serialize :command, Array
serialize :scheduling_parameters, Hash
+ after_find :fill_container_defaults_after_find
before_validation :fill_field_defaults, :if => :new_record?
- before_validation :validate_runtime_constraints
+ before_validation :fill_container_defaults
before_validation :set_default_preemptible_scheduling_parameter
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 }
validates :priority, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 1000 }
validate :validate_datatypes
+ validate :validate_runtime_constraints
validate :validate_scheduling_parameters
validate :validate_state_change
validate :check_update_whitelist
end
def finalize_if_needed
- if state == Committed && Container.find_by_uuid(container_uuid).final?
- reload
- act_as_system_user do
- leave_modified_by_user_alone do
- finalize!
+ return if state != Committed
+ while true
+ # get container lock first, then lock current container request
+ # (same order as Container#handle_completed). Locking always
+ # reloads the Container and ContainerRequest records.
+ c = Container.find_by_uuid(container_uuid)
+ c.lock! if !c.nil?
+ self.lock!
+
+ if !c.nil? && container_uuid != c.uuid
+ # After locking, we've noticed a race, the container_uuid is
+ # different than the container record we just loaded. This
+ # can happen if Container#handle_completed scheduled a new
+ # container for retry and set container_uuid while we were
+ # waiting on the container lock. Restart the loop and get the
+ # new container.
+ redo
+ end
+
+ if !c.nil?
+ if state == Committed && c.final?
+ # The current container is
+ act_as_system_user do
+ leave_modified_by_user_alone do
+ finalize!
+ end
+ end
end
+ elsif state == Committed
+ # Behave as if the container is cancelled
+ update_attributes!(state: Final)
end
+ return true
end
end
# Finalize the container request after the container has
# finished/cancelled.
def finalize!
- update_collections(container: Container.find_by_uuid(container_uuid))
+ container = Container.find_by_uuid(container_uuid)
+ if !container.nil?
+ update_collections(container: container)
+
+ if container.state == Container::Complete
+ log_col = Collection.where(portable_data_hash: container.log).first
+ if log_col
+ # Need to save collection
+ completed_coll = Collection.new(
+ owner_uuid: self.owner_uuid,
+ name: "Container log for container #{container_uuid}",
+ properties: {
+ 'type' => 'log',
+ 'container_request' => self.uuid,
+ 'container_uuid' => container_uuid,
+ },
+ portable_data_hash: log_col.portable_data_hash,
+ manifest_text: log_col.manifest_text)
+ completed_coll.save_with_unique_name!
+ end
+ end
+ end
update_attributes!(state: Final)
end
collections.each do |out_type|
pdh = container.send(out_type)
next if pdh.nil?
+ c = Collection.where(portable_data_hash: pdh).first
+ next if c.nil?
+ manifest = c.manifest_text
+
coll_name = "Container #{out_type} for request #{uuid}"
trash_at = nil
if out_type == 'output'
- if self.output_name
+ if self.output_name and 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.where(portable_data_hash: pdh).first.manifest_text
coll_uuid = self.send(out_type + '_uuid')
coll = coll_uuid.nil? ? nil : Collection.where(uuid: coll_uuid).first
end
if out_type == "log"
+ # Copy the log into a merged collection
src = Arv::Collection.new(manifest)
dst = Arv::Collection.new(coll.manifest_text)
dst.cp_r("./", ".", src)
self.mounts ||= {}
self.secret_mounts ||= {}
self.cwd ||= "."
- self.container_count_max ||= Rails.configuration.container_count_max
+ self.container_count_max ||= Rails.configuration.Containers.MaxRetryAttempts
self.scheduling_parameters ||= {}
self.output_ttl ||= 0
self.priority ||= 0
return false
end
if state_changed? and state == Committed and container_uuid.nil?
- self.container_uuid = Container.resolve(self).uuid
+ while true
+ c = Container.resolve(self)
+ c.lock!
+ if c.state == Container::Cancelled
+ # Lost a race, we have a lock on the container but the
+ # container was cancelled in a different request, restart
+ # the loop and resolve request to a new container.
+ redo
+ end
+ self.container_uuid = c.uuid
+ break
+ end
end
if self.container_uuid != self.container_uuid_was
if self.container_count_changed?
errors.add :container_count, "cannot be updated directly."
return false
- else
- self.container_count += 1
- if self.container_uuid_was
- old_container = Container.find_by_uuid(self.container_uuid_was)
- old_logs = Collection.where(portable_data_hash: old_container.log).first
- if old_logs
- log_coll = self.log_uuid.nil? ? nil : Collection.where(uuid: self.log_uuid).first
- if self.log_uuid.nil?
- log_coll = Collection.new(
- owner_uuid: self.owner_uuid,
- name: coll_name = "Container log for request #{uuid}",
- manifest_text: "")
- end
+ end
- # copy logs from old container into CR's log collection
- src = Arv::Collection.new(old_logs.manifest_text)
- dst = Arv::Collection.new(log_coll.manifest_text)
- dst.cp_r("./", "log for container #{old_container.uuid}", src)
- manifest = dst.manifest_text
-
- log_coll.assign_attributes(
- portable_data_hash: Digest::MD5.hexdigest(manifest) + '+' + manifest.bytesize.to_s,
- manifest_text: manifest)
- log_coll.save_with_unique_name!
- self.log_uuid = log_coll.uuid
- end
- end
+ self.container_count += 1
+ return if self.container_uuid_was.nil?
+
+ old_container = Container.find_by_uuid(self.container_uuid_was)
+ return if old_container.nil?
+
+ old_logs = Collection.where(portable_data_hash: old_container.log).first
+ return if old_logs.nil?
+
+ log_coll = self.log_uuid.nil? ? nil : Collection.where(uuid: self.log_uuid).first
+ if self.log_uuid.nil?
+ log_coll = Collection.new(
+ owner_uuid: self.owner_uuid,
+ name: coll_name = "Container log for request #{uuid}",
+ manifest_text: "")
end
+
+ # copy logs from old container into CR's log collection
+ src = Arv::Collection.new(old_logs.manifest_text)
+ dst = Arv::Collection.new(log_coll.manifest_text)
+ dst.cp_r("./", "log for container #{old_container.uuid}", src)
+ manifest = dst.manifest_text
+
+ log_coll.assign_attributes(
+ portable_data_hash: Digest::MD5.hexdigest(manifest) + '+' + manifest.bytesize.to_s,
+ manifest_text: manifest)
+ log_coll.save_with_unique_name!
+ self.log_uuid = log_coll.uuid
end
end
def set_default_preemptible_scheduling_parameter
- c = get_requesting_container()
- if self.state == Committed
- # If preemptible instances (eg: AWS Spot Instances) are allowed,
- # ask them on child containers by default.
- if Rails.configuration.preemptible_instances and !c.nil? and
- self.scheduling_parameters['preemptible'].nil?
- self.scheduling_parameters['preemptible'] = true
- end
+ if Rails.configuration.Containers.UsePreemptibleInstances && state == Committed && get_requesting_container()
+ self.scheduling_parameters['preemptible'] = true
end
end
def validate_runtime_constraints
case self.state
when Committed
- [['vcpus', true],
- ['ram', true],
- ['keep_cache_ram', false]].each do |k, required|
- if !required && !runtime_constraints.include?(k)
- next
- end
+ ['vcpus', 'ram'].each do |k|
v = runtime_constraints[k]
- unless (v.is_a?(Integer) && v > 0)
+ if !v.is_a?(Integer) || v <= 0
errors.add(:runtime_constraints,
"[#{k}]=#{v.inspect} must be a positive integer")
end
scheduling_parameters['partitions'].size)
errors.add :scheduling_parameters, "partitions must be an array of strings"
end
- if !Rails.configuration.preemptible_instances and scheduling_parameters['preemptible']
+ if !Rails.configuration.Containers.UsePreemptibleInstances and scheduling_parameters['preemptible']
errors.add :scheduling_parameters, "preemptible instances are not allowed"
end
if scheduling_parameters.include? 'max_run_time' and
end
def update_priority
- return unless state_changed? || priority_changed? || container_uuid_changed?
+ return unless saved_change_to_state? || saved_change_to_priority? || saved_change_to_container_uuid?
act_as_system_user do
Container.
- where('uuid in (?)', [self.container_uuid_was, self.container_uuid].compact).
+ where('uuid in (?)', [container_uuid_before_last_save, self.container_uuid].compact).
map(&:update_priority!)
end
end
projects / arvados.git / blobdiff