kubeadm安装kubernetes集群
# kubeadm init --kubernetes-version=v1.11.0 --pod-network-cidr=10.244.0.0/16 --apiserver-advertise-address=20.0.30.105 using Kubernetes version: v1.11.0running pre-flight checks
I0726 17:41:23.621027 65735 kernel_validator.go:81] Validating kernel version
I0726 17:41:23.621099 65735 kernel_validator.go:96] Validating kernel config
: hostname "docker-5" could not be reached
: hostname "docker-5" lookup docker-5 on 8.8.8.8:53: no such host
Pulling images required for setting up a Kubernetes cluster
This might take a minute or two, depending on the speed of your internet connection
You can also perform this action in beforehand using 'kubeadm config images pull'
Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"
Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"
Activating the kubelet service
Generated ca certificate and key.
Generated apiserver certificate and key.
apiserver serving cert is signed for DNS names and IPs
Generated apiserver-kubelet-client certificate and key.
Generated sa key and public key.
Generated front-proxy-ca certificate and key.
Generated front-proxy-client certificate and key.
Generated etcd/ca certificate and key.
Generated etcd/server certificate and key.
etcd/server serving cert is signed for DNS names and IPs
Generated etcd/peer certificate and key.
etcd/peer serving cert is signed for DNS names and IPs
Generated etcd/healthcheck-client certificate and key.
Generated apiserver-etcd-client certificate and key.
valid certificates and keys now exist in "/etc/kubernetes/pki"
Wrote KubeConfig file to disk: "/etc/kubernetes/admin.conf"
Wrote KubeConfig file to disk: "/etc/kubernetes/kubelet.conf"
Wrote KubeConfig file to disk: "/etc/kubernetes/controller-manager.conf"
Wrote KubeConfig file to disk: "/etc/kubernetes/scheduler.conf"
wrote Static Pod manifest for component kube-apiserver to "/etc/kubernetes/manifests/kube-apiserver.yaml"
wrote Static Pod manifest for component kube-controller-manager to "/etc/kubernetes/manifests/kube-controller-manager.yaml"
wrote Static Pod manifest for component kube-scheduler to "/etc/kubernetes/manifests/kube-scheduler.yaml"
Wrote Static Pod manifest for a local etcd instance to "/etc/kubernetes/manifests/etcd.yaml"
waiting for the kubelet to boot up the control plane as Static Pods from directory "/etc/kubernetes/manifests"
this might take a minute or longer if the control plane images have to be pulled
All control plane components are healthy after 39.001159 seconds
storing the configuration used in ConfigMap "kubeadm-config" in the "kube-system" Namespace
Creating a ConfigMap "kubelet-config-1.11" in namespace kube-system with the configuration for the kubelets in the cluster
Marking the node docker-5 as master by adding the label "node-role.kubernetes.io/master=''"
Marking the node docker-5 as master by adding the taints
Uploading the CRI Socket information "/var/run/dockershim.sock" to the Node API object "docker-5" as an annotation
using token: g80a49.qghzuffg3z58ykmv
configured RBAC rules to allow Node Bootstrap tokens to post CSRs in order for nodes to get long term certificate credentials
configured RBAC rules to allow the csrapprover controller automatically approve CSRs from a Node Bootstrap Token
configured RBAC rules to allow certificate rotation for all node client certificates in the cluster
creating the "cluster-info" ConfigMap in the "kube-public" namespace
Applied essential addon: CoreDNS
Applied essential addon: kube-proxy
Your Kubernetes master has initialized successfully!
To start using your cluster, you need to run the following as a regular user:
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
You should now deploy a pod network to the cluster.
Run "kubectl apply -f .yaml" with one of the options listed at:
https://kubernetes.io/docs/concepts/cluster-administration/addons/
You can now join any number of machines by running the following on each node
as root:
kubeadm join 20.0.30.105:6443 --token g80a49.qghzuffg3z58ykmv --discovery-token-ca-cert-hash sha256:8ae3e31892f930ba48eb33e96a2d86c0daf2a13847f8dc009e25e200a9cee6f6
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