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
45 # [--description] Description for the pipeline instance.
49 # [param_name=param_value]
51 # [param_name param_value] Set (or override) the default value for
52 # every parameter with the given name.
54 # [component_name::param_name=param_value]
55 # [component_name::param_name param_value]
56 # [--component_name::param_name=param_value]
57 # [--component_name::param_name param_value] Set the value of a
58 # parameter for a single
61 class WhRunPipelineInstance
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 }
113 # Parse command line options (the kind that control the behavior of
114 # this program, that is, not the pipeline component parameters).
116 p = Trollop::Parser.new do
119 "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.",
123 "Store plain text status in given file.",
126 :default => '/dev/stdout')
128 "Store json-formatted pipeline in given file.",
131 :default => '/dev/null')
133 "Do not wait for jobs to finish. Just look up status, submit new jobs if needed, and exit.",
137 "Do not reuse existing jobs to satisfy pipeline components. Submit a new job for every component.",
141 "Print extra debugging information on stderr.",
144 "Set debug verbosity level.",
148 "UUID of pipeline template, or path to local pipeline template file.",
152 "UUID of pipeline instance.",
156 "Submit the pipeline instance to the server, and exit. Let the Crunch dispatch service satisfy the components by finding/running jobs.",
159 opt(:run_pipeline_here,
160 "Manage the pipeline instance in-process. Submit jobs to Crunch as needed. Do not exit until the pipeline finishes (or fails).",
164 "Run jobs in the local terminal session instead of submitting them to Crunch. Implies --run-pipeline-here. Note: this results in a significantly different job execution environment, and some Crunch features are not supported. It can be necessary to modify a pipeline in order to make it run this way.",
168 "Synonym for --run-jobs-here.",
172 "Description for the pipeline instance.",
177 $options = Trollop::with_standard_exception_handling p do
180 $debuglevel = $options[:debug_level] || ($options[:debug] && 1) || 0
182 $options[:run_jobs_here] ||= $options[:run_here] # old flag name
183 $options[:run_pipeline_here] ||= $options[:run_jobs_here] # B requires A
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_pipeline_here] == $options[:submit]
196 abort "#{$0}: error: you must supply --run-pipeline-here, --run-jobs-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 $arv = Arvados.new api_version: 'v1'
218 $client = $arv.client
219 $arvados = $arv.arvados_api
221 class PipelineInstance
223 result = $client.execute(:api_method => $arvados.pipeline_instances.get,
227 :authenticated => false,
229 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
231 j = JSON.parse result.body, :symbolize_names => true
232 unless j.is_a? Hash and j[:uuid]
233 debuglog "Failed to get pipeline_instance: #{j[:errors] rescue nil}", 0
236 debuglog "Retrieved pipeline_instance #{j[:uuid]}"
240 def self.create(attributes)
241 result = $client.execute(:api_method => $arvados.pipeline_instances.create,
243 :pipeline_instance => attributes
245 :authenticated => false,
247 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
249 j = JSON.parse result.body, :symbolize_names => true
250 unless j.is_a? Hash and j[:uuid]
251 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nFailed 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 :pipeline_instance => @attributes_to_update
264 :authenticated => false,
266 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
268 j = JSON.parse result.body, :symbolize_names => true
269 unless j.is_a? Hash and j[:uuid]
270 debuglog "Failed to save pipeline_instance: #{j[:errors] rescue nil}", 0
273 @attributes_to_update = {}
278 @attributes_to_update[x] = y
286 $arv.log.create log: {
287 event_type: 'stderr',
288 object_uuid: self[:uuid],
289 owner_uuid: self[:owner_uuid],
290 properties: {"text" => msg},
296 @attributes_to_update = {}
304 result = $client.execute(:api_method => $arvados.jobs.get,
308 :authenticated => false,
310 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
312 @cache[uuid] = JSON.parse result.body, :symbolize_names => true
314 def self.where(conditions)
315 result = $client.execute(:api_method => $arvados.jobs.list,
318 :where => conditions.to_json
320 :authenticated => false,
322 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
324 list = JSON.parse result.body, :symbolize_names => true
325 if list and list[:items].is_a? Array
331 def self.create(pipeline, component, job, create_params)
334 body = {job: no_nil_values(job)}.merge(no_nil_values(create_params))
336 result = $client.execute(:api_method => $arvados.jobs.create,
337 :body_object => body,
338 :authenticated => false,
340 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
342 j = JSON.parse result.body, :symbolize_names => true
343 if j.is_a? Hash and j[:uuid]
346 debuglog "create job: #{j[:errors] rescue nil} with attributes #{body}", 0
349 j[:errors].each do |err|
350 msg += "Error creating job for component #{component}: #{err}\n"
352 msg += "Job submission was: #{body.to_json}"
354 pipeline.log_stderr(msg)
361 def self.no_nil_values(hash)
362 hash.reject { |key, value| value.nil? }
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
378 result = $client.execute(:api_method => $arvados.pipeline_templates.get,
382 :authenticated => false,
384 authorization: 'OAuth2 '+ENV['ARVADOS_API_TOKEN']
386 @template = JSON.parse result.body, :symbolize_names => true
388 abort "#{$0}: fatal: failed to retrieve pipeline template #{template} #{@template[:errors].inspect rescue nil}"
394 def fetch_instance(instance_uuid)
395 @instance = PipelineInstance.find(instance_uuid)
396 @template = @instance
400 def apply_parameters(params_args)
401 params_args.shift if params_args[0] == '--'
403 while !params_args.empty?
404 if (re = params_args[0].match /^(--)?([^-].*?)=(.+)/)
405 params[re[2]] = re[3]
407 elsif params_args.size > 1
408 param = params_args.shift.sub /^--/, ''
409 params[param] = params_args.shift
411 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nSyntax error: I do not know what to do with arg \"#{params_args[0]}\""
415 if not @template[:components].is_a?(Hash)
416 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nSyntax error: Template missing \"components\" hash"
418 @components = @template[:components].dup
420 bad_components = @components.each_pair.select do |cname, cspec|
421 not cspec.is_a?(Hash)
423 if bad_components.any?
424 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nSyntax error: Components not specified with hashes: #{bad_components.map(&:first).join(', ')}"
427 bad_components = @components.each_pair.select do |cname, cspec|
428 not cspec[:script_parameters].is_a?(Hash)
430 if bad_components.any?
431 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nSyntax error: Components missing \"script_parameters\" hashes: #{bad_components.map(&:first).join(', ')}"
435 @components.each do |componentname, component|
436 component[:script_parameters].each do |parametername, parameter|
437 parameter = { :value => parameter } unless parameter.is_a? Hash
439 (params["#{componentname}::#{parametername}"] ||
441 (parameter[:output_of].nil? &&
442 (params[parametername.to_s] ||
443 parameter[:default])) ||
446 ![false,'false',0,'0'].index parameter[:required]
447 if parameter[:output_of]
448 if not @components[parameter[:output_of]]
449 errors << [componentname, parametername, "output_of refers to nonexistent component"]
454 errors << [componentname, parametername, "required parameter is missing"]
456 debuglog "parameter #{componentname}::#{parametername} == #{value}"
458 component[:script_parameters][parametername] =
459 parameter.dup.merge(value: value)
463 abort "\n#{Time.now} -- pipeline_template #{@template[:uuid]}\nErrors:\n#{errors.collect { |c,p,e| "#{c}::#{p} - #{e}\n" }.join ""}"
465 debuglog "options=" + @options.pretty_inspect
471 @instance[:properties][:run_options] ||= {}
472 if @options[:no_reuse]
473 # override properties of existing instance
474 @instance[:properties][:run_options][:enable_job_reuse] = false
476 # Default to "enable reuse" if not specified. (This code path
477 # can go away when old clients go away.)
478 if @instance[:properties][:run_options][:enable_job_reuse].nil?
479 @instance[:properties][:run_options][:enable_job_reuse] = true
483 description = $options[:description]
484 description = ("Created at #{Time.now.localtime}" + (@template[:name].andand.size.andand>0 ? " using the pipeline template *#{@template[:name]}*" : "")) if !description
485 @instance = PipelineInstance.
486 create(components: @components,
489 enable_job_reuse: !@options[:no_reuse]
492 pipeline_template_uuid: @template[:uuid],
493 description: description,
494 state: ($options[:submit] ? 'RunningOnServer' : 'RunningOnClient'))
503 if @instance[:started_at].nil?
504 @instance[:started_at] = Time.now
507 job_creation_failed = 0
510 @components.each do |cname, c|
512 owner_uuid = @instance[:owner_uuid]
513 # Is the job satisfying this component already known to be
514 # finished? (Already meaning "before we query API server about
515 # the job's current state")
516 c_already_finished = (c[:job] &&
518 ["Complete", "Failed", "Cancelled"].include?(c[:job][:state]))
520 c[:script_parameters].select { |pname, p| p.is_a? Hash and p[:output_of]}.empty?
521 # No job yet associated with this component and is component inputs
522 # are fully specified (any output_of script_parameters are resolved
524 my_submit_id = "instance #{@instance[:uuid]} rand #{rand(2**64).to_s(36)}"
525 job = JobCache.create(@instance, cname, {
526 :script => c[:script],
527 :script_parameters => Hash[c[:script_parameters].map do |key, spec|
530 :script_version => c[:script_version],
531 :repository => c[:repository],
532 :nondeterministic => c[:nondeterministic],
533 :runtime_constraints => c[:runtime_constraints],
534 :owner_uuid => owner_uuid,
535 :is_locked_by_uuid => (@options[:run_jobs_here] ? owner_uuid : nil),
536 :submit_id => my_submit_id,
537 :state => (if @options[:run_jobs_here] then "Running" else "Queued" end)
539 # This is the right place to put these attributes when
540 # dealing with new API servers.
541 :minimum_script_version => c[:minimum_script_version],
542 :exclude_script_versions => c[:exclude_minimum_script_versions],
543 :find_or_create => (@instance[:properties][:run_options].andand[:enable_job_reuse] &&
544 !c[:nondeterministic]),
545 :filters => c[:filters]
548 debuglog "component #{cname} new job #{job[:uuid]}"
550 c[:run_in_process] = (@options[:run_jobs_here] and
551 job[:submit_id] == my_submit_id)
553 debuglog "component #{cname} new job failed", 0
554 job_creation_failed += 1
558 if c[:job] and c[:run_in_process] and not ["Complete", "Failed", "Cancelled"].include? c[:job][:state]
562 Open3.popen3("arv-crunch-job", "--force-unlock",
563 "--job", c[:job][:uuid]) do |stdin, stdout, stderr, wait_thr|
564 debuglog "arv-crunch-job pid #{wait_thr.pid} started", 0
567 rready, wready, = IO.select([stdout, stderr], [])
570 buf = rready[0].read_nonblock(2**20)
574 (rready[0] == stdout ? $stdout : $stderr).write(buf)
578 debuglog "arv-crunch-job pid #{wait_thr.pid} exit #{wait_thr.value.to_i}", 0
580 if not $arv.job.get(uuid: c[:job][:uuid])[:finished_at]
581 raise Exception.new("arv-crunch-job did not set finished_at.")
583 rescue Exception => e
584 debuglog "Interrupted (#{e}). Failing job.", 0
585 $arv.job.update(uuid: c[:job][:uuid],
592 if c[:job] and c[:job][:uuid]
593 if ["Running", "Queued"].include?(c[:job][:state])
594 # Job is running (or may be soon) so update copy of job record
595 c[:job] = JobCache.get(c[:job][:uuid])
598 if c[:job][:state] == "Complete"
599 # Populate script_parameters of other components waiting for
601 @components.each do |c2name, c2|
602 c2[:script_parameters].each do |pname, p|
603 if p.is_a? Hash and p[:output_of] == cname.to_s
604 debuglog "parameter #{c2name}::#{pname} == #{c[:job][:output]}"
605 c2[:script_parameters][pname] = {value: c[:job][:output]}
610 unless c_already_finished
611 # This is my first time discovering that the job
612 # succeeded. (At the top of this loop, I was still
613 # waiting for it to finish.)
615 if @instance[:name].andand.length.andand > 0
616 pipeline_name = @instance[:name]
617 elsif @template.andand[:name].andand.length.andand > 0
618 pipeline_name = @template[:name]
620 pipeline_name = @instance[:uuid]
622 if c[:output_name] != false
623 # Create a collection located in the same project as the pipeline with the contents of the output.
624 portable_data_hash = c[:job][:output]
625 collections = $arv.collection.list(limit: 1,
626 filters: [['portable_data_hash', '=', portable_data_hash]],
627 select: ["portable_data_hash", "manifest_text"]
630 name = c[:output_name] || "Output #{portable_data_hash[0..7]} of #{cname} of #{pipeline_name}"
632 # check if there is a name collision.
633 name_collisions = $arv.collection.list(filters: [["owner_uuid", "=", owner_uuid],
634 ["name", "=", name]])[:items]
636 newcollection_actual = nil
637 if name_collisions.any? and name_collisions.first[:portable_data_hash] == portable_data_hash
638 # There is already a collection with the same name and the
639 # same contents, so just point to that.
640 newcollection_actual = name_collisions.first
643 if newcollection_actual.nil?
644 # Did not find a collection with the same name (or the
645 # collection has a different portable data hash) so create
646 # a new collection with ensure_unique_name: true.
648 owner_uuid: owner_uuid,
650 portable_data_hash: collections.first[:portable_data_hash],
651 manifest_text: collections.first[:manifest_text]
653 debuglog "Creating collection #{newcollection}", 0
654 newcollection_actual = $arv.collection.create collection: newcollection, ensure_unique_name: true
657 c[:output_uuid] = newcollection_actual[:uuid]
659 debuglog "Could not find a collection with portable data hash #{portable_data_hash}", 0
663 elsif ["Queued", "Running"].include? c[:job][:state]
664 # Job is running or queued to run, so indicate that pipeline
665 # should continue to run
667 elsif c[:job][:state] == "Cancelled"
668 debuglog "component #{cname} job #{c[:job][:uuid]} cancelled."
670 elsif c[:job][:state] == "Failed"
675 @instance[:components] = @components
678 if @options[:no_wait]
682 # If job creation fails, just give up on this pipeline instance.
683 if job_creation_failed > 0
691 debuglog "interrupt", 0
698 c_in_state = @components.values.group_by { |c|
699 c[:job] and c[:job][:state]
701 succeeded = c_in_state["Complete"].andand.count || 0
702 failed = (c_in_state["Failed"].andand.count || 0) + (c_in_state["Cancelled"].andand.count || 0)
703 ended = succeeded + failed
705 success = (succeeded == @components.length)
707 # A job create call failed. Just give up.
708 if job_creation_failed > 0
709 debuglog "job creation failed - giving up on this pipeline instance", 0
716 @instance[:state] = 'Complete'
718 @instance[:state] = 'Paused'
721 if ended == @components.length or failed > 0
722 @instance[:state] = success ? 'Complete' : 'Failed'
726 if @instance[:finished_at].nil? and ['Complete', 'Failed'].include? @instance[:state]
727 @instance[:finished_at] = Time.now
730 debuglog "pipeline instance state is #{@instance[:state]}"
732 # set components_summary
733 components_summary = {"todo" => @components.length - ended, "done" => succeeded, "failed" => failed}
734 @instance[:components_summary] = components_summary
740 if @instance and @instance[:state] == 'RunningOnClient'
741 @instance[:state] = 'Paused'
755 if @options[:status_json] != '/dev/null'
756 File.open(@options[:status_json], 'w') do |f|
757 f.puts @components.pretty_inspect
761 if @options[:status_text] != '/dev/null'
762 File.open(@options[:status_text], 'w') do |f|
764 f.puts "#{Time.now} -- pipeline_instance #{@instance[:uuid]}"
765 namewidth = @components.collect { |cname, c| cname.size }.max
766 @components.each do |cname, c|
767 jstatus = if !c[:job]
769 else case c[:job][:state]
771 "#{c[:job][:tasks_summary].inspect}"
775 "cancelled #{c[:job][:cancelled_at]}"
777 "failed #{c[:job][:finished_at]}"
779 "queued #{c[:job][:created_at]}"
782 f.puts "#{cname.to_s.ljust namewidth} #{c[:job] ? c[:job][:uuid] : '-'.ljust(27)} #{jstatus}"
790 if ["New", "Ready", "RunningOnClient",
791 "RunningOnServer"].include?(@instance[:state])
792 @instance[:state] = "Failed"
793 @instance[:finished_at] = Time.now
796 @instance.log_stderr(msg)
802 runner = WhRunPipelineInstance.new($options)
804 if $options[:template]
805 runner.fetch_template($options[:template])
807 runner.fetch_instance($options[:instance])
809 runner.apply_parameters(p.leftovers)
810 runner.setup_instance
813 puts runner.instance[:uuid]
817 rescue Exception => e