centos8安装supervisor进程管理工具,监控nginx,mysql,php-fpm

1 - 安装epel-releas源
su root
yum install epel-releas

2 - 安装 supervisor (只支持python2)
yum install -y supervisor
systemctl enable supervisord
systemctl start supervisord
systemctl status supervisord
ps -ef|grep supervisord

3 - 生成配置文件

echo_supervisord_conf > /etc/supervisord.con

4 - 修改配置文件

vi /etc/supervisord.conf, 修改蓝色的部分

; Sample supervisor config file.
;
; For more information on the config file, please see:
; http://supervisord.org/configuration.html
;
; Notes:
; - Shell expansion ("~" or “$HOME”) is not supported. Environment
; variables can be expanded using this syntax: “%(ENV_HOME)s”.
; - Quotes around values are not supported, except in the case of
; the environment= options as shown below.
; - Comments must have a leading space: “a=b ;comment” not “a=b;comment”.
; - Command will be truncated if it looks like a config file comment, e.g.
; “command=bash -c ‘foo ; bar’” will truncate to "command=bash -c 'foo ".

[unix_http_server]
file=/tmp/supervisor.sock ; the path to the socket file
;chmod=0700 ; socket file mode (default 0700)
;chown=nobody:nogroup ; socket file uid:gid owner
;username=user ; default is no username (open server)
;password=123 ; default is no password (open server)

[inet_http_server] ; inet (TCP) server disabled by default
port=127.0.0.1:9001 ; ip_address:port specifier, *:port for all iface
username=user ; default is no username (open server)
password=123 ; default is no password (open server)

[supervisord]
logfile=/var/log/supervisord.log ; main log file; default $CWD/supervisord.log
logfile_maxbytes=50MB ; max main logfile bytes b4 rotation; default 50MB
logfile_backups=10 ; # of main logfile backups; 0 means none, default 10
loglevel=info ; log level; default info; others: debug,warn,trace
pidfile=/tmp/supervisord.pid ; supervisord pidfile; default supervisord.pid
nodaemon=false ; start in foreground if true; default false
minfds=1024 ; min. avail startup file descriptors; default 1024
minprocs=200 ; min. avail process descriptors;default 200
;umask=022 ; process file creation umask; default 022
;user=chrism ; default is current user, required if root
;identifier=supervisor ; supervisord identifier, default is ‘supervisor’
;directory=/tmp ; default is not to cd during start
;nocleanup=true ; don’t clean up tempfiles at start; default false
;childlogdir=/tmp ; ‘AUTO’ child log dir, default $TEMP
;environment=KEY=“value” ; key value pairs to add to environment
;strip_ansi=false ; strip ansi escape codes in logs; def. false

; The rpcinterface:supervisor section must remain in the config file for
; RPC (supervisorctl/web interface) to work. Additional interfaces may be
; added by defining them in separate [rpcinterface:x] sections.

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[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

; The supervisorctl section configures how supervisorctl will connect to
; supervisord. configure it match the settings in either the unix_http_server
; or inet_http_server section.

[supervisorctl]
serverurl=unix:///tmp/supervisor.sock ; use a unix:// URL for a unix socket
;serverurl=http://127.0.0.1:9001 ; use an http:// url to specify an inet socket
;username=chris ; should be same as in [_http_server] if set
;password=123 ; should be same as in [_http_server] if set
;prompt=mysupervisor ; cmd line prompt (default “supervisor”)
;history_file=~/.sc_history ; use readline history if available

; The sample program section below shows all possible program subsection values.
; Create one or more ‘real’ program: sections to be able to control them under
; supervisor.

;[program:theprogramname]
;command=/bin/cat ; the program (relative uses PATH, can take args)
;process_name=%(program_name)s ; process_name expr (default %(program_name)s)
;numprocs=1 ; number of processes copies to start (def 1)
;directory=/tmp ; directory to cwd to before exec (def no cwd)
;umask=022 ; umask for process (default None)
;priority=999 ; the relative start priority (default 999)
;autostart=true ; start at supervisord start (default: true)
;startsecs=1 ; # of secs prog must stay up to be running (def. 1)
;startretries=3 ; max # of serial start failures when starting (default 3)
;autorestart=unexpected ; when to restart if exited after running (def: unexpected)
;exitcodes=0,2 ; ‘expected’ exit codes used with autorestart (default 0,2)
;stopsignal=QUIT ; signal used to kill process (default TERM)
;stopwaitsecs=10 ; max num secs to wait b4 SIGKILL (default 10)
;stopasgroup=false ; send stop signal to the UNIX process group (default false)
;killasgroup=false ; SIGKILL the UNIX process group (def false)
;user=chrism ; setuid to this UNIX account to run the program
;redirect_stderr=true ; redirect proc stderr to stdout (default false)
;stdout_logfile=/a/path ; stdout log path, NONE for none; default AUTO
;stdout_logfile_maxbytes=1MB ; max # logfile bytes b4 rotation (default 50MB)
;stdout_logfile_backups=10 ; # of stdout logfile backups (0 means none, 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=/a/path ; stderr log path, NONE for none; default AUTO
;stderr_logfile_maxbytes=1MB ; max # logfile bytes b4 rotation (default 50MB)
;stderr_logfile_backups=10 ; # of stderr logfile backups (0 means none, default 10)
;stderr_capture_maxbytes=1MB ; number of bytes in ‘capturemode’ (default 0)
;stderr_events_enabled=false ; emit events on stderr writes (default false)
;environment=A=“1”,B=“2” ; process environment additions (def no adds)
;serverurl=AUTO ; override serverurl computation (childutils)

; The sample eventlistener section below shows all possible eventlistener
; subsection values. Create one or more ‘real’ eventlistener: sections to be
; able to handle event notifications sent by supervisord.

;[eventlistener:theeventlistenername]
;command=/bin/eventlistener ; the program (relative uses PATH, can take args)
;process_name=%(program_name)s ; process_name expr (default %(program_name)s)
;numprocs=1 ; number of processes copies to start (def 1)
;events=EVENT ; event notif. types to subscribe to (req’d)
;buffer_size=10 ; event buffer queue size (default 10)
;directory=/tmp ; directory to cwd to before exec (def no cwd)
;umask=022 ; umask for process (default None)
;priority=-1 ; the relative start priority (default -1)
;autostart=true ; start at supervisord start (default: true)
;startsecs=1 ; # of secs prog must stay up to be running (def. 1)
;startretries=3 ; max # of serial start failures when starting (default 3)
;autorestart=unexpected ; autorestart if exited after running (def: unexpected)
;exitcodes=0,2 ; ‘expected’ exit codes used with autorestart (default 0,2)
;stopsignal=QUIT ; signal used to kill process (default TERM)
;stopwaitsecs=10 ; max num secs to wait b4 SIGKILL (default 10)
;stopasgroup=false ; send stop signal to the UNIX process group (default false)
;killasgroup=false ; SIGKILL the UNIX process group (def false)
;user=chrism ; setuid to this UNIX account to run the program
;redirect_stderr=false ; redirect_stderr=true is not allowed for eventlisteners
;stdout_logfile=/a/path ; stdout log path, NONE for none; default AUTO
;stdout_logfile_maxbytes=1MB ; max # logfile bytes b4 rotation (default 50MB)
;stdout_logfile_backups=10 ; # of stdout logfile backups (0 means none, default 10)
;stdout_events_enabled=false ; emit events on stdout writes (default false)
;stderr_logfile=/a/path ; stderr log path, NONE for none; default AUTO
;stderr_logfile_maxbytes=1MB ; max # logfile bytes b4 rotation (default 50MB)
;stderr_logfile_backups=10 ; # of stderr logfile backups (0 means none, default 10)
;stderr_events_enabled=false ; emit events on stderr writes (default false)
;environment=A=“1”,B=“2” ; process environment additions
;serverurl=AUTO ; override serverurl computation (childutils)

; The sample group section below shows all possible group values. Create one
; or more ‘real’ group: sections to create “heterogeneous” process groups.

;[group:thegroupname]
;programs=progname1,progname2 ; each refers to ‘x’ in [program:x] definitions
;priority=999 ; the relative start priority (default 999)

; The [include] section can just contain the “files” setting. This
; setting can list multiple files (separated by whitespace or
; newlines). It can also contain wildcards. The filenames are
; interpreted as relative to this file. Included files cannot
; include files themselves.

[include]
files = supervisord.d/*.ini

5 - 配置启动文件

vi /etc/rc.d/init.d/supervisord，写入配置

#!/bin/bash

supervisord This scripts turns supervisord on

chkconfig: – 95 04

description: supervisor is a process control utility. It has a web based

xmlrpc interface as well as a few other nifty features.

processname: supervisord

config: /etc/supervisord.conf

pidfile: /var/run/supervisord.pid

source function library

. /etc/rc.d/init.d/functions

RETVAL=0

start() {
echo -n $”Startingsupervisord:”daemonsupervisordRETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/supervisord
}

stop() {
echo -n $”Stopping supervisord: ”
killproc supervisord
echo
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/supervisord
}

restart() {
stop
start
}

case “KaTeX parse error: Expected 'EOF', got '&' at position 126: …/supervisord ] &̲& restart ;; st…?
;;
*)
echo $”Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}”
exit 1
esac

exit $RETVAL
版本2（20200311可用）

#!/bin/bash

supervisord This scripts turns supervisord on

Author: Mike McGrath [email protected] (based off yumupdatesd)

chkconfig: - 95 04

description: supervisor is a process control utility. It has a web based

xmlrpc interface as well as a few other nifty features.

processname: supervisord

config: /etc/supervisord.conf

pidfile: /var/run/supervisord.pid

source function library

. /etc/rc.d/init.d/functions

RETVAL=0

start() {
echo -n $"Startingsupervisord:"daemonsupervisordRETVAL=$?
echo
[ $RETVAL -eq 0 ] && touch /var/lock/subsys/supervisord
}

stop() {
echo -n $"Stopping supervisord: "
killproc supervisord
echo
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/supervisord
}

restart() {
stop
start
}

case "KaTeX parse error: Expected 'EOF', got '&' at position 163: …/supervisord ] &̲& restart ;…?
;;
*)
echo $“Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}”
exit 1
esac

exit $RETVAL
保存退出后修改权限为可执行

chmod 755 /etc/rc.d/init.d/supervisord

6 - 启动supervisor

service supervisord start

设置开机启动 chkconfig supervisord on

7 - 编写 nginx.ini脚本

mkdir /etc/supervisord.d

vi /etc/supervisord.d/nginx.ini

[program:nginx]
command=/usr/local/nginx/sbin/nginx -g ‘daemon off;’
autostart=true
autorestart=true
user=root
numprocs=1
stdout_logfile=/var/log/supervisor-nginx.log

重启service supervisord restart

或者重新载入 service supervisord reload

查看进程 pstree

8 - 编写 mysql.ini脚本

注：command=/path/to/pidproxy /path/to/pidfile /path/to/mysqld_safe

vi /etc/supervisord.d/mysql.ini

[program:mysql]
command=/usr/bin/pidproxy /home/www/mysqldata/mysqld_safe.pid /usr/local/mysql/bin/mysqld_safe
autostart=true
autorestart=true
user=root
numprocs=1
stdout_logfile=/var/log/supervisor-mysql.log

重启service supervisord restart

或者重新载入 service supervisord reload

查看进程 pstree

9 - 编写 php-fpm.ini脚本

注：command=/path/to/pidproxy /path/to/pidfile /path/to/mysqld_safe

vi /etc/supervisord.d/php-fpm.ini

[program:php-fpm]
command=/usr/local/php/sbin/php-fpm --nodaemonize
autostart=true
autorestart=true
user=root
numprocs=1
stdout_logfile=/var/log/supervisor-php-fpm.log

重启service supervisord restart

或者重新载入 service supervisord reload

查看进程 pstree

记得把lnmp开机启动关闭

[root@localhost ~]# chkconfig nginx off
[root@localhost ~]# chkconfig mysql off
[root@localhost ~]# chkconfig php-fpm off

用supervisor开机启动nginx mysql,php-fpm

10 - 查看supervisor日志

当日志文件没自动生成的话，可以手动创建 touch /var/log/supervisord.log

tail -f /var/log/supervisord.log