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 abort "#{$0}: syntax error: you must supply a --template or --instance."
193 if $options[:run_here] == $options[:submit]
194 abort "#{$0}: syntax error: you must supply either --run-here or --submit."
197 # Suppress SSL certificate checks if ARVADOS_API_HOST_INSECURE
200 def suppress_warnings
201 original_verbosity = $VERBOSE
204 $VERBOSE = original_verbosity
209 if ENV['ARVADOS_API_HOST_INSECURE']
210 suppress_warnings { OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE }
213 # Set up the API client.
215 $client ||= Google::APIClient.
216 new(:host => $arvados_api_host,
217 :application_name => File.split($0).last,
218 :application_version => $application_version.to_s)
219 $arvados = $client.discovered_api('arvados', $arvados_api_version)
220 $arv = Arvados.new api_version: 'v1'
223 class PipelineInstance
225 result = $client.execute(:api_method => $arvados.pipeline_instances.get,
229 :authenticated => false,
231 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
233 j = JSON.parse result.body, :symbolize_names => true
234 unless j.is_a? Hash and j[:uuid]
235 debuglog "Failed to get pipeline_instance: #{j[:errors] rescue nil}", 0
238 debuglog "Retrieved pipeline_instance #{j[:uuid]}"
242 def self.create(attributes)
243 result = $client.execute(:api_method => $arvados.pipeline_instances.create,
245 :pipeline_instance => attributes
247 :authenticated => false,
249 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
251 j = JSON.parse result.body, :symbolize_names => true
252 unless j.is_a? Hash and j[:uuid]
253 abort "Failed to create pipeline_instance: #{j[:errors] rescue nil} #{j.inspect}"
255 debuglog "Created pipeline instance: #{j[:uuid]}"
259 result = $client.execute(:api_method => $arvados.pipeline_instances.update,
264 :pipeline_instance => @attributes_to_update.to_json
266 :authenticated => false,
268 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
270 j = JSON.parse result.body, :symbolize_names => true
271 unless j.is_a? Hash and j[:uuid]
272 debuglog "Failed to save pipeline_instance: #{j[:errors] rescue nil}", 0
275 @attributes_to_update = {}
280 @attributes_to_update[x] = y
288 @attributes_to_update = {}
296 result = $client.execute(:api_method => $arvados.jobs.get,
300 :authenticated => false,
302 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
304 @cache[uuid] = JSON.parse result.body, :symbolize_names => true
306 def self.where(conditions)
307 result = $client.execute(:api_method => $arvados.jobs.list,
310 :where => conditions.to_json
312 :authenticated => false,
314 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
316 list = JSON.parse result.body, :symbolize_names => true
317 if list and list[:items].is_a? Array
323 def self.create(job, create_params)
325 result = $client.execute(:api_method => $arvados.jobs.create,
328 }.merge(create_params),
329 :authenticated => false,
331 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
333 j = JSON.parse result.body, :symbolize_names => true
334 if j.is_a? Hash and j[:uuid]
337 debuglog "create job: #{j[:errors] rescue nil} with attributes #{job}", 0
343 class WhRunPipelineInstance
344 attr_reader :instance
346 def initialize(_options)
350 def fetch_template(template)
351 if template.match /[^-0-9a-z]/
352 # Doesn't look like a uuid -- use it as a filename.
353 @template = JSON.parse File.read(template), :symbolize_names => true
354 if !@template[:components]
355 abort ("#{$0}: Template loaded from #{template} " +
356 "does not have a \"components\" key")
359 result = $client.execute(:api_method => $arvados.pipeline_templates.get,
363 :authenticated => false,
365 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
367 @template = JSON.parse result.body, :symbolize_names => true
369 abort "#{$0}: fatal: failed to retrieve pipeline template #{template} #{@template[:errors].inspect rescue nil}"
375 def fetch_instance(instance_uuid)
376 @instance = PipelineInstance.find(instance_uuid)
377 @template = @instance
381 def apply_parameters(params_args)
382 params_args.shift if params_args[0] == '--'
384 while !params_args.empty?
385 if (re = params_args[0].match /^(--)?([^-].*?)=(.+)/)
386 params[re[2]] = re[3]
388 elsif params_args.size > 1
389 param = params_args.shift.sub /^--/, ''
390 params[param] = params_args.shift
392 abort "Syntax error: I do not know what to do with arg \"#{params_args[0]}\""
396 @components = @template[:components].dup
399 @components.each do |componentname, component|
400 component[:script_parameters].each do |parametername, parameter|
401 parameter = { :value => parameter } unless parameter.is_a? Hash
403 (params["#{componentname}::#{parametername}"] ||
405 (parameter[:output_of].nil? &&
406 (params[parametername.to_s] ||
407 parameter[:default])) ||
410 ![false,'false',0,'0'].index parameter[:required]
411 if parameter[:output_of]
414 errors << [componentname, parametername, "required parameter is missing"]
416 debuglog "parameter #{componentname}::#{parametername} == #{value}"
417 component[:script_parameters][parametername] = value
421 abort "Errors:\n#{errors.collect { |c,p,e| "#{c}::#{p} - #{e}\n" }.join ""}"
423 debuglog "options=" + @options.pretty_inspect
429 @instance ||= PipelineInstance.
430 create(:components => @components,
431 :pipeline_template_uuid => @template[:uuid],
434 @instance ||= PipelineInstance.
435 create(:components => @components,
436 :pipeline_template_uuid => @template[:uuid],
437 :state => 'RunningOnClient')
448 @components.each do |cname, c|
450 owner_uuid = @instance[:owner_uuid]
451 # Is the job satisfying this component already known to be
452 # finished? (Already meaning "before we query API server about
453 # the job's current state")
454 c_already_finished = (c[:job] &&
456 !c[:job][:success].nil?)
458 c[:script_parameters].select { |pname, p| p.is_a? Hash and p[:output_of]}.empty?
459 # No job yet associated with this component and is component inputs
460 # are fully specified (any output_of script_parameters are resolved
462 job = JobCache.create({
463 :script => c[:script],
464 :script_parameters => c[:script_parameters],
465 :script_version => c[:script_version],
466 :repository => c[:repository],
467 :nondeterministic => c[:nondeterministic],
468 :output_is_persistent => c[:output_is_persistent] || false,
469 :owner_uuid => owner_uuid,
470 # TODO: Delete the following three attributes when
471 # supporting pre-20140418 API servers is no longer
472 # important. New API servers take these as flags that
473 # control behavior of create, rather than job attributes.
474 :minimum_script_version => c[:minimum_script_version],
475 :exclude_script_versions => c[:exclude_minimum_script_versions],
476 :no_reuse => @options[:no_reuse] || c[:nondeterministic],
478 # This is the right place to put these attributes when
479 # dealing with new API servers.
480 :minimum_script_version => c[:minimum_script_version],
481 :exclude_script_versions => c[:exclude_minimum_script_versions],
482 :find_or_create => !(@options[:no_reuse] || c[:nondeterministic]),
485 debuglog "component #{cname} new job #{job[:uuid]}"
488 debuglog "component #{cname} new job failed"
492 if c[:job] and c[:job][:uuid]
493 if (c[:job][:running] or
494 not (c[:job][:finished_at] or c[:job][:cancelled_at]))
495 # Job is running so update copy of job record
496 c[:job] = JobCache.get(c[:job][:uuid])
500 # Populate script_parameters of other components waiting for
502 @components.each do |c2name, c2|
503 c2[:script_parameters].each do |pname, p|
504 if p.is_a? Hash and p[:output_of] == cname.to_s
505 debuglog "parameter #{c2name}::#{pname} == #{c[:job][:output]}"
506 c2[:script_parameters][pname] = c[:job][:output]
511 unless c_already_finished
512 # This is my first time discovering that the job
513 # succeeded. (At the top of this loop, I was still
514 # waiting for it to finish.)
515 if c[:output_is_persistent]
516 # I need to make sure a resources/wants link is in
517 # place to protect the output from garbage
518 # collection. (Normally Crunch does this for me, but
519 # here I might be reusing the output of someone else's
520 # job and I need to make sure it's understood that the
521 # output is valuable to me, too.)
522 wanted = c[:job][:output]
523 debuglog "checking for existing persistence link for #{wanted}"
524 @my_user_uuid ||= $arv.user.current[:uuid]
525 links = $arv.link.list(limit: 1,
527 [%w(link_class = resources),
529 %w(tail_uuid =) + [@my_user_uuid],
530 %w(head_uuid =) + [wanted]
533 debuglog "link already exists, uuid #{links.first[:uuid]}"
535 newlink = $arv.link.create link: \
537 link_class: 'resources',
539 tail_kind: 'arvados#user',
540 tail_uuid: @my_user_uuid,
541 head_kind: 'arvados#collection',
543 owner_uuid: owner_uuid
545 debuglog "added link, uuid #{newlink[:uuid]}"
549 elsif c[:job][:running] ||
550 (!c[:job][:started_at] && !c[:job][:cancelled_at])
551 # Job is still running
553 elsif c[:job][:cancelled_at]
554 debuglog "component #{cname} job #{c[:job][:uuid]} cancelled."
558 @instance[:components] = @components
561 if @options[:no_wait]
569 debuglog "interrupt", 0
579 @components.each do |cname, c|
581 if c[:job][:finished_at]
583 if c[:job][:success] == true
585 elsif c[:job][:success] == false
592 success = (succeeded == @components.length)
596 @instance[:state] = 'Complete'
598 @instance[:state] = 'Paused'
601 if ended == @components.length or failed > 0
602 @instance[:state] = success ? 'Complete' : 'Failed'
606 # set components_summary
607 components_summary = {"todo" => @components.length - ended, "done" => succeeded, "failed" => failed}
608 @instance[:components_summary] = components_summary
614 if @instance and @instance[:state] == 'RunningOnClient'
615 @instance[:state] = 'Paused'
629 if @options[:status_json] != '/dev/null'
630 File.open(@options[:status_json], 'w') do |f|
631 f.puts @components.pretty_inspect
635 if @options[:status_text] != '/dev/null'
636 File.open(@options[:status_text], 'w') do |f|
638 f.puts "#{Time.now} -- pipeline_instance #{@instance[:uuid]}"
639 namewidth = @components.collect { |cname, c| cname.size }.max
640 @components.each do |cname, c|
641 jstatus = if !c[:job]
643 elsif c[:job][:running]
644 "#{c[:job][:tasks_summary].inspect}"
645 elsif c[:job][:success]
647 elsif c[:job][:cancelled_at]
648 "cancelled #{c[:job][:cancelled_at]}"
649 elsif c[:job][:finished_at]
650 "failed #{c[:job][:finished_at]}"
651 elsif c[:job][:started_at]
652 "started #{c[:job][:started_at]}"
654 "queued #{c[:job][:created_at]}"
656 f.puts "#{cname.to_s.ljust namewidth} #{c[:job] ? c[:job][:uuid] : '-'.ljust(27)} #{jstatus}"
663 runner = WhRunPipelineInstance.new($options)
665 if $options[:template]
666 runner.fetch_template($options[:template])
668 runner.fetch_instance($options[:instance])
670 runner.apply_parameters(p.leftovers)
671 runner.setup_instance
674 puts runner.instance[:uuid]
678 rescue Exception => e