+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
require 'whitelist_update'
class ContainerRequest < ArvadosModel
serialize :mounts, Hash
serialize :runtime_constraints, Hash
serialize :command, Array
+ serialize :scheduling_parameters, Hash
before_validation :fill_field_defaults, :if => :new_record?
+ before_validation :validate_runtime_constraints
+ before_validation :validate_scheduling_parameters
before_validation :set_container
validates :command, :container_image, :output_path, :cwd, :presence => true
+ validates :output_ttl, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
validate :validate_state_change
- validate :validate_change
- validate :validate_runtime_constraints
+ validate :check_update_whitelist
after_save :update_priority
after_save :finalize_if_needed
before_create :set_requesting_container_uuid
t.add :environment
t.add :expires_at
t.add :filters
+ t.add :log_uuid
t.add :mounts
t.add :name
+ t.add :output_name
t.add :output_path
+ t.add :output_uuid
+ t.add :output_ttl
t.add :priority
t.add :properties
t.add :requesting_container_uuid
t.add :runtime_constraints
+ t.add :scheduling_parameters
t.add :state
t.add :use_existing
end
Committed => [Final]
}
+ AttrsPermittedAlways = [:owner_uuid, :state, :name, :description]
+ AttrsPermittedBeforeCommit = [:command, :container_count_max,
+ :container_image, :cwd, :environment, :filters, :mounts,
+ :output_path, :priority, :properties, :requesting_container_uuid,
+ :runtime_constraints, :state, :container_uuid, :use_existing,
+ :scheduling_parameters, :output_name, :output_ttl]
+
+ def self.limit_index_columns_read
+ ["mounts"]
+ end
+
def state_transitions
State_transitions
end
# Finalize the container request after the container has
# finished/cancelled.
def finalize!
- update_attributes!(state: Final)
+ out_coll = nil
+ log_coll = nil
c = Container.find_by_uuid(container_uuid)
['output', 'log'].each do |out_type|
pdh = c.send(out_type)
next if pdh.nil?
- manifest = Collection.where(portable_data_hash: pdh).first.manifest_text
- Collection.create!(owner_uuid: owner_uuid,
- manifest_text: manifest,
- portable_data_hash: pdh,
- name: "Container #{out_type} for request #{uuid}",
- properties: {
- 'type' => out_type,
- 'container_request' => uuid,
- })
+ coll_name = "Container #{out_type} for request #{uuid}"
+ trash_at = nil
+ if out_type == 'output'
+ if self.output_name
+ coll_name = self.output_name
+ end
+ if self.output_ttl > 0
+ trash_at = db_current_time + self.output_ttl
+ end
+ end
+ manifest = Collection.unscoped do
+ Collection.where(portable_data_hash: pdh).first.manifest_text
+ end
+
+ coll = Collection.new(owner_uuid: owner_uuid,
+ manifest_text: manifest,
+ portable_data_hash: pdh,
+ name: coll_name,
+ trash_at: trash_at,
+ delete_at: trash_at,
+ properties: {
+ 'type' => out_type,
+ 'container_request' => uuid,
+ })
+ coll.save_with_unique_name!
+ if out_type == 'output'
+ out_coll = coll.uuid
+ else
+ log_coll = coll.uuid
+ end
end
+ update_attributes!(state: Final, output_uuid: out_coll, log_uuid: log_coll)
+ end
+
+ def self.full_text_searchable_columns
+ super - ["mounts"]
end
protected
self.mounts ||= {}
self.cwd ||= "."
self.container_count_max ||= Rails.configuration.container_count_max
- end
-
- # Create a new container (or find an existing one) to satisfy this
- # request.
- def resolve
- c_mounts = mounts_for_container
- c_runtime_constraints = runtime_constraints_for_container
- c_container_image = container_image_for_container
- c = act_as_system_user do
- c_attrs = {command: self.command,
- cwd: self.cwd,
- environment: self.environment,
- output_path: self.output_path,
- container_image: c_container_image,
- mounts: c_mounts,
- runtime_constraints: c_runtime_constraints}
-
- reusable = self.use_existing ? Container.find_reusable(c_attrs) : nil
- if not reusable.nil?
- reusable
- else
- Container.create!(c_attrs)
- end
- end
- self.container_uuid = c.uuid
- end
-
- # Return a runtime_constraints hash that complies with
- # self.runtime_constraints but is suitable for saving in a container
- # record, i.e., has specific values instead of ranges.
- #
- # Doing this as a step separate from other resolutions, like "git
- # revision range to commit hash", makes sense only when there is no
- # opportunity to reuse an existing container (e.g., container reuse
- # is not implemented yet, or we have already found that no existing
- # containers are suitable).
- def runtime_constraints_for_container
- rc = {}
- runtime_constraints.each do |k, v|
- if v.is_a? Array
- rc[k] = v[0]
- else
- rc[k] = v
- end
- end
- rc
- end
-
- # Return a mounts hash suitable for a Container, i.e., with every
- # readonly collection UUID resolved to a PDH.
- def mounts_for_container
- c_mounts = {}
- mounts.each do |k, mount|
- mount = mount.dup
- c_mounts[k] = mount
- if mount['kind'] != 'collection'
- next
- end
- if (uuid = mount.delete 'uuid')
- c = Collection.
- readable_by(current_user).
- where(uuid: uuid).
- select(:portable_data_hash).
- first
- if !c
- raise ArvadosModel::UnresolvableContainerError.new "cannot mount collection #{uuid.inspect}: not found"
- end
- if mount['portable_data_hash'].nil?
- # PDH not supplied by client
- mount['portable_data_hash'] = c.portable_data_hash
- elsif mount['portable_data_hash'] != c.portable_data_hash
- # UUID and PDH supplied by client, but they don't agree
- raise ArgumentError.new "cannot mount collection #{uuid.inspect}: current portable_data_hash #{c.portable_data_hash.inspect} does not match #{c['portable_data_hash'].inspect} in request"
- end
- end
- end
- return c_mounts
- end
-
- # Return a container_image PDH suitable for a Container.
- def container_image_for_container
- coll = Collection.for_latest_docker_image(container_image)
- if !coll
- raise ArvadosModel::UnresolvableContainerError.new "docker image #{container_image.inspect} not found"
- end
- return coll.portable_data_hash
+ self.scheduling_parameters ||= {}
+ self.output_ttl ||= 0
end
def set_container
return false
end
if state_changed? and state == Committed and container_uuid.nil?
- resolve
+ self.container_uuid = Container.resolve(self).uuid
end
if self.container_uuid != self.container_uuid_was
if self.container_count_changed?
def validate_runtime_constraints
case self.state
when Committed
- ['vcpus', 'ram'].each do |k|
- if not (runtime_constraints.include? k and
- runtime_constraints[k].is_a? Integer and
- runtime_constraints[k] > 0)
- errors.add :runtime_constraints, "#{k} must be a positive integer"
+ [['vcpus', true],
+ ['ram', true],
+ ['keep_cache_ram', false]].each do |k, required|
+ if !required && !runtime_constraints.include?(k)
+ next
+ end
+ v = runtime_constraints[k]
+ unless (v.is_a?(Integer) && v > 0)
+ errors.add(:runtime_constraints,
+ "[#{k}]=#{v.inspect} must be a positive integer")
end
end
end
end
- def validate_change
- permitted = [:owner_uuid]
+ def validate_scheduling_parameters
+ if self.state == Committed
+ if scheduling_parameters.include? 'partitions' and
+ (!scheduling_parameters['partitions'].is_a?(Array) ||
+ scheduling_parameters['partitions'].reject{|x| !x.is_a?(String)}.size !=
+ scheduling_parameters['partitions'].size)
+ errors.add :scheduling_parameters, "partitions must be an array of strings"
+ end
+ end
+ end
- case self.state
- when Uncommitted
- # Permit updating most fields
- permitted.push :command, :container_count_max,
- :container_image, :cwd, :description, :environment,
- :filters, :mounts, :name, :output_path, :priority,
- :properties, :requesting_container_uuid, :runtime_constraints,
- :state, :container_uuid, :use_existing
+ def check_update_whitelist
+ permitted = AttrsPermittedAlways.dup
+ if self.new_record? || self.state_was == Uncommitted
+ # Allow create-and-commit in a single operation.
+ permitted.push *AttrsPermittedBeforeCommit
+ end
+
+ case self.state
when Committed
- if container_uuid.nil?
- errors.add :container_uuid, "has not been resolved to a container."
- end
+ permitted.push :priority, :container_count_max, :container_uuid
- if priority.nil?
- errors.add :priority, "cannot be nil"
+ if self.container_uuid.nil?
+ self.errors.add :container_uuid, "has not been resolved to a container."
end
- # Can update priority, container count, name and description
- permitted.push :priority, :container_count, :container_count_max, :container_uuid, :name, :description
+ if self.priority.nil?
+ self.errors.add :priority, "cannot be nil"
+ end
- if self.state_changed?
- # Allow create-and-commit in a single operation.
- permitted.push :command, :container_image, :cwd, :description, :environment,
- :filters, :mounts, :name, :output_path, :properties,
- :requesting_container_uuid, :runtime_constraints,
- :state, :container_uuid
+ # Allow container count to increment by 1
+ if (self.container_uuid &&
+ self.container_uuid != self.container_uuid_was &&
+ self.container_count == 1 + (self.container_count_was || 0))
+ permitted.push :container_count
end
when Final
- if not current_user.andand.is_admin and not (self.name_changed? || self.description_changed?)
- errors.add :state, "of container request can only be set to Final by system."
+ if self.state_changed? and not current_user.andand.is_admin
+ self.errors.add :state, "of container request can only be set to Final by system."
end
- if self.state_changed? || self.name_changed? || self.description_changed?
- permitted.push :state, :name, :description
- else
- errors.add :state, "does not allow updates"
+ if self.state_was == Committed
+ permitted.push :output_uuid, :log_uuid
end
- else
- errors.add :state, "invalid value"
end
- check_update_whitelist permitted
+ super(permitted)
end
def update_priority