1 class Arvados::V1::JobsController < ApplicationController
2 accept_attribute_as_json :script_parameters, Hash
3 accept_attribute_as_json :runtime_constraints, Hash
4 accept_attribute_as_json :tasks_summary, Hash
5 skip_before_filter :find_object_by_uuid, :only => :queue
6 skip_before_filter :render_404_if_no_object, :only => :queue
9 [:repository, :script, :script_version, :script_parameters].each do |r|
12 :errors => ["#{r} attribute must be specified"]
13 }, status: :unprocessable_entity
17 # We used to ask for the minimum_, exclude_, and no_reuse params
18 # in the job resource. Now we advertise them as flags that alter
19 # the behavior of the create action.
20 [:minimum_script_version, :exclude_script_versions].each do |attr|
21 if resource_attrs.has_key? attr
22 params[attr] = resource_attrs.delete attr
25 if resource_attrs.has_key? :no_reuse
26 params[:find_or_create] = !resource_attrs.delete(:no_reuse)
29 if params[:find_or_create]
31 if @filters.empty? # Translate older creation parameters into filters.
32 @filters = [:repository, :script].map do |attrsym|
33 [attrsym.to_s, "=", resource_attrs[attrsym]]
35 @filters.append(["script_version", "in",
36 Commit.find_commit_range(current_user,
37 resource_attrs[:repository],
38 params[:minimum_script_version],
39 resource_attrs[:script_version],
40 params[:exclude_script_versions])])
41 if image_search = resource_attrs[:runtime_constraints].andand["docker_image"]
42 image_tag = resource_attrs[:runtime_constraints]["docker_image_tag"]
43 image_locator = Collection.
44 uuids_for_docker_image(image_search, image_tag, @read_users).first
45 return super if image_locator.nil? # We won't find anything to reuse.
46 @filters.append(["docker_image_locator", "=", image_locator])
48 @filters.append(["docker_image_locator", "=", nil])
50 else # Check specified filters for some reasonableness.
51 filter_names = @filters.map { |f| f.first }.uniq
52 ["repository", "script"].each do |req_filter|
53 if not filter_names.include?(req_filter)
54 raise ArgumentError.new("#{req_filter} filter required")
59 # Search for a reusable Job, and return it if found.
60 @objects = Job.readable_by(current_user)
65 if j.nondeterministic != true and
66 ((j.success == true and j.output != nil) or j.running == true) and
67 j.script_parameters == resource_attrs[:script_parameters]
69 # We'll use this if we don't find a job that has completed
72 # Record the first job in the list
76 # Ensure that all candidate jobs actually did produce the same output
77 if @object.output != j.output
83 @object ||= incomplete_job
94 reload_object_before_update
95 @object.update_attributes! cancelled_at: Time.now
100 Q_UPDATE_INTERVAL = 12
101 def initialize(job, opts={})
107 yield "#{@job.uuid} finished at #{@job.finished_at}\n"
110 while not @job.started_at
111 # send a summary (job queue + available nodes) to the client
112 # every few seconds while waiting for the job to start
113 last_ack_at ||= Time.now - Q_UPDATE_INTERVAL - 1
114 if Time.now - last_ack_at >= Q_UPDATE_INTERVAL
115 nodes_in_state = {idle: 0, alloc: 0}
116 ActiveRecord::Base.uncached do
117 Node.where('hostname is not ?', nil).collect do |n|
118 if n.info[:slurm_state]
119 nodes_in_state[n.info[:slurm_state]] ||= 0
120 nodes_in_state[n.info[:slurm_state]] += 1
124 job_queue = Job.queue
125 n_queued_before_me = 0
126 job_queue.each do |j|
127 break if j.uuid == @job.uuid
128 n_queued_before_me += 1
130 yield "#{Time.now}" \
131 " job #{@job.uuid}" \
132 " queue_position #{n_queued_before_me}" \
133 " queue_size #{job_queue.size}" \
134 " nodes_idle #{nodes_in_state[:idle]}" \
135 " nodes_alloc #{nodes_in_state[:alloc]}\n"
136 last_ack_at = Time.now
139 ActiveRecord::Base.uncached do
147 params[:order] ||= ['priority desc', 'created_at']
148 load_limit_offset_order_params
152 is_locked_by_uuid: nil,
157 find_objects_for_index
161 def self._queue_requires_parameters
162 self._index_requires_parameters
167 def load_filters_param
168 # Convert Job-specific git and Docker filters into normal SQL filters.
170 script_info = {"repository" => nil, "script" => nil}
171 script_range = {"exclude_versions" => []}
172 @filters.select! do |filter|
173 if (script_info.has_key? filter[0]) and (filter[1] == "=")
174 if script_info[filter[0]].nil?
175 script_info[filter[0]] = filter[2]
176 elsif script_info[filter[0]] != filter[2]
177 raise ArgumentError.new("incompatible #{filter[0]} filters")
181 when ["script_version", "in git"]
182 script_range["min_version"] = filter.last
184 when ["script_version", "not in git"]
186 script_range["exclude_versions"] += filter.last
188 script_range["exclude_versions"] << filter.last
191 when ["docker_image_locator", "in docker"], ["docker_image_locator", "not in docker"]
192 filter[1].sub!(/ docker$/, '')
193 search_list = filter[2].is_a?(Enumerable) ? filter[2] : [filter[2]]
194 filter[2] = search_list.flat_map do |search_term|
195 image_search, image_tag = search_term.split(':', 2)
196 Collection.uuids_for_docker_image(image_search, image_tag, @read_users)
204 # Build a real script_version filter from any "not? in git" filters.
205 if (script_range.size > 1) or script_range["exclude_versions"].any?
206 script_info.each_pair do |key, value|
208 raise ArgumentError.new("script_version filter needs #{key} filter")
211 last_version = begin resource_attrs[:script_version] rescue "HEAD" end
212 @filters.append(["script_version", "in",
213 Commit.find_commit_range(current_user,
214 script_info["repository"],
215 script_range["min_version"],
217 script_range["exclude_versions"])])