服务器评测
主机信息
|
操作系统版本 |
CentOS-7-x86_64-Everything-1511 |
|
|
主机A |
192.168.6.128 |
主节点 |
|
主机B |
192.168.6.129 |
主节点 |
|
主机C |
192.168.6.130 |
从节点 |
第一步：配置静态IP
1.编辑网卡配置
vi /etc/sysconfig/network-scripts/ifcfg-eno16777736
默认配置：
文件更改后：
2.重启网卡
service network restart
3.网络测试
ping 192.168.6.2
能ping通，表示网络正常。
tips：
关闭网卡：ifdown eth0
启动网卡：ifup eth0
启动网络服务：
service network start
/etc/init.d/network start
重启网络服务：
service network restart
/etc/init.d/network restart
关闭网络服务：
service network stop
/etc/init.d/network stop
修改IP地址：
即时生效：# ifconfig eth0 192.168.1.100 netmask 255.255.255.0
重启生效：修改/etc/sysconfig/network-scripts/ifcfg-eth0
修改Default Gateway
即时生效：# route add default gw 192.168.1.1
重启生效：修改/etc/sysconfig/network-scripts/ifcfg-eth0
修改DNS：
即时生效：修改/etc/resolv.conf
重启生效：修改/etc/resolv.conf
修改hostname：
即时生效：hostname test
重启生效：修改/etc/sysconfig/network
更多Docker相关教程见以下内容：
Docker安装应用(CentOS 6.5_x64) http://www.linuxidc.com/Linux/2014-07/104595.htm
Ubuntu 14.04安装Docker http://www.linuxidc.com/linux/2014-08/105656.htm
Ubuntu使用VNC运行基于Docker的桌面系统 http://www.linuxidc.com/Linux/2015-08/121170.htm
阿里云CentOS 6.5 模板上安装 Docker http://www.linuxidc.com/Linux/2014-11/109107.htm
Ubuntu 15.04下安装Docker http://www.linuxidc.com/Linux/2015-07/120444.htm
在Ubuntu Trusty 14.04 (LTS) (64-bit)安装Docker http://www.linuxidc.com/Linux/2014-10/108184.htm
在 Ubuntu 15.04 上如何安装Docker及基本用法 http://www.linuxidc.com/Linux/2015-09/122885.htm
Ubuntu 16.04上Docker使用手记 http://www.linuxidc.com/Linux/2016-12/138490.htm
第二步：关闭SELinux
1.查看SELinux状态：
sestatus -v
如果 SELinux status 参数为 enabled，即为开启状态。
也可以用 getenforce 命令查看：
2.关闭SELinux
1）临时关闭：
若想即时生效且不重启系统，执行命令 setenforce 0
setenforce 0 #设置 SELinux 为 permissive 模式 setenforce 1 #设置 SELinux 为 enforcing模式。
2）永久关闭：
修改配置文件/etc/selinux/config，需要重启
vi /etc/selinux/config
将 SELINUX=enforcing
改为SELINUX=disabled
修改完成后，重启即可。
3.测试：
临时修改测试：
修改文件配置重启后，测试：
第三步：关闭防火墙
1.查看状态：
systemctl status firewalld.service
2.关闭
systemctl stop firewalld.service
查看状态：
3.开机禁用服务
systemctl disable firewalld.service
查看状态：
第四步：更改主机名
echo 192-168-6-128.master > /etc/hostname
第五步：配置hosts
echo "127.0.0.1 192-168-6-128.master" >> /etc/hosts echo "192.168.6.128 192-168-6-128.master" >> /etc/hosts echo "192.168.6.129 192-168-6-129.master" >> /etc/hosts echo "192.168.6.130 192-168-6-130.master" >> /etc/hosts echo "192.168.6.128 index.liubc.com" >> /etc/hosts # 128作为镜像库
第六步：修改kernel.hostname
sysctl kernel.hostname=192-168-6-128.master
第七步：重启网络
service network restart
第八步：配置本地yum源
1.上传系统安装包
本文上传到根目录下，目录名称为 CentOS-7。
2.配置yum源
进入 /etc/yum.repos.d 目录，新建 CentOS-Package.repo 文件
# cd /etc/yum.repos.d
# mkdir bak
# mv * bak
# vi CentOS-Package.repo
将以下内容写入到 CentOS-Package.repo 文件
name=CentOS-7 baseurl=file:///CentOS-7 enable=1 gpgcheck=0 gpgkey=file:///CentOS-7/RPM-GPG-KEY-CentOS-7
3.测试
查看是否配置成功：
yum repolist
显示有9007个软件包，源配置成功。
tips: 配置 ftp 方式的局域网 yum 源
配置本地 yum 源，可以选择上述方式，但是该种方式需要每台主机都上传软件包，造成时间和空间上的浪费。
因此，可以选择一台主机上传软件包，作为局域网 yum 源，其他主机通过 ftp 方式获取 yum 源。
1.所需软件
vsftpd —- 用户提供局域网的 FTP 服务
1）软件包：
vsftpd-3.0.2-10.el7.x86_64.rpm
vsftpd-sysvinit-3.0.2-10.el7.x86_64.rpm
2）安装：
rpm -ivh vsftpd*
3）启动：
service vsftpd start
4）设置 vsftpd 开机启动
执行以下命令：
chkconfig vsftpd on
2.上传系统安装包
上传到一台主机上，本文上传到 192.168.6.128 的 /CentOS-7 目录下
3.更改 vsftpd 配置文件
在 192.168.6.128 主机上的文件 /etc/vsftpd/vsftpd.conf 最下面追加以下内容：
no_anon_password=NO anon_root=/CentOS-7/
4.重启 vsftpd 服务
在 192.168.6.128 上执行以下命令：
service vsftpd restart
5.其他两台主机做如下配置操作：
1）进入 /etc/yum.repos.d 目录，新建 CentOS-Package.repo 文件
# cd /etc/yum.repos.d # mkdir bak # mv * bak # vi CentOS-Package.repo
2）将以下内容写入到 CentOS-Package.repo 文件
[base] name=CentOS-7 baseurl=ftp://192.168.6.128 enable=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
3）清除缓存
执行以下命令：
yum clean all
4）测试
查看是否配置成功：
yum repolist
显示有9007个软件包，源配置成功。
第九步：其他两台主机做以上相同配置操作
配置操作完成后，验证网络连通性、主机名解析正确性后，准备工作即为成功完成！
更多详情见请继续阅读下一页的精彩内容： http://www.linuxidc.com/Linux/2017-03/141592p2.htm
第一步：上传安装包和 docker 镜像
1.安装包：
docker-engine-1.12.1-1.el7.CentOS.x86_64.rpm
docker-engine-selinux-1.12.1-1.el7.centos.noarch.rpm
2.docker 镜像
共28个文件：
第二步：安装 docker-engine-selinux-1.12.1-1.el7.centos.noarch.rpm
使用 yum 安装会同时安装相关依赖
yum install docker-engine-selinux-1.12.1-1.el7.centos.noarch.rpm
第三步：安装 docker-engine-1.12.1-1.el7.centos.x86_64.rpm
通过 rpm 命令安装：
rpm -ivh docker-engine-1.12.1-1.el7.centos.x86_64.rpm
第四步：启动 Docker
执行以下命令启动：
systemctl start docker
第五步：设置 docker 服务开机启动
执行以下命令：
chkconfig docker on
第六步：测试
1.查看 docker 进程
2.查看 docker 版本
1）docker -v
2）docker version
第七步：导入 docker 镜像文件
1.分别执行一下命令导入
1 docker load -i busyboxgoogle.tar 2 docker load -i busybox.tar 3 docker load -i calicocni.tar 4 docker load -i calicoctl.tar 5 docker load -i calico-kube-policy-controller.tar 6 docker load -i caliconode.tar 7 docker load -i dnsmasq-metrics.tar 8 docker load -i dnssidecar.tar 9 docker load -i etcd-amd64.tar 10 docker load -i exechealthz-amd64111.tar 11 docker load -i exechealthz-amd64.tar 12 docker load -i kube-apiserver-amd64.tar 13 docker load -i kube-apiserver.tar 14 docker load -i kube-controller-manager-amd64.tar 15 docker load -i kube-controller-manager.tar 16 docker load -i kube-discovery.tar 17 docker load -i kubedns-amd64.tar 18 docker load -i kube-dnsmasq-amd6414.tar 19 docker load -i kube-dnsmasq-amdd.tar 20 docker load -i kubedns.tar 21 docker load -i kube-proxy140.tar 22 docker load -i kube-proxy-amd64.tar 23 docker load -i kube-proxy.tar 24 docker load -i kubernetes-dashboard-amd64.tar 25 docker load -i kube-scheduler.tar 26 docker load -i nginx111.tar 27 docker load -i nginx.tar 28 docker load -i pause-amd645.tar
2.测试
验证镜像文件是否导入完整，共计28个文件，执行以下命令查看：
docker images
第八步：其他两台主机做以上相同配置操作
操作完成后，docker 安装工作即为成功完成！
第一步：准备
1. 安装包：
kubeadm-1.6.0-0.alpha.0.2074.a092d8e0f95f52.x86_64.rpm
kubernetes-cni-0.3.0.1-0.07a8a2.x86_64.rpm
kubelet-1.5.1-0.x86_64.rpm
kubectl-1.5.1-0.x86_64.rpm
etcd-v2.2.1-linux-amd64.tar.gz
2. 上传
在三台主机分别上传以上安装包。
第二步：安装 k8s
# yum localinstall *.rpm -y
返回信息：
第三步：安装 tmux
# yum install tmux
返回信息：
第四步：安装配置 etcd
1. 删除默认的 k8s 配置文件
# rm -rf /etc/kubernetes/
2. 解压 etcd 压缩包
# tar zxvf etcd-v2.2.1-linux-amd64.tar.gz
# mv etcd-v2.2.1-linux-amd64 etcd
# cd etcd
3. 执行 tmux 进入后台，执行 etcd 配置脚本
1）在 192.168.6.128 执行
./etcd --name infra0 --initial-advertise-peer-urls http://192.168.6.128:2380 \ --listen-peer-urls http://192.168.6.128:2380 \ --listen-client-urls http://192.168.6.128:2379,http://127.0.0.1:2379 \ --advertise-client-urls http://192.168.6.128:2379 \ --initial-cluster-token etcd-cluster-1 --initial-cluster infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 \ --initial-cluster-state new
返回信息：
2017-03-07 21:40:34.058276 I | etcdmain: etcd Version: 2.2.1 2017-03-07 21:40:34.058350 I | etcdmain: Git SHA: 75f8282 2017-03-07 21:40:34.058358 I | etcdmain: Go Version: go1.5.1 2017-03-07 21:40:34.058364 I | etcdmain: Go OS/Arch: linux/amd64 2017-03-07 21:40:34.058373 I | etcdmain: setting maximum number of CPUs to 1, total number of available CPUs is 1 2017-03-07 21:40:34.058385 W | etcdmain: no data-dir provided, using default data-dir ./infra0.etcd 2017-03-07 21:40:34.058499 I | etcdmain: listening for peers on http://192.168.6.128:2380 2017-03-07 21:40:34.058545 I | etcdmain: listening for client requests on http://127.0.0.1:2379 2017-03-07 21:40:34.058575 I | etcdmain: listening for client requests on http://192.168.6.128:2379 2017-03-07 21:40:34.060783 I | etcdserver: name = infra0 2017-03-07 21:40:34.060805 I | etcdserver: data dir = infra0.etcd 2017-03-07 21:40:34.060813 I | etcdserver: member dir = infra0.etcd/member 2017-03-07 21:40:34.060820 I | etcdserver: heartbeat = 100ms 2017-03-07 21:40:34.060826 I | etcdserver: election = 1000ms 2017-03-07 21:40:34.060832 I | etcdserver: snapshot count = 10000 2017-03-07 21:40:34.060851 I | etcdserver: advertise client URLs = http://192.168.6.128:2379 2017-03-07 21:40:34.060862 I | etcdserver: initial advertise peer URLs = http://192.168.6.128:2380 2017-03-07 21:40:34.060882 I | etcdserver: initial cluster = infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 2017-03-07 21:40:34.102470 I | etcdserver: starting member 205e265f32ab88c4 in cluster 24d40765d97551b1 2017-03-07 21:40:34.102699 I | raft: 205e265f32ab88c4 became follower at term 0 2017-03-07 21:40:34.102756 I | raft: newRaft 205e265f32ab88c4 [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0] 2017-03-07 21:40:34.102773 I | raft: 205e265f32ab88c4 became follower at term 1 2017-03-07 21:40:34.159745 I | etcdserver: starting server... [version: 2.2.1, cluster version: to_be_decided] 2017-03-07 21:40:34.162442 E | etcdmain: failed to notify systemd for readiness: No socket 2017-03-07 21:40:34.162485 E | etcdmain: forgot to set Type=notify in systemd service file? 2017-03-07 21:40:34.168847 N | etcdserver: added local member 205e265f32ab88c4 [http://192.168.6.128:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:34.169066 N | etcdserver: added member 277ba44edc63d7cd [http://192.168.6.130:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:34.169745 N | etcdserver: added member c1d267ff57ac5bcc [http://192.168.6.129:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:34.170048 E | rafthttp: failed to dial 277ba44edc63d7cd on stream Message (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:34.170125 E | rafthttp: failed to dial 277ba44edc63d7cd on stream MsgApp v2 (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:34.170191 E | rafthttp: failed to dial c1d267ff57ac5bcc on stream Message (dial tcp 192.168.6.129:2380: getsockopt: connection refused) 2017-03-07 21:40:34.170251 E | rafthttp: failed to dial c1d267ff57ac5bcc on stream MsgApp v2 (dial tcp 192.168.6.129:2380: getsockopt: connection refused) 2017-03-07 21:40:34.703774 I | raft: 205e265f32ab88c4 is starting a new election at term 1 2017-03-07 21:40:34.704446 I | raft: 205e265f32ab88c4 became candidate at term 2 2017-03-07 21:40:34.704478 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 2 2017-03-07 21:40:34.704510 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 2 2017-03-07 21:40:34.704535 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 2 2017-03-07 21:40:34.709296 E | rafthttp: failed to write c1d267ff57ac5bcc on pipeline (dial tcp 192.168.6.129:2380: getsockopt: connection refused) 2017-03-07 21:40:34.709712 E | rafthttp: failed to write 277ba44edc63d7cd on pipeline (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:36.003331 I | raft: 205e265f32ab88c4 is starting a new election at term 2 2017-03-07 21:40:36.042379 I | raft: 205e265f32ab88c4 became candidate at term 3 2017-03-07 21:40:36.042511 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 3 2017-03-07 21:40:36.042551 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 3 2017-03-07 21:40:36.042576 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 3 2017-03-07 21:40:37.203729 I | raft: 205e265f32ab88c4 is starting a new election at term 3 2017-03-07 21:40:37.204106 I | raft: 205e265f32ab88c4 became candidate at term 4 2017-03-07 21:40:37.204161 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 4 2017-03-07 21:40:37.204205 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 4 2017-03-07 21:40:37.204247 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 4 2017-03-07 21:40:38.604756 I | raft: 205e265f32ab88c4 is starting a new election at term 4 2017-03-07 21:40:38.605007 I | raft: 205e265f32ab88c4 became candidate at term 5 2017-03-07 21:40:38.605038 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 5 2017-03-07 21:40:38.605382 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 5 2017-03-07 21:40:38.605432 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 5 2017-03-07 21:40:39.804275 I | raft: 205e265f32ab88c4 is starting a new election at term 5 2017-03-07 21:40:39.804662 I | raft: 205e265f32ab88c4 became candidate at term 6 2017-03-07 21:40:39.804684 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 6 2017-03-07 21:40:39.804697 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 6 2017-03-07 21:40:39.804709 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 6 2017-03-07 21:40:41.168876 E | etcdserver: publish error: etcdserver: request timed out 2017-03-07 21:40:41.204051 I | raft: 205e265f32ab88c4 is starting a new election at term 6 2017-03-07 21:40:41.204460 I | raft: 205e265f32ab88c4 became candidate at term 7 2017-03-07 21:40:41.204494 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 7 2017-03-07 21:40:41.204515 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 7 2017-03-07 21:40:41.204532 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 7 2017-03-07 21:40:42.803859 I | raft: 205e265f32ab88c4 is starting a new election at term 7 2017-03-07 21:40:42.803939 I | raft: 205e265f32ab88c4 became candidate at term 8 2017-03-07 21:40:42.803949 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 8 2017-03-07 21:40:42.803962 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 8 2017-03-07 21:40:42.803973 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 8 2017-03-07 21:40:44.207322 I | raft: 205e265f32ab88c4 is starting a new election at term 8 2017-03-07 21:40:44.207549 I | raft: 205e265f32ab88c4 became candidate at term 9 2017-03-07 21:40:44.207581 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 9 2017-03-07 21:40:44.207608 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 9 2017-03-07 21:40:44.207632 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 9 2017-03-07 21:40:45.404016 I | raft: 205e265f32ab88c4 is starting a new election at term 9 2017-03-07 21:40:45.404575 I | raft: 205e265f32ab88c4 became candidate at term 10 2017-03-07 21:40:45.404616 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 10 2017-03-07 21:40:45.404644 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 10 2017-03-07 21:40:45.404669 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 10 2017-03-07 21:40:46.605584 I | raft: 205e265f32ab88c4 is starting a new election at term 10 2017-03-07 21:40:46.605724 I | raft: 205e265f32ab88c4 became candidate at term 11 2017-03-07 21:40:46.605747 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 11 2017-03-07 21:40:46.605772 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 11 2017-03-07 21:40:46.605795 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 11 2017-03-07 21:40:47.855884 I | rafthttp: the connection with c1d267ff57ac5bcc became active 2017-03-07 21:40:48.038296 I | raft: 205e265f32ab88c4 [term: 11] ignored a MsgVote message with lower term from c1d267ff57ac5bcc [term: 2] 2017-03-07 21:40:48.105541 I | raft: 205e265f32ab88c4 is starting a new election at term 11 2017-03-07 21:40:48.105669 I | raft: 205e265f32ab88c4 became candidate at term 12 2017-03-07 21:40:48.105691 I | raft: 205e265f32ab88c4 received vote from 205e265f32ab88c4 at term 12 2017-03-07 21:40:48.105716 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 12 2017-03-07 21:40:48.105740 I | raft: 205e265f32ab88c4 [logterm: 1, index: 3] sent vote request to c1d267ff57ac5bcc at term 12 2017-03-07 21:40:48.151355 I | raft: 205e265f32ab88c4 received vote from c1d267ff57ac5bcc at term 12 2017-03-07 21:40:48.151714 I | raft: 205e265f32ab88c4 [q:2] has received 2 votes and 0 vote rejections 2017-03-07 21:40:48.151962 I | raft: 205e265f32ab88c4 became leader at term 12 2017-03-07 21:40:48.152021 I | raft: raft.node: 205e265f32ab88c4 elected leader 205e265f32ab88c4 at term 12 2017-03-07 21:40:48.164621 W | etcdserver: failed to reach the peerURL(http://192.168.6.130:2380) of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:48.164660 W | etcdserver: cannot get the version of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:48.167418 I | etcdserver: setting up the initial cluster version to 2.1 2017-03-07 21:40:48.169673 E | etcdserver: publish error: etcdserver: request timed out, possibly due to connection lost 2017-03-07 21:40:48.173202 N | etcdserver: set the initial cluster version to 2.1 2017-03-07 21:40:48.176115 I | etcdserver: published {Name:infra0 ClientURLs:[http://192.168.6.128:2379]} to cluster 24d40765d97551b1 2017-03-07 21:40:53.169422 W | etcdserver: failed to reach the peerURL(http://192.168.6.130:2380) of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:53.169475 W | etcdserver: cannot get the version of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:58.177751 W | etcdserver: failed to reach the peerURL(http://192.168.6.130:2380) of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:58.177823 W | etcdserver: cannot get the version of member 277ba44edc63d7cd (Get http://192.168.6.130:2380/version: dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:41:01.438424 I | rafthttp: the connection with 277ba44edc63d7cd became active 2017-03-07 21:41:03.191553 I | etcdserver: updating the cluster version from 2.1 to 2.2 2017-03-07 21:41:03.197963 N | etcdserver: updated the cluster version from 2.1 to 2.2
2）在 192.168.6.129 上执行：
./etcd --name infra1 --initial-advertise-peer-urls http://192.168.6.129:2380 \ --listen-peer-urls http://192.168.6.129:2380 \ --listen-client-urls http://192.168.6.129:2379,http://127.0.0.1:2379 \ --advertise-client-urls http://192.168.6.129:2379 \ --initial-cluster-token etcd-cluster-1 --initial-cluster infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 \ --initial-cluster-state new
返回信息：
2017-03-07 21:40:47.824138 I | etcdmain: etcd Version: 2.2.1 2017-03-07 21:40:47.824299 I | etcdmain: Git SHA: 75f8282 2017-03-07 21:40:47.824318 I | etcdmain: Go Version: go1.5.1 2017-03-07 21:40:47.824332 I | etcdmain: Go OS/Arch: linux/amd64 2017-03-07 21:40:47.824351 I | etcdmain: setting maximum number of CPUs to 1, total number of available CPUs is 1 2017-03-07 21:40:47.824376 W | etcdmain: no data-dir provided, using default data-dir ./infra1.etcd 2017-03-07 21:40:47.824605 I | etcdmain: listening for peers on http://192.168.6.129:2380 2017-03-07 21:40:47.824832 I | etcdmain: listening for client requests on http://127.0.0.1:2379 2017-03-07 21:40:47.824919 I | etcdmain: listening for client requests on http://192.168.6.129:2379 2017-03-07 21:40:47.830245 I | etcdserver: name = infra1 2017-03-07 21:40:47.830298 I | etcdserver: data dir = infra1.etcd 2017-03-07 21:40:47.830316 I | etcdserver: member dir = infra1.etcd/member 2017-03-07 21:40:47.830368 I | etcdserver: heartbeat = 100ms 2017-03-07 21:40:47.830388 I | etcdserver: election = 1000ms 2017-03-07 21:40:47.830401 I | etcdserver: snapshot count = 10000 2017-03-07 21:40:47.830435 I | etcdserver: advertise client URLs = http://192.168.6.129:2379 2017-03-07 21:40:47.830477 I | etcdserver: initial advertise peer URLs = http://192.168.6.129:2380 2017-03-07 21:40:47.830530 I | etcdserver: initial cluster = infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 2017-03-07 21:40:47.836392 I | etcdserver: starting member c1d267ff57ac5bcc in cluster 24d40765d97551b1 2017-03-07 21:40:47.836576 I | raft: c1d267ff57ac5bcc became follower at term 0 2017-03-07 21:40:47.836628 I | raft: newRaft c1d267ff57ac5bcc [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0] 2017-03-07 21:40:47.836646 I | raft: c1d267ff57ac5bcc became follower at term 1 2017-03-07 21:40:47.858347 I | etcdserver: starting server... [version: 2.2.1, cluster version: to_be_decided] 2017-03-07 21:40:47.858946 E | etcdmain: failed to notify systemd for readiness: No socket 2017-03-07 21:40:47.858966 E | etcdmain: forgot to set Type=notify in systemd service file? 2017-03-07 21:40:47.862192 I | rafthttp: the connection with 205e265f32ab88c4 became active 2017-03-07 21:40:47.862912 N | etcdserver: added member 205e265f32ab88c4 [http://192.168.6.128:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:47.863026 N | etcdserver: added member 277ba44edc63d7cd [http://192.168.6.130:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:47.863120 N | etcdserver: added local member c1d267ff57ac5bcc [http://192.168.6.129:2380] to cluster 24d40765d97551b1 2017-03-07 21:40:47.863461 E | rafthttp: failed to dial 277ba44edc63d7cd on stream Message (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:47.863503 E | rafthttp: failed to dial 277ba44edc63d7cd on stream MsgApp v2 (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:48.039642 I | raft: c1d267ff57ac5bcc is starting a new election at term 1 2017-03-07 21:40:48.039865 I | raft: c1d267ff57ac5bcc became candidate at term 2 2017-03-07 21:40:48.039891 I | raft: c1d267ff57ac5bcc received vote from c1d267ff57ac5bcc at term 2 2017-03-07 21:40:48.039921 I | raft: c1d267ff57ac5bcc [logterm: 1, index: 3] sent vote request to 277ba44edc63d7cd at term 2 2017-03-07 21:40:48.039946 I | raft: c1d267ff57ac5bcc [logterm: 1, index: 3] sent vote request to 205e265f32ab88c4 at term 2 2017-03-07 21:40:48.046572 E | rafthttp: failed to write 277ba44edc63d7cd on pipeline (dial tcp 192.168.6.130:2380: getsockopt: connection refused) 2017-03-07 21:40:48.153424 I | raft: c1d267ff57ac5bcc [term: 2] received a MsgVote message with higher term from 205e265f32ab88c4 [term: 12] 2017-03-07 21:40:48.153530 I | raft: c1d267ff57ac5bcc became follower at term 12 2017-03-07 21:40:48.153577 I | raft: c1d267ff57ac5bcc [logterm: 1, index: 3, vote: 0] voted for 205e265f32ab88c4 [logterm: 1, index: 3] at term 12 2017-03-07 21:40:48.163099 I | raft: raft.node: c1d267ff57ac5bcc elected leader 205e265f32ab88c4 at term 12 2017-03-07 21:40:48.181204 I | etcdserver: published {Name:infra1 ClientURLs:[http://192.168.6.129:2379]} to cluster 24d40765d97551b1 2017-03-07 21:40:48.184526 N | etcdserver: set the initial cluster version to 2.1 2017-03-07 21:41:01.448599 I | rafthttp: the connection with 277ba44edc63d7cd became active 2017-03-07 21:41:03.207866 N | etcdserver: updated the cluster version from 2.1 to 2.2
3）在 192.168.6.130 上执行：
./etcd --name infra2 --initial-advertise-peer-urls http://192.168.6.130:2380 \ --listen-peer-urls http://192.168.6.130:2380 \ --listen-client-urls http://192.168.6.130:2379,http://127.0.0.1:2379 \ --advertise-client-urls http://192.168.6.130:2379 \ --initial-cluster-token etcd-cluster-1 --initial-cluster infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 \ --initial-cluster-state new
返回信息：
2017-03-07 21:41:01.402423 I | etcdmain: etcd Version: 2.2.1 2017-03-07 21:41:01.402651 I | etcdmain: Git SHA: 75f8282 2017-03-07 21:41:01.402677 I | etcdmain: Go Version: go1.5.1 2017-03-07 21:41:01.402691 I | etcdmain: Go OS/Arch: linux/amd64 2017-03-07 21:41:01.402711 I | etcdmain: setting maximum number of CPUs to 1, total number of available CPUs is 1 2017-03-07 21:41:01.402736 W | etcdmain: no data-dir provided, using default data-dir ./infra2.etcd 2017-03-07 21:41:01.402972 I | etcdmain: listening for peers on http://192.168.6.130:2380 2017-03-07 21:41:01.403070 I | etcdmain: listening for client requests on http://127.0.0.1:2379 2017-03-07 21:41:01.403145 I | etcdmain: listening for client requests on http://192.168.6.130:2379 2017-03-07 21:41:01.408318 I | etcdserver: name = infra2 2017-03-07 21:41:01.408354 I | etcdserver: data dir = infra2.etcd 2017-03-07 21:41:01.408364 I | etcdserver: member dir = infra2.etcd/member 2017-03-07 21:41:01.408372 I | etcdserver: heartbeat = 100ms 2017-03-07 21:41:01.408379 I | etcdserver: election = 1000ms 2017-03-07 21:41:01.408386 I | etcdserver: snapshot count = 10000 2017-03-07 21:41:01.408422 I | etcdserver: advertise client URLs = http://192.168.6.130:2379 2017-03-07 21:41:01.408440 I | etcdserver: initial advertise peer URLs = http://192.168.6.130:2380 2017-03-07 21:41:01.408479 I | etcdserver: initial cluster = infra0=http://192.168.6.128:2380,infra1=http://192.168.6.129:2380,infra2=http://192.168.6.130:2380 2017-03-07 21:41:01.421508 I | etcdserver: starting member 277ba44edc63d7cd in cluster 24d40765d97551b1 2017-03-07 21:41:01.421628 I | raft: 277ba44edc63d7cd became follower at term 0 2017-03-07 21:41:01.421658 I | raft: newRaft 277ba44edc63d7cd [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0] 2017-03-07 21:41:01.421667 I | raft: 277ba44edc63d7cd became follower at term 1 2017-03-07 21:41:01.448333 I | etcdserver: starting server... [version: 2.2.1, cluster version: to_be_decided] 2017-03-07 21:41:01.448691 E | etcdmain: failed to notify systemd for readiness: No socket 2017-03-07 21:41:01.448707 E | etcdmain: forgot to set Type=notify in systemd service file? 2017-03-07 21:41:01.451690 I | rafthttp: the connection with 205e265f32ab88c4 became active 2017-03-07 21:41:01.454571 N | etcdserver: added member 205e265f32ab88c4 [http://192.168.6.128:2380] to cluster 24d40765d97551b1 2017-03-07 21:41:01.454801 N | etcdserver: added local member 277ba44edc63d7cd [http://192.168.6.130:2380] to cluster 24d40765d97551b1 2017-03-07 21:41:01.454895 N | etcdserver: added member c1d267ff57ac5bcc [http://192.168.6.129:2380] to cluster 24d40765d97551b1 2017-03-07 21:41:01.456262 I | rafthttp: the connection with c1d267ff57ac5bcc became active 2017-03-07 21:41:01.459542 I | raft: 277ba44edc63d7cd [term: 1] received a MsgHeartbeat message with higher term from 205e265f32ab88c4 [term: 12] 2017-03-07 21:41:01.460567 I | raft: 277ba44edc63d7cd became follower at term 12 2017-03-07 21:41:01.460593 I | raft: raft.node: 277ba44edc63d7cd elected leader 205e265f32ab88c4 at term 12 2017-03-07 21:41:01.502371 N | etcdserver: set the initial cluster version to 2.1 2017-03-07 21:41:01.506410 I | etcdserver: published {Name:infra2 ClientURLs:[http://192.168.6.130:2379]} to cluster 24d40765d97551b1 2017-03-07 21:41:03.214718 N | etcdserver: updated the cluster version from 2.1 to 2.2
4. 退出 tmux 后台模式
Ctrl + b 再按 d 键
附：tmux 帮助
1）查看存在的 session
# tmux ls
返回信息:
2）删除某个 session
# tmux kill-session -t $session_name
3）进入某个 session
# tmux attach -t $session_name
第五步：在初始化 k8s
1. 为 192.168.6.128 网卡增加 IP
# ip addr add 192.168.6.132 dev eno16777736
查看网卡：
2. 初始化
1）执行初始化命令
# kubeadm init --api-advertise-addresses=192.168.6.131 --external-etcd-endpoints=http://192.168.6.128:2379,http://192.168.6.129:2379,http://192.168.6.130:2379 --use-kubernetes-version v1.5.1
返回信息：
Flag –external-etcd-endpoints has been deprecated, this flag will be removed when componentconfig exists
[kubeadm] WARNING: kubeadmis in alpha, please do not use it for production clusters.
[preflight] Running pre–flight checks
[preflight] WARNING: kubelet serviceis not enabled, please run ‘systemctl enable kubelet.service‘ [preflight] Starting the kubelet service [init] Using Kubernetes version: v1.5.1
[tokens] Generated token:“e2e92d.d96382dcac25aa22“
[certificates] Generated Certificate Authority key and certificate.
[certificates] Generated API Server key and certificate
[certificates] Generated Service Account signing keys
[certificates] Created keys and certificatesin “/etc/kubernetes/pki“
[kubeconfig] Wrote KubeConfig file to disk:“/etc/kubernetes/kubelet.conf“
[kubeconfig] Wrote KubeConfig file to disk:“/etc/kubernetes/admin.conf“
[apiclient] Created API client, waitingfor the control plane to become ready
[apiclient] All control plane components are healthy after22.501928 seconds
[apiclient] Waitingfor at least one node to register and become ready
[apiclient] First nodeis ready after 0.509735 seconds
[apiclient] Creating a test deployment
[apiclient] Test deployment succeeded
[token-discovery] Created the kube-discovery deployment, waiting for it to become ready
[token-discovery] kube-discovery is ready after 3.503953 seconds
[addons] Created essential addon: kube–proxy
[addons] Created essential addon: kube–dns
Your Kubernetes master has initialized successfully!
You should now deploy a pod network to the cluster.
Run“kubectl apply -f [podnetwork].yaml“ with one of the options listed at:
http://kubernetes.io/docs/admin/addons/
You can now join any number of machines by running the following on each node:
kubeadm join–token=e2e92d.d96382dcac25aa22 192.168.6.131
其中，切记：kubeadm join –token=e2e92d.d96382dcac25aa22 192.168.6.131
2）添加 kubelet 服务
# systemctl enable kubelet.service
返回信息：
3）查看 nodes
# kubectl get nodes
返回信息：
4）查看 pods
# kubectl get pods --all-namespaces
返回信息：
3. 配置 192.168.6.129 的 k8s
1）停止 k8s 服务
# systemctl stop kubelet
2）将 192.168.6.128 上的 /etc/kubernetes 目录复制到 192.168.6.129 上
3）重启 k8s 服务
# systemctl start kubelet
3）查看 nodes
# kubectl get nodes
返回信息：
4）查看 pods
# kubectl get pods --all-namespaces
返回信息：
4. 在 192.168.6.130 上启动 k8s 服务，并加入集群
1）执行上述切记的脚本：
# kubeadm join --token=e2e92d.d96382dcac25aa22 192.168.6.131
返回信息：
2）查看 nodes
# kubectl get nodes
返回信息：
第六步：添加 calico
1. 修改 calico.yaml
找到 etcd_endpoints 字段，修改成应的 IP：
etcd_endpoints: "http://192.168.6.128:2379,http://192.168.6.129:2379,http://192.168.6.130:2379"
2. 在主节点（192.168.6.128）添加 calico.yaml
# kubectl apply -f calico.yaml
返回信息：
3. 在主节点（192.168.6.128）添加 busybox.yaml
# kubectl create -f busybox.yaml
返回信息：
4. 查看 pods
# kubectl get pods --all-namespaces
返回信息：
第七步：kubuctl 其他配置
1. 目前 deploy/kube-dns 只有主节点上有，需进行扩容 kube-dns
1）执行命令
# kubectl scale deploy/kube-dns --replicas=2 -n kube-system
返回信息：
2）查看 pods
# kubectl get pods --all-namespaces
返回信息：
2. 目前 deploy/kube-discovery 只有主节点上有，需进行扩容 kube-discovery
1）执行命令
# kubectl scale deploy/kube-discovery --replicas=2 -n kube-system
返回信息：
2）查看 pods
# kubectl get pods --all-namespaces
返回信息：
3. 给另一个主节点打主节点标签
1）在 192.168.6.129 执行
# kubectl label node 192-168-6-129.master kubeadm.alpha.kubernetes.io/role=master
返回信息：
2）重启 192.168.6.129 上的 docker 服务
# systemctl restart docker
3）查看 nodes
# kubectl get nodes
返回信息：
4. 设置主节点可调节度
即设置应用也能在主节点上运行。
# kubectl taint nodes --all dedicated-
返回信息：
此时，kubernetes 组件已成功添加完成！第一步：创建服务
1. 配置 nginx 的 yaml 文件
apiVersion: extensions/v1beta1 kind: Deployment metadata: name: my-nginx spec: replicas: 2 template: metadata: labels: run: my-nginx spec: containers: - name: my-nginx imagePullPolicy: IfNotPresent #默认拉取方式，先查本地是否存在 image: nginx:v1.1.1 ports: - containerPort: 80
2. 创建 nginx 服务
1）创建
# kubectl create -f run-my-nginx.yaml
返回信息：
2）查看 pods
# kubectl get pods --all-namespaces
返回信息：
附：删除 nginx 服务
# kubectl delete -f run-my-nginx.yaml
返回信息：
第二步：扩缩容
1. 扩容
1）由两个 nginx pod 扩到五个 pod
# kubectl scale --replicas=5 -f run-my-nginx.yaml
返回信息：
2）查看 pods
# kubectl get pods --all-namespaces
返回信息：
2. 缩容
1）由五个 nginx pod 缩到两个 pod
# kubectl scale --replicas=2 -f run-my-nginx.yaml
返回信息：
2）查看 pods
# kubectl get pods --all-namespaces
返回信息：
第三步：暴露端口
1. 暴露端口
# kubectl expose deployment my-nginx --target-port=80 --port=8081 --protocol=TCP --type=NodePort
返回信息：
2. 查看端口
1）查看容器的 IP
# kubectl get ep my-nginx
返回信息：
2）查看容器详细信息
# kubectl describe svc my-nginx
返回信息：
得知暴露在外面的端口为31838。
3. 测试
访问地址：http://192.168.6.132:31838/
返回页面：
Docker 的详细介绍：请点这里
Docker 的下载地址：请点这里
本文永久更新链接地址：http://www.linuxidc.com/Linux/2017-03/141592.htm
