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qna gist
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| ### Nginx ### | |
| check process nginx with pidfile /run/nginx.pid | |
| start program = "/usr/sbin/service nginx start" | |
| stop program = "/usr/sbin/service nginx stop" | |
| if cpu > 60% for 2 cycles then alert | |
| if cpu > 80% for 5 cycles then restart | |
| if memory usage > 80% for 5 cycles then restart | |
| if failed host 45.87.2.112 port 80 protocol http | |
| then restart | |
| if 3 restarts within 5 cycles then timeout | |
| ### Postgresql ### | |
| check process postgresql | |
| with pidfile /var/run/postgresql/9.5-main.pid | |
| start program = "/usr/sbin/service postgresql start" | |
| stop program = "/usr/sbin/service postgresql stop" | |
| if failed host localhost port 5432 protocol pgsql then restart | |
| if cpu > 80% then restart | |
| if memory usage > 80% for 2 cycles then restart | |
| if 5 restarts within 5 cycles then timeout | |
| ### Redis ### | |
| check process redis-server | |
| with pidfile "/var/run/redis/redis-server.pid" | |
| start program = "/usr/sbin/service redis start" | |
| stop program = "/usr/sbin/service redis stop" | |
| if totalmem > 100 Mb then alert | |
| if children > 255 for 5 cycles then stop | |
| if cpu usage > 95% for 3 cycles then restart | |
| if memory usage > 80% for 5 cycles then restart | |
| if failed host 127.0.0.1 port 6379 then restart | |
| if 5 restarts within 5 cycles then timeout | |
| ### Sidekiq ### | |
| check process sidekiq | |
| with pidfile "/home/qna/qna/shared/tmp/pids/sidekiq-0.pid" | |
| start program = "/bin/su - qna -c 'cd /home/qna/qna/current && /home/qna/.rvm/bin/rvm default do bundle exec sidekiq --index 0 --pidfile /home/qna/qna/shared/tmp/pids/sidekiq-0.pid --environment production --logfile /home/qna/qna/shared/log/sidekiq.log --queue default --queue mailers --daemon'" | |
| stop program = "/bin/su - qna -c 'cd /home/qna/qna/current && /home/qna/.rvm/bin/rvm default do bundle exec sidekiqctl stop /home/qna/qna/shared/tmp/pids/sidekiq-0.pid 10'" | |
| if cpu > 80% then restart | |
| if memory usage > 80% for 2 cycles then restart | |
| if 3 restarts within 3 cycles then timeout | |
| ### Unicorn ### | |
| check process unicorn | |
| with pidfile "/home/qna/qna/shared/tmp/pids/unicorn.pid" | |
| start program = "/bin/su - qna -c 'cd /home/qna/qna/current && RAILS_ENV=production /home/qna/.rvm/bin/rvm default do bundle exec unicorn -c /home/qna/qna/current/config/unicorn/production.rb -E deployment -D'" | |
| stop program = "/usr/bin/env kill -s QUIT `cat /home/qna/qna/current/tmp/pids/unicorn.pid`" | |
| if memory usage > 90% for 3 cycles then restart | |
| if cpu usage > 90% for 2 cycles then restart | |
| if 5 restarts within 5 cycles then timeout | |
| ### Sphinx ### | |
| check process sphinx | |
| with pidfile "/home/qna/qna/shared/log/production.sphinx.pid" | |
| start program = "/bin/su - qna -c 'cd /home/qna/qna/current && RAILS_ENV=production /home/qna/.rvm/bin/rvm default do bundle exec rake ts:start'" | |
| stop program = "/bin/su - qna -c 'cd /home/qna/qna/current && RAILS_ENV=production /home/qna/.rvm/bin/rvm default do bundle exec rake ts:stop'" | |
| if memory usage > 80% for 4 cycles then restart | |
| if cpu usage > 80% for 2 cycles then restart | |
| if 3 restarts within 3 cycles then timeout |
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