kubernetes 1.14.2 kubeadm 方式部署

kubernetes 1.14.2 kubeadm方式部署

主机

192.168.100.111 k8s-master
192.168.100.112 k8s-node1
192.168.100.113 k8s-node2

基本环境

systemctl stop firewalldystemctl disable firewalldsed -i 's/enforcing/disabled/' /etc/selinux/configsetenforce 0swapoff -a  vim /etc/fstab cat /etc/hosts192.168.100.111 k8s-master192.168.100.112 k8s-node1192.168.100.113 k8s-node2yum install ntpdate -yntpdate  ntp.api.bzyum install -y yum-utils device-mapper-persistent-data lvm2yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repoyum install dockersystemctl enable docker && systemctl start dockervim  /etc/sysctl.confnet.bridge.bridge-nf-call-ip6tables = 1net.bridge.bridge-nf-call-iptables = 1net.bridge.bridge-nf-call-arptables = 1sysctl -p

部署

cat << EOF > /etc/yum.repos.d/kubernetes.repo[kubernetes]name=Kubernetesbaseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64enabled=1gpgcheck=1repo_gpgcheck=1gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpgEOFyum install -y kubelet kubeadm kubectl --disableexcludes=kubernetessystemctl enable kubelet && systemctl start kubeletkubeadm config images list  ##查询需要的版本k8s.gcr.io/kube-apiserver:v1.14.2k8s.gcr.io/kube-controller-manager:v1.14.2k8s.gcr.io/kube-scheduler:v1.14.2k8s.gcr.io/kube-proxy:v1.14.2k8s.gcr.io/pause:3.1k8s.gcr.io/etcd:3.3.10k8s.gcr.io/coredns:1.3.1## 修改对应的版本号K8S_VERSION=v1.14.2ETCD_VERSION=3.3.10DNS_VERSION=1.3.1PAUSE_VERSION=3.1FLANNEL_VERSION=v0.11.0-amd64# 基本组件docker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver-amd64:$K8S_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager-amd64:$K8S_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler-amd64:$K8S_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy-amd64:$K8S_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/etcd-amd64:$ETCD_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/pause:$PAUSE_VERSIONdocker pull registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:$DNS_VERSION# 网络组件docker pull quay.io/coreos/flannel:$FLANNEL_VERSION# 修改tagdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver-amd64:$K8S_VERSION k8s.gcr.io/kube-apiserver:$K8S_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager-amd64:$K8S_VERSION k8s.gcr.io/kube-controller-manager:$K8S_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler-amd64:$K8S_VERSION k8s.gcr.io/kube-scheduler:$K8S_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy-amd64:$K8S_VERSION k8s.gcr.io/kube-proxy:$K8S_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/etcd-amd64:$ETCD_VERSION k8s.gcr.io/etcd:$ETCD_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/pause:$PAUSE_VERSION k8s.gcr.io/pause:$PAUSE_VERSIONdocker tag registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:$DNS_VERSION k8s.gcr.io/coredns:$DNS_VERSION

安装

kubeadm init --kubernetes-version=1.14.2 --pod-network-cidr=10.244.0.0/16 --apiserver-advertise-address=192.168.100.111To start using your cluster, you need to run the following as a regular user:###  master执行  mkdir -p $HOME/.kube  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config  sudo chown $(id -u):$(id -g) $HOME/.kube/configYou should now deploy a pod network to the cluster.Run "kubectl apply -f [podnetwork].yaml" with one of the options listed at:  https://kubernetes.io/docs/concepts/cluster-administration/addons/Then you can join any number of worker nodes by running the following on each as root:## node 节点执行 kubeadm join 192.168.100.111:6443 --token ws2hxe.zeq9skej2ppjx4ip \    --discovery-token-ca-cert-hash sha256:abf8f2694f738fcd199aa5bbf99491b0f9248b3750b1df7ba47450bbe9a75f81

mkdir -p $HOME/.kubesudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/configsudo chown $(id -u):$(id -g) $HOME/.kube/config##三台都执行mkdir -p /etc/cni/net.d/cat < /etc/cni/net.d/10-flannel.conf{"name":"cbr0","type":"flannel","delegate": {"isDefaultGateway": true}}EOFmkdir /usr/share/oci-umount/oci-umount.d -pmkdir /run/flannel/cat < /run/flannel/subnet.envFLANNEL_NETWORK=10.244.0.0/16FLANNEL_SUBNET=10.244.0.1/24FLANNEL_MTU=1450FLANNEL_IPMASQ=trueEOF## masterkubectl apply -f https://raw.githubusercontent.com/coreos/flannel/v0.10.0/Documentation/kube-flannel.yml

kubectl get nodesNAME         STATUS   ROLES    AGE   VERSIONk8s-master   Ready    master   50m   v1.14.2k8s-node1    Ready       46m   v1.14.2k8s-node2    Ready       46m   v1.14.2