# yum install 的方式
yum install -y supervisor

# easy_install的方式
yum install -y python-setuptools
easy_install supervisor
echo_supervisord_conf >/etc/supervisord.conf

cd /etc/supervisord.d
mkdir conf log

vi /etc/supervisord.conf
...
[include]
files = supervisord.d/conf/*.conf
...

vi /etc/supervisord.conf
...
[supervisord]
logfile=/var/log/supervisor/supervisord.log  ; (main log file;default $CWD/supervisord.log)
logfile_maxbytes=50MB       ; (max main logfile bytes b4 rotation;default 50MB)
logfile_backups=10          ; (num of main logfile rotation backups;default 10)
loglevel=info               ; (log level;default info; others: debug,warn,trace)
pidfile=/var/run/supervisord.pid ; (supervisord pidfile;default supervisord.pid)
...

[program:confd]
directory = /usr/local/bin ; 程序的启动目录
command = /usr/local/bin/confd -config-file /etc/confd/confd.toml ; 启动命令，与命令行启动的命令是一样的
autostart = true     ; 在 supervisord 启动的时候也自动启动
startsecs = 5        ; 启动 5 秒后没有异常退出，就当作已经正常启动了
autorestart = true   ; 程序异常退出后自动重启
startretries = 3     ; 启动失败自动重试次数，默认是 3
user = root          ; 用哪个用户启动
redirect_stderr = true  ; 把 stderr 重定向到 stdout，默认 false
stdout_logfile_maxbytes = 20MB  ; stdout 日志文件大小，默认 50MB
stdout_logfile_backups = 20     ; stdout 日志文件备份数
; stdout 日志文件，需要注意当指定目录不存在时无法正常启动，所以需要手动创建目录（supervisord 会自动创建日志文件）
stdout_logfile = /etc/supervisord.d/log/confd.log  ;日志统一放在log目录下
; 可以通过 environment 来添加需要的环境变量，一种常见的用法是修改 PYTHONPATH
; environment=PYTHONPATH=$PYTHONPATH:/path/to/somewhere

# supervisord二进制启动
supervisord -c /etc/supervisord.conf
# 检查进程
ps aux | grep supervisord

#!/bin/sh
#
# /etc/rc.d/init.d/supervisord
#
# Supervisor is a client/server system that
# allows its users to monitor and control a
# number of processes on UNIX-like operating
# systems.
#
# chkconfig: - 64 36
# description: Supervisor Server
# processname: supervisord

# Source init functions
. /etc/rc.d/init.d/functions

prog="supervisord"

prefix="/usr"
exec_prefix="${prefix}"
prog_bin="${exec_prefix}/bin/supervisord"
PIDFILE="/var/run/$prog.pid"

start()
{
       echo -n $"Starting $prog: "
       daemon $prog_bin --pidfile $PIDFILE -c /etc/supervisord.conf
       [ -f $PIDFILE ] && success $"$prog startup" || failure $"$prog startup"
       echo
}

stop()
{
       echo -n $"Shutting down $prog: "
       [ -f $PIDFILE ] && killproc $prog || success $"$prog shutdown"
       echo
}

case "$1" in

 start)
   start
 ;;

 stop)
   stop
 ;;

 status)
       status $prog
 ;;

 restart)
   stop
   start
 ;;

 *)
   echo "Usage: $0 {start|stop|restart|status}"
 ;;

esac

sudo chmod +x /etc/rc.d/init.d/supervisord
sudo chkconfig --add supervisord
sudo chkconfig supervisord on
sudo service supervisord start

$ supervisorctl --help
supervisorctl -- control applications run by supervisord from the cmd line.

Usage: /usr/bin/supervisorctl [options] [action [arguments]]

Options:
-c/--configuration -- configuration file path (default /etc/supervisord.conf)
-h/--help -- print usage message and exit
-i/--interactive -- start an interactive shell after executing commands
-s/--serverurl URL -- URL on which supervisord server is listening
     (default "http://localhost:9001").
-u/--username -- username to use for authentication with server
-p/--password -- password to use for authentication with server
-r/--history-file -- keep a readline history (if readline is available)

action [arguments] -- see below

Actions are commands like "tail" or "stop".  If -i is specified or no action is
specified on the command line, a "shell" interpreting actions typed
interactively is started.  Use the action "help" to find out about available
actions.

# supervisorctl status
confd                            RUNNING   pid 31256, uptime 0:11:24
twemproxy                        RUNNING   pid 31255, uptime 0:11:24

$ supervisord --help
supervisord -- run a set of applications as daemons.

Usage: /usr/bin/supervisord [options]

Options:
-c/--configuration FILENAME -- configuration file
-n/--nodaemon -- run in the foreground (same as 'nodaemon true' in config file)
-h/--help -- print this usage message and exit
-v/--version -- print supervisord version number and exit
-u/--user USER -- run supervisord as this user (or numeric uid)
-m/--umask UMASK -- use this umask for daemon subprocess (default is 022)
-d/--directory DIRECTORY -- directory to chdir to when daemonized
-l/--logfile FILENAME -- use FILENAME as logfile path
-y/--logfile_maxbytes BYTES -- use BYTES to limit the max size of logfile
-z/--logfile_backups NUM -- number of backups to keep when max bytes reached
-e/--loglevel LEVEL -- use LEVEL as log level (debug,info,warn,error,critical)
-j/--pidfile FILENAME -- write a pid file for the daemon process to FILENAME
-i/--identifier STR -- identifier used for this instance of supervisord
-q/--childlogdir DIRECTORY -- the log directory for child process logs
-k/--nocleanup --  prevent the process from performing cleanup (removal of
                   old automatic child log files) at startup.
-a/--minfds NUM -- the minimum number of file descriptors for start success
-t/--strip_ansi -- strip ansi escape codes from process output
--minprocs NUM  -- the minimum number of processes available for start success
--profile_options OPTIONS -- run supervisord under profiler and output
                             results based on OPTIONS, which  is a comma-sep'd
                             list of 'cumulative', 'calls', and/or 'callers',
                             e.g. 'cumulative,callers')

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

; Sample supervisor config file.

[unix_http_server]
file=/var/run/supervisor/supervisor.sock   ; (the path to the socket file)
;chmod=0700                 ; sockef 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/supervisor/supervisord.log  ; (main log file;default $CWD/supervisord.log)
logfile_maxbytes=50MB       ; (max main logfile bytes b4 rotation;default 50MB)
logfile_backups=10          ; (num of main logfile rotation backups;default 10)
loglevel=info               ; (log level;default info; others: debug,warn,trace)
pidfile=/var/run/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 below 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: sections
[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[supervisorctl]
serverurl=unix:///var/run/supervisor/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 http_username if set
;password=123                ; should be same as http_password if set
;prompt=mysupervisor         ; cmd line prompt (default "supervisor")
;history_file=~/.sc_history  ; use readline history if available

; The below sample program section 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)
;autorestart=true              ; retstart at unexpected quit (default: true)
;startsecs=10                  ; 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=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 (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 (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 below sample eventlistener section shows all possible
; eventlistener subsection values, create one or more 'real'
; eventlistener: sections to be able to handle event notifications
; sent by supervisor.

;[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)
;autorestart=unexpected        ; restart at unexpected quit (default: unexpected)
;startsecs=10                  ; 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=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 (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        ; # of stderr logfile backups (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 below sample group section 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/conf/*.conf