Controller Manager簡介
詳細介紹請參考鏈接：Kubernetes組件之kube-controller-manager
Controller Manager作為集群內部的管理控制中心，負責集群內的Node、Pod副本、服務端點（Endpoint）、命名空間（Namespace）、服務賬號（ServiceAccount）、資源定額（ResourceQuota）的管理，當某個Node意外宕機時，Controller Manager會及時發現並執行自動化修復流程，確保集群始終處於預期的工作狀態。
每個Controller通過API Server提供的接口實時監控整個集群的每個資源對象的當前狀態，當發生各種故障導致系統狀態發生變化時，會嘗試將系統狀態修復到“期望狀態”。
1 hdss7-21安裝controller managet
[root@hdss7-21 conf]# 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 192.168.0.0/16 \ --root-ca-file ./cert/ca.pem \ --v 2 [root@hdss7-21 conf]# vi /etc/supervisord.d/kube-conntroller-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@hdss7-21 conf]# chmod +x /opt/kubernetes/server/bin/kube-controller-manager.sh [root@hdss7-21 conf]# mkdir -p /data/logs/kubernetes/kube-controller-manager [root@hdss7-21 conf]# supervisorctl status etcd-server-7-21 RUNNING pid 2753, uptime 1:57:06 kube-apiserver-7-21 RUNNING pid 2873, uptime 1:04:39 kube-controller-manager-7-21 RUNNING pid 2987, uptime 0:02:06 [root@hdss7-21 conf]#
2.hdss7-22安裝controller managet
[root@hdss7-22 conf]# cat /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 192.168.0.0/16 \ --root-ca-file ./cert/ca.pem \ --v 2 [root@hdss7-22 conf]# chmod +x /opt/kubernetes/server/bin/kube-controller-manager.sh [root@hdss7-22 conf]# mkdir -p /data/logs/kubernetes/kube-controller-manager [root@hdss7-22 conf]# cat /etc/supervisord.d/kube-conntroller-manager.ini [program:kube-controller-manager-7-22] 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 conf]# supervisorctl update [root@hdss7-22 conf]# supervisorctl status
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