Module: RemoteStep::REST

Defined in:
lib/rbbt/workflow/remote_workflow/remote_step/rest.rb

Instance Method Summary collapse

Instance Method Details

#_clean ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 71

def _clean
  begin
    _restart
    cache_files.each do |cache_file|
      Open.rm cache_file
    end
    params = {:_update => :clean}
    @adaptor.clean_url(url, params) if @url
  rescue Exception
    Log.exception $!
  end
end

#_run_job(cache_type = :asynchronous) ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 132

def _run_job(cache_type = :asynchronous)
  get_streams

  task_url = RemoteWorkflow::REST.escape_url(File.join(base_url, task.to_s))
  @adaptor.__prepare_inputs_for_restclient(inputs)
  task_params = inputs.merge(:_cache_type => cache_type, :jobname => base_name, :_format => [:string, :boolean, :tsv, :annotations].include?(result_type) ? :raw : :json)

  if cache_type == :stream or cache_type == :exec and stream_input and inputs[stream_input]
    io =  self.stream_job(task_url, task_params, stream_input, cache_type) 
    return io
  else
    @adaptor.execute_job(base_url, task, task_params, cache_type)
  end
end

#abort ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 32

def abort
  return self if status == :done
  @adaptor.get_json(@url + '?_update=abort') if @url and @name
  self
end

#clean ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 84

def clean
  init_job
  _clean
  self
end

#exec_job ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 27

def exec_job
  res = _run_job(:exec)
  load_res res, result_type == :array ? :json : result_type
end

#get ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 4

def get
  params ||= {}
  params = params.merge(:_format => [:string, :boolean, :tsv, :annotations, :array].include?(result_type.to_sym) ? :raw : :json )
  @cache_result ||= Persist.persist("REST persist", :binary, :file => cache_file + "." + Misc.obj2digest(params)) do
    Misc.insist 3, rand(2) + 1 do
      begin
        init_job if url.nil?
        @adaptor.get_raw(url, params)
      rescue
        Log.exception $!
        raise $!
      end
    end
  end
end

#init_job(cache_type = nil, other_params = {}) ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 38

def init_job(cache_type = nil, other_params = {})
  cache_type = :asynchronous if cache_type.nil? and not @is_exec
  cache_type = :exec if cache_type.nil?
  @last_info_time = nil
  @done = false
  get_streams
  @name ||= Persist.memory("RemoteSteps", :workflow => self, :task => task, :jobname => @name, :inputs => inputs, :cache_type => cache_type) do
    Misc.insist do
      @adaptor.post_jobname(File.join(base_url, task.to_s), inputs.merge(other_params).merge(:jobname => @name||@base_name, :_cache_type => cache_type))
    end
  end
  if Open.remote? @name
    @url = @name
    @name = File.basename(@name)
  else
    @url = File.join(base_url, task.to_s, @name)
  end
  self
end

#load ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 20

def load
  params = {}
  join unless done? or streaming?
  raise get_exception if error? or aborted?
  load_res get
end

#produce(*args) ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 148

def produce(*args)
  @started = true
  init_job
  _run_job
end

#recursive_clean ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 58

def recursive_clean
  Log.warn "Not doing recursive cleans"
  return
  begin
    _restart
    params = {:_update => :recursive_clean}
    @adaptor.get_raw(url, params)
  rescue Exception
    Log.exception $!
  end
  self
end

#stream_job(task_url, task_params, stream_input, cache_type = :exec) ⇒ Object 



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# File 'lib/rbbt/workflow/remote_workflow/remote_step/rest.rb', line 90

def stream_job(task_url, task_params, stream_input, cache_type = :exec)
  require 'rbbt/util/misc/multipart_payload'
  RemoteWorkflow.capture_exception do
    @streaming = true

    Log.debug{ "RestClient stream #{Process.pid}: #{ task_url } #{stream_input} #{cache_type} - #{Misc.fingerprint task_params}" }
    res = RbbtMutiplartPayload.issue task_url, task_params, stream_input, nil, nil, true
    type = res.gets

    out = case type.strip
          when "LOCATION"
            @url = res.gets
            @url.sub!(/\?.*/,'')
            join
            RemoteWorkflow.get_raw(@url)
            @done = true
            @streaming = false
          when /STREAM: (.*)/
            @url = $1.strip
            res.callback = Proc.new do
              Log.medium "Done streaming result from #{@url}"
              @done = true
              @streaming = false
            end
            res
          when "BULK"
            begin
              res.read
            ensure
              @done = true
              @streaming = false
            end
          else
            raise "What? " + type
          end

    ConcurrentStream.setup(out, :filename => @url)

    out
  end
end