集群规划

主机名                角色                ip
HDS7-21.host.com controller-manager 10.4.7.21
HDS7-22.host.com controller-manager 10.4.7.22

注意:这里部署文档以HDS7-21.host.com主机为例,另外一台运算节点安装部署方法类似

创建启动脚本: – 直接上传

HDS7-21.host.com上

# 创建kube-controller-manager启动脚本
[root@hdss7-21 ~]# vi /opt/kubernetes/server/bin/kube-controller-manager.sh
#!/bin/sh
./kube-controller-manager \
--cluster-cidr 172.7.0.0/16 \
--leader-elect true \
--log-dir /data/logs/kubernetes/kube-controller-manager \
--master http://127.0.0.1:8080 \
--service-account-private-key-file ./cert/ca-key.pem \
--service-cluster-ip-range 10.254.0.0/16 \
--root-ca-file ./cert/ca.pem \
--v 2

[root@hdss7-21 ~]# mkdir -p /data/logs/kubernetes/kube-controller-manager

[root@hdss7-21 ~]# chmod +x /opt/kubernetes/server/bin/kube-controller-manager.sh

[root@hdss7-21 ~]# vi /etc/supervisord.d/kube-controller-manager.ini
[program:kube-controller-manager-7-21]
command=/opt/kubernetes/server/bin/kube-controller-manager.sh ; the program (relative uses PATH, can take args)
numprocs=1 ; number of processes copies to start (def 1)
directory=/opt/kubernetes/server/bin ; directory to cwd to before exec (def no cwd)
autostart=true ; start at supervisord start (default: true)
autorestart=true ; retstart at unexpected quit (default: true)
startsecs=30 ; number of secs prog must stay running (def. 1)
startretries=3 ; max # of serial start failures (default 3)
exitcodes=0,2 ; 'expected' exit codes for process (default 0,2)
stopsignal=QUIT ; signal used to kill process (default TERM)
stopwaitsecs=10 ; max num secs to wait b4 SIGKILL (default 10)
user=root ; setuid to this UNIX account to run the program
redirect_stderr=true ; redirect proc stderr to stdout (default false)
stdout_logfile=/data/logs/kubernetes/kube-controller-manager/controller.stdout.log ; stderr log path, NONE for none; default AUTO
stdout_logfile_maxbytes=64MB ; max # logfile bytes b4 rotation (default 50MB)
stdout_logfile_backups=4 ; # of stdout logfile backups (default 10)
stdout_capture_maxbytes=1MB ; number of bytes in 'capturemode' (default 0)
stdout_events_enabled=false ; emit events on stdout writes (default false)

[root@hdss7-22 supervisord.d]# supervisorctl update
kube-controller-manager-7-22: added process group

[root@hdss7-22 supervisord.d]# supervisorctl status
etcd-server-7-22 RUNNING pid 30474, uptime 17:25:13
kube-apiserver-7-22 RUNNING pid 30473, uptime 17:25:13
kube-controller-manager-7-22 RUNNING pid 32962, uptime 0:00:31

安装kube-scheduler

# 创建kube-scheduler启动脚本
[root@hdss7-21 ~]# vi /opt/kubernetes/server/bin/kube-scheduler.sh
#!/bin/sh
./kube-scheduler \
--leader-elect \
--log-dir /data/logs/kubernetes/kube-scheduler \
--master http://127.0.0.1:8080 \
--v 2
[root@hdss7-21 ~]# vi /etc/supervisord.d/kube-scheduler.ini
[program:kube-scheduler-7-21]
command=/opt/kubernetes/server/bin/kube-scheduler.sh ; the program (relative uses PATH, can take args)
numprocs=1 ; number of processes copies to start (def 1)
directory=/opt/kubernetes/server/bin ; directory to cwd to before exec (def no cwd)
autostart=true ; start at supervisord start (default: true)
autorestart=true ; retstart at unexpected quit (default: true)
startsecs=30 ; number of secs prog must stay running (def. 1)
startretries=3 ; max # of serial start failures (default 3)
exitcodes=0,2 ; 'expected' exit codes for process (default 0,2)
stopsignal=QUIT ; signal used to kill process (default TERM)
stopwaitsecs=10 ; max num secs to wait b4 SIGKILL (default 10)
user=root ; setuid to this UNIX account to run the program
redirect_stderr=true ; redirect proc stderr to stdout (default false)
stdout_logfile=/data/logs/kubernetes/kube-scheduler/scheduler.stdout.log ; stderr log path, NONE for none; default AUTO
stdout_logfile_maxbytes=64MB ; max # logfile bytes b4 rotation (default 50MB)
stdout_logfile_backups=4 ; # of stdout logfile backups (default 10)
stdout_capture_maxbytes=1MB ; number of bytes in 'capturemode' (default 0)
stdout_events_enabled=false ; emit events on stdout writes (default false)


[root@hdss7-22 bin]# chmod +x /opt/kubernetes/server/bin/kube-scheduler.sh
[root@hdss7-22 bin]# mkdir -p /data/logs/kubernetes/kube-scheduler



[root@hdss7-22 ~]# supervisorctl update
[root@hdss7-22]# supervisorctl status
etcd-server-7-21 RUNNING pid 27300, uptime 18:45:03
kube-apiserver-7-21 RUNNING pid 27301, uptime 18:45:03
kube-controller-manager-7-21 RUNNING pid 79809, uptime 1:24:14
kube-scheduler-7-21 RUNNING pid 81360, uptime 0:54:28

检测健康状态

[root@hdss7-21 bin]# ln -s /opt/kubernetes/server/bin/kubectl /usr/bin/kubectl
[root@hdss7-21 bin]# which kubectl
/usr/bin/kubectl

[root@hdss7-21 bin]# kubectl get cs
NAME STATUS MESSAGE ERROR
scheduler Healthy ok
controller-manager Healthy ok
etcd-2 Healthy {"health": "true"}
etcd-0 Healthy {"health": "true"}
etcd-1 Healthy {"health": "true"}