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 validate :ensure_script_version_is_commit
13 validate :find_docker_image_locator
15 has_many :commit_ancestors, :foreign_key => :descendant, :primary_key => :script_version
17 class SubmitIdReused < StandardError
20 api_accessible :user, extend: :common do |t|
24 t.add :script_parameters
27 t.add :cancelled_by_client_uuid
28 t.add :cancelled_by_user_uuid
34 t.add :is_locked_by_uuid
36 t.add :runtime_constraints
39 t.add :nondeterministic
41 t.add :supplied_script_version
42 t.add :docker_image_locator
46 update_attributes(finished_at: finished_at || Time.now,
47 success: success.nil? ? false : success,
52 self.where('started_at is ? and is_locked_by_uuid is ? and cancelled_at is ? and success is ?',
54 order('priority desc, created_at')
58 self.where('running = ?', true).
59 order('priority desc, created_at')
64 def foreign_key_attributes
65 super + %w(output log)
68 def skip_uuid_read_permission_check
69 super + %w(cancelled_by_client_uuid)
72 def skip_uuid_existence_check
73 super + %w(output log)
83 def ensure_script_version_is_commit
84 if self.is_locked_by_uuid and self.started_at
85 # Apparently client has already decided to go for it. This is
86 # needed to run a local job using a local working directory
87 # instead of a commit-ish.
90 if new_record? or script_version_changed?
91 sha1 = Commit.find_commit_range(current_user, self.repository, nil, self.script_version, nil)[0] rescue nil
93 self.supplied_script_version = self.script_version if self.supplied_script_version.nil? or self.supplied_script_version.empty?
94 self.script_version = sha1
96 self.errors.add :script_version, "#{self.script_version} does not resolve to a commit"
102 def ensure_unique_submit_id
104 if Job.where('submit_id=?',self.submit_id).first
105 raise SubmitIdReused.new
111 def find_docker_image_locator
112 # Find the Collection that holds the Docker image specified in the
113 # runtime constraints, and store its locator in docker_image_locator.
114 unless runtime_constraints.is_a? Hash
115 # We're still in validation stage, so we can't assume
116 # runtime_constraints isn't something horrible like an array or
117 # a string. Treat those cases as "no docker image supplied";
118 # other validations will fail anyway.
119 self.docker_image_locator = nil
122 image_search = runtime_constraints['docker_image']
123 image_tag = runtime_constraints['docker_image_tag']
125 self.docker_image_locator = nil
127 elsif coll = Collection.for_latest_docker_image(image_search, image_tag)
128 self.docker_image_locator = coll.portable_data_hash
131 errors.add(:docker_image_locator, "not found for #{image_search}")
138 queue = self.script_parameters.values
139 while not queue.empty?
140 queue = queue.flatten.compact.collect do |v|
144 v.match(/^(([0-9a-f]{32})\b(\+[^,]+)?,?)*$/) do |locator|
145 deps[locator.to_s] = true
154 def permission_to_update
155 if is_locked_by_uuid_was and !(current_user and
156 (current_user.uuid == is_locked_by_uuid_was or
157 current_user.uuid == system_user.uuid))
158 if script_changed? or
159 script_parameters_changed? or
160 script_version_changed? or
161 (!cancelled_at_was.nil? and
162 (cancelled_by_client_uuid_changed? or
163 cancelled_by_user_uuid_changed? or
164 cancelled_at_changed?)) or
165 started_at_changed? or
166 finished_at_changed? or
171 tasks_summary_changed?
172 logger.warn "User #{current_user.uuid if current_user} tried to change protected job attributes on locked #{self.class.to_s} #{uuid_was}"
176 if !is_locked_by_uuid_changed?
180 logger.warn "Anonymous user tried to change lock on #{self.class.to_s} #{uuid_was}"
182 elsif is_locked_by_uuid_was and is_locked_by_uuid_was != current_user.uuid
183 logger.warn "User #{current_user.uuid} tried to steal lock on #{self.class.to_s} #{uuid_was} from #{is_locked_by_uuid_was}"
185 elsif !is_locked_by_uuid.nil? and is_locked_by_uuid != current_user.uuid
186 logger.warn "User #{current_user.uuid} tried to lock #{self.class.to_s} #{uuid_was} with uuid #{is_locked_by_uuid}"
194 def update_modified_by_fields
195 if self.cancelled_at_changed?
196 # Ensure cancelled_at cannot be set to arbitrary non-now times,
197 # or changed once it is set.
198 if self.cancelled_at and not self.cancelled_at_was
199 self.cancelled_at = Time.now
200 self.cancelled_by_user_uuid = current_user.uuid
201 self.cancelled_by_client_uuid = current_api_client.andand.uuid
202 @need_crunch_dispatch_trigger = true
204 self.cancelled_at = self.cancelled_at_was
205 self.cancelled_by_user_uuid = self.cancelled_by_user_uuid_was
206 self.cancelled_by_client_uuid = self.cancelled_by_client_uuid_was
212 def trigger_crunch_dispatch_if_cancelled
213 if @need_crunch_dispatch_trigger
214 File.open(Rails.configuration.crunch_refresh_trigger, 'wb') do
215 # That's all, just create/touch a file for crunch-job to see.