essential addon: kube-proxy\r\n\r\nYour Kubernetes control-plane has initialized successfully!\r\n\r\nTo start using your cluster, you need to run the following as a regular user:\r\n\r\n  mkdir<\/span> -p<\/span> $HOME<\/span>\/.kube\r\n  sudo cp<\/span> -i<\/span> \/etc\/kubernetes\/admin.conf $HOME<\/span>\/.kube\/config\r\n  sudo chown<\/span> $(<\/span>id<\/span> -u<\/span>)<\/span>:$(<\/span>id<\/span> -g<\/span>)<\/span> $HOME<\/span>\/.kube\/config\r\n\r\nYou should now deploy a pod network to the cluster.\r\nRun \"kubectl apply -f [podnetwork].yaml\"<\/span> with one of the options listed at:\r\n  https:\/\/kubernetes.io\/docs\/concepts\/cluster-administration\/addons\/\r\n\r\nThen you can join <\/span>any number of worker nodes by running the following on each as root:\r\n\r\nkubeadm join <\/span>10.0.0.187:6443 --token<\/span> pcu41l.p4ci20dawmbrmc5t \\<\/span>\r\n    --discovery-token-ca-cert-hash<\/span> sha256:76a0dd56ab9619496669d89d0f0919129d04fb80a2c0e22b53aff97c4dfc1620 \r\n\r\n\r\n[<\/span>root@ip-10-0-0-187 manifests]# cp<\/span> -i<\/span> \/etc\/kubernetes\/admin.conf $HOME<\/span>\/.kube\/config\r\ncp<\/span>: overwrite '\/root\/.kube\/config'<\/span>? y\r\n[<\/span>root@ip-10-0-0-187 manifests]# \r\n<\/code><\/pre>\n
        2. \u8282\u70b9\u7684\u914d\u7f6e\u66f4\u6539 de<\/h2>\n
        [<\/span>root@ip-10-0-0-152 ec2-user]# kubeadm reset\r\n[<\/span>reset] WARNING: Changes made to this host by 'kubeadm init'<\/span> or 'kubeadm join'<\/span> will be reverted.\r\n[<\/span>reset] Are you sure you want to proceed? [<\/span>y\/N]: y\r\n[<\/span>preflight] Running pre-flight checks\r\nW0815 11:19:05.789291   21466 removeetcdmember.go:79] [<\/span>reset] No kubeadm config, using etcd pod spec to get data directory\r\n[<\/span>reset] No etcd config found. Assuming external etcd\r\n[<\/span>reset] Please, manually reset etcd to prevent further issues\r\n[<\/span>reset] Stopping the kubelet service\r\n[<\/span>reset] Unmounting mounted directories in<\/span> \"\/var\/lib\/kubelet\"<\/span>\r\n[<\/span>reset] Deleting contents of config directories: [<\/span>\/etc\/kubernetes\/manifests \/etc\/kubernetes\/pki]\r\n[<\/span>reset] Deleting files: [<\/span>\/etc\/kubernetes\/admin.conf \/etc\/kubernetes\/kubelet.conf \/etc\/kubernetes\/bootstrap-kubelet.conf \/etc\/kubernetes\/controller-manager.conf \/etc\/kubernetes\/scheduler.conf]\r\n[<\/span>reset] Deleting contents of stateful directories: [<\/span>\/var\/lib\/kubelet \/etc\/cni\/net.d \/var\/lib\/dockershim \/var\/run\/kubernetes]\r\n\r\nThe reset process does not reset or clean up iptables rules or IPVS tables.\r\nIf you wish to reset iptables, you must do <\/span>so manually.\r\nFor example:\r\niptables -F<\/span> &&<\/span> iptables -t<\/span> nat -F<\/span> &&<\/span> iptables -t<\/span> mangle -F<\/span> &&<\/span> iptables -X<\/span>\r\n\r\nIf your cluster was setup to utilize IPVS, run ipvsadm --clear<\/span> (<\/span>or similar)<\/span>\r\nto reset your system's IPVS tables.\r\n\r\nThe reset process does not clean your kubeconfig files and you must remove them manually.\r\nPlease, check the contents of the $HOME\/.kube\/config file.\r\n[root@ip-10-0-0-152 ec2-user]# iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -X\r\n[root@ip-10-0-0-152 ec2-user]# \r\n[root@ip-10-0-0-152 ec2-user]# rm -rf $HOME\/.kube\/config\r\n[root@ip-10-0-0-152 ec2-user]# kubeadm join 10.0.0.187:6443 --token pcu41l.p4ci20dawmbrmc5t   \r\n  --discovery-token-ca-cert-hash sha256:76a0dd56ab9619496669d89d0f0919129d04fb80a2c0e22b53aff97c4dfc1620\r\n[preflight] Running pre-flight checks\r\n        [WARNING IsDockerSystemdCheck]: detected \"cgroupfs\" as the Docker cgroup driver. The recommended driver is \"systemd\". Please follow the guide at https:\/\/kubernetes.io\/docs\/setup\/cri\/\r\n        [WARNING FileExisting-tc]: tc not found in system path\r\n[preflight] Reading configuration from the cluster...\r\n[preflight] FYI: You can look at this config file with '<\/span>kubectl -n<\/span> kube-system get cm kubeadm-config -oyaml<\/span>'\r\n[kubelet-start] Downloading configuration for the kubelet from the \"kubelet-config-1.15\" ConfigMap in the kube-system namespace\r\n[kubelet-start] Writing kubelet configuration to file \"\/var\/lib\/kubelet\/config.yaml\"\r\n[kubelet-start] Writing kubelet environment file with flags to file \"\/var\/lib\/kubelet\/kubeadm-flags.env\"\r\n[kubelet-start] Activating the kubelet service\r\n[kubelet-start] Waiting for the kubelet to perform the TLS Bootstrap...\r\n\r\nThis node has joined the cluster:\r\n* Certificate signing request was sent to apiserver and a response was received.\r\n* The Kubelet was informed of the new secure connection details.\r\n\r\nRun '<\/span>kubectl get nodes' on the control-plane to see this node join the cluster.\r\n<\/span><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
        \u5982\u679c\u60f3\u8981\u91cd\u65b0\u8fd0\u884ckubeadm init\u7684\u6280\u5de7 \u6b65\u9aa4\uff08\u7c97\u66b4\u5730\uff09 \u66f4\u6539\u4e3b\u673a   \u66f4\u6539\u96c6\u7fa4 1. \u6539\u53d8\u4e3b […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-35968","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u91cd\u65b0\u6267\u884ckubeadm init\u547d\u4ee4\u7684\u65b9\u6cd5\u5728kubernetes\u4e2d - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u6267\u884ckubeadm-init\u547d\u4ee4\u7684\u65b9\u6cd5\u5728kubernetes\u4e2d\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u91cd\u65b0\u6267\u884ckubeadm init\u547d\u4ee4\u7684\u65b9\u6cd5\u5728kubernetes\u4e2d\" \/>\n<meta property=\"og:description\" content=\"\u5982\u679c\u60f3\u8981\u91cd\u65b0\u8fd0\u884ckubeadm init\u7684\u6280\u5de7 \u6b65\u9aa4\uff08\u7c97\u66b4\u5730\uff09 \u66f4\u6539\u4e3b\u673a   \u66f4\u6539\u96c6\u7fa4 1. \u6539\u53d8\u4e3b […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u6267\u884ckubeadm-init\u547d\u4ee4\u7684\u65b9\u6cd5\u5728kubernetes\u4e2d\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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