Supervisord是用Python實現的一款非常實用的進程管理工具
這裏用源碼
supervisor-3.1.3.tar.gz tar -zxvf supervisor-3.1.3.tar.gz cd supervisor-3.1.3 sudo python setup.py install
echo_supervisord_conf > /etc/supervisord.conf
如需允許web界面和命令行訪問,修改inet_http_server配置
[inet_http_server] port=*:9001 ;這裏*表示可以讓其他終端訪問supervisor web界面 username=username ; 用戶名 password=password ; 密碼
未知 具體功能,需修復
[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
修改進程
[program:test_http] command=python test_http.py 501 ; 被監控的進程路徑 directory=/home/admin/soft/supervisor-3.1.3 ; 執行前要不要先cd到目錄去,一般不用 priority=1 ;數字越高,優先級越高 numprocs=1 ; 啓動幾個進程 autostart=true ; 隨着supervisord的啓動而啓動 autorestart=true ; 自動重啓。。當然要選上了 startretries=10 ; 啓動失敗時的最多重試次數 exitcodes=0 ; 正常退出代碼(是說退出代碼是這個時就不再重啓了嗎?待確定) stopsignal=KILL ; 用來殺死進程的信號 stopwaitsecs=10 ; 發送SIGKILL前的等待時間 redirect_stderr=true ; 重定向stderr到stdout
stdout_logfile=/home/jihite/log/supervisor.log
這裏test_http.py 位於directory(/home/admin/soft/supervisor-3.1.3)目錄下
test_http.py
import sys import BaseHTTPServer from SimpleHTTPServer import SimpleHTTPRequestHandler HandlerClass = SimpleHTTPRequestHandler ServerClass = BaseHTTPServer.HTTPServer Protocol = "HTTP/1.0" if __name__ == "__main__": if sys.argv[1:]: port = int(sys.argv[1]) else: port = 8000 server_address = ('10.125.24.105', port) HandlerClass.protocol_version = Protocol httpd = ServerClass(server_address, HandlerClass) sa = httpd.socket.getsockname() print "Serving HTTP on", sa[0], "port", sa[1], "..." httpd.serve_forever()
sudo supervisord -c /etc/supervisord.conf
命令管理
sudo supervisorctl status: 查看當前運行的進程列表 stop xxx: 停止某一個進程(xxx),xxx爲[program:theprogramname]裏配置的值。 start xxx: 啓動某個進程 restart xxx: 重啓某個進程 stop groupworker: 重啓所有屬於名爲groupworker這個分組的進程(start,restart同理) stop all,停止全部進程,注:start、restart、stop都不會載入最新的配置文件。
重新加載配置文件
sudo supervisorctl -c /etc/supervisord.conf
通常使用時
supervisorctl status #查看當前進程狀態
supervisorctl start/restart... xxx #執行操作
界面管理
1. Error: Another program is already listening on a port that one of our HTTP servers is configured to use. Shut this program down first before starting supervisord.
For help, use /home/admin/idcp-check/virtualenv/bin/supervisord -h
解決:(參考)
sudo unlink /tmp/supervisor.sock
or sudo unlink /var/run/supervisor.sock
2. 啓動不起來
$sudo supervisorctl
create_roadnet_tasks3 FATAL Exited too quickly (process log may have details)
解決:(參考)
Check if supervisor startsecs=0 #被監控程序啓動時持續時間
3. 啓動不起來,日誌提示不能用root用戶啓動
Running a worker with superuser privileges when the
worker accepts messages serialized with pickle is a very bad idea!
If you really want to continue then you have to set the C_FORCE_ROOT
environment variable (but please think about this before you do).
解決
from celery import Celery, platforms app = Celery('tasks', broker='amqp://myuser: [email protected] :5672/vhost') platforms.C_FORCE_ROOT = True #加上這一行
@app.task def add(x, y): return x + y