k8s_master_install_v2.sh

太过爱你忘了你带给我的痛 2021-09-30 10:46 197阅读 0赞

1 #!/bin/bash
      2 #by zhangjia
      3 #2019年3月30日22:17:14
      4 #k8s_master auto install
      5 ##############################################3333
      6 set -e
      7 network_name=eth0
      8 apiserver_ip=`ifconfig ${network_name} | grep inet |grep netmask | awk '{print $2}'`
      9 node_ip=`ifconfig ${network_name} | grep inet |grep netmask|awk '{print $2}'`
     10 setenforce 0 && sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
     11 systemctl stop firewalld && systemctl disable firewalld
     12 yum -y install ntp && ntpdate pool.ntp.org || true
     13 systemctl start ntpd && systemctl enable ntpd
     14 
     15 
     16 k8s_master_step1() {
     17     yum install kubernetes-master etcd flannel -y
     18     #modify /etc/etcd/etcd.conf
     19     sed -i "s#ETCD_DATA_DIR=.*#ETCD_DATA_DIR=\"/data/etcd/\"#g" /etc/etcd/etcd.conf
     20     sed -i "s#ETCD_NAME=.*#ETCD_NAME=\"etcd_k8s_master\"#g" /etc/etcd/etcd.conf
     21     sed -i "s#ETCD_LISTEN_CLIENT_URLS=.*#ETCD_LISTEN_CLIENT_URLS=\"http://localhost:2379,http://${apiserver_ip}:2379\"#g" /etc/etcd/etcd.conf
     22     sed -i "s#ETCD_ADVERTISE_CLIENT_URLS=.*#ETCD_ADVERTISE_CLIENT_URLS=\"http://localhost:2379,http://${apiserver_ip}:2379\"#g" /etc/etcd/etcd.conf
     23     [[ ! -d /data/etcd ]] && ( mkdir -p /data/etcd/;chmod 757 -R /data/etcd/ )
     24     systemctl restart etcd.service
     25 
     26     #modify /etc/kubernetes/apiserver
     27     sed -i "s#KUBE_API_ADDRESS=.*#KUBE_API_ADDRESS=\"--insecure-bind-address=0.0.0.0\"#g" /etc/kubernetes/apiserver
     28     sed -i "/KUBE_API_PORT/ s/#//g" /etc/kubernetes/apiserver
     29     sed -i "/KUBELET_PORT/ s/#//g" /etc/kubernetes/apiserver
     30     sed -i "s#KUBE_ETCD_SERVERS=.*#KUBE_ETCD_SERVERS=\"--etcd-servers=http://${apiserver_ip}:2379\"#g" /etc/kubernetes/apiserver
     31     sed -i "s#KUBE_ADMISSION_CONTROL=.*#KUBE_ADMISSION_CONTROL=\"--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota\"#g" /etc/kubernetes/apiserver
     32     sed -i 's/\ //g' /etc/kubernetes/apiserver
     33 
     34     #modify /etc/kubernetes/config
     35     sed -i "s#KUBE_ALLOW.*#KUBE_ALLOW_PRIV=\"--allow-privileged=true\"#g" /etc/kubernetes/config
     36     sed -i "s#KUBE_MASTER=.*#KUBE_MASTER=\"--master=http://${apiserver_ip}:8080\"#g" /etc/kubernetes/config
     37 
     38     #start  etcd  kube-apiserver  kube-controller-manager kube-scheduler
     39     for I in etcd kube-apiserver kube-controller-manager kube-scheduler;do systemctl restart $I;systemctl enable $I;systemctl status $I;done
     40     iptables -P FORWARD ACCEPT
     41 }
     42 
     43 k8s_node_step2() {
     44     #install kubernetes-node etcd docker flannel *rhsm
     45     yum install kubernetes-node etcd docker flannel *rhsm* -y
     46     #配置文件/etc/kubernetes/kubelet
     47     sed -i "/KUBELET_ADDRESS/ s/127.0.0.1/0\.0\.0\.0/g" /etc/kubernetes/kubelet
     48     sed -i "/KUBELET_PORT/ s/#//g" /etc/kubernetes/kubelet 
     49     sed -i "s#KUBELET_HOSTNAME.*#KUBELET_HOSTNAME=\"--hostname-override=${node_ip}\"#g" /etc/kubernetes/kubelet
     50     sed -i "s#KUBELET_API_SERVER.*#KUBELET_API_SERVER=\"--api-servers=http://${apiserver_ip}:8080\"#g" /etc/kubernetes/kubelet 
     51     sed -i 's/\ //g' /etc/kubernetes/kubelet
     52     #配置文件/etc/kubernetes/config
     53     sed -i "/KUBE_ALLOW_PRIV/ s/false/true/g" /etc/kubernetes/config
     54     sed -i "s#KUBE_MASTER.*#KUBE_MASTER=\"--master=http://${apiserver_ip}:8080\"#g" /etc/kubernetes/config
     55     #启动 kube-proxy  kubelet  docker
     56     for  I  in  kube-proxy  kubelet  docker;do systemctl  restart  $I ;systemctl  enable  $I ;systemctl status $I;done
     57     iptables -P FORWARD ACCEPT
     58 }
     59 
     60 
     61 
     62 flannel_step3() {
     63     #modify /etc/sysconfig/flannel
     64     sed -i "s#127.0.0.1#${apiserver_ip}#g" /etc/sysconfig/flanneld
     65     #在Master服务器，测试Etcd集群是否正常，同时在Etcd配置中心创建flannel网络配置：
     66     etcdctl  member list
     67     etcdctl cluster-health
     68     etcdctl  rm   /atomic.io/network/   --recursive || true
     69     etcdctl  mk  /atomic.io/network/config '{"Network":"172.17.0.0/16"}'
     70     etcdctl get /atomic.io/network/config
     71     systemctl restart flanneld ; systemctl enable flanneld
     72 }
     73 
     74 
     75 flanneld_step4() {
     76     #k8s_master的/etc/sysconfig/flanneld
     77     sed -i "s#FLANNEL_ETCD_ENDPOINTS.*#FLANNEL_ETCD_ENDPOINTS=\"http://${apiserver_id}:2379\"#g" /etc/sysconfig/flanneld
     78     systemctl restart flanneld ; systemctl enable flanneld
     79     docker load < pod-infrastructure.tgz
     80     docker tag $(docker images|grep none|awk '{print $3}') registry.access.redhat.com/rhel7/pod-infrastructure
     81     docker load < kubernetes-dashboard-amd64.tgz
     82     docker tag $(docker images|grep none|awk '{print $3}') bestwu/kubernetes-dashboard-amd64:v1.6.3
     83 }
     84 
     85 
     86 dashboard_step5() {
     87     #然后在Master端，创建dashboard-controller.yaml
     88     #创建dashboard-service.yaml
     89     sed -i "/apiserver-host/ s#http.*#http://${apiserver_ip}:8080#g" dashboard-controller.yaml
     90     kubectl delete -f dashboard-controller.yaml || true ; kubectl create -f dashboard-controller.yaml
     91     kubectl delete -f dashboard-service.yaml || true ; kubectl create -f dashboard-service.yaml
     92     kubectl  get  namespace
     93     kubectl get  deployment --all-namespaces
     94     kubectl get  svc  --all-namespaces
     95     kubectl  get  pods  --all-namespaces
     96     kubectl get pod  -o wide  --all-namespaces
     97     kubectl  describe  service/kubernetes-dashboard  --namespace="kube-system"
     98     #kubectl  describe  pod/kubernetes-dashboard-530803917-816df --namespace="kube-system"
     99     #kubectl  delete pod/kubernetes-dashboard-530803917-816df --namespace="kube-system" --grace-period=0 --force
    100 }
    101 
    102 
    103 #k8s_master_step1
    104 #flannel_step3
    105 #dashboard_step5

转载于:https://www.cnblogs.com/zhj5551/p/11198300.html