Montreal On Rails 5 : Rails deployment using : Nginx, Mongrel, Mongrel_cluster, Seesaw, Monit

[email_address] Montr eal On Rails, December 2007

[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Performance Scalability Availability Flexibility Manageability Compliance to standards

[object Object],[object Object],… slow, not scalable Generally used only for development mode … or for very very small and simple application # cd /path/myapp # ruby script/server --port 80

[object Object],[object Object],[object Object]

[object Object],# gem install mongrel # mongrel_rails restart | stop # mongrel_rails start -d -e production --port 80 ,[object Object],# cd myapp

[object Object],database Mongrel <80> Network

Mongrel <8001> Network Font-end server Dynamic requests Static files File system database

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

# export NGINX=0.6.17 # cd /usr/local/src # wget http://sysoev.ru/nginx/nginx-#{NGINX}.tar.gz # tar xfz nginx-# {NGINX}.tar.gz # cd nginx-# {NGINX} # ./configure --pid-path=/usr/local/nginx/logs/nginx.pid >--sbin-path=/usr/local/sbin/nginx --with-md5=/usr/lib >--with-sha1=/usr/lib --with-http_ssl_module --with-http_dav_module >--with-http_stub_status_module # make # make install ,[object Object]

# wget http://notrocketsurgery.com/files/nginx -O /etc/init.d/nginx # chmod +x /etc/init.d/nginx ,[object Object],# /etc/init.d/nginx start | stop ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],# gem install nginx_config_generator ,[object Object],# generate_nginx_config ‐‐example > config.yml ,[object Object],# generate_nginx_config config.yml nginx.conf

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Mongrel <8000> Network Nginx <80> Dynamic requests Static files File system Mongrel <8001> Mongrel <N> … database

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],# /etc/init.d/nginx start ,[object Object],[object Object]

Mongrel <8000> Network Nginx <80> Dynamic requests Static files File system Mongrel <8001> Mongrel <N> … Mongrel_cluster database

[object Object],[object Object],# gem install mongrel_cluster --include-dependencies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],# mongrel_rails cluster::configure -e production -p 8000 >-N 3 -c /home/projects/rails/sites/monapp/current>-a 192.168.0.100 --user mongrel --group mongrel

[object Object],# mongrel_rails cluster::start|stop|restart ,[object Object],# mongrel_rails cluster::restart|stop|restart --only 8001

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],# gem install seesaw ,[object Object]

[object Object],--- restart_cmd: kill -HUP `cat /usr/local/nginx/logs/nginx.pid ` config_symlink: cluster.conf mongrel_config_path: config/mongrel_cluster.yml config_path: config/http_cluster config_files: all: cluster_all.conf 1: cluster_1.conf 2: cluster_2.conf symlink_cmd: ln -sf

[object Object],upstream many-mongrels { server 192.168.0.100:8000; server 192.168.0.100:8001; server 192.168.0.100:8002; server 192.168.0.100:8003; server 192.168.0.100:8003; } ,[object Object],upstream many-mongrels { server 192.168.0.100:8000; server 192.168.0.100:8001; server 192.168.0.100:8002; } ,[object Object],upstream many-mongrels { server 192.168.0.100:8003; server 192.168.0.100:8004; } ,[object Object]

[object Object],http { ... include /path/to/http_cluster/cluster.conf; server { . .. location / { proxy_pass http://many-mongrels; } ... } } ,[object Object]

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Alive mongrel instance Restarting mongrel instance Nginx server Cluster 1 Cluster 2 Cluster 1 Cluster 2 Cluster 1 Cluster 2 Switch to cluster 1 and restart cluster 2 Switch to cluster 2 and restart cluster 1 Switch to cluster 2 + cluster 1

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],# wget http://www.tildeslash.com/monit/dist/monit-4.10.tar.gz # tar zxvf monit-4.10.tar.gz # cd monit-4.10 # ./configure # make # make install ,[object Object],# cp monitrc /home/projects/monitrc

[object Object],set daemon 180 ,[object Object],set logfile syslog facility log_daemon ,[object Object],set mailserver mail.myserver.com ,[object Object],set mail-format { from: alert@monserver.com subject: $SERVICE $EVENT at $DATE message: Monit $ACTION $SERVICE at $DATE on $HOST: $DESCRIPTION. }

[object Object],##### mongrel 8000 ##### check process mongrel_8010 with pidfile /path/to/mongrel.8000.pid start program = "/usr/bin/mongrel_rails cluster::start -C /path/to/mongrel_cluster.yml --clean --only 8000" stop program = "/usr/bin/mongrel_rails cluster::stop -C /path/to/mongrel_cluster.yml --clean --only 8000“ if failed port 8000 protocol http with timeout 10 seconds then restart if totalmem is greater than 70.0 MB for 5 cycles then restart if 3 restarts within 5 cycles then alert if cpu is greater than 80% for 3 cycles then restart

[object Object],##### nginx ##### check process nginx with pidfile /usr/local/nginx/logs/nginx.pid start program = "/etc/init.d/nginx start" stop program = "/etc/init.d/nginx stop" if failed host 0.0.0.0 port 80 then restart ,[object Object],##### mysql ##### check process mysql with pidfile /var/run/mysqld/mysqld.pid start program = "/usr/local/sbin/nginx –c /usr/local/nginx/conf/nginx.conf etc/init.d/mysql start" stop program = "/etc/init.d/mysql stop" if failed port 3306 then restart ,[object Object],http://monitr.atmos.org/generators/nginx

[object Object],# monit -c /path/to/monitrc ,[object Object]

[object Object],mo:2345: respawn :/usr/local/bin/monit –Ic /home/projects/monitrc ,[object Object],[object Object],# telinit -q ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Montreal On Rails 5 : Rails deployment using : Nginx, Mongrel, Mongrel_cluster, Seesaw, Monit

Montreal On Rails 5 : Rails deployment using : Nginx, Mongrel, Mongrel_cluster, Seesaw, Monit

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Montreal On Rails 5 : Rails deployment using : Nginx, Mongrel, Mongrel_cluster, Seesaw, Monit