1 class Job < ArvadosModel
4 include CommonApiTemplate
5 attr_protected :docker_image_locator
6 serialize :script_parameters, Hash
7 serialize :runtime_constraints, Hash
8 serialize :tasks_summary, Hash
9 before_create :ensure_unique_submit_id
10 after_commit :trigger_crunch_dispatch_if_cancelled, :on => :update
11 before_validation :set_priority
12 before_validation :update_timestamps_when_state_changes
13 before_validation :update_state_from_old_state_attrs
14 validate :ensure_script_version_is_commit
15 validate :find_docker_image_locator
16 validate :validate_status
18 has_many :commit_ancestors, :foreign_key => :descendant, :primary_key => :script_version
19 has_many(:nodes, foreign_key: :job_uuid, primary_key: :uuid)
21 class SubmitIdReused < StandardError
24 api_accessible :user, extend: :common do |t|
28 t.add :script_parameters
31 t.add :cancelled_by_client_uuid
32 t.add :cancelled_by_user_uuid
39 t.add :is_locked_by_uuid
41 t.add :runtime_constraints
44 t.add :nondeterministic
46 t.add :supplied_script_version
47 t.add :docker_image_locator
53 # Supported states for a job
56 (Running = 'Running'),
57 (Cancelled = 'Cancelled'),
59 (Complete = 'Complete'),
63 update_attributes(finished_at: finished_at || Time.now,
64 success: success.nil? ? false : success,
73 self.where('state = ?', Queued).order('priority desc, created_at')
78 Job::queue.each do |j|
79 if j[:uuid] == self.uuid
87 self.where('running = ?', true).
88 order('priority desc, created_at')
93 def foreign_key_attributes
94 super + %w(output log)
97 def skip_uuid_read_permission_check
98 super + %w(cancelled_by_client_uuid)
101 def skip_uuid_existence_check
102 super + %w(output log)
106 if self.priority.nil?
112 def ensure_script_version_is_commit
113 if self.is_locked_by_uuid and self.started_at
114 # Apparently client has already decided to go for it. This is
115 # needed to run a local job using a local working directory
116 # instead of a commit-ish.
119 if new_record? or script_version_changed?
120 sha1 = Commit.find_commit_range(current_user, self.repository, nil, self.script_version, nil)[0] rescue nil
122 self.supplied_script_version = self.script_version if self.supplied_script_version.nil? or self.supplied_script_version.empty?
123 self.script_version = sha1
125 self.errors.add :script_version, "#{self.script_version} does not resolve to a commit"
131 def ensure_unique_submit_id
133 if Job.where('submit_id=?',self.submit_id).first
134 raise SubmitIdReused.new
140 def find_docker_image_locator
141 # Find the Collection that holds the Docker image specified in the
142 # runtime constraints, and store its locator in docker_image_locator.
143 unless runtime_constraints.is_a? Hash
144 # We're still in validation stage, so we can't assume
145 # runtime_constraints isn't something horrible like an array or
146 # a string. Treat those cases as "no docker image supplied";
147 # other validations will fail anyway.
148 self.docker_image_locator = nil
151 image_search = runtime_constraints['docker_image']
152 image_tag = runtime_constraints['docker_image_tag']
154 self.docker_image_locator = nil
156 elsif coll = Collection.for_latest_docker_image(image_search, image_tag)
157 self.docker_image_locator = coll.portable_data_hash
160 errors.add(:docker_image_locator, "not found for #{image_search}")
167 queue = self.script_parameters.values
168 while not queue.empty?
169 queue = queue.flatten.compact.collect do |v|
173 v.match(/^(([0-9a-f]{32})\b(\+[^,]+)?,?)*$/) do |locator|
174 deps[locator.to_s] = true
183 def permission_to_update
184 if is_locked_by_uuid_was and !(current_user and
185 (current_user.uuid == is_locked_by_uuid_was or
186 current_user.uuid == system_user.uuid))
187 if script_changed? or
188 script_parameters_changed? or
189 script_version_changed? or
190 (!cancelled_at_was.nil? and
191 (cancelled_by_client_uuid_changed? or
192 cancelled_by_user_uuid_changed? or
193 cancelled_at_changed?)) or
194 started_at_changed? or
195 finished_at_changed? or
200 tasks_summary_changed?
201 logger.warn "User #{current_user.uuid if current_user} tried to change protected job attributes on locked #{self.class.to_s} #{uuid_was}"
205 if !is_locked_by_uuid_changed?
209 logger.warn "Anonymous user tried to change lock on #{self.class.to_s} #{uuid_was}"
211 elsif is_locked_by_uuid_was and is_locked_by_uuid_was != current_user.uuid
212 logger.warn "User #{current_user.uuid} tried to steal lock on #{self.class.to_s} #{uuid_was} from #{is_locked_by_uuid_was}"
214 elsif !is_locked_by_uuid.nil? and is_locked_by_uuid != current_user.uuid
215 logger.warn "User #{current_user.uuid} tried to lock #{self.class.to_s} #{uuid_was} with uuid #{is_locked_by_uuid}"
223 def update_modified_by_fields
224 if self.cancelled_at_changed?
225 # Ensure cancelled_at cannot be set to arbitrary non-now times,
226 # or changed once it is set.
227 if self.cancelled_at and not self.cancelled_at_was
228 self.cancelled_at = Time.now
229 self.cancelled_by_user_uuid = current_user.uuid
230 self.cancelled_by_client_uuid = current_api_client.andand.uuid
231 @need_crunch_dispatch_trigger = true
233 self.cancelled_at = self.cancelled_at_was
234 self.cancelled_by_user_uuid = self.cancelled_by_user_uuid_was
235 self.cancelled_by_client_uuid = self.cancelled_by_client_uuid_was
241 def trigger_crunch_dispatch_if_cancelled
242 if @need_crunch_dispatch_trigger
243 File.open(Rails.configuration.crunch_refresh_trigger, 'wb') do
244 # That's all, just create/touch a file for crunch-job to see.
249 def update_timestamps_when_state_changes
250 return if not (state_changed? or new_record?)
253 self.started_at ||= Time.now
254 when Failed, Complete
255 self.finished_at ||= Time.now
257 self.cancelled_at ||= Time.now
260 # TODO: Remove the following case block when old "success" and
261 # "running" attrs go away. Until then, this ensures we still
262 # expose correct success/running flags to older clients, even if
263 # some new clients are writing only the new state attribute.
271 when Cancelled, Failed
278 self.running ||= false # Default to false instead of nil.
283 def update_state_from_old_state_attrs
284 # If a client has touched the legacy state attrs, update the
285 # "state" attr to agree with the updated values of the legacy
288 # TODO: Remove this method when old "success" and "running" attrs
290 if cancelled_at_changed? or
295 self.state = Cancelled
296 elsif success == false
298 elsif success == true
299 self.state = Complete
300 elsif running == true
310 if self.state.in?(States)
313 errors.add :state, "#{state.inspect} must be one of: #{States.inspect}"