Controller Manager作为集群内部的管理控制中心，负责集群内的Node、Pod副本、服务端点（Endpoint）、命名空间（Namespace）、服务账号（ServiceAccount）、资源定额（ResourceQuota）的管理，当某个Node意外宕机时，Controller Manager会及时发现并执行自动化修复流程，确保集群始终处于预期的工作状态。

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

HDS7-21.host.com上

[root@hdss7-21 ~]# vim /usr/local/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 192.168.0.0/16 \
  --root-ca-file ./cert/ca.pem \
  --v 2

mkdir -p /data/logs/kubernetes/kube-controller-manager

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

启动配置

[root@hdss7-21 bin]# vim /etc/supervisord.d/kube-conntroller-manager.ini
[program:kube-controller-manager-7-21]
command=/usr/local/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=/usr/local/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 

root@hdss7-22 同样的配置这里改为22
[program:kube-controller-manager-7-22]