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 # Is the job satisfying this component already known to be
451 # finished? (Already meaning "before we query API server about
452 # the job's current state")
453 c_already_finished = (c[:job] &&
455 !c[:job][:success].nil?)
457 c[:script_parameters].select { |pname, p| p.is_a? Hash and p[:output_of]}.empty?
458 # No job yet associated with this component and is component inputs
459 # are fully specified (any output_of script_parameters are resolved
461 job = JobCache.create({
462 :script => c[:script],
463 :script_parameters => c[:script_parameters],
464 :script_version => c[:script_version],
465 :repository => c[:repository],
466 :nondeterministic => c[:nondeterministic],
467 :output_is_persistent => c[:output_is_persistent] || false,
468 # TODO: Delete the following three attributes when
469 # supporting pre-20140418 API servers is no longer
470 # important. New API servers take these as flags that
471 # control behavior of create, rather than job attributes.
472 :minimum_script_version => c[:minimum_script_version],
473 :exclude_script_versions => c[:exclude_minimum_script_versions],
474 :no_reuse => @options[:no_reuse] || c[:nondeterministic],
476 # This is the right place to put these attributes when
477 # dealing with new API servers.
478 :minimum_script_version => c[:minimum_script_version],
479 :exclude_script_versions => c[:exclude_minimum_script_versions],
480 :find_or_create => !(@options[:no_reuse] || c[:nondeterministic]),
483 debuglog "component #{cname} new job #{job[:uuid]}"
486 debuglog "component #{cname} new job failed"
490 if c[:job] and c[:job][:uuid]
491 if (c[:job][:running] or
492 not (c[:job][:finished_at] or c[:job][:cancelled_at]))
493 # Job is running so update copy of job record
494 c[:job] = JobCache.get(c[:job][:uuid])
498 # Populate script_parameters of other components waiting for
500 @components.each do |c2name, c2|
501 c2[:script_parameters].each do |pname, p|
502 if p.is_a? Hash and p[:output_of] == cname.to_s
503 debuglog "parameter #{c2name}::#{pname} == #{c[:job][:output]}"
504 c2[:script_parameters][pname] = c[:job][:output]
509 unless c_already_finished
510 # This is my first time discovering that the job
511 # succeeded. (At the top of this loop, I was still
512 # waiting for it to finish.)
513 if c[:output_is_persistent]
514 # I need to make sure a resources/wants link is in
515 # place to protect the output from garbage
516 # collection. (Normally Crunch does this for me, but
517 # here I might be reusing the output of someone else's
518 # job and I need to make sure it's understood that the
519 # output is valuable to me, too.)
520 wanted = c[:job][:output]
521 debuglog "checking for existing persistence link for #{wanted}"
522 @my_user_uuid ||= $arv.user.current[:uuid]
523 links = $arv.link.list(limit: 1,
525 [%w(link_class = resources),
527 %w(tail_uuid =) + [@my_user_uuid],
528 %w(head_uuid =) + [wanted]
531 debuglog "link already exists, uuid #{links.first[:uuid]}"
533 newlink = $arv.link.create link: \
535 link_class: 'resources',
537 tail_kind: 'arvados#user',
538 tail_uuid: @my_user_uuid,
539 head_kind: 'arvados#collection',
542 debuglog "added link, uuid #{newlink[:uuid]}"
546 elsif c[:job][:running] ||
547 (!c[:job][:started_at] && !c[:job][:cancelled_at])
548 # Job is still running
550 elsif c[:job][:cancelled_at]
551 debuglog "component #{cname} job #{c[:job][:uuid]} cancelled."
555 @instance[:components] = @components
558 if @options[:no_wait]
566 debuglog "interrupt", 0
576 @components.each do |cname, c|
578 if c[:job][:finished_at]
580 if c[:job][:success] == true
582 elsif c[:job][:success] == false
589 success = (succeeded == @components.length)
593 @instance[:state] = 'Complete'
595 @instance[:state] = 'Paused'
598 if ended == @components.length or failed > 0
599 @instance[:state] = success ? 'Complete' : 'Failed'
603 # set components_summary
604 components_summary = {"todo" => @components.length - ended, "done" => succeeded, "failed" => failed}
605 @instance[:components_summary] = components_summary
611 if @instance and @instance[:state] == 'RunningOnClient'
612 @instance[:state] = 'Paused'
626 if @options[:status_json] != '/dev/null'
627 File.open(@options[:status_json], 'w') do |f|
628 f.puts @components.pretty_inspect
632 if @options[:status_text] != '/dev/null'
633 File.open(@options[:status_text], 'w') do |f|
635 f.puts "#{Time.now} -- pipeline_instance #{@instance[:uuid]}"
636 namewidth = @components.collect { |cname, c| cname.size }.max
637 @components.each do |cname, c|
638 jstatus = if !c[:job]
640 elsif c[:job][:running]
641 "#{c[:job][:tasks_summary].inspect}"
642 elsif c[:job][:success]
644 elsif c[:job][:cancelled_at]
645 "cancelled #{c[:job][:cancelled_at]}"
646 elsif c[:job][:finished_at]
647 "failed #{c[:job][:finished_at]}"
648 elsif c[:job][:started_at]
649 "started #{c[:job][:started_at]}"
651 "queued #{c[:job][:created_at]}"
653 f.puts "#{cname.to_s.ljust namewidth} #{c[:job] ? c[:job][:uuid] : '-'.ljust(27)} #{jstatus}"
660 runner = WhRunPipelineInstance.new($options)
662 if $options[:template]
663 runner.fetch_template($options[:template])
665 runner.fetch_instance($options[:instance])
667 runner.apply_parameters(p.leftovers)
668 runner.setup_instance
671 puts runner.instance[:uuid]
675 rescue Exception => e