Class: Chimp::Chimp

Inherits:
Object
  • Object
show all
Defined in:
lib/right_chimp/Chimp.rb

Constant Summary collapse

@@verbose =

These class variables control verbosity

false
@@quiet = 
false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Chimp

Set up reasonable defaults



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# File 'lib/right_chimp/Chimp.rb', line 18

def initialize

  #
  # General configuration options
  #
  @progress     = false
  @prompt       = true
  @verify       = true
  @dry_run      = false
  @interactive  = true

  #
  # Job control options
  #
  @concurrency  = 1
  @delay        = 0
  @retry_count  = 0
  @hold         = false
  @timeout      = 900

  @limit_start  = 0
  @limit_end    = 0

  #
  # Action configuration
  #
  @action            = :action_none
  @group             = :default
  @group_type        = :parallel
  @group_concurrency = 1

  #
  # Options for selecting objects to work on
  #
  @current          = true
  @match_all        = true

  # This is an array of json data for each instance
  @servers          = []

  @arrays           = []
  @tags             = []
  @array_names      = []
  @deployment_names = []
  @template         = nil
  @script           = nil
  @ssh              = nil
  @ssh_user         = "rightscale"
  @report           = nil
  @inputs           = {}
  @set_tags         = []
  @ignore_errors    = false

  @break_array_into_instances = false
  @dont_check_templates_for_script = false

  #
  # chimpd configuration
  #
  @use_chimpd                 = false
  @chimpd_host                = 'localhost'
  @chimpd_port                = 9055
  @chimpd_wait_until_done     = false

  #
  # Will contain the operational scripts we have found
  # In the form: [name, href]
  @op_scripts = []

  #
  # This will contain the href and the name of the script to be run
  # in the form: [name, href]
  @script_to_run = nil
end

Instance Attribute Details

#action ⇒ Object

Returns the value of attribute action.



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# File 'lib/right_chimp/Chimp.rb', line 5

def action
  @action
end

#all_scripts ⇒ Object

Returns the value of attribute all_scripts.



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# File 'lib/right_chimp/Chimp.rb', line 5

def all_scripts
  @all_scripts
end

#array_names ⇒ Object

Returns the value of attribute array_names.



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# File 'lib/right_chimp/Chimp.rb', line 5

def array_names
  @array_names
end

#chimpd_host ⇒ Object

Returns the value of attribute chimpd_host.



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# File 'lib/right_chimp/Chimp.rb', line 5

def chimpd_host
  @chimpd_host
end

#chimpd_port ⇒ Object

Returns the value of attribute chimpd_port.



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# File 'lib/right_chimp/Chimp.rb', line 5

def chimpd_port
  @chimpd_port
end

#cli_args ⇒ Object

Returns the value of attribute cli_args.



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# File 'lib/right_chimp/Chimp.rb', line 5

def cli_args
  @cli_args
end

#concurrency ⇒ Object

Returns the value of attribute concurrency.



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# File 'lib/right_chimp/Chimp.rb', line 5

def concurrency
  @concurrency
end

#delay ⇒ Object

Returns the value of attribute delay.



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# File 'lib/right_chimp/Chimp.rb', line 5

def delay
  @delay
end

#deployment_names ⇒ Object

Returns the value of attribute deployment_names.



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# File 'lib/right_chimp/Chimp.rb', line 5

def deployment_names
  @deployment_names
end

#dry_run ⇒ Object

Returns the value of attribute dry_run.



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# File 'lib/right_chimp/Chimp.rb', line 5

def dry_run
  @dry_run
end

#group ⇒ Object

Returns the value of attribute group.



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# File 'lib/right_chimp/Chimp.rb', line 5

def group
  @group
end

#hold ⇒ Object

Returns the value of attribute hold.



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# File 'lib/right_chimp/Chimp.rb', line 5

def hold
  @hold
end

#interactive ⇒ Object

Returns the value of attribute interactive.



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# File 'lib/right_chimp/Chimp.rb', line 5

def interactive
  @interactive
end

#job_id ⇒ Object

Always returns 0. Used for chimpd compatibility.



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# File 'lib/right_chimp/Chimp.rb', line 1227

def job_id
  @job_id
end

#job_note ⇒ Object

Returns the value of attribute job_note.



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# File 'lib/right_chimp/Chimp.rb', line 5

def job_note
  @job_note
end

#job_uuid ⇒ Object

Returns the value of attribute job_uuid.



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# File 'lib/right_chimp/Chimp.rb', line 5

def job_uuid
  @job_uuid
end

#limit_end ⇒ Object

Returns the value of attribute limit_end.



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# File 'lib/right_chimp/Chimp.rb', line 5

def limit_end
  @limit_end
end

#limit_start ⇒ Object

Returns the value of attribute limit_start.



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# File 'lib/right_chimp/Chimp.rb', line 5

def limit_start
  @limit_start
end

#progress ⇒ Object

Returns the value of attribute progress.



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# File 'lib/right_chimp/Chimp.rb', line 5

def progress
  @progress
end

#prompt ⇒ Object

Returns the value of attribute prompt.



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# File 'lib/right_chimp/Chimp.rb', line 5

def prompt
  @prompt
end

#quiet ⇒ Object

Returns the value of attribute quiet.



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# File 'lib/right_chimp/Chimp.rb', line 5

def quiet
  @quiet
end

#report ⇒ Object

Returns the value of attribute report.



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# File 'lib/right_chimp/Chimp.rb', line 5

def report
  @report
end

#retry_count ⇒ Object

Returns the value of attribute retry_count.



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# File 'lib/right_chimp/Chimp.rb', line 5

def retry_count
  @retry_count
end

#script ⇒ Object

Returns the value of attribute script.



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# File 'lib/right_chimp/Chimp.rb', line 5

def script
  @script
end

#servers ⇒ Object

Returns the value of attribute servers.



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# File 'lib/right_chimp/Chimp.rb', line 5

def servers
  @servers
end

#ssh ⇒ Object

Returns the value of attribute ssh.



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# File 'lib/right_chimp/Chimp.rb', line 5

def ssh
  @ssh
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/right_chimp/Chimp.rb', line 5

def tags
  @tags
end

#use_chimpd ⇒ Object

Returns the value of attribute use_chimpd.



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# File 'lib/right_chimp/Chimp.rb', line 5

def use_chimpd
  @use_chimpd
end

#verify(message, items, confirm = true) ⇒ Object

Allow the user to verify the list of servers that an operation will be run against.



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# File 'lib/right_chimp/Chimp.rb', line 1259

def verify
  @verify
end

Class Method Details

.failure ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1245

def self.failure
  return Thread.current[:failure]
end

.get_job_uuid ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1236

def self.get_job_uuid
  return Thread.current[:job_uuid]
end

.set_failure(status) ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1240

def self.set_failure(status)
  #This is a current thread variable to avoid cross-talk between threads
  Thread.current[:failure] = status
end

.set_job_uuid(value) ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1231

def self.set_job_uuid(value)
  #This is a current thread variable to avoid cross-talk between threads
  Thread.current[:job_uuid] = value
end

.set_verbose(v = true, q = false) ⇒ Object

Configure the Log object



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# File 'lib/right_chimp/Chimp.rb', line 1210

def self.set_verbose(v=true, q=false)
  @@verbose = v
  @@quiet = q

  STDOUT.sync = true
  STDERR.sync = true

  Log.threshold= Logger::DEBUG if @@verbose
end

.verbose? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/right_chimp/Chimp.rb', line 1220

def self.verbose?
  return @@verbose
end

Instance Method Details

#add_to_queue(a) ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 952

def add_to_queue(a)
  a.each { |task| ChimpQueue.instance.push(@group, task) }
end

#ask_confirmation(prompt = 'Continue?', default = false) ⇒ Object

Asks for confirmation before continuing



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# File 'lib/right_chimp/Chimp.rb', line 1132

def ask_confirmation(prompt = 'Continue?', default = false)
  a = ''
  s = default ? '[Y/n]' : '[y/N]'
  d = default ? 'y' : 'n'
  until %w[y n].include? a
    a = ask("#{prompt} #{s} ") { |q| q.limit = 1; q.case = :downcase }
    a = d if a.length == 0
  end
  a == 'y'
end

#check_option_validity ⇒ Object

Check for any invalid combinations of command line options



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# File 'lib/right_chimp/Chimp.rb', line 478

def check_option_validity
  if @hold && !@array_names.empty?
    puts "ERROR: Holding of array objects is not yet supported"
    exit 1
  end

  if @tags.empty? and @array_names.empty? and @deployment_names.empty? and not @chimpd_wait_until_done
    puts "ERROR: Please select the objects to operate upon."
    help
    exit 1
  end

  if not @array_names.empty? and ( not @tags.empty? or not @deployment_names.empty? )
    puts "ERROR: You cannot mix ServerArray queries with other types of queries."
    help
    exit 1
  end
end

#chimpd_wait_until_done ⇒ Object

Connect to chimpd and wait for the work queue to empty, and prompt the user if there are any errors.



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# File 'lib/right_chimp/Chimp.rb', line 1147

def chimpd_wait_until_done
  local_queue = ChimpQueue.instance
  $stdout.print "Waiting for chimpd jobs to complete for group #{@group}..."

  begin
    while !@dry_run
      local_queue = ChimpQueue.instance

      #
      # load up remote chimpd jobs into the local queue
      # this makes all the standard queue control methods available to us
      #
      sleeping_counter = 0
      while true
        local_queue.reset!

        begin
          all = ChimpDaemonClient.retrieve_group_info(@chimpd_host, @chimpd_port, @group, :all)
        rescue RestClient::ResourceNotFound
          sleep 5
          $stdout.print "\nINFO: Waiting on group #{@group}"
          retry
        end

        ChimpQueue.instance.create_group(@group)
        ChimpQueue[@group].set_jobs(all)

        break if ChimpQueue[@group].done?

        if sleeping_counter % 240 == 0
          $stdout.print "\nWaiting for group #{@group}" unless sleeping_counter == 0
        end
        $stdout.print "."
        $stdout.flush
        sleeping_counter += 5
        sleep 5
      end

      #
      # If verify_results returns true, then ask chimpd to requeue all failed jobs.
      #
      if verify_results(@group)
        break
      else
        ChimpDaemonClient.retry_group(@chimpd_host, @chimpd_port, @group)
      end
    end
  ensure
    #$stdout.print " done\n"
  end
end

#detect_right_script(st, script) ⇒ Object

This function returns @script_to_run which is extracted from matching the desired script against all server templates or the script URL



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# File 'lib/right_chimp/Chimp.rb', line 651

def detect_right_script(st, script)
  Log.debug  "[#{Chimp.get_job_uuid}] Looking for rightscript"
  executable = nil
  # In the event that chimpd find @op_scripts as nil, set it as an array.
  if @op_scripts.nil?
    @op_scripts = []
  end
  if st.nil?
    return executable
  end

  # Take the sts and extract all operational scripts
  @op_scripts = extract_operational_scripts(st)

  # if script is empty, we will list all common scripts
  # if not empty, we will list the first matching one
  if @script == "" and @script != nil
    # list all operational scripts
    reduce_to_common_scripts(st.size)

    script_id = list_and_select_op_script

    # Provide the name + href
    s = Executable.new
    s.params['right_script']['href'] = @op_scripts[script_id][1].right_script.href
    s.params['right_script']['name'] = @op_scripts[script_id][0]
    @script_to_run = s
  else
    # Try to find the rightscript in our list of common operational scripts
    @op_scripts.each  do |rb|
      script_name = rb[0]
      if script_name.downcase.include?(script.downcase)
        # We only need the name and the href
        s = Executable.new
        s.params['right_script']['href'] = rb[1].right_script.href
        s.params['right_script']['name'] = script_name
        @script_to_run = s

        Log.debug "[#{Chimp.get_job_uuid}] Found rightscript"
        return @script_to_run
      end
    end
    #
    # If we reach here it means we didnt find the script in the operationals
    #
    if @script_to_run == nil
      # Search outside common op scripts
      search_for_script_in_sts(script, st)
      if @script_to_run.nil?
        if @interactive
          puts "ERROR: Sorry, didnt find that ( "+script+" ), provide an URI instead"
          puts "I searched in:"
          st.each { |s|
            puts "   *  "+s[1]['name']+"  [Rev"+s[1]['version'].to_s+"]"
          }
          if not @ignore_errors
            exit 1
          end
        else
          Log.error "["+self.job_uuid+"] Sorry, didnt find the script: ( "+script+" )!"
          return nil
        end
      else
        if self.job_uuid.nil?
          self.job_uuid = ""
        end
        Log.warn "["+self.job_uuid+"]\"#{@script_to_run.params['right_script']['name']}\" is not a common operational script!"
        return @script_to_run
      end
    end
  end
end

#detect_server_template(servers) ⇒ Object

Given a list of servers



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# File 'lib/right_chimp/Chimp.rb', line 626

def detect_server_template(servers)

  Log.debug "[#{Chimp.get_job_uuid}] Looking for server template"
  st = []
  if servers[0].nil?
    return (st)
  end

  st += servers.collect { |s|
    [s['href'],s['server_template']]
  }.uniq {|a| a[0]}

  #
  # We return an array of server_template resources
  # of the type [ st_href, st object ]
  #
  Log.debug "[#{Chimp.get_job_uuid}] Found server templates"

  return(st)
end

#disable_logging ⇒ Object

Disable rest_connection logging



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# File 'lib/right_chimp/Chimp.rb', line 1202

def disable_logging
  ENV['REST_CONNECTION_LOG'] = "/dev/null"
  ENV['RESTCLIENT_LOG'] = "/dev/null"
end

#do_work ⇒ Object

Do work: either by submitting to chimpd or running it ourselves.



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# File 'lib/right_chimp/Chimp.rb', line 1061

def do_work
  done = false

  while not done
    queue_runner(@concurrency, @delay, @retry_count, @progress)

    if @interactive and @verify
      done = verify_results(@group)
    else
      done = true
    end
  end

  if not @verify
    failed_workers, results_display = get_results(group)
    exit 1 if failed_workers.size > 0
  end

  puts "chimp run complete"
end

#extract_operational_scripts(st) ⇒ Object

Returns all matching operational scripts in the st list passed



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# File 'lib/right_chimp/Chimp.rb', line 799

def extract_operational_scripts(st)
  op_scripts = []
  size = st.size
  st.each do |s|
    # Example of s structure
    # ["/api/server_templates/351930003",
    #   {"id"=>351930003,
    #    "name"=>"RightScale Right_Site - 2015q1",
    #    "kind"=>"cm#server_template",
    #    "version"=>5,
    #    "href"=>"/api/server_templates/351930003"} ]
    Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call: client.resource (ST)"
    begin
      temp=Connection.client.resource(s[1]['href'])
      Log.debug "[#{Chimp.get_job_uuid}] API 1.5 call client.resource (ST) complete"
      temp.runnable_bindings.index.each do |x|
        # only add the operational ones
        if x.sequence == "operational"
          name = x.raw['right_script']['name']
          op_scripts.push([name, x])
        end
      end
    rescue  Exception => e
      Log.error "[#{Chimp.get_job_uuid}] API 1.5 call client.resource (ST) failed"
      Log.error "[#{Chimp.get_job_uuid}] #{e.message}"
    end
  end

  #We now only have operational runnable_bindings under the script_objects array
  if op_scripts.length < 1
    raise "ERROR: No operational scripts found on the server(s). "
    st.each {|s|
      puts "         (Search performed on server template '#{s[1]['name']}')"
    }
  end
  return op_scripts
end

#generate_jobs(queue_servers, queue_template, queue_executable) ⇒ Object

Load up the queue with work



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# File 'lib/right_chimp/Chimp.rb', line 840

def generate_jobs(queue_servers, queue_template, queue_executable)
  counter = 0
  tasks = []
  Log.debug "[#{Chimp.get_job_uuid}] Loading queue..."
  #
  # Configure group
  #
  if not ChimpQueue[@group]
    ChimpQueue.instance.create_group(@group, @group_type, @group_concurrency)
  end

  #
  # Process Server selection
  #
  Log.debug("[#{Chimp.get_job_uuid}] Processing server selection for task creation")

  queue_servers.sort! { |a,b| a['name'] <=> b['name'] }
  queue_servers.each do |server|
    #
    # Handle limiting options
    #
    counter += 1
    next if @limit_start.to_i > 0 and counter < @limit_start.to_i
    break if @limit_end.to_i > 0 and counter > @limit_end.to_i

    #
    # Construct the Server object
    #
    s = Server.new

    s.params['href']                  = server['href']

    s.params['current_instance_href'] = s.params['href']
    s.params['current-instance-href'] = s.params['href']

    s.params['name']                  = server['name']
    s.params['nickname']              = s.params['name']

    s.params['ip_address']            = server['public_ip_addresses'].first
    s.params['ip-address']            = s.params['ip_address']

    s.params['private-ip-address']    = server['private_ip_addresses'].first
    s.params['private_ip_address']    = s.params['private-ip-address']

    s.params['resource_uid']          = server['resource_uid']
    s.params['resource-uid']          = s.params['resource_uid']

    s.params['instance-type']         = server['links']['instance_type']['name']
    s.params['instance_type']         = s.params['instance-type']
    s.params['ec2_instance_type']     = s.params['instance-type']
    s.params['ec2-instance-type']     = s.params['instance-type']

    s.params['dns-name']              = server['public_dns_names'].first
    s.params['dns_name']              = s.params['dns-name']

    s.params['locked']                = server['locked']
    s.params['state']                 = server['state']
    s.params['datacenter']            = server['links']['datacenter']['name']

    # This will be useful for later on when we need to run scripts
    Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call: client.resource (SERVER) for task creation"
    begin
      s.object = Connection.client.resource(server['href'])
      Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call: client.resource (SERVER) for task creation COMPLETE"
    rescue
      Log.error "[#{Chimp.get_job_uuid}] Failed to load server href via API1.5 for task creation"
    end

    e = nil

    # If @script has been passed
    if queue_executable
      e = ExecRightScript.new(
        :server => s,
        :exec => queue_executable,
        :job_uuid => @job_uuid,
        :job_notes => @job_notes,
        :inputs => @inputs,
        :timeout => @timeout,
        :verbose => @@verbose,
        :quiet => @@quiet
      )
    elsif @ssh
      e = ExecSSH.new(
        :server => s,
        :ssh_user => @ssh_user,
        :exec => @ssh,
        :verbose => @@verbose,
        :quiet => @@quiet
      )
    elsif @report
      if s.href
        e = ExecReport.new(:server => s, :verbose => @@verbose, :quiet => @@quiet)
        e.fields = @report
      end
    elsif @set_tags.size > 0
      e = ExecSetTags.new(:server => s, :verbose => @@verbose, :quiet => @@quiet)
      e.tags = set_tags
    end

    if e != nil
      e.dry_run = @dry_run
      e.quiet   = @@quiet
      e.status  = Executor::STATUS_HOLDING if @hold

      Log.debug "[#{Chimp.get_job_uuid}] Pushing task (end of control)"
      tasks.push(e)
    end
  end
  return(tasks)
end

#get_array_info ⇒ Object

Load up @array with server arrays to operate on



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# File 'lib/right_chimp/Chimp.rb', line 209

def get_array_info
  return if @array_names.empty?

  # The first thing to do here is make an api1.5 call to get the array hrefs.
  arrays_hrefs=get_hrefs_for_arrays(@array_names)
  # Then we filter on all the instances by this href
  all_instances = Connection.all_instances() unless arrays_hrefs.empty?
  if all_instances.nil?
    Log.debug "[#{Chimp.get_job_uuid}] No results from API query"
  else
    arrays_hrefs.each { |href|
      @servers += all_instances.select {|s|
        s['links']['incarnator']['href'] == href
      }
    }

    Log.debug "[#{Chimp.get_job_uuid}] Found #{@servers.count} servers for that array query"

  end
  # The result will be stored (not returned) into @servers
end

#get_executable_info ⇒ Object

Get the Executable (RightScript) info from the API



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# File 'lib/right_chimp/Chimp.rb', line 255

def get_executable_info
  if not (@servers.empty? )
    if (@script != nil)
      # If script is an uri/url no need to "detect it"
      # https://my.rightscale.com/acct/9202/right_scripts/205347
      if @script =~ /\A#{URI::regexp}\z/
        if not @use_chimpd || !@prompt
          puts "=================================================="
          puts "WARNING! You will be running this script on all "
          puts "server matches! (Press enter to continue)"
          puts "=================================================="
          gets
        end

        script_number = File.basename(@script)

        s=Executable.new
        s.params['right_script']['href']="right_script_href=/api/right_scripts/"+script_number
        #Make an 1.5 call to extract name, by loading resource.
        Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call : client.resource(#{s.params['right_script']['href'].scan(/=(.*)/).last.last})"
        begin
          the_name = Connection.client.resource(s.params['right_script']['href'].scan(/=(.*)/).last.last).name
        rescue
          Log.error "[#{Chimp.get_job_uuid}] Failed to make 1.5 call for rightscript href"
        end
        s.params['right_script']['name'] = the_name
        @executable=s
      else
        #If its not an url, go ahead try to locate it in the ST"
        @executable = detect_right_script(@server_template, @script)
      end
    else
      # @script could be nil because we want to run ssh
      if @action == :action_ssh
        puts "Using SSH command: \"#{@ssh}\"" if @action == :action_ssh
      end
    end
  end
end

#get_failures ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1053

def get_failures
  return get_results(@group)
end

#get_hrefs_for_arrays(names) ⇒ Object

Given some array names, return the arrays hrefs Api1.5



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# File 'lib/right_chimp/Chimp.rb', line 585

def get_hrefs_for_arrays(names)
  result = []
  arrays_hrefs = []
  if names.size > 0
    names.each do |array_name|
      # Find if arrays exist, if not raise warning.
      # One API call per array
      Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call: client.server_arrays.index(:filter => [#{array_name}])"
      result = Connection.client.server_arrays.index(:filter => ["name==#{array_name}"])
      # Result is an array with all the server arrays
      if result.size != 0
        if @exact
          #remove results that do not exactly match
          result.each{ |r|
            if array_names.include?(r.raw['name'])
              arrays_hrefs += [ r.href ]
            end
          }
        else
          arrays_hrefs += result.collect(&:href)
        end
      else
        if @ignore_errors
          Log.debug "[#{Chimp.get_job_uuid}] Could not find array \"#{array_name}\""
        else
          Log.error "[#{Chimp.get_job_uuid}] Could not find array \"#{array_name}\""
        end
      end
    end
    if ( arrays_hrefs.empty? )
      Log.debug "[#{Chimp.get_job_uuid}] Did not find any arrays that matched!" unless names.size == 1
    end

    return(arrays_hrefs)

  end
end

#get_results(group_name) ⇒ Object

Get the results from the QueueRunner and format them in a way that’s easy to display to the user



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# File 'lib/right_chimp/Chimp.rb', line 1025

def get_results(group_name)
  queue = ChimpQueue.instance
  Log.debug("getting results for group #{group_name}")
  results = queue.group[@group].results()
  failed_workers = []
  results_display = []

  results.each do |result|
    next if result == nil

    if result[:status] == :error
      name = result[:host] || "unknown"
      message = result[:error].to_s || "unknown"
      message.sub!("\n", "")
      failed_workers << result[:worker]
      results_display << "#{name[0..40]}  >> #{message}"
    end
  end

  return [failed_workers, results_display]
end

#get_server_info ⇒ Object

Go through each of the various ways to specify servers via the command line (tags, deployments, etc.) and get all the info needed from the RightScale API.



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# File 'lib/right_chimp/Chimp.rb', line 236

def get_server_info
  @servers += get_servers_by_tag(@tags) unless tags.empty?
  # Perhaps allow searchign by deployment
  @servers += get_servers_by_deployment(@deployment_names) unless @deployment_names.empty?
end

#get_servers_by_deployment(names) ⇒ Object

Parse deployment names and get Server objects



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# File 'lib/right_chimp/Chimp.rb', line 567

def get_servers_by_deployment(names)
  servers = []
  all_instances = Connection.all_instances

  if @exact
    result = all_instances.select {|i| names.any? {|n| i['links']['deployment']['name'].eql? n }}
  else
    result = all_instances.select {|i| names.any? {|n| i['links']['deployment']['name'] =~ /#{n}/ }}
  end
  servers = result

  return(servers)
end

#get_servers_by_tag(tags) ⇒ Object

Api1.6 equivalent



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# File 'lib/right_chimp/Chimp.rb', line 500

def get_servers_by_tag(tags)
  # Take tags and collapse it,
  # Default case, tag is AND
  if @match_all
    t = tags.join("&tag=")
    filter = "tag=#{t}"
    servers = Connection.instances(filter)
  else
    t = tags.join(",")
    filter = "tag=#{t}"
    servers = Connection.instances(filter)
  end

  if servers.nil?
    if @ignore_errors
      Log.warn "[#{Chimp.get_job_uuid}] Tag query returned no results: #{tags.join(" ")}"
    else
      raise "[#{Chimp.get_job_uuid}] Tag query returned no results: #{tags.join(" ")}\n"
    end
  elsif servers.empty?
    if @ignore_errors
      Log.warn "[#{Chimp.get_job_uuid}] Tag query returned no results: #{tags.join(" ")}"
    else
      raise "[#{Chimp.get_job_uuid}] Tag query returned no results: #{tags.join(" ")}\n"
    end
  end

  servers = verify_tagged_instances(servers,tags)

  return(servers)
end

#get_template_info ⇒ Object

Get the ServerTemplate info from the API



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# File 'lib/right_chimp/Chimp.rb', line 245

def get_template_info
  # If we have a server or an array
  if not (@servers.first.nil? and @array_names.empty?)
    @server_template = detect_server_template(@servers)
  end
end

#help ⇒ Object

Print out help information



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# File 'lib/right_chimp/Chimp.rb', line 1387

def help
  puts
  puts "chimp -- a RightScale Platform command-line tool"
  puts
  puts "To select servers using tags:"
  puts "  --tag=<tag>                       example: --tag=service:dataservice=true"
  puts "  --tag-use-and                     'and' all tags when selecting servers (default)"
  puts "  --tag-use-or                      'or' all tags when selecting servers"
  puts
  puts "To select arrays or deployments:"
  puts "  --array=<name>                    array to execute upon"
  puts "  --deployment=<name>               deployment to execute upon"
  puts
  puts "To perform an action, specify one of the following:"
  puts "  --script=[<name>|<uri>|<id>]      name/uri/id of RightScript to run, empty for opscripts list"
  puts "  --report=<field-1>,<field-2>...   produce a report (see below)"
  puts "  --ssh=<command>                   command to execute via SSH"
  puts "  --ssh-user=<username>             username to use for SSH login (default: root)"
  puts
  puts "Action options:"
  puts "  --input=\"<name>=<value>\"          set input <name> for RightScript execution"
  puts
  puts "Execution options:"
  puts "  --group=<name>                    specify an execution group"
  puts "  --group-type=<serial|parallel>    specify group execution type"
  puts "  --group-concurrency=<n>           specify group concurrency, e.g. for parallel groups"
  puts
  puts "  --concurrency=<n>                 number of concurrent actions to perform. Default: 1"
  puts "  --delay=<seconds>                 delay a number of seconds between operations"
  puts
  puts "General options:"
  puts "  --dry-run                         only show what would be done"
  puts "  --ignore-errors                   ignore errors when server selection fails"
  puts "  --retry=<n>                       number of times to retry. Default: 0"
  puts "  --timeout=<seconds>               set the timeout to wait for a RightScript to complete"
  puts "  --progress                        toggle progress indicator"
  puts "  --noprompt                        don't prompt with list of objects to run against"
  puts "  --noverify                        disable interactive verification of errors"
  puts "  --verbose                         be more verbose"
  puts "  --dont-check-templates            don't check for script even if servers have diff. templates"
  puts "  --quiet                           suppress non-essential output"
  puts "  --version                         display version and exit"
  puts
  puts "chimpd options:"
  puts "  --chimpd=<port>                   send jobs to chimpd listening on <port> on localhost"
  puts "  --chimpd-wait-until-done          wait until all chimpd jobs are done"
  puts "  --hold                            create a job in chimpd without executing until requested"
  puts
  puts "Misc Notes:"
  puts "  * If you leave the name of a --script or --ssh command blank, chimp will prompt you"
  puts "  * URIs must be API URIs in the format https://us-3.rightscale.com/acct/<acct>/right_scripts/<script_id>"
  puts "  * The following reporting keywords can be used: ip-address,name,href,private-ip-address,resource_uid,"
  puts "  * ec2-instance-type,datacenter,dns-name,locked,tag=foo"
end

#list_and_select_op_script ⇒ Object

Presents the user with a list of scripts contained in @op_scripts and Returns an integer indicating the selection



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# File 'lib/right_chimp/Chimp.rb', line 754

def list_and_select_op_script
  puts "List of available operational scripts:"
  puts "------------------------------------------------------------"
  for i in 0..@op_scripts.length - 1
    puts "  %3d. #{@op_scripts[i][0]}" % i
  end
  puts "------------------------------------------------------------"
  while true
    printf "Type the number of the script to run and press Enter (Ctrl-C to quit): "
    script_id = Integer(gets.chomp) rescue -1
    if script_id >= 0 && script_id < @op_scripts.length
      puts "Script choice: #{script_id}. #{@op_scripts[ script_id ][0]}"
      break
    else
      puts "#{script_id < 0 ? 'Invalid input' : 'Input out of range'}."
    end
  end

  return script_id
end

#make_human_readable_list_of_objects ⇒ Object

Generate a human readable list of objects



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# File 'lib/right_chimp/Chimp.rb', line 1374

def make_human_readable_list_of_objects
  list_of_objects = []

  if @servers and not @servers.first.nil?
    list_of_objects += @servers.map { |s| s['name'] }
  end

  return(list_of_objects)
end

#parse_command_line ⇒ Object

Parse command line options



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# File 'lib/right_chimp/Chimp.rb', line 298

def parse_command_line
  begin
    opts = GetoptLong.new(
      [ '--tag', '-t', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--tag-use-and', '-a', GetoptLong::NO_ARGUMENT ],
      [ '--tag-use-or', '-o', GetoptLong::NO_ARGUMENT ],
      [ '--array', '-r', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--deployment', '-e', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--script', '-s', GetoptLong::OPTIONAL_ARGUMENT ],
      [ '--ssh', '-x', GetoptLong::OPTIONAL_ARGUMENT ],
      [ '--input', '-i', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--set-template', '-m', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--set-tag', '-w', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--report', '-b', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--progress', '-p', GetoptLong::NO_ARGUMENT ],
      [ '--verbose', '-v', GetoptLong::NO_ARGUMENT ],
      [ '--quiet', '-q', GetoptLong::NO_ARGUMENT ],
      [ '--noprompt', '-z', GetoptLong::NO_ARGUMENT ],
      [ '--concurrency', '-c', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--delay', '-d', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--retry', '-y', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--hold', '-7', GetoptLong::NO_ARGUMENT ],
      [ '--dry-run', '-n', GetoptLong::NO_ARGUMENT ],
      [ '--limit', '-l', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--version', '-1', GetoptLong::NO_ARGUMENT ],
      [ '--chimpd', '-f', GetoptLong::OPTIONAL_ARGUMENT ],
      [ '--chimpd-wait-until-done', '-j', GetoptLong::NO_ARGUMENT ],
      [ '--dont-check-templates', '-0', GetoptLong::NO_ARGUMENT ],
      [ '--ignore-errors', '-9', GetoptLong::NO_ARGUMENT ],
      [ '--ssh-user', '-u', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--help', '-h', GetoptLong::NO_ARGUMENT ],
      [ '--group', '-g', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--group-type', '-2', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--group-concurrency', '-3', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--timing-log', '-4', GetoptLong::REQUIRED_ARGUMENT ],
      [ '--timeout', '-5',  GetoptLong::REQUIRED_ARGUMENT ],
      [ '--noverify', '-6', GetoptLong::NO_ARGUMENT ],
      [ '--exact-matching', '-8', GetoptLong::NO_ARGUMENT ],
      [ '--job-notes', '-k', GetoptLong::OPTIONAL_ARGUMENT ]
    )

    opts.each do |opt, arg|
      case opt
        when '--help', '-h'
          help
          exit 0
        when '--tag', '-t'
          @tags << arg
        when '--tag-use-and', '-a'
          @match_all = true
        when '--tag-use-or', '-o'
          @match_all = false
        when '--array', '-a'
          @array_names << arg
        when '--deployment', '-e'
          @deployment_names << arg
        when '--template', '-m'
          @template = arg
        when '--script', '-s'
          set_action(:action_rightscript)
          if arg == ""
            # Empty but not nil means show list of operational scripts to choose from
            @script = ""
          else
            @script = arg
          end
        when '--ssh', '-x'
          set_action(:action_ssh)
          @break_array_into_instances = true
          if arg == ""
            print "Enter SSH command line to execute: "
            @ssh = gets.chomp
          else
            @ssh = arg
          end
        when '--ssh-user', '-u'
          @ssh_user = arg
        when '--input', '-i'
          arg =~ /(.+)=(.+)/
          @inputs[$1]=$2
        when '--set-template', '-m'
          set_action(:action_set)
          @template = arg
        when '--set-tag', '-w'
          set_action(:action_set)
          @set_tags << arg
        when '--report', '-b'
          set_action(:action_report)
          @report = arg
          @@verbose = false
          @@quiet = true
          @break_array_into_instances = true
          @concurrency = 5 if @concurrency == 1
        when '--progress', '-p'
          @progress = @progress ? false : true
        when '--noprompt', '-z'
          @prompt = false
        when '--concurrency', '-c'
          @concurrency = arg.to_i
        when '--delay', '-d'
          @delay = arg.to_i
        when '--hold', '-7'
          @hold = true
        when '--retry', '-y'
          @retry_count = arg.to_i
        when '--limit', '-l'
          @limit_start, @limit_end = arg.split(',')
        when '--verbose', '-v'
          @@verbose = true
          Log.threshold = Logger::DEBUG
        when '--quiet', '-q'
          @@quiet = true
        when '--dont-check-templates', '-0'
          @dont_check_templates_for_script = true
        when '--version'
          puts VERSION
          exit 0
        when '--chimpd'
          @use_chimpd = true
          unless arg.empty?
            if arg =~ /[\d]+\.[\d]+\.[\d]+\.[\d]+:[\d]+/ 
              @chimpd_host, @chimpd_port = arg.split(':')
              @chimpd_port = @chimpd_port.to_i
            else
              @chimpd_port = arg.to_i
            end
          end
        when '--chimpd-wait-until-done'
          @use_chimpd = true
          @chimpd_wait_until_done = true
        when '--dry-run', '-n'
          @dry_run = true
        when '--ignore-errors', '-9'
          @ignore_errors = true
        when '--group', '-g'
          @group = arg.to_sym
        when '--group-type'
          @group_type = arg.to_sym
        when '--group-concurrency'
          @group_concurrency = arg.to_i
        when '--job-notes'
          @job_notes = arg
        when '--timing-log'
          @timing_log = arg
        when '--timeout'
          @timeout = arg
        when '--noverify'
          @verify = false
        when '--exact-matching'
          @exact = true
      end
    end

    if @use_chimpd && ( @script.nil? || @script.empty? )
      if @chimpd_wait_until_done == false
        puts "#######################################################"
        puts "ERROR: --script cannot be empty when sending to chimpd"
        puts "#######################################################"
        exit 1
      end
    end


  rescue GetoptLong::InvalidOption => ex
    help
    exit 1
  end

  #
  # Before we're totally done parsing command line options,
  # let's make sure that a few things make sense
  #
  if @group_concurrency > @concurrency
    @concurrency = @group_concurrency
  end
end

#print_timings ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 1047

def print_timings
  ChimpQueue.instance.group[@group].results.each do |task|
    puts "Host: #{task[:host]} Type: #{task[:name]} Time: #{task[:total]} seconds"
  end
end

#process ⇒ Object

Completely process a non-interactive chimp object command This is used by chimpd, when processing a task.



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# File 'lib/right_chimp/Chimp.rb', line 1086

def process
  Chimp.set_failure(false)
  Chimp.set_job_uuid(self.job_uuid)

  Log.debug "[#{Chimp.get_job_uuid}] Processing task"
  # Add to our "processing" counter

  Log.debug "[#{Chimp.get_job_uuid}] Trying to get array_info" unless Chimp.failure
  get_array_info unless Chimp.failure

  Log.debug "[#{Chimp.get_job_uuid}] Trying to get server_info" unless Chimp.failure
  get_server_info unless Chimp.failure

  Log.debug "[#{Chimp.get_job_uuid}] Trying to get template_info" unless Chimp.failure
  get_template_info unless Chimp.failure

  Log.debug "[#{Chimp.get_job_uuid}] Trying to get executable_info" unless Chimp.failure
  get_executable_info unless Chimp.failure

  # All elements of task have been processed
  ChimpDaemon.instance.semaphore.synchronize do
    ChimpDaemon.instance.proc_counter -= 1
  end

  if Chimp.failure

    Log.error "##################################################"
    Log.error "["+self.job_uuid+"] API CALL FAILED FOR:"
    Log.error "["+self.job_uuid+"] chimp #{@cli_args} "
    Log.error "["+self.job_uuid+"] Run manually!"
    Log.error "##################################################"
    return []
  else
    if @servers.first.nil? or @executable.nil?
      Log.warn "[#{Chimp.get_job_uuid}] Nothing to do for \"chimp #{@cli_args}\"."
      return []
    else
      Log.debug "[#{Chimp.get_job_uuid}] Generating job..."
      return generate_jobs(@servers, @server_template, @executable)
    end
  end
end

#queue_runner(concurrency, delay, retry_count, progress) ⇒ Object

Execute the user’s command and provide for retrys etc.



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# File 'lib/right_chimp/Chimp.rb', line 959

def queue_runner(concurrency, delay, retry_count, progress)
  queue = ChimpQueue.instance
  queue.max_threads = concurrency
  queue.delay = delay
  queue.retry_count = retry_count
  total_queue_size = queue.size

  puts "Executing..." unless progress or not quiet
  pbar = ProgressBar.new("Executing", 100) if progress
  queue.start

  queue.wait_until_done(@group) do
    pbar.set(((total_queue_size.to_f - queue.size.to_f)/total_queue_size.to_f*100).to_i) if progress
  end

  pbar.finish if progress
end

#reduce_to_common_scripts(number_of_st) ⇒ Object

Takes the number of st’s to search in, and reduces @op_scripts to only those who are repeated enough times.



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# File 'lib/right_chimp/Chimp.rb', line 780

def reduce_to_common_scripts(number_of_st)
    counts = Hash.new 0
    @op_scripts.each { |s| counts[s[0]] +=1 }

    b = @op_scripts.inject({}) do |res, row|
      res[row[0]] ||= []
      res[row[0]] << row[1]
      res
    end

    b.inject([]) do |res, (key, values)|
      res << [key, values.first] if values.size >= number_of_st
      @op_scripts = res
    end
end

#run ⇒ Object

Entry point for the chimp command line application



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# File 'lib/right_chimp/Chimp.rb', line 96

def run
  queue = ChimpQueue.instance

  arguments = []

  ARGV.each { |arg| arguments << arg.clone }

  self.cli_args=arguments.collect {|param|
    param.gsub(/(?<==).*/) do |match|
      match='"'+match+'"'
    end
  }.join(" ")


  parse_command_line if @interactive

  check_option_validity if @interactive
  disable_logging unless @@verbose


  puts "chimp #{VERSION} executing..." if (@interactive and not @use_chimpd) and not @@quiet

  #
  # Wait for chimpd to complete tasks
  #
  if @chimpd_wait_until_done
    chimpd_wait_until_done
    exit
  end

  #
  # Send the command to chimpd for execution
  #
  if @use_chimpd
    timestamp=Time.now.to_i
    length=6
    self.job_uuid = (36**(length-1) + rand(36**length - 36**(length-1))).to_s(36)
    ChimpDaemonClient.submit(@chimpd_host, @chimpd_port, self,self.job_uuid)
    exit
  else
    #Connect to the Api
    Connection.instance
    if @interactive
      Connection.connect
    else
      Connection.connect_and_cache
    end
  end

  # If we're processing the command ourselves, then go
  # ahead and start making API calls to select the objects
  # to operate upon
  #

  # Get elements if --array has been passed
  get_array_info

  # Get elements if we are searching by tags
  get_server_info

  # At this stage @servers should be populated with our findings
  # Get ST info for all elements
  if not @servers.empty?
    get_template_info unless @servers.empty?

    puts "Looking for the rightscripts (This might take some time)" if (@interactive and not @use_chimpd) and not @@quiet
    get_executable_info
  end

  if Chimp.failure
    #This is the failure point when executing standalone
    Log.error "##################################################"
    Log.error "[#{Chimp.get_job_uuid}] API CALL FAILED FOR:"
    Log.error "[#{Chimp.get_job_uuid}] chimp #{@cli_args} "
    Log.error "[#{Chimp.get_job_uuid}] Run manually!"
    Log.error "##################################################"
    exit 1
  end
  #
  # Optionally display the list of objects to operate on
  # and prompt the user
  #
  if @prompt and @interactive
    list_of_objects = make_human_readable_list_of_objects
    confirm = (list_of_objects.size > 0 and @action != :action_none) or @action == :action_none

    if @script_to_run.nil?
      verify("Your command will be executed on the following:", list_of_objects, confirm)
    else
      verify("Your command \""+@script_to_run.params['right_script']['name']+"\" will be executed on the following:", list_of_objects, confirm)
    end
  end
  #
  # Load the queue with work
  #
  if not @servers.first.nil? and ( not @executable.nil? or @action == :action_ssh or @action == :action_report)
    jobs = generate_jobs(@servers, @server_template, @executable)
    add_to_queue(jobs)
  end

  #
  # Exit early if there is nothing to do
  #
  if @action == :action_none or ( queue.group[@group].nil? || queue.group[@group].size == 0)
    puts "No actions to perform." unless self.quiet
  else
    do_work
  end
end

#search_for_script_in_sts(script, st) ⇒ Object 



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# File 'lib/right_chimp/Chimp.rb', line 724

def search_for_script_in_sts(script, st)
  # Loop and look inside every st
  st.each do |s|
    Log.debug "[#{Chimp.get_job_uuid}] Making API 1.5 call: client.resource(#{s[1]['href']})"
    begin
      temp=Connection.client.resource(s[1]['href'])
    rescue
      Log.error "[#{Chimp.get_job_uuid}] Failed to load href for ST"
    end
    temp.runnable_bindings.index.each do |x|
      # Look for first match
      if x.raw['right_script']['name'].downcase.include?(script.downcase)
        Log.debug "[#{Chimp.get_job_uuid}] Found requested righscript: #{script}"
        # Provide the name + href
        s = Executable.new
        s.params['right_script']['href'] = x.raw['links'].find{|i| i['rel'] == 'right_script'}['href']
        s.params['right_script']['name'] = x.raw['right_script']['name']
        @script_to_run = s
      end
    end
  end
  # If we hit here, we never found the desired script
  return
end

#set_action(a) ⇒ Object

Set the action



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# File 'lib/right_chimp/Chimp.rb', line 980

def set_action(a)
  raise ArgumentError.new "Cannot reset action" unless @action == :action_none
  @action = a
end

#verify_results(group = :default) ⇒ Object

Allow user to verify results and retry if necessary



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# File 'lib/right_chimp/Chimp.rb', line 988

def verify_results(group = :default)
  failed_workers, results_display = get_results(group)

  #
  # If no workers failed, then we're done.
  #
  return true if failed_workers.empty?

  #
  # Some workers failed; offer the user a chance to retry them
  #
  verify("The following objects failed:", results_display, false)

  while true
    puts "(R)etry failed jobs"
    puts "(A)bort chimp run"
    puts "(I)gnore errors and continue"
    command = gets()

    if command =~ /^a/i
      puts "Aborting!"
      exit 1
    elsif command =~ /^i/i
      puts "Ignoring errors and continuing"
      exit 0
    elsif command =~ /^r/i
      puts "Retrying..."
      ChimpQueue.instance.group[group].requeue_failed_jobs!
      return false
    end
  end
end

#verify_tagged_instances(servers, tags) ⇒ Object

Verify that all returned instances from the API match our tag request



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# File 'lib/right_chimp/Chimp.rb', line 535

def verify_tagged_instances(servers,tags)
  array_list = servers
  # servers is an array of hashes
  # verify that each object contains the tags.
  if @match_all
    # has to contain BOTH
    matching_servers = array_list.select { |instance| (tags - instance['tags']).empty? }

  else
    # has to contain ANY
    matching_servers = array_list.select { |instance| tags.any? {|tag| instance['tags'].include?(tag)  }}
  end

  # Shall there be a discrepancy, we need to raise an error and end the run.
  if matching_servers.size != servers.size
    if @ignore_errors
      Log.error "[#{Chimp.get_job_uuid}] #{servers.size - matching_servers.size} instances didnt match tag selection."
      Log.error "[#{Chimp.get_job_uuid}] #{tags.join(" ")}"
      Chimp.set_failure(true)
      Log.error "[#{Chimp.get_job_uuid}] Set failure to true because of discrepancy"

      servers = []
    else
      raise "[#{Chimp.get_job_uuid}] #{servers.size - matching_servers.size} instances didnt match tag selection"
    end
  end

  return servers
end

#warn_if_rightscript_not_in_all_servers(servers, server_template, rightscript_executable) ⇒ Object

Verify that the given rightscript_executable (the object corresponding to the script) that is associated with the server_template exists in all servers (No need to check server arrays, they must all have the same template.)

Returns: none. Prints a warning if any server does not have the script in its template.



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# File 'lib/right_chimp/Chimp.rb', line 1284

def warn_if_rightscript_not_in_all_servers(servers, server_template, rightscript_executable)

  return if servers.length < 2 or not server_template or not rightscript_executable

  main_server_template      = server_template
  main_server_template_name = main_server_template.params['nickname']
  main_server_template_href = main_server_template.params['href']

  # Find which server has the specified template (the "main" template)
  server_that_has_main_template = nil
  for i in (0..servers.length - 1)
    if servers[i] and servers[i]['server_template_href'] == main_server_template_href
      server_that_has_main_template = servers[i]
      break
    end
  end
  if not server_that_has_main_template
    puts "internal error validating rightscript presence in all servers"
    return
  end

  some_servers_have_different_template = false
  num_servers_missing_rightscript      = 0

  for i in (0..servers.length - 1)
    next if servers[i].empty?

    this_server_template_href = servers[i]['server_template_href']

    # If the server's template has the same href, this server is good
    next if this_server_template_href == main_server_template_href

    if not some_servers_have_different_template
      some_servers_have_different_template = true
      if not @@quiet
        puts "Note: servers below have different server templates:"
        puts "      - server '#{server_that_has_main_template['nickname']}: "
        if @@verbose
          puts "                template name: '#{main_server_template_name}'"
          puts "                         href: '#{main_server_template_href}'"
        end
      end
    end

    this_server_template = ::ServerTemplate.find(this_server_template_href)
    next if this_server_template == nil
    if not @@quiet
      puts "      - server '#{servers[i]['nickname']}: "
      if @@verbose
        puts "                template name: '#{this_server_template.params['nickname']}'"
        puts "                         href: '#{this_server_template.params['href']}'"
      end
    end

    # Now check if the offending template has the rightscript in question
    has_script = false
    this_server_template.executables.each do |cur_script|
      if rightscript_executable['right_script']['href'] == cur_script['right_script']['href']
        has_script = true
        break
      end
    end
    if not has_script
      if not @@quiet
        puts "    >>  WARNING: The above server's template does not include the execution rightscript!"
      end
      num_servers_missing_rightscript += 1
      if num_servers_missing_rightscript == 1
        if @@verbose
          puts "                 script name: \'#{rightscript_executable['right_script']['name']}\', href: \'#{rightscript_executable['right_script']['href']}\'"
        end
      end
    end
  end
  if some_servers_have_different_template
    if num_servers_missing_rightscript == 0
      puts "Script OK. The servers have different templates, but they all contain the script, \'#{rightscript_executable['right_script']['name']}\'"
    else
      puts "WARNING: total of #{num_servers_missing_rightscript} servers listed do not have the rightscript in their template."
    end
  else
    if not @@quiet
      puts "Script OK. All the servers share the same template and the script is included in it."
    end
  end
end