利用shell開發sentinel的啟停指令碼

[root@node21 ~]
# tree -p /data/sentinel/26379/
/data/sentinel/26379/
├── [drwxr-xr-x]  conf        <=
= 存放sentinel的配置檔案
├── [drwxr-xr-x]  logs        <=
= 存放sentinel的日誌檔案
├── [drwxr-xr-x]  run         <=
= 存放sentinel的pid檔案，前提是sentinel的配置檔案中配置了pidfile引數
└── [drwxr-xr-x]  script      <=
= 存放sentinel的啟停指令碼
4 directories, 0 files

#### 啟動方式 redis-server path/sentinel.conf --sentinel # 配置檔案中要配置daemonize的值為yes redis-server path/sentinel.conf --sentinel & # 不用管配置檔案中daemonize是否等於yes redis-sentinel path/sentinel.conf # 配置檔案中要配置daemonize的值為yes redis-sentinel path/sentinel.conf & # 不用管配置檔案中daemonize是否等於yes #### 停止方式 redis-cli -h 《可連線的ip> -p 6379 shutdown # 不需要認證,配置檔案中也沒提供認證的引數

sentinel在連線時不需要認證(配置檔案沒提供相關引數),但可以對相關命令做別名,例如shutdown

建立 /data/sentinel/26379/script/sentineld 檔案，將以下內容放在裡面，修改許可權700，屬主/組redis

#!/bin/bash
## sentinel start stop scripts
## define variables
ip="172.16.1.21"
port=
"26379"
exec=
conf=
"/data/sentinel/$port/conf/sentinel.conf"
pid=
"/data/sentinel/$port/run/sentinel.pid"
cliexec=
# load functions
[ -f /etc/init.d/functions ]
&&source /etc/init.d/functions
# define functions
start(
)stop(
)status(
)# case call functions
case
"$1"
in    start)
start
retval=$?;
;    stop)
stop
retval=$?;
;    restart)
stop
sleep 2
start
retval=$?;
;    status)
status
retval=$?;
;    *)
echo
"usage:$0"
exit 1
esac

#### 指令碼可執行的選項
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld
usage:/data/sentinel/26379/script/sentineld
#### 檢視其sentinel的狀態
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld status
sentinel[26379] is not running
#### 啟動sentinel並檢視其狀態
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld start
start sentinel[26379]
service
[  確定  ]
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld status
sentinel[26379] is running
[redis@node21 ~]$
[redis@node21 ~]$ ps -ef|
grep sentinel
redis    23064 23017  0 00:07 pts/0    00:00:00 grep --color=auto sentinel
#### 停止sentinel並檢視其狀態
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld stop
stop sentinel[26379]
service
[  確定  ]
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld status
sentinel[26379] is not running
[redis@node21 ~]$
[redis@node21 ~]$ ps -ef|
grep sentinel
redis    23074 23017  0 00:07 pts/0    00:00:00 grep --color=auto sentinel
#### 重啟sentinel並檢視其狀態
[redis@node21 ~]$
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld restart
sentinel[26379] is not running
start sentinel[26379]
service
[  確定  ]
[redis@node21 ~]$ 
[redis@node21 ~]$ /data/sentinel/26379/script/sentineld status
sentinel[26379] is running
[redis@node21 ~]$ 
[redis@node21 ~]$ ps -ef|
grep sentinel
redis    23086 23017  0 00:10 pts/0    00:00:00 grep --color=auto sentinel

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