Class: Origen::Application::LSFManager

Inherits:
Object
  • Object
show all
Includes:
Callbacks
Defined in:
lib/origen/application/lsf_manager.rb

Overview

This class is responsible for co-ordinating and monitoring all submissions to the LSF. This is in contrast to Origen::Application::LSF which is an API for talking to the LSF.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Callbacks

#register_callback_listener

Constructor Details

#initialize ⇒ LSFManager

Returns a new instance of LSFManager.



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# File 'lib/origen/application/lsf_manager.rb', line 14

def initialize
end

Instance Attribute Details

#current_command ⇒ Object

This will be set by the command dispatcher to reflect the currently executing command. If LSF jobs are spawned with the same command then any options passed to the parent command will automatically be forwarded to the children.



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# File 'lib/origen/application/lsf_manager.rb', line 12

def current_command
  @current_command
end

Instance Method Details

#add_command_option(*opts) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 470

def add_command_option(*opts)
  @command_options ||= []
  @command_options += opts
end

#build_log(_options = {}) ⇒ Object

Build the log file from the completed jobs



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# File 'lib/origen/application/lsf_manager.rb', line 243

def build_log(_options = {})
  Origen.log.info '*' * 70
  completed_jobs.each do |job|
    File.open(log_file(job[:id])) do |f|
      last_line_blank = false
      f.readlines.each do |line|
        # Capture and combine the per job stats that look like this:
        #   Total patterns:   1              1347      0.003674
        #   New patterns:     0
        #   Changed patterns: 1
        #   FAILED patterns:  1
        #   Total files:      1
        #   New files:        0
        #   Changed files:    0
        #   FAILED files:     1
        begin
          line.gsub!(/\e\[\d+m/, '')  # Remove any coloring
          if line =~ /Total patterns:\s+(\d+)/
            stats.completed_patterns += Regexp.last_match[1].to_i
          elsif line =~ /Total vectors:\s+(\d+)/
            stats.total_vectors += Regexp.last_match[1].to_i
          elsif line =~ /Total duration:\s+(\d+\.\d+)/
            stats.total_duration += Regexp.last_match[1].to_f
          elsif line =~ /Total files:\s+(\d+)/
            stats.completed_files += Regexp.last_match[1].to_i
          elsif line =~ /Changed patterns:\s+(\d+)/
            stats.changed_patterns += Regexp.last_match[1].to_i
          elsif line =~ /Changed files:\s+(\d+)/
            stats.changed_files += Regexp.last_match[1].to_i
          elsif line =~ /New patterns:\s+(\d+)/
            stats.new_patterns += Regexp.last_match[1].to_i
          elsif line =~ /New files:\s+(\d+)/
            stats.new_files += Regexp.last_match[1].to_i
          elsif line =~ /FAILED patterns:\s+(\d+)/
            stats.failed_patterns += Regexp.last_match[1].to_i
          elsif line =~ /FAILED files:\s+(\d+)/
            stats.failed_files += Regexp.last_match[1].to_i
          elsif line =~ /ERROR!/
            stats.errors += 1
            Origen.log.send :relog, line
          else
            # Compress multiple blank lines
            if line =~ /^\s*$/ || line =~ /.*\|\|\s*$/
              unless last_line_blank
                Origen.log.info
                last_line_blank = true
              end
            else
              # Screen std origen output
              unless line =~ /  origen save/ ||
                     line =~ /Insecure world writable dir/ ||
                     line =~ /To save all of/
                line.strip!
                # line.sub!(/.*\|\| /, '')
                Origen.log.send :relog, line
                last_line_blank = false
              end
            end
          end
        rescue
          # Sometimes illegal UTF-8 characters can get into crash dumps, if this
          # happens just print the line out rather than die
          Origen.log.error line
        end
      end
    end
  end
  Origen.log.info '*' * 70
  stats.print_summary
end

#classify_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 479

def classify_jobs
  clear_caches
  queuing_job_ids = Origen.app.lsf.queuing_job_ids
  running_job_ids = Origen.app.lsf.running_job_ids
  remote_jobs.each do |_id, job|
    # If the status has already been determined send it straight to the bucket
    if job[:status]
      send("#{job[:status]}_jobs") << job
    else
      if job[:lsf_id] == :error
        job[:status] = :lost
        lost_jobs << job
      elsif job_completed?(job[:id])
        if job_passed?(job[:id])
          job[:status] = :passed
          passed_jobs << job
        elsif job_failed?(job[:id])
          job[:status] = :failed
          failed_jobs << job
        end
      else
        if running_job_ids.include?(job[:lsf_id])
          running_jobs << job
          # Once we have assigned a job as running make sure the job is marked as started
          # It can flicker back to queued if the started file takes a long time to arrive
          # from the remote host
          job_started(job[:lsf_id])
        elsif queuing_job_ids.include?(job[:lsf_id])
          queuing_jobs << job
        elsif job_started?(job[:id])
          # There can be considerable latency between the job writing the passed/failed
          # file remotely and it showing up on the local machine.
          # Give some buffer to that before declaring the file lost.
          if job[:completed_at]
            if (Time.now - job[:completed_at]) < 60
              running_jobs << job
            else
              lost_jobs << job
            end
          else
            job[:completed_at] = Time.now
            running_jobs << job
          end
        # Give jobs submitted less than a minute ago the benefit of the
        # doubt, they may not have shown up in bjobs yet
        elsif (Time.now - job[:submitted_at]) < 60
          queuing_jobs << job
        else
          lost_jobs << job
        end
      end
    end
  end
end

#clear(options) ⇒ Object

Clear jobs from memory



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# File 'lib/origen/application/lsf_manager.rb', line 195

def clear(options)
  if options[:type]
    if options[:type] == :all
      File.delete(remote_jobs_file) if File.exist?(remote_jobs_file)
      @remote_jobs = {}
      return
    else
      send("#{options[:type]}_jobs").each do |job|
        remote_jobs.delete(job[:id])
      end
    end
  else
    remote_jobs.delete(options[:id])
  end
end

#clear_all ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 211

def clear_all
  File.delete(remote_jobs_file) if File.exist?(remote_jobs_file)
  if File.exist?(log_file_directory)
    FileUtils.rm_rf(log_file_directory)
  end
  FileUtils.mkdir_p(log_file_directory)
  @remote_jobs = {}
  clear_caches
end

#clear_caches ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 534

def clear_caches
  @running_jobs = nil
  @queuing_jobs = nil
  @passed_jobs = nil
  @failed_jobs = nil
  @lost_jobs = nil
end

#command_options(command_str) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 425

def command_options(command_str)
  command_str.sub(/origen\s*/, '') =~ /(\w+)/
  command = Regexp.last_match[1]
  command = ORIGEN_COMMAND_ALIASES[command] || command
  if command == current_command
    @command_options
  else
    ''
  end
end

#command_options=(opts) ⇒ Object

This will be called by the command dispatcher to record any options that were passed in when launching the current command. These will be automatically appended if the current command spawns any LSF jobs that will invoke the same command.



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# File 'lib/origen/application/lsf_manager.rb', line 440

def command_options=(opts)
  # Ensure these options are removed, these are either incompatible with the LSF,
  # or will already have been added elsewhere
  {
    ['-h', '--help']        => false,
    ['-w', '--wait']        => false,
    ['-d', '--debug']       => false,
    ['-c', '--continue']    => false,
    '--exec_remote'         => false,
    ['-t', '--target']      => '*',
    ['-e', '--environment'] => '*',
    '--id'                  => '*',
    ['-l', '--lsf']         => %w(add clear)
  }.each do |names, values|
    [names].flatten.each do |name|
      ix = opts.index(name)
      if ix
        opts.delete_at(ix)
        [values].flatten.each do |value|
          if value && (value == '*' || opts[ix] == value)
            opts.delete_at(ix)
          end
        end
      end
    end
  end
  @command_options ||= []
  @command_options += opts
end

#command_prefix(id, dependents) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 410

def command_prefix(id, dependents)
  origen = `which origen`
  # http://rubular.com/r/wgKi73KjUo
  if origen =~ /(^\/run\/pkg\/fs-origen-\/[^\/]+)/
    prefix = "source #{Regexp.last_match[1]}/origen_setup; "
  else
    prefix = "cd #{Origen.top}; source source_setup; "
  end
  prefix += "cd #{Origen.root}; origen l --execute --id #{id} "
  unless dependents.empty?
    prefix += "--dependents #{dependents.join(',')} "
  end
  prefix
end

#completed_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 550

def completed_jobs
  passed_jobs + failed_jobs
end

#execute_remotely(options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 619

def execute_remotely(options = {})
  job_started(options[:id])
  begin
    if options[:dependents]
      wait_for_completion(ids:                      options[:dependents],
                          poll_duration_in_seconds: 1,
                          # Don't wait long by the time this runs the LSF
                          # should have guaranteed the job has run
                          timeout_in_seconds:       120
                         )
      unless options[:dependents].all? { |id| job_passed?(id) }
        File.open(log_file(options[:id]), 'w') do |f|
          f.puts "*** ERROR! *** #{options[:cmd].join(' ')} ***"
          f.puts 'Dependents failed!'
        end
        fail 'Dependents failed!'
      end
    end
    if options[:cmd].is_a?(Array)
      cmd = options[:cmd].join(' ')
    else
      cmd = options[:cmd]
    end
    output = `#{cmd} 2>&1`
    File.open(log_file(options[:id]), 'w') do |f|
      f.write output
    end
    if $CHILD_STATUS.success?
      job_passed(options[:id])
    else
      job_failed(options[:id])
    end
  rescue
    job_failed(options[:id])
  end
end

#extract_ids(jobs_or_ids) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 388

def extract_ids(jobs_or_ids)
  jobs_or_ids.map { |j| j.is_a?(Hash) ? j[:id] : j }
end

#failed_file(id) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 328

def failed_file(id)
  "#{log_file_directory}/#{log_file_name(id)}.failed"
end

#failed_jobs ⇒ Object

Failed jobs are those that started to produce a log file but did not complete



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# File 'lib/origen/application/lsf_manager.rb', line 559

def failed_jobs
  @failed_jobs ||= []
end

#generate_job_id ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 593

def generate_job_id
  "#{Time.now.to_f}".gsub('.', '')
end

#job_completed?(id) ⇒ Boolean

Returns trus if the given job ID generated a complete file when run on the LSF. The complete file is created at the end of a job run and its presence indicates that the job ran and got past the generation/compile stage without crashing.

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 572

def job_completed?(id)
  job_started?(id) &&
    (job_passed?(id) || job_failed?(id))
end

#job_failed(id) ⇒ Object

Register that the given job ID has failed on the LSF



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# File 'lib/origen/application/lsf_manager.rb', line 347

def job_failed(id)
  `touch #{failed_file(id)}`
end

#job_failed?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 589

def job_failed?(id)
  File.exist?(failed_file(id))
end

#job_passed(id) ⇒ Object

Register that the given job ID has completed successfully on the LSF



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# File 'lib/origen/application/lsf_manager.rb', line 342

def job_passed(id)
  `touch #{passed_file(id)}`
end

#job_passed?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 585

def job_passed?(id)
  File.exist?(passed_file(id))
end

#job_running?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 577

def job_running?(id)
  !job_completed?(id)
end

#job_started(id) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 351

def job_started(id)
  `touch #{started_file(id)}`
end

#job_started?(id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 581

def job_started?(id)
  File.exist?(started_file(id))
end

#log_file(id) ⇒ Object

Returns the logfile that should be used by a given process on the LSF, this should be be guaranteed to be unique



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# File 'lib/origen/application/lsf_manager.rb', line 316

def log_file(id)
  "#{log_file_directory}/#{log_file_name(id)}"
end

#log_file_directory ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 337

def log_file_directory
  "#{Origen.root}/.lsf/remote_logs"
end

#log_file_name(id) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 332

def log_file_name(id)
  # host = `hostname`.strip
  "#{id}.txt"
end

#lost_jobs ⇒ Object

Lost jobs are ones that for whatever reason did not start, or at least get far enough to log that they started



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# File 'lib/origen/application/lsf_manager.rb', line 565

def lost_jobs
  @lost_jobs ||= []
end

#on_origen_shutdown(_options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 609

def on_origen_shutdown(_options = {})
  save_remote_jobs if @remote_jobs
end

#outstanding_jobs? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/origen/application/lsf_manager.rb', line 190

def outstanding_jobs?
  (running_jobs + queuing_jobs).size > 0
end

#passed_file(id) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 320

def passed_file(id)
  "#{log_file_directory}/#{log_file_name(id)}.passed"
end

#passed_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 554

def passed_jobs
  @passed_jobs ||= []
end

#print_details(options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 125

def print_details(options = {})
  if options[:id]
    Origen.log.info "Job: #{options[:id]}"
    Origen.log.info '----' + '-' * options[:id].length
    print_details_of(remote_jobs[options[:id]])
  else
    options[:type] ||= :all
    if options[:type] == :all || options[:type] == :queuing
      Origen.log.info ''
      Origen.log.info 'Queuing'
      Origen.log.info '-------'
      queuing_jobs.each { |j| print_details_of(j) }
    end
    if options[:type] == :all || options[:type] == :running
      Origen.log.info ''
      Origen.log.info 'Running'
      Origen.log.info '-------'
      running_jobs.each { |j| print_details_of(j) }
    end
    if options[:type] == :all || options[:type] == :lost
      Origen.log.info ''
      Origen.log.info 'Lost'
      Origen.log.info '----'
      lost_jobs.each { |j| print_details_of(j) }
    end
    if options[:type] == :all || options[:type] == :passed
      Origen.log.info ''
      Origen.log.info 'Passed'
      Origen.log.info '------'
      passed_jobs.each { |j| print_details_of(j) }
    end
    if options[:type] == :all || options[:type] == :failed
      Origen.log.info ''
      Origen.log.info 'Failed'
      Origen.log.info '------'
      failed_jobs.each { |j| print_details_of(j) }
    end
  end
end

#print_details_of(job) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 165

def print_details_of(job)
  Origen.log.info "#{job[:command]} #{job[:switches]}".gsub(' --exec_remote', '')
  Origen.log.info "ID: #{job[:id]}"
  Origen.log.info "Submitted: #{time_ago(job[:submitted_at])}"
  Origen.log.info ''
end

#print_status(options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 75

def print_status(options = {})
  options = {
    print_insructions: true
  }.merge(options)
  if options[:verbose]
    print_details(options)
  end
  Origen.log.info ''
  Origen.log.info 'LSF Status'
  Origen.log.info '----------'
  Origen.log.info "Queuing:    #{queuing_jobs.size}"
  Origen.log.info "Running:    #{running_jobs.size}"
  Origen.log.info "Lost:       #{lost_jobs.size}"
  Origen.log.info ''
  Origen.log.info "Passed:     #{passed_jobs.size}"
  Origen.log.info "Failed:     #{failed_jobs.size}"
  Origen.log.info ''
  if options[:print_insructions]
    Origen.log.info 'Common tasks'
    Origen.log.info '------------'
    if queuing_jobs.size > 0
      Origen.log.info 'Queuing'
      Origen.log.info ' Show details: origen l -v -t queuing'
      Origen.log.info ' Re-submit:    origen l -r -t queuing'
    end
    if running_jobs.size > 0
      Origen.log.info 'Running'
      Origen.log.info ' Show details: origen l -v -t running'
      Origen.log.info ' Re-submit:    origen l -r -t running'
    end
    if lost_jobs.size > 0
      Origen.log.info 'Lost'
      Origen.log.info ' Show details: origen l -v -t lost'
      Origen.log.info ' Re-submit:    origen l -r -t lost'
    end
    if passed_jobs.size > 0
      Origen.log.info 'Passed'
      Origen.log.info ' Build log:    origen l -l'
    end
    if failed_jobs.size > 0
      Origen.log.info 'Failed'
      Origen.log.info ' Show details: origen l -v -t failed'
      Origen.log.info ' Re-submit:    origen l -r -t failed'
    end
    Origen.log.info ''
    Origen.log.info 'Reset the LSF manager (clear all jobs): origen lsf -c -t all'
    Origen.log.info ''
  end
end

#queuing_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 546

def queuing_jobs
  @queuing_jobs ||= []
end

#remote_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 475

def remote_jobs
  @remote_jobs ||= restore_remote_jobs || {}
end

#remote_jobs_file ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 17

def remote_jobs_file
  "#{Origen.root}/.lsf/remote_jobs"
end

#restore_remote_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 597

def restore_remote_jobs
  if File.exist?(remote_jobs_file)
    File.open(remote_jobs_file) do |f|
      begin
        Marshal.load(f)
      rescue
        nil
      end
    end
  end
end

#resubmit(options) ⇒ Object

Resubmit jobs



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# File 'lib/origen/application/lsf_manager.rb', line 222

def resubmit(options)
  if options[:type]
    if options[:type] == :all
      remote_jobs.each do |_id, job|
        resubmit_job(job)
      end
    else
      send("#{options[:type]}_jobs").each do |job|
        resubmit_job(job)
      end
    end
  else
    resubmit_job(remote_jobs[options[:id]])
  end
end

#resubmit_job(job) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 355

def resubmit_job(job)
  [log_file(job[:id]), passed_file(job[:id]), failed_file(job[:id]), started_file(job[:id])].each do |file|
    FileUtils.rm_f(file) if File.exist?(file)
  end
  job[:lsf_id] = Origen.app.lsf.submit(command_prefix(job[:id], job[:dependents_ids]) + job[:command] + job[:switches], dependents: job[:dependents_lsf_ids])
  job[:status] = nil
  job[:completed_at] = nil
  job[:submitted_at] = Time.now
  job[:submissions] += 1
end

#running_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 542

def running_jobs
  @running_jobs ||= []
end

#save_remote_jobs ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 613

def save_remote_jobs
  File.open(remote_jobs_file, 'w') do |f|
    Marshal.dump(@remote_jobs, f)
  end
end

#started_file(id) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 324

def started_file(id)
  "#{log_file_directory}/#{log_file_name(id)}.started"
end

#stats ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 238

def stats
  Origen.app.stats
end

#submit_job(command, options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 366

def submit_job(command, options = {})
  options = {
    lsf_option_string: ''
  }.merge(options)
  switches = [' ', options[:lsf_option_string], command_options(command)].flatten.compact.join(' ')
  id = generate_job_id
  dependents_ids = extract_ids([options[:depend], options[:depends], options[:dependent], options[:dependents]].flatten.compact)
  dependents_lsf_ids = dependents_ids.map { |dep_id| remote_jobs[dep_id][:lsf_id] }
  lsf_id = Origen.app.lsf.submit(command_prefix(id, dependents_ids) + command + switches, dependents: dependents_lsf_ids)
  job_attrs = {
    id:                 id,
    lsf_id:             lsf_id,
    command:            command,
    submitted_at:       Time.now,
    submissions:        1,
    switches:           switches,
    dependents_ids:     dependents_ids,
    dependents_lsf_ids: dependents_lsf_ids
  }
  remote_jobs[id] = job_attrs
end

#submit_origen_job(cmd, options = {}) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 392

def submit_origen_job(cmd, options = {})
  if options[:action]
    action = options[:action] == :pattern ? ' generate' : " #{options[:action]}"
  else
    action = ''
  end

  str = "#{action} #{cmd}".strip
  str.sub('origen ', '') if str =~ /^origen /

  # Append the --exec_remote switch to all Origen commands, this allows command
  # processing to be altered based on whether it is running locally or
  # remotely by testing Origen.running_remotely?
  str += ' --exec_remote'

  submit_job("origen #{str}", options)
end

#time_ago(time) ⇒ Object 



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# File 'lib/origen/application/lsf_manager.rb', line 172

def time_ago(time)
  seconds = (Time.now - time).to_i
  if seconds < 60
    unit = 'second'
    number = seconds
  elsif seconds < 3600
    unit = 'minute'
    number = seconds / 60
  elsif seconds < 86_400
    unit = 'hour'
    number = seconds / 3600
  else
    unit = 'day'
    number = seconds / 86_400
  end
  "#{number} #{unit}#{number > 1 ? 's' : ''} ago"
end

#wait_for_completion(options = {}) ⇒ Object

Waits for all jobs to complete, will retry lost jobs (optionally failed jobs).

Alternatively supply an :id or an array of :ids to wait only for specific job(s) to complete.



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# File 'lib/origen/application/lsf_manager.rb', line 26

def wait_for_completion(options = {})
  options = {
    max_lost_retries:         10,
    max_fail_retries:         0,
    poll_duration_in_seconds: 10,
    timeout_in_seconds:       3600
  }.merge(options)
  options[:start_time] ||= Time.now
  if Time.now - options[:start_time] < options[:timeout_in_seconds]
    # When waiting for ids we will hold by monitoring for the result
    # files directly, rather than using the generatic classify routine.
    # This is because the most common use case for this is when jobs
    # are idling remotely on the LSF and don't want to run into contention
    # issues when multiple processes try to classify/save the status.
    if options[:id] || options[:ids]
      ids = extract_ids([options[:id], options[:ids]].flatten.compact)
      if ids.any? { |id| job_running?(id) }
        sleep options[:poll_duration_in_seconds]
        wait_for_completion(options)
      end

    else
      classify_jobs
      print_status(print_insructions: false)
      sleep options[:poll_duration_in_seconds]
      classify_jobs
      resumitted = false
      lost_jobs.each do |job|
        if job[:submissions] < options[:max_lost_retries] + 1
          resubmit_job(job)
          resumitted = true
        end
      end
      failed_jobs.each do |job|
        if job[:submissions] < options[:max_fail_retries] + 1
          resubmit_job(job)
          resumitted = true
        end
      end
      classify_jobs
      if outstanding_jobs? || resumitted
        wait_for_completion(options)
      else
        print_status
      end
    end
  end
end