環(huán)境說(shuō)明
10年的淶水網(wǎng)站建設(shè)經(jīng)驗(yàn),針對(duì)設(shè)計(jì)、前端、開(kāi)發(fā)、售后、文案、推廣等六對(duì)一服務(wù),響應(yīng)快,48小時(shí)及時(shí)工作處理。成都營(yíng)銷網(wǎng)站建設(shè)的優(yōu)勢(shì)是能夠根據(jù)用戶設(shè)備顯示端的尺寸不同,自動(dòng)調(diào)整淶水建站的顯示方式,使網(wǎng)站能夠適用不同顯示終端,在瀏覽器中調(diào)整網(wǎng)站的寬度,無(wú)論在任何一種瀏覽器上瀏覽網(wǎng)站,都能展現(xiàn)優(yōu)雅布局與設(shè)計(jì),從而大程度地提升瀏覽體驗(yàn)。創(chuàng)新互聯(lián)從事“淶水網(wǎng)站設(shè)計(jì)”,“淶水網(wǎng)站推廣”以來(lái),每個(gè)客戶項(xiàng)目都認(rèn)真落實(shí)執(zhí)行。
系統(tǒng):
Centos 7.5
集群:
master1 192.168.214.88
master2 192.168.214.89
master3 192.168.214.90
etcd1 192.168.214.200
etcd2 192.168.214.201
etcd3 192.168.214.202
node1 192.168.214.203
node2 192.168.214.204
node3 192.168.214.205
各節(jié)點(diǎn)組件
Master:二進(jìn)制安裝kube-apiserver,kube-scheduler,kube-config-manager(master上的三個(gè)重要組件)、kubectl(命令行工具)
說(shuō)明:kube-scheduler、kube-controller-manager 和 kube-apiserver 三者的功能緊密相關(guān); 同時(shí)只能有一個(gè) kube-scheduler、kube-controller-manager 進(jìn)程處于工作狀態(tài),如果運(yùn)行多個(gè),則需要通過(guò)選舉產(chǎn)生一個(gè) leader
Etcd:源碼二進(jìn)制安裝,選舉leader
Node:安裝flannel,kubelet,kube-proxy,docker-ce
haproxy:配置tcp代理haroxy組件
軟件版本信息
kubernetes:1.12.2
etcd:3.2.22
docker-ce:18.06
flannel:0.9.1
haproxy:1.5.18
準(zhǔn)備工作
所有節(jié)點(diǎn)關(guān)閉防火墻
systemctl stop firewalld && systemctl disable firewalld
所有節(jié)點(diǎn)關(guān)閉selinux
sed -i "s/SELINUX=.*/SELINUX=disabled/g" /etc/selinux/config && setenforce 0
配置yum源,方便kubernetes組件安裝
yum install -y epel-release vim /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64 enabled=1 gpgcheck=0 repo_gpgcheck=0 gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
host定向,打通集群主機(jī)名通信
vim /etc/hosts master1 192.168.214.88 master1 master2 192.168.214.89 master2 etcd1 192.168.214.200 etcd1 etcd2 192.168.214.201 etcd2 etcd3 192.168.214.202 etcd3 node1 192.168.214.203 node1 node2 192.168.214.204 node2
master1生成秘鑰,設(shè)置免密登錄集群其他節(jié)點(diǎn)
ssh-keygen ssh-copy-id -i /root/.ssh/id_rsa.pub master2 ssh-copy-id -i /root/.ssh/id_rsa.pub master3 ssh-copy-id -i /root/.ssh/id_rsa.pub etcd1 ssh-copy-id -i /root/.ssh/id_rsa.pub etcd2 ssh-copy-id -i /root/.ssh/id_rsa.pub etcd3 ssh-copy-id -i /root/.ssh/id_rsa.pub node1 ssh-copy-id -i /root/.ssh/id_rsa.pub node2 ssh-copy-id -i /root/.ssh/id_rsa.pub node3 ssh-copy-id -i /root/.ssh/id_rsa.pub mastercluster
配置ntpdate時(shí)間服務(wù)器
yum install ntpdate -y systemctl enable ntpdate.service systemctl start ntpdate.service 臨時(shí)同步:ntpdate time7.aliyun.com 設(shè)置任務(wù)計(jì)劃crontab -e: */30 * * * * /usr/sbin/ntpdate time7.aliyun.com >/dev/null 2>&1
關(guān)閉swap,否則會(huì)導(dǎo)致kubelet啟動(dòng)失敗
## 臨時(shí)關(guān)閉:swapoff -a ## 永久關(guān)閉:sed -i 's/.*swap.*/#&/' /etc/fstab
網(wǎng)頁(yè)標(biāo)題:Kubernetes之二進(jìn)制安裝(一)搭建環(huán)境說(shuō)明與前期準(zhǔn)備
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