k8s 1.5 安装

    xiaoxiao2021-04-15  30

    基于yum 安装 可以参考上一篇文章yum源配置  节点:  master: 10.10.1.104  node1: 10.10.1.105  node2: 10.10.1.106

    一 初始化 所有节点操作  cat /etc/hosts

    10.10.1.104 master 

    10.10.1.105 node1 

    10.10.1.106 node2

    61.91.161.217 google.com  61.91.161.217 gcr.io  61.91.161.217 www.gcr.io  61.91.161.217 console.cloud.google.com  61.91.161.217 storage.googleapis.com

    vi /etc/selinux/config  SELINUX=permissive  setenforce 0

    systemctl stop firewalld  systemctl disable firewalld

    二 安装kubernetes  yum -y install kubernetes etcd flannel 所有节点

    配置下Docker  cat /usr/lib/systemd/system/docker.service

    [Unit]  Description=Docker Application Container Engine  Documentation=http://docs.docker.com  After=network.target docker-containerd.service  Wants=docker-storage-setup.service  Requires=docker-containerd.service rhel-push-plugin.socket

    [Service]  Type=notify  EnvironmentFile=-/etc/sysconfig/docker  EnvironmentFile=-/etc/sysconfig/docker-storage  EnvironmentFile=-/etc/sysconfig/docker-network  Environment=GOTRACEBACK=crash  ExecStart=/usr/bin/dockerd-current \  –add-runtime oci=/usr/libexec/docker/docker-runc-current \  –log-driver=syslog \  –default-runtime=oci \  –registry-mirror=https://8l5bep5r.mirror.aliyuncs.com \  –authorization-plugin=rhel-push-plugin \  –containerd /run/containerd.sock \  –exec-opt native.cgroupdriver=systemd \  –userland-proxy-path=/usr/libexec/docker/docker-proxy-current \

    ExecReload=/bin/kill -s HUP $MAINPID  LimitNOFILE=1048576  LimitNPROC=1048576  LimitCORE=infinity  TimeoutStartSec=0  Restart=on-abnormal

    [Install]  WantedBy=multi-user.target

    vi /etc/sysconfig/docker  OPTIONS=’–selinux-enabled –log-driver=journald –graph=/data/env/docker –insecure-registry 私有仓库地址

    mkdir -p /data/env/docker  systemctl enable docker && systemctl restart docker  systemctl status docker

    三 配置kubernetes  所有节点配置  vi /etc/kubernetes/config  KUBE_ETCD_SERVERS=”–etcd-servers=http://10.10.1.104:2379”  KUBE_LOGTOSTDERR=”–logtostderr=true”  KUBE_LOG_DIR=”–log-dir=/data/logs/kubernetes”  KUBE_LOG_LEVEL=”–v=1”  KUBE_ALLOW_PRIV=”–allow-privileged=false”  KUBE_MASTER=”–master=http://10.10.1.104:8080”

    master 配置:  vi /etc/etcd/etcd.conf

    [member]  ETCD_NAME=default  ETCD_DATA_DIR=”/var/lib/etcd/default.etcd”  ETCD_LISTEN_CLIENT_URLS=”http://0.0.0.0:2379

    [cluster]  ETCD_ADVERTISE_CLIENT_URLS=”http://0.0.0.0:2379

    vi /etc/kubernetes/apiserver

    KUBE_API_ADDRESS=”–address=0.0.0.0”  KUBE_ETCD_SERVERS=”–etcd-servers=http://10.10.1.104:2379”  KUBE_SERVICE_ADDRESSES=”–service-cluster-ip-range=10.254.0.0/16”  KUBE_ADMISSION_CONTROL=”–admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota”

    KUBE_API_ARGS=”“

    systemctl start etcd  etcdctl mkdir /kube-centos/network  etcdctl mk /kube-centos/network/config “{ \”Network\”: \”172.20.0.0/16\”, \”SubnetLen\”: 24, \”Backend\”: { \”Type\”: \”vxlan\” } }”

    vi /etc/sysconfig/flanneld  FLANNEL_ETCD_ENDPOINTS=”http://10.10.1.104:2379”  FLANNEL_ETCD_PREFIX=”/kube-centos/network”

    systemctl restart etcd kube-apiserver kube-controller-manager kube-scheduler flanneld systemctl enable etcd kube-apiserver kube-controller-manager kube-scheduler flanneld

    node 节点配置  vi /etc/kubernetes/kubelet  KUBELET_ADDRESS=”–address=0.0.0.0”  KUBELET_HOSTNAME=”–hostname-override=node1”  KUBELET_API_SERVER=”–api-servers=http://10.10.1.104:8080”  KUBELET_ARGS=”“  vi /etc/sysconfig/flanneld  FLANNEL_ETCD_ENDPOINTS=”http://10.10.1.104:2379”  FLANNEL_ETCD_PREFIX=”/kube-centos/network”

    systemctl restart kube-proxy kubelet flanneld docker systemctl enable kube-proxy kubelet flanneld docker

    ps -ef | grep kube

    master 操作

    kubectl cluster-info  kubectl get nodes  NAME STATUS AGE  node1 Ready 45d  node2 Ready 45d

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