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,
230 :api_token => ENV['ARVADOS_API_TOKEN']
232 :authenticated => false)
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 :api_token => ENV['ARVADOS_API_TOKEN'],
246 :pipeline_instance => attributes
248 :authenticated => false)
249 j = JSON.parse result.body, :symbolize_names => true
250 unless j.is_a? Hash and j[:uuid]
251 abort "Failed to create pipeline_instance: #{j[:errors] rescue nil} #{j.inspect}"
253 debuglog "Created pipeline instance: #{j[:uuid]}"
257 result = $client.execute(:api_method => $arvados.pipeline_instances.update,
262 :api_token => ENV['ARVADOS_API_TOKEN'],
263 :pipeline_instance => @attributes_to_update.to_json
265 :authenticated => false)
266 j = JSON.parse result.body, :symbolize_names => true
267 unless j.is_a? Hash and j[:uuid]
268 debuglog "Failed to save pipeline_instance: #{j[:errors] rescue nil}", 0
271 @attributes_to_update = {}
276 @attributes_to_update[x] = y
284 @attributes_to_update = {}
292 result = $client.execute(:api_method => $arvados.jobs.get,
294 :api_token => ENV['ARVADOS_API_TOKEN'],
297 :authenticated => false)
298 @cache[uuid] = JSON.parse result.body, :symbolize_names => true
300 def self.where(conditions)
301 result = $client.execute(:api_method => $arvados.jobs.list,
303 :api_token => ENV['ARVADOS_API_TOKEN'],
305 :where => conditions.to_json
307 :authenticated => false)
308 list = JSON.parse result.body, :symbolize_names => true
309 if list and list[:items].is_a? Array
315 def self.create(job, create_params)
317 result = $client.execute(:api_method => $arvados.jobs.create,
319 :api_token => ENV['ARVADOS_API_TOKEN'],
321 }.merge(create_params),
322 :authenticated => false)
323 j = JSON.parse result.body, :symbolize_names => true
324 if j.is_a? Hash and j[:uuid]
327 debuglog "create job: #{j[:errors] rescue nil} with attributes #{job}", 0
333 class WhRunPipelineInstance
334 attr_reader :instance
336 def initialize(_options)
340 def fetch_template(template)
341 if template.match /[^-0-9a-z]/
342 # Doesn't look like a uuid -- use it as a filename.
343 @template = JSON.parse File.read(template), :symbolize_names => true
344 if !@template[:components]
345 abort ("#{$0}: Template loaded from #{template} " +
346 "does not have a \"components\" key")
349 result = $client.execute(:api_method => $arvados.pipeline_templates.get,
351 :api_token => ENV['ARVADOS_API_TOKEN'],
354 :authenticated => false)
355 @template = JSON.parse result.body, :symbolize_names => true
357 abort "#{$0}: fatal: failed to retrieve pipeline template #{template} #{@template[:errors].inspect rescue nil}"
363 def fetch_instance(instance_uuid)
364 @instance = PipelineInstance.find(instance_uuid)
365 @template = @instance
369 def apply_parameters(params_args)
370 params_args.shift if params_args[0] == '--'
372 while !params_args.empty?
373 if (re = params_args[0].match /^(--)?([^-].*?)=(.+)/)
374 params[re[2]] = re[3]
376 elsif params_args.size > 1
377 param = params_args.shift.sub /^--/, ''
378 params[param] = params_args.shift
380 abort "Syntax error: I do not know what to do with arg \"#{params_args[0]}\""
384 @components = @template[:components].dup
387 @components.each do |componentname, component|
388 component[:script_parameters].each do |parametername, parameter|
389 parameter = { :value => parameter } unless parameter.is_a? Hash
391 (params["#{componentname}::#{parametername}"] ||
393 (parameter[:output_of].nil? &&
394 (params[parametername.to_s] ||
395 parameter[:default])) ||
398 ![false,'false',0,'0'].index parameter[:required]
399 if parameter[:output_of]
402 errors << [componentname, parametername, "required parameter is missing"]
404 debuglog "parameter #{componentname}::#{parametername} == #{value}"
405 component[:script_parameters][parametername] = value
409 abort "Errors:\n#{errors.collect { |c,p,e| "#{c}::#{p} - #{e}\n" }.join ""}"
411 debuglog "options=" + @options.pretty_inspect
417 @instance ||= PipelineInstance.
418 create(:components => @components,
419 :pipeline_template_uuid => @template[:uuid],
422 @instance ||= PipelineInstance.
423 create(:components => @components,
424 :pipeline_template_uuid => @template[:uuid],
425 :state => 'RunningOnClient')
436 @components.each do |cname, c|
438 # Is the job satisfying this component already known to be
439 # finished? (Already meaning "before we query API server about
440 # the job's current state")
441 c_already_finished = (c[:job] &&
443 !c[:job][:success].nil?)
445 c[:script_parameters].select { |pname, p| p.is_a? Hash and p[:output_of]}.empty?
446 # No job yet associated with this component and is component inputs
447 # are fully specified (any output_of script_parameters are resolved
449 job = JobCache.create({
450 :script => c[:script],
451 :script_parameters => c[:script_parameters],
452 :script_version => c[:script_version],
453 :repository => c[:repository],
454 :nondeterministic => c[:nondeterministic],
455 :output_is_persistent => c[:output_is_persistent] || false,
456 # TODO: Delete the following three attributes when
457 # supporting pre-20140418 API servers is no longer
458 # important. New API servers take these as flags that
459 # control behavior of create, rather than job attributes.
460 :minimum_script_version => c[:minimum_script_version],
461 :exclude_script_versions => c[:exclude_minimum_script_versions],
462 :no_reuse => @options[:no_reuse] || c[:nondeterministic],
464 # This is the right place to put these attributes when
465 # dealing with new API servers.
466 :minimum_script_version => c[:minimum_script_version],
467 :exclude_script_versions => c[:exclude_minimum_script_versions],
468 :find_or_create => !(@options[:no_reuse] || c[:nondeterministic]),
471 debuglog "component #{cname} new job #{job[:uuid]}"
474 debuglog "component #{cname} new job failed"
478 if c[:job] and c[:job][:uuid]
479 if (c[:job][:running] or
480 not (c[:job][:finished_at] or c[:job][:cancelled_at]))
481 # Job is running so update copy of job record
482 c[:job] = JobCache.get(c[:job][:uuid])
486 # Populate script_parameters of other components waiting for
488 @components.each do |c2name, c2|
489 c2[:script_parameters].each do |pname, p|
490 if p.is_a? Hash and p[:output_of] == cname.to_s
491 debuglog "parameter #{c2name}::#{pname} == #{c[:job][:output]}"
492 c2[:script_parameters][pname] = c[:job][:output]
497 unless c_already_finished
498 # This is my first time discovering that the job
499 # succeeded. (At the top of this loop, I was still
500 # waiting for it to finish.)
501 if c[:output_is_persistent]
502 # I need to make sure a resources/wants link is in
503 # place to protect the output from garbage
504 # collection. (Normally Crunch does this for me, but
505 # here I might be reusing the output of someone else's
506 # job and I need to make sure it's understood that the
507 # output is valuable to me, too.)
508 wanted = c[:job][:output]
509 debuglog "checking for existing persistence link for #{wanted}"
510 @my_user_uuid ||= $arv.user.current[:uuid]
511 links = $arv.link.list(limit: 1,
513 [%w(link_class = resources),
515 %w(tail_uuid =) + [@my_user_uuid],
516 %w(head_uuid =) + [wanted]
519 debuglog "link already exists, uuid #{links.first[:uuid]}"
521 newlink = $arv.link.create link: \
523 link_class: 'resources',
525 tail_kind: 'arvados#user',
526 tail_uuid: @my_user_uuid,
527 head_kind: 'arvados#collection',
530 debuglog "added link, uuid #{newlink[:uuid]}"
534 elsif c[:job][:running] ||
535 (!c[:job][:started_at] && !c[:job][:cancelled_at])
536 # Job is still running
538 elsif c[:job][:cancelled_at]
539 debuglog "component #{cname} job #{c[:job][:uuid]} cancelled."
543 @instance[:components] = @components
546 if @options[:no_wait]
554 debuglog "interrupt", 0
564 @components.each do |cname, c|
566 if c[:job][:finished_at]
568 if c[:job][:success] == true
570 elsif c[:job][:success] == false
577 success = (succeeded == @components.length)
581 @instance[:state] = 'Complete'
583 @instance[:state] = 'Paused'
586 if ended == @components.length or failed > 0
587 @instance[:state] = success ? 'Complete' : 'Failed'
591 # set components_summary
592 components_summary = {"todo" => @components.length - ended, "done" => succeeded, "failed" => failed}
593 @instance[:components_summary] = components_summary
599 if @instance and @instance[:state] == 'RunningOnClient'
600 @instance[:state] = 'Paused'
614 if @options[:status_json] != '/dev/null'
615 File.open(@options[:status_json], 'w') do |f|
616 f.puts @components.pretty_inspect
620 if @options[:status_text] != '/dev/null'
621 File.open(@options[:status_text], 'w') do |f|
623 f.puts "#{Time.now} -- pipeline_instance #{@instance[:uuid]}"
624 namewidth = @components.collect { |cname, c| cname.size }.max
625 @components.each do |cname, c|
626 jstatus = if !c[:job]
628 elsif c[:job][:running]
629 "#{c[:job][:tasks_summary].inspect}"
630 elsif c[:job][:success]
632 elsif c[:job][:cancelled_at]
633 "cancelled #{c[:job][:cancelled_at]}"
634 elsif c[:job][:finished_at]
635 "failed #{c[:job][:finished_at]}"
636 elsif c[:job][:started_at]
637 "started #{c[:job][:started_at]}"
639 "queued #{c[:job][:created_at]}"
641 f.puts "#{cname.to_s.ljust namewidth} #{c[:job] ? c[:job][:uuid] : '-'.ljust(27)} #{jstatus}"
648 runner = WhRunPipelineInstance.new($options)
650 if $options[:template]
651 runner.fetch_template($options[:template])
653 runner.fetch_instance($options[:instance])
655 runner.apply_parameters(p.leftovers)
656 runner.setup_instance
659 puts runner.instance[:uuid]
663 rescue Exception => e