Контроль и мониторинг Linux процессов для Рython разработчиков

1. Monitoring for Web
Applications
Контроль и мониторинг Linux процессов
для Рython разработчиков

3. •sudo apt-get install nginx
•ls /etc/init.d/nginx
•sudo service nginx restart
•sudo apt-get install mongodb-10gen
•ls /etc/init.d/mongodb
•sudo service mongodb status
•ls /etc/mongodb.conf
•sudo apt-get install rabbitmq-server
•ls /etc/init.d/rabbitmq-server
•service rabbitmq-server status

4. Monitoring system which just works

5. •sudo apt-get install monit
•ls /etc/init.d/monit
•service monit status
•cat sudo cat /etc/monit/monitrc
1.set daemon 120 # check services at 2-minute intervals
2.set logfile /var/log/monit.log
1.check process nginx with pidfile /var/run/nginx.pid
2. start program = "/etc/init.d/nginx start"
3. stop program = "/etc/init.d/nginx stop"
4. if failed port 80 protocol http then alert
5. if cpu usage is greater than 60 percent for 2 cycles
6. then alert
7. if cpu usage > 98% for 5 cycles then restart
8. if 2 restarts within 3 cycles then timeout
9. alert admin@bar.com
Installation & Configuration

6. Monit Web Server

7. MongoDB process detail

8. •/home/user/venv/bin/pip install tornado
•ls venv/lib/python2.7/site-packages/tornado
•venv/bin/python my_web_project/app.py
•/home/user/venv/bin/pip install celery
•ls venv/lib/python2.7/site-packages/celery
•venv/bin/celery worker -A myproject.tasks --
config=myproject.celeryconfig
Virtualev based Python stack

9. A process control system
•supervisord
•supervisorctl
•Web Server
•XML RPC Interface
•/home/user/venv/bin/pip install supervisor
•ls venv/lib/python2.7/site-packages/supervisor
•/venv/bin/echo_supervisord_conf > supervisord.conf
•venv/bin/supervisord -c supervisord.conf
•venv/bin/supervisorctl -c supervisord.conf shutdown

10. Supervisor Web Interface

11. Configuring Supervisor

12. Celery supervisor config

13. Plugin source code