Class: WorkflowManager::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/workflow_manager/server.rb

Defined Under Namespace

Classes: Config, KyotoDB, PStoreDB

Constant Summary collapse

@@config = 
nil

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/workflow_manager/server.rb', line 82

def initialize
  @interval = config.interval
  @resubmit = config.resubmit
  extension = NO_KYOTO ? '.pstore' : '.kch'
  db_mode = NO_KYOTO ? 'PStore' : 'KyotoCabinet'
  @db_stat = File.join(config.db_dir, 'statuses'+extension)
  @db_logs  = File.join(config.db_dir, 'logs'+extension)

  @log_dir = File.expand_path(config.log_dir)
  @db_dir  = File.expand_path(config.db_dir)
  FileUtils.mkdir_p @log_dir unless File.exist?(@log_dir)
  FileUtils.mkdir_p @db_dir unless File.exist?(@db_dir)
  #@statuses = KyotoCabinet::DB.new
  @statuses = NO_KYOTO ? PStoreDB.new(@db_stat) : KyotoDB.new(@db_stat)
  #@logs = KyotoCabinet::DB.new 
  @logs = NO_KYOTO ? PStoreDB.new(@db_logs) : KyotoDB.new(@db_logs)
  @system_log = File.join(@log_dir, "system.log")
  @mutex = Mutex.new
  @cluster = config.cluster
  puts("DB = #{db_mode}")
  log_puts("DB = #{db_mode}")
  log_puts("Server starts")
end

Class Method Details

.config ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 40

def self.config
  @@config
end

.config=(config) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 37

def self.config=(config)
  @@config = config
end

.configure {|@@config| ... } ⇒ Object

Yields:



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# File 'lib/workflow_manager/server.rb', line 46

def self.configure
  @@config = Config.new
  # default values
  @@config.log_dir  = LOG_DIR
  @@config.db_dir   = DB_DIR
  @@config.interval = INTERVAL  # interval to check jobs, [s]
  @@config.resubmit = RESUBMIT  # how many times at maximum to resubmit when job fails
  yield(@@config)
  if @@config.cluster
    @@config.cluster.log_dir = File.expand_path(@@config.log_dir)
  end
  @@config
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 43

def config
  @@config ||= WorkflowManager.configure{}
end

#copy_commands(org_dir, dest_parent_dir) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 108

def copy_commands(org_dir, dest_parent_dir)
  @cluster.copy_commands(org_dir, dest_parent_dir)
end

#get_log(job_id, with_err = false) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 236

def get_log(job_id, with_err=false)
  log_file = nil
  @logs.transaction do |logs|
    log_file = logs[job_id.to_s]
  end
  log_data = if log_file and File.exist?(log_file)
               "__STDOUT LOG__\n\n" + File.read(log_file)
             else
               'no log file'
             end
  if with_err
    err_file = log_file.gsub(/_o\.log/,'_e.log')
    if err_file and File.exist?(err_file)
      log_data << "\n\n__STDERR LOG__\n\n"
      log_data << File.read(err_file)
    end
  end
  log_data
end

#get_script(job_id) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 255

def get_script(job_id)
  script_file = nil
  @logs.transaction do |logs|
    script_file = logs[job_id.to_s]
  end
  if script_file
    script_file = script_file.gsub(/_o\.log/,'')
  end
  script = if script_file and File.exist?(script_file)
             File.read(script_file)
           else
             'no script file'
           end
  script
end

#hello ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 105

def hello
  'hello, '+ @cluster.name
end

#job_list(with_results = false, project_number = nil) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 219

def job_list(with_results=false, project_number=nil)
  s = []
  #@statuses.open(@db_stat)
  @statuses.transaction do |statuses|
    statuses.each do |key, value|
      if project_number 
        if x = value.split(/,/)[4].to_i==project_number.to_i
          s << [key, value]
        end
      else
        s << [key, value]
      end
    end
  #@statuses.close
  end
  s.sort.reverse.map{|v| v.join(',')}.join("\n")
end

#log_puts(str) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 111

def log_puts(str)
  time = Time.now.strftime("[%Y.%m.%d %H:%M:%S]")
  @mutex.synchronize do
     open(@system_log, "a") do |out|
       out.print time + " " + str + "\n"
     end
  end
end

#start_monitoring(submit_command, user = 'sushi lover', resubmit = 0, script = '', project_number = 0, sge_options = '', log_dir = '') ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 119

def start_monitoring(submit_command, user = 'sushi lover', resubmit = 0, script = '', project_number = 0, sge_options='', log_dir = '')
  log_puts("monitoring: script=" + submit_command + " user=" + user + " resubmit=" + resubmit.to_s + " project=" + project_number.to_s + " sge option=" + sge_options + " log dir=" + log_dir.to_s)

  #warn submit_command
  #
  # TODO: analyze arguments
  #
  job_id, log_file, command = @cluster.submit_job(submit_command, script, sge_options)
  log_puts("submit: " + job_id + " " + command)

  #
  # monitor worker
  #
  if job_id and log_file
    monitor_worker = Thread.new(job_id, log_file, submit_command, user, resubmit, script, project_number, sge_options, log_dir) do |t_job_id, t_log_file, t_submit_command, t_user, t_resubmit, t_script, t_project_number, t_sge_options, t_log_dir|
      loop do
        status = success_or_fail(t_job_id, t_log_file) 
        script_name = File.basename(submit_command).split(/-/).first
        #@statuses.open(@db_stat)
        @statuses.transaction do |statuses|
        #start_time = if stat = @statuses[t_job_id] and stat = stat.split(/,/) and time = stat[2]
          start_time = if stat = statuses[t_job_id] and stat = stat.split(/,/) and time = stat[2]
                         time
                       end
          time = if start_time 
                   if status == 'success' or status == 'fail'
                     start_time + '/' + Time.now.strftime("%Y-%m-%d %H:%M:%S")
                   else
                     start_time
                   end
                 else
                   Time.now.strftime("%Y-%m-%d %H:%M:%S")
                 end
        #@statuses[t_job_id] = [status, script_name, time, user, project_number].join(',')
          statuses[t_job_id] = [status, script_name, time, user, project_number].join(',')
        #@statuses.close
        end
        @logs.transaction do |logs|
          logs[t_job_id] = t_log_file
        end
        #warn t_job_id + " " + status
        if status == 'success'
          log_puts(status + ": " + t_job_id)
          unless t_log_dir.empty?
            copy_commands(t_log_file, t_log_dir).each do |command|
              log_puts(command)
              system command
            end
            err_file = t_log_file.gsub('_o.log','_e.log')
            copy_commands(err_file, t_log_dir).each do |command|
              log_puts(command)
              system command
            end
          end
          Thread.current.kill
        elsif status == 'fail'
          log_puts(status + ": " + t_job_id)
          #
          # TODO: re-submit
          #
          if t_resubmit < RESUBMIT
            log_puts("resubmit: " + t_job_id)
            resubmit_job_id = start_monitoring(t_submit_command, t_user, t_resubmit + 1, t_script, t_project_number, t_sge_options)
            script_name = File.basename(submit_command).split(/-/).first
            #@statuses.open(@db_stat)
            @statuses.transaction do |statuses|
              statuses[t_job_id] = ["resubmit: " + resubmit_job_id.to_s, script_name, Time.now.strftime("%Y-%m-%d %H:%M:%S"), t_user, t_project_number].join(',')
            #@statuses.close
            end
          else
            log_puts("fail: " + t_job_id)
          end
          unless t_log_dir.empty?
            copy_commands(t_log_file, t_log_dir).each do |command|
              log_puts(command)
              system command
            end
            err_file = t_log_file.gsub('_o.log','_e.log')
            copy_commands(err_file, t_log_dir).each do |command|
              log_puts(command)
              system command
            end
          end
          Thread.current.kill
        end
        sleep @interval
      end	
    end
    job_id.to_i
  end
end

#status(job_id) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 210

def status(job_id)
  stat = nil
  #@statuses.open(@db_stat)
  @statuses.transaction do |statuses|
    stat = statuses[job_id.to_s]
  #@statuses.close
  end
  stat
end

#success_or_fail(job_id, log_file) ⇒ Object 



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# File 'lib/workflow_manager/server.rb', line 270

def success_or_fail(job_id, log_file)
  job_running = @cluster.job_running?(job_id)
  job_ends = @cluster.job_ends?(log_file)
  msg = if job_running
          'running'
        elsif job_ends
          'success'
        else
          'fail'
        end
  msg
end