a halfassed model for utility scripting for specific cases

tcold.rb

#!/usr/bin/env ruby

# just some hackity hack to manage the remote tomcat on old-darrend-desktop
class TomcatOldEnvironment

  def initialize targetslot
    @targetslot = targetslot
  end

  def targetslot
    raise "Unknown targetslot #{@targetslot}" unless (@targetslot==='pobs' || @targetslot==='eui') 
    @targetslot
  end

  def tcold_help arguments
    puts self.methods.select { |e| e =~ /tcold_/ }
  end

  def tcold_deploy arguments
    warfile, dir = *case targetslot
      when "pobs": ["pobs", "forpobs"] 
      when "eui": ["ROOT", "foreui"]
    end

    tcold_down arguments
    sleep 5
    dothis "scp #{arguments[0]} old-darrend-desktop:/home/darrend/tomcat/#{dir}/webapps/#{warfile}.war"
    dothis "ssh old-darrend-desktop 'rm -rf /home/darrend/tomcat/#{dir}/webapps/#{warfile}/'"
    tcold_up arguments
  end

  def tcold_config arguments
    case targetslot
      when "pobs"
        dothis "ssh old-darrend-desktop 'grep jdbc /home/darrend/tomcat/for#{targetslot}/conf/server.xml'"
      when "eui"
        dothis "ssh old-darrend-desktop 'grep pobsconnect /etc/hosts'"
    end
  end

  def tcold_check arguments
    port = case targetslot
      when "eui": 8081
      when "pobs": 8080
    end

    dothis "ssh old-darrend-desktop 'lsof -i tcp:#{port}'"
  end

  def tcold_down arguments
    puts "shutting down #{targetslot}"
    dothis "ssh old-darrend-desktop 'cd /home/darrend/tomcat/for#{targetslot}; bin/shutdown.sh'"
  end

  def tcold_up arguments
    puts "starting up #{targetslot}"
    dothis "ssh old-darrend-desktop 'cd /home/darrend/tomcat/for#{targetslot}; bin/startup.sh'"
  end
    
  private
  def dothis command
    puts "> #{command}"
    puts %x_#{command}_
  end
end


targetslot, action, *arguments = *ARGV

action = targetslot if action.nil?

tcold = TomcatOldEnvironment.new targetslot

if tcold.respond_to? "tcold_#{action}"
  tcold.send "tcold_#{action}", arguments 
end