10.k8s主控节点-controller-manager

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k8s主控节点-controller-manager

启动脚本

vi /opt/kubernetes/server/bin/kube-controller-manager.sh

#!/bin/sh
./kube-controller-manager \
  --allocate-node-cidrs true \ # 配合cluster-cidr一起作用
  --cluster-cidr 172.20.0.0/16 \
  --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

对于 kube-controller-manager，cluster-cidr 需要在 allocate-node-cidrs 参数设置为 true 时才能联合发挥作用，主要用于为没有设置 Spec.PodCIDR 的 Node 节点配置 PodCIDR 地址，这个属性在某些场景下能帮助节点完成网络相关的设置工作。

chmod +x /opt/kubernetes/server/bin/kube-controller-manager.sh
mkdir -p /data/logs/kubernetes/kube-controller-manager

supvisor启动controller-manager

vi /etc/supervisord.d/kube-conntroller-manager.ini

[program:kube-controller-manager-10.21]
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=22                                                                      ; 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)
stopasgroup=true
stopwaitsecs=10                                                                   ; max num secs to wait b4 SIGKILL (default 10)
user=root                                                                         ; setuid to this UNIX account to run the program
redirect_stderr=false                                                             ; redirect proc stderr to stdout (default false)
stdout_logfile=/data/logs/kubernetes/kube-controller-manager/controll.stdout.log  ; stdout 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)
stderr_logfile=/data/logs/kubernetes/kube-controller-manager/controll.stderr.log  ; stderr log path, NONE for none; default AUTO
stderr_logfile_maxbytes=64MB                                                      ; max # logfile bytes b4 rotation (default 50MB)
stderr_logfile_backups=4                                                          ; # of stderr logfile backups (default 10)
stderr_capture_maxbytes=1MB                                                       ; number of bytes in 'capturemode' (default 0)
stderr_events_enabled=false                                                       ; emit events on stderr writes (default false)

supervisorctl update
supervisorctl status

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