Class: QstatXmlRListener

Inherits:
Object
  • Object
show all
Includes:
REXML::StreamListener
Defined in:
lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb

Overview

An XML stream listener to build an array of OodCore::Job::Info from qstat output

Handles parsing `qstat -xml -r` which provides: :accounting_id :id :job_name :job_owner :procs :queue_name :status :wallclock_limit

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ QstatXmlRListener

Returns a new instance of QstatXmlRListener.



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 22

def initialize
  @parsed_jobs = []
  @current_job = {
    :tasks => [],
    :native => {
      :ST_name => ''
    } 
  }
  @current_text = nil
  @processing_JB_stdout_path_list = false

  @current_request = nil
  @native_tags = ['JB_job_number', 'JB_job_name', 'JB_version', 'JB_project', 'JB_exec_file', 'JB_script_file', 'JB_script_size', 'JB_submission_time', 'JB_execution_time', 'JB_deadline', 'JB_owner', 'JB_uid', 'JB_group', 'JB_gid', 'JB_account', 'JB_cwd', 'JB_notify', 'JB_type', 'JB_reserve', 'JB_priority', 'JB_jobshare', 'JB_verify', 'JB_checkpoint_attr', 'JB_checkpoint_interval', 'JB_restart']
end

Instance Attribute Details

#parsed_jobs ⇒ Object (readonly)

Array<Hash> 


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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 18

def parsed_jobs
  @parsed_jobs
end

Instance Method Details

#add_child_tasks ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 165

def add_child_tasks
  @current_job[:tasks] = OodCore::Job::ArrayIds.new(@current_text).ids.sort.map{
    |task_id| { :id => task_id, :status => :queued }
  }
end

#end_hard_req_queue ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 126

def end_hard_req_queue
  @current_job[:queue_name] = @current_text
end

#end_hard_request ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 138

def end_hard_request
  return nil if @current_request.nil?

  case @current_request
  when 'h_rt'  # hard run time limit
    @current_job[:wallclock_limit] = @current_text.to_i
  end
end

#end_JAT_start_time ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 134

def end_JAT_start_time
  @current_job[:dispatch_time] = DateTime.parse(@current_text).to_time.to_i
end

#end_JB_job_number ⇒ Object

Attributes we need



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 101

def end_JB_job_number
  @current_job[:id] = @current_text
end

#end_JB_name ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 113

def end_JB_name
  @current_job[:job_name] = @current_text
end

#end_JB_owner ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 105

def end_JB_owner
  @current_job[:job_owner] = @current_text
end

#end_JB_project ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 109

def end_JB_project
  @current_job[:accounting_id] = @current_text
end

#end_JB_submission_time ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 130

def end_JB_submission_time
  @current_job[:submission_time] = DateTime.parse(@current_text).to_time.to_i
end

#end_job_list ⇒ Object

Store a completed job and reset current_job for the next pass



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 157

def end_job_list
  @parsed_jobs << @current_job
  @current_job = {
    :tasks => [],
    :native => {}
  }
end

#end_PN_path ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 147

def end_PN_path
  @current_job[:native][:PN_path] = @current_text if @processing_JB_stdout_path_list
  @processing_JB_stdout_path_list = false
end

#end_slots ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 122

def end_slots
  @current_job[:procs] = @current_text.to_i
end

#end_ST_name ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 152

def end_ST_name
  @current_job[:native][:ST_name] = @current_job[:native][:ST_name] + @current_text + ' '
end

#end_state ⇒ Object

Note that this is the native SGE type



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 118

def end_state
  @current_job[:status] = @current_text
end

#start_hard_request(attributes) ⇒ Object

Handle hard_request tags

Multiple hard_request tags may be present and will be differentiated using their name attribute



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 92

def start_hard_request(attributes)
  if attributes.key?('name')
    @current_request = attributes['name']
  else
    @current_request = nil
  end
end

#tag_end(name) ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 46

def tag_end(name)
  #Add text if in native_tags
  if (@native_tags.include?(name))
    @current_job[:native][:"#{name}"] = @current_text
  end
  
  case name
  when 'job_list'
    end_job_list
  when 'JB_job_number'
    end_JB_job_number
  when 'JB_name'
    end_JB_name
  when 'JB_owner'
    end_JB_owner
  when 'JB_project'
    end_JB_project
  when 'state'
    end_state
  when 'slots'
    end_slots
  when 'JB_submission_time'
    end_JB_submission_time
  when 'hard_req_queue'
    end_hard_req_queue
  when 'JAT_start_time'
    end_JAT_start_time
  when 'hard_request'
    end_hard_request
  when 'tasks'
    add_child_tasks
  when 'PN_path'
    end_PN_path
  when 'ST_name'
    end_ST_name
  end
end

#tag_start(name, attributes) ⇒ Object 



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 37

def tag_start(name, attributes)
  case name
  when 'hard_request'
    start_hard_request(attributes)
  when "JB_stdout_path_list"
    @processing_JB_stdout_path_list = true
  end
end

#text(text) ⇒ Object

Always store text nodes temporarily



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# File 'lib/ood_core/job/adapters/sge/qstat_xml_r_listener.rb', line 85

def text(text)
  @current_text = text
end