This monitors docker containers

monitor_containers.rb

#!/usr/bin/ruby
# chkconfig: 2345 95 20
# description: This will closely monitor the centro docker containers.
# processname: monitor_containers

e = `pgrep monitor_cont`.strip.to_i
count = 0
IO.popen('ps -ef | grep monitor_containers | grep -v grep').each{|i|
  count = count.next
  if count > 1
    case ARGV.first
    when 'status'
      puts '---------'
    when 'stop'
      puts "+++++++++"
    when 'start'
      puts "Another monitor process is running.. exiting.."
      exit 0
    end
  end
}

case ARGV.first
  when 'stop'
    # Killing the process
    puts "Killing.. " + e.to_s
    Process.kill("HUP", e)
  when 'start'
    puts "Monitoring Centro Containers.."
    Process.daemon # Anything Past This will be daemoized.....
    loop{
      if `docker ps | grep mysql`.empty?
        if `docker ps | grep jboss`.empty?
          IO.popen('docker-compose -f /kube_yamls/docker-compose.yml up -d').each{|o|
            puts o
          }
        end
        IO.popen('docker-compose -f /kube_yamls/docker-compose.yml stop;docker-compose -f /kube_yamls/docker-compose.yml up -d').each{|o|
          puts o
        }
      end


      if `docker ps | grep jboss`.empty?
        if `docker ps | grep mysql`.empty?
          IO.popen('docker-compose -f /kube_yamls/docker-compose.yml up -d').each{|o|
            puts o
          }
        end
        IO.popen('docker-compose -f /kube_yamls/docker-compose.yml stop;docker-compose -f /kube_yamls/docker-compose.yml up -d').each{|o|
          puts o
        }
      end

      sleep 15
    }
  when 'status'
    IO.popen('docker-compose -f /kube_yamls/docker-compose.yml ps').each{|i|
      puts i
    }
  else
    puts "usage: 
    monitor_containers.rb start TO START MONITORING DOCKER CONTAINERS
    monitor_containers.rb stop  TO STOP MONITORING THE DOCKER CONTAINERS
    monitor_containers.rb status TO GET A STATUS OF THE DOCKER CONTAINERS"
end