1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
5 require 'whitelist_update'
7 class ContainerRequest < ArvadosModel
8 include ArvadosModelUpdates
11 include CommonApiTemplate
12 include WhitelistUpdate
14 belongs_to :container, foreign_key: :container_uuid, primary_key: :uuid
15 belongs_to :requesting_container, {
16 class_name: 'Container',
17 foreign_key: :requesting_container_uuid,
21 serialize :properties, Hash
22 serialize :environment, Hash
23 serialize :mounts, Hash
24 serialize :runtime_constraints, Hash
25 serialize :command, Array
26 serialize :scheduling_parameters, Hash
27 serialize :secret_mounts, Hash
29 before_validation :fill_field_defaults, :if => :new_record?
30 before_validation :validate_runtime_constraints
31 before_validation :validate_scheduling_parameters
32 before_validation :set_container
33 validates :command, :container_image, :output_path, :cwd, :presence => true
34 validates :output_ttl, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
35 validates :priority, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 1000 }
36 validate :validate_state_change
37 validate :check_update_whitelist
38 validate :secret_mounts_key_conflict
39 before_save :scrub_secret_mounts
40 before_create :set_requesting_container_uuid
41 before_destroy :set_priority_zero
42 after_save :update_priority
43 after_save :finalize_if_needed
45 api_accessible :user, extend: :common do |t|
47 t.add :container_count
48 t.add :container_count_max
49 t.add :container_image
65 t.add :requesting_container_uuid
66 t.add :runtime_constraints
67 t.add :scheduling_parameters
72 # Supported states for a container request
75 (Uncommitted = 'Uncommitted'),
76 (Committed = 'Committed'),
81 nil => [Uncommitted, Committed],
82 Uncommitted => [Committed],
86 AttrsPermittedAlways = [:owner_uuid, :state, :name, :description, :properties]
87 AttrsPermittedBeforeCommit = [:command, :container_count_max,
88 :container_image, :cwd, :environment, :filters, :mounts,
89 :output_path, :priority,
90 :runtime_constraints, :state, :container_uuid, :use_existing,
91 :scheduling_parameters, :secret_mounts, :output_name, :output_ttl]
93 def self.limit_index_columns_read
98 super.except('secret_mounts')
101 def state_transitions
105 def skip_uuid_read_permission_check
106 # XXX temporary until permissions are sorted out.
107 %w(modified_by_client_uuid container_uuid requesting_container_uuid)
110 def finalize_if_needed
111 if state == Committed && Container.find_by_uuid(container_uuid).final?
113 act_as_system_user do
114 leave_modified_by_user_alone do
121 # Finalize the container request after the container has
122 # finished/cancelled.
126 c = Container.find_by_uuid(container_uuid)
127 ['output', 'log'].each do |out_type|
128 pdh = c.send(out_type)
130 coll_name = "Container #{out_type} for request #{uuid}"
132 if out_type == 'output'
134 coll_name = self.output_name
136 if self.output_ttl > 0
137 trash_at = db_current_time + self.output_ttl
140 manifest = Collection.where(portable_data_hash: pdh).first.manifest_text
142 coll = Collection.new(owner_uuid: owner_uuid,
143 manifest_text: manifest,
144 portable_data_hash: pdh,
150 'container_request' => uuid,
152 coll.save_with_unique_name!
153 if out_type == 'output'
159 update_attributes!(state: Final, output_uuid: out_coll, log_uuid: log_coll)
162 def self.full_text_searchable_columns
163 super - ["mounts", "secret_mounts", "secret_mounts_md5"]
168 def fill_field_defaults
169 self.state ||= Uncommitted
170 self.environment ||= {}
171 self.runtime_constraints ||= {}
174 self.container_count_max ||= Rails.configuration.container_count_max
175 self.scheduling_parameters ||= {}
176 self.output_ttl ||= 0
181 if (container_uuid_changed? and
182 not current_user.andand.is_admin and
183 not container_uuid.nil?)
184 errors.add :container_uuid, "can only be updated to nil."
187 if state_changed? and state == Committed and container_uuid.nil?
188 self.container_uuid = Container.resolve(self).uuid
190 if self.container_uuid != self.container_uuid_was
191 if self.container_count_changed?
192 errors.add :container_count, "cannot be updated directly."
195 self.container_count += 1
200 def validate_runtime_constraints
205 ['keep_cache_ram', false]].each do |k, required|
206 if !required && !runtime_constraints.include?(k)
209 v = runtime_constraints[k]
210 unless (v.is_a?(Integer) && v > 0)
211 errors.add(:runtime_constraints,
212 "[#{k}]=#{v.inspect} must be a positive integer")
218 def validate_scheduling_parameters
219 if self.state == Committed
220 if scheduling_parameters.include? 'partitions' and
221 (!scheduling_parameters['partitions'].is_a?(Array) ||
222 scheduling_parameters['partitions'].reject{|x| !x.is_a?(String)}.size !=
223 scheduling_parameters['partitions'].size)
224 errors.add :scheduling_parameters, "partitions must be an array of strings"
229 def check_update_whitelist
230 permitted = AttrsPermittedAlways.dup
232 if self.new_record? || self.state_was == Uncommitted
233 # Allow create-and-commit in a single operation.
234 permitted.push(*AttrsPermittedBeforeCommit)
239 permitted.push :priority, :container_count_max, :container_uuid
241 if self.container_uuid.nil?
242 self.errors.add :container_uuid, "has not been resolved to a container."
245 if self.priority.nil?
246 self.errors.add :priority, "cannot be nil"
249 # Allow container count to increment by 1
250 if (self.container_uuid &&
251 self.container_uuid != self.container_uuid_was &&
252 self.container_count == 1 + (self.container_count_was || 0))
253 permitted.push :container_count
257 if self.state_was == Committed
258 # "Cancel" means setting priority=0, state=Committed
259 permitted.push :priority
261 if current_user.andand.is_admin
262 permitted.push :output_uuid, :log_uuid
271 def secret_mounts_key_conflict
272 secret_mounts.each do |k, v|
273 if mounts.has_key?(k)
274 errors.add(:secret_mounts, 'conflict with non-secret mounts')
280 def scrub_secret_mounts
281 if self.state == Final
282 self.secret_mounts = {}
287 return unless state_changed? || priority_changed? || container_uuid_changed?
288 act_as_system_user do
290 where('uuid in (?)', [self.container_uuid_was, self.container_uuid].compact).
291 map(&:update_priority!)
295 def set_priority_zero
296 self.update_attributes!(priority: 0) if self.state != Final
299 def set_requesting_container_uuid
300 return if !current_api_client_authorization
301 if (c = Container.where('auth_uuid=?', current_api_client_authorization.uuid).select([:uuid, :priority]).first)
302 self.requesting_container_uuid = c.uuid
303 self.priority = c.priority>0 ? 1 : 0