5 # arv-run-pipeline-instance --template pipeline-template-uuid [options] [--] [parameters]
6 # arv-run-pipeline-instance --instance pipeline-instance-uuid [options]
8 # Satisfy a pipeline template by finding or submitting a mapreduce job
9 # for each pipeline component.
13 # [--template uuid] Use the specified pipeline template.
15 # [--template path] Load the pipeline template from the specified
18 # [--instance uuid] Use the specified pipeline instance.
20 # [-n, --dry-run] Do not start any new jobs or wait for existing jobs
21 # to finish. Just find out whether jobs are finished,
22 # queued, or running for each component
24 # [--submit] Do not try to satisfy any components. Just
25 # create an instance, print its UUID to
28 # [--no-wait] Make only as much progress as possible without entering
31 # [--no-reuse] Do not reuse existing jobs to satisfy pipeline
32 # components. Submit a new job for every component.
34 # [--debug] Print extra debugging information on stderr.
36 # [--debug-level N] Increase amount of debugging information. Default
37 # 1, possible range 0..3.
39 # [--status-text path] Print plain text status report to a file or
40 # fifo. Default: /dev/stdout
42 # [--status-json path] Print JSON status report to a file or
43 # fifo. Default: /dev/null
47 # [param_name=param_value]
49 # [param_name param_value] Set (or override) the default value for
50 # every parameter with the given name.
52 # [component_name::param_name=param_value]
53 # [component_name::param_name param_value]
54 # [--component_name::param_name=param_value]
55 # [--component_name::param_name param_value] Set the value of a
56 # parameter for a single
59 class WhRunPipelineInstance
62 $application_version = 1.0
64 if RUBY_VERSION < '1.9.3' then
66 #{$0.gsub(/^\.\//,'')} requires Ruby version 1.9.3 or higher.
70 $arvados_api_version = ENV['ARVADOS_API_VERSION'] || 'v1'
71 $arvados_api_host = ENV['ARVADOS_API_HOST'] or
72 abort "#{$0}: fatal: ARVADOS_API_HOST environment variable not set."
73 $arvados_api_token = ENV['ARVADOS_API_TOKEN'] or
74 abort "#{$0}: fatal: ARVADOS_API_TOKEN environment variable not set."
82 require 'google/api_client'
86 #{$0}: fatal: #{l.message}
87 Some runtime dependencies may be missing.
88 Try: gem install arvados pp google-api-client json trollop
92 def debuglog(message, verbosity=1)
93 $stderr.puts "#{File.split($0).last} #{$$}: #{message}" if $debuglevel >= verbosity
98 original_verbosity = $VERBOSE
101 $VERBOSE = original_verbosity
106 if $arvados_api_host.match /local/
107 # You probably don't care about SSL certificate checks if you're
108 # testing with a dev server.
109 suppress_warnings { OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE }
112 class Google::APIClient
113 def discovery_document(api, version)
115 return @discovery_documents["#{api}:#{version}"] ||=
117 response = self.execute!(
118 :http_method => :get,
119 :uri => self.discovery_uri(api, version),
120 :authenticated => false
122 response.body.class == String ? JSON.parse(response.body) : response.body
128 # Parse command line options (the kind that control the behavior of
129 # this program, that is, not the pipeline component parameters).
131 p = Trollop::Parser.new do
134 "Do not start any new jobs or wait for existing jobs to finish. Just find out whether jobs are finished, queued, or running for each component.",
138 "Store plain text status in given file.",
141 :default => '/dev/stdout')
143 "Store json-formatted pipeline in given file.",
146 :default => '/dev/null')
148 "Do not wait for jobs to finish. Just look up status, submit new jobs if needed, and exit.",
152 "Do not reuse existing jobs to satisfy pipeline components. Submit a new job for every component.",
156 "Print extra debugging information on stderr.",
159 "Set debug verbosity level.",
163 "UUID of pipeline template, or path to local pipeline template file.",
167 "UUID of pipeline instance.",
171 "Do not try to satisfy any components. Just create a pipeline instance and output its UUID.",
175 "Manage the pipeline in process.",
180 $options = Trollop::with_standard_exception_handling p do
183 $debuglevel = $options[:debug_level] || ($options[:debug] && 1) || 0
185 if $options[:instance]
186 if $options[:template] or $options[:submit]
187 abort "#{$0}: syntax error: --instance cannot be combined with --template or --submit."
189 elsif not $options[:template]
190 puts "error: you must supply a --template or --instance."
195 if $options[:run_here] == $options[:submit]
196 abort "#{$0}: syntax error: you must supply either --run-here or --submit."
199 # Suppress SSL certificate checks if ARVADOS_API_HOST_INSECURE
202 def suppress_warnings
203 original_verbosity = $VERBOSE
206 $VERBOSE = original_verbosity
211 if ENV['ARVADOS_API_HOST_INSECURE']
212 suppress_warnings { OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE }
215 # Set up the API client.
217 $client ||= Google::APIClient.
218 new(:host => $arvados_api_host,
219 :application_name => File.split($0).last,
220 :application_version => $application_version.to_s)
221 $arvados = $client.discovered_api('arvados', $arvados_api_version)
222 $arv = Arvados.new api_version: 'v1'
225 class PipelineInstance
227 result = $client.execute(:api_method => $arvados.pipeline_instances.get,
231 :authenticated => false,
233 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
235 j = JSON.parse result.body, :symbolize_names => true
236 unless j.is_a? Hash and j[:uuid]
237 debuglog "Failed to get pipeline_instance: #{j[:errors] rescue nil}", 0
240 debuglog "Retrieved pipeline_instance #{j[:uuid]}"
244 def self.create(attributes)
245 result = $client.execute(:api_method => $arvados.pipeline_instances.create,
247 :pipeline_instance => attributes.to_json
249 :authenticated => false,
251 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
253 j = JSON.parse result.body, :symbolize_names => true
254 unless j.is_a? Hash and j[:uuid]
255 abort "Failed to create pipeline_instance: #{j[:errors] rescue nil} #{j.inspect}"
257 debuglog "Created pipeline instance: #{j[:uuid]}"
261 result = $client.execute(:api_method => $arvados.pipeline_instances.update,
266 :pipeline_instance => @attributes_to_update.to_json
268 :authenticated => false,
270 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
272 j = JSON.parse result.body, :symbolize_names => true
273 unless j.is_a? Hash and j[:uuid]
274 debuglog "Failed to save pipeline_instance: #{j[:errors] rescue nil}", 0
277 @attributes_to_update = {}
282 @attributes_to_update[x] = y
290 @attributes_to_update = {}
298 result = $client.execute(:api_method => $arvados.jobs.get,
302 :authenticated => false,
304 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
306 @cache[uuid] = JSON.parse result.body, :symbolize_names => true
308 def self.where(conditions)
309 result = $client.execute(:api_method => $arvados.jobs.list,
312 :where => conditions.to_json
314 :authenticated => false,
316 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
318 list = JSON.parse result.body, :symbolize_names => true
319 if list and list[:items].is_a? Array
325 def self.create(pipeline, component, job, create_params)
328 body = { :job => job }.merge(create_params.select { |k,v| not v.nil? })
330 result = $client.execute(:api_method => $arvados.jobs.create,
332 :authenticated => false,
334 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
336 j = JSON.parse result.body, :symbolize_names => true
337 if j.is_a? Hash and j[:uuid]
340 debuglog "create job: #{j[:errors] rescue nil} with attributes #{body}", 0
343 j[:errors].each do |err|
344 msg += "Error creating job for component #{component}: #{err}\n"
346 msg += "Job submission was: #{body.to_json}"
348 $client.execute(:api_method => $arvados.logs.create,
351 :object_uuid => pipeline[:uuid],
352 :event_type => 'stderr',
353 :owner_uuid => pipeline[:owner_uuid],
354 :properties => {"text" => msg}
357 :authenticated => false,
359 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
366 class WhRunPipelineInstance
367 attr_reader :instance
369 def initialize(_options)
373 def fetch_template(template)
374 if template.match /[^-0-9a-z]/
375 # Doesn't look like a uuid -- use it as a filename.
376 @template = JSON.parse File.read(template), :symbolize_names => true
377 if !@template[:components]
378 abort ("#{$0}: Template loaded from #{template} " +
379 "does not have a \"components\" key")
382 result = $client.execute(:api_method => $arvados.pipeline_templates.get,
386 :authenticated => false,
388 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
390 @template = JSON.parse result.body, :symbolize_names => true
392 abort "#{$0}: fatal: failed to retrieve pipeline template #{template} #{@template[:errors].inspect rescue nil}"
398 def fetch_instance(instance_uuid)
399 @instance = PipelineInstance.find(instance_uuid)
400 @template = @instance
404 def apply_parameters(params_args)
405 params_args.shift if params_args[0] == '--'
407 while !params_args.empty?
408 if (re = params_args[0].match /^(--)?([^-].*?)=(.+)/)
409 params[re[2]] = re[3]
411 elsif params_args.size > 1
412 param = params_args.shift.sub /^--/, ''
413 params[param] = params_args.shift
415 abort "Syntax error: I do not know what to do with arg \"#{params_args[0]}\""
419 @components = @template[:components].dup
422 @components.each do |componentname, component|
423 component[:script_parameters].each do |parametername, parameter|
424 parameter = { :value => parameter } unless parameter.is_a? Hash
426 (params["#{componentname}::#{parametername}"] ||
428 (parameter[:output_of].nil? &&
429 (params[parametername.to_s] ||
430 parameter[:default])) ||
433 ![false,'false',0,'0'].index parameter[:required]
434 if parameter[:output_of]
437 errors << [componentname, parametername, "required parameter is missing"]
439 debuglog "parameter #{componentname}::#{parametername} == #{value}"
440 component[:script_parameters][parametername] = value
444 abort "Errors:\n#{errors.collect { |c,p,e| "#{c}::#{p} - #{e}\n" }.join ""}"
446 debuglog "options=" + @options.pretty_inspect
452 @instance ||= PipelineInstance.
453 create(:components => @components,
454 :pipeline_template_uuid => @template[:uuid],
457 @instance ||= PipelineInstance.
458 create(:components => @components,
459 :pipeline_template_uuid => @template[:uuid],
460 :state => 'RunningOnClient')
469 job_creation_failed = 0
472 @components.each do |cname, c|
474 owner_uuid = @instance[:owner_uuid]
475 # Is the job satisfying this component already known to be
476 # finished? (Already meaning "before we query API server about
477 # the job's current state")
478 c_already_finished = (c[:job] &&
480 !c[:job][:success].nil?)
482 c[:script_parameters].select { |pname, p| p.is_a? Hash and p[:output_of]}.empty?
483 # No job yet associated with this component and is component inputs
484 # are fully specified (any output_of script_parameters are resolved
486 job = JobCache.create(@instance, cname, {
487 :script => c[:script],
488 :script_parameters => c[:script_parameters],
489 :script_version => c[:script_version],
490 :repository => c[:repository],
491 :nondeterministic => c[:nondeterministic],
492 :output_is_persistent => c[:output_is_persistent] || false,
493 :runtime_constraints => c[:runtime_constraints],
494 :owner_uuid => owner_uuid,
496 # This is the right place to put these attributes when
497 # dealing with new API servers.
498 :minimum_script_version => c[:minimum_script_version],
499 :exclude_script_versions => c[:exclude_minimum_script_versions],
500 :find_or_create => !(@options[:no_reuse] || c[:nondeterministic]),
501 :filters => c[:filters]
504 debuglog "component #{cname} new job #{job[:uuid]}"
507 debuglog "component #{cname} new job failed", 0
508 job_creation_failed += 1
512 if c[:job] and c[:job][:uuid]
513 if (c[:job][:running] or
514 not (c[:job][:finished_at] or c[:job][:cancelled_at]))
515 # Job is running so update copy of job record
516 c[:job] = JobCache.get(c[:job][:uuid])
520 # Populate script_parameters of other components waiting for
522 @components.each do |c2name, c2|
523 c2[:script_parameters].each do |pname, p|
524 if p.is_a? Hash and p[:output_of] == cname.to_s
525 debuglog "parameter #{c2name}::#{pname} == #{c[:job][:output]}"
526 c2[:script_parameters][pname] = c[:job][:output]
531 unless c_already_finished
532 # This is my first time discovering that the job
533 # succeeded. (At the top of this loop, I was still
534 # waiting for it to finish.)
535 if c[:output_is_persistent]
536 # I need to make sure a resources/wants link is in
537 # place to protect the output from garbage
538 # collection. (Normally Crunch does this for me, but
539 # here I might be reusing the output of someone else's
540 # job and I need to make sure it's understood that the
541 # output is valuable to me, too.)
542 wanted = c[:job][:output]
543 debuglog "checking for existing persistence link for #{wanted}"
544 @my_user_uuid ||= $arv.user.current[:uuid]
545 links = $arv.link.list(limit: 1,
547 [%w(link_class = resources),
549 %w(tail_uuid =) + [@my_user_uuid],
550 %w(head_uuid =) + [wanted]
553 debuglog "link already exists, uuid #{links.first[:uuid]}"
555 newlink = $arv.link.create link: \
557 link_class: 'resources',
559 tail_kind: 'arvados#user',
560 tail_uuid: @my_user_uuid,
561 head_kind: 'arvados#collection',
563 owner_uuid: owner_uuid
565 debuglog "added link, uuid #{newlink[:uuid]}"
569 elsif c[:job][:running] ||
570 (!c[:job][:started_at] && !c[:job][:cancelled_at])
571 # Job is still running
573 elsif c[:job][:cancelled_at]
574 debuglog "component #{cname} job #{c[:job][:uuid]} cancelled."
578 @instance[:components] = @components
581 if @options[:no_wait]
585 # If job creation fails, just give up on this pipeline instance.
586 if job_creation_failed > 0
594 debuglog "interrupt", 0
604 @components.each do |cname, c|
606 if c[:job][:finished_at] or c[:job][:cancelled_at] or (c[:job][:running] == false and c[:job][:success] == false)
608 if c[:job][:success] == true
610 elsif c[:job][:success] == false or c[:job][:cancelled_at]
617 success = (succeeded == @components.length)
619 # A job create call failed. Just give up.
620 if job_creation_failed > 0
621 debuglog "job creation failed - giving up on this pipeline instance", 0
628 @instance[:state] = 'Complete'
630 @instance[:state] = 'Paused'
633 if ended == @components.length or failed > 0
634 @instance[:state] = success ? 'Complete' : 'Failed'
638 debuglog "pipeline instance state is #{@instance[:state]}"
640 # set components_summary
641 components_summary = {"todo" => @components.length - ended, "done" => succeeded, "failed" => failed}
642 @instance[:components_summary] = components_summary
648 if @instance and @instance[:state] == 'RunningOnClient'
649 @instance[:state] = 'Paused'
663 if @options[:status_json] != '/dev/null'
664 File.open(@options[:status_json], 'w') do |f|
665 f.puts @components.pretty_inspect
669 if @options[:status_text] != '/dev/null'
670 File.open(@options[:status_text], 'w') do |f|
672 f.puts "#{Time.now} -- pipeline_instance #{@instance[:uuid]}"
673 namewidth = @components.collect { |cname, c| cname.size }.max
674 @components.each do |cname, c|
675 jstatus = if !c[:job]
677 elsif c[:job][:running]
678 "#{c[:job][:tasks_summary].inspect}"
679 elsif c[:job][:success]
681 elsif c[:job][:cancelled_at]
682 "cancelled #{c[:job][:cancelled_at]}"
683 elsif c[:job][:finished_at]
684 "failed #{c[:job][:finished_at]}"
685 elsif c[:job][:started_at]
686 "started #{c[:job][:started_at]}"
688 "queued #{c[:job][:created_at]}"
690 f.puts "#{cname.to_s.ljust namewidth} #{c[:job] ? c[:job][:uuid] : '-'.ljust(27)} #{jstatus}"
697 runner = WhRunPipelineInstance.new($options)
699 if $options[:template]
700 runner.fetch_template($options[:template])
702 runner.fetch_instance($options[:instance])
704 runner.apply_parameters(p.leftovers)
705 runner.setup_instance
708 puts runner.instance[:uuid]
712 rescue Exception => e