Merge branch '21600-banner-tests'
[arvados.git] / services / api / app / models / container_request.rb
index 911603590586a6e1cbaddb8a2f575940ff0d8cd3..f5789f31f684f89b2ac553de09cc199dfba005aa 100644 (file)
@@ -12,12 +12,15 @@ class ContainerRequest < ArvadosModel
   include CommonApiTemplate
   include WhitelistUpdate
 
-  belongs_to :container, foreign_key: :container_uuid, primary_key: :uuid
-  belongs_to :requesting_container, {
-               class_name: 'Container',
-               foreign_key: :requesting_container_uuid,
-               primary_key: :uuid,
-             }
+  belongs_to :container,
+             foreign_key: 'container_uuid',
+             primary_key: 'uuid',
+             optional: true
+  belongs_to :requesting_container,
+             class_name: 'Container',
+             foreign_key: 'requesting_container_uuid',
+             primary_key: 'uuid',
+             optional: true
 
   # Posgresql JSONB columns should NOT be declared as serialized, Rails 5
   # already know how to properly treat them.
@@ -33,6 +36,7 @@ class ContainerRequest < ArvadosModel
   serialize :scheduling_parameters, Hash
 
   after_find :fill_container_defaults_after_find
+  after_initialize { @state_was_when_initialized = self.state_was } # see finalize_if_needed
   before_validation :fill_field_defaults, :if => :new_record?
   before_validation :fill_container_defaults
   validates :command, :container_image, :output_path, :cwd, :presence => true
@@ -80,6 +84,7 @@ class ContainerRequest < ArvadosModel
     t.add :use_existing
     t.add :output_storage_classes
     t.add :output_properties
+    t.add :cumulative_cost
   end
 
   # Supported states for a container request
@@ -162,7 +167,7 @@ class ContainerRequest < ArvadosModel
         end
       elsif state == Committed
         # Behave as if the container is cancelled
-        update_attributes!(state: Final)
+        update!(state: Final)
       end
       return true
     end
@@ -173,8 +178,39 @@ class ContainerRequest < ArvadosModel
   def finalize!
     container = Container.find_by_uuid(container_uuid)
     if !container.nil?
-      update_collections(container: container)
+      # We don't want to add the container cost if the container was
+      # already finished when this CR was committed. But we are
+      # running in an after_save hook after a lock/reload, so
+      # state_was has already been updated to Committed regardless.
+      # Hence the need for @state_was_when_initialized.
+      if @state_was_when_initialized == Committed
+        # Add the final container cost to our cumulative cost (which
+        # may already be non-zero from previous attempts if
+        # container_count_max > 1).
+        self.cumulative_cost += container.cost + container.subrequests_cost
+      end
+
+      # Add our cumulative cost to the subrequests_cost of the
+      # requesting container, if any.
+      if self.requesting_container_uuid
+        Container.where(
+          uuid: self.requesting_container_uuid,
+          state: Container::Running,
+        ).each do |c|
+          c.subrequests_cost += self.cumulative_cost
+          c.save!
+        end
+      end
 
+      update_collections(container: container)
+      # update_collections makes a log collection that includes all of the logs
+      # for all of the containers associated with this request. For requests
+      # that are retried, this is the primary way users can get logs for
+      # failed containers.
+      # The code below makes a log collection that is a verbatim copy of the
+      # container's logs. This is required for container reuse: a container
+      # will not be reused if the owner cannot read a collection with its logs.
+      # See the "readable log" section of Container.find_reusable().
       if container.state == Container::Complete
         log_col = Collection.where(portable_data_hash: container.log).first
         if log_col
@@ -195,10 +231,17 @@ class ContainerRequest < ArvadosModel
         end
       end
     end
-    update_attributes!(state: Final)
+    update!(state: Final)
   end
 
   def update_collections(container:, collections: ['log', 'output'])
+
+    # Check if parent is frozen or trashed, in which case it isn't
+    # valid to create new collections in the project, so return
+    # without creating anything.
+    owner = Group.find_by_uuid(self.owner_uuid)
+    return if owner && !owner.admin_change_permitted
+
     collections.each do |out_type|
       pdh = container.send(out_type)
       next if pdh.nil?
@@ -267,6 +310,10 @@ class ContainerRequest < ArvadosModel
     super - ["mounts", "secret_mounts", "secret_mounts_md5", "runtime_token", "output_storage_classes"]
   end
 
+  def set_priority_zero
+    self.update!(priority: 0) if self.priority > 0 && self.state != Final
+  end
+
   protected
 
   def fill_field_defaults
@@ -294,6 +341,10 @@ class ContainerRequest < ArvadosModel
       return false
     end
     if state_changed? and state == Committed and container_uuid.nil?
+      if self.command.length > 0 and self.command[0] == "arvados-cwl-runner"
+        # Special case, arvados-cwl-runner processes are always considered "supervisors"
+        self.scheduling_parameters['supervisor'] = true
+      end
       while true
         c = Container.resolve(self)
         c.lock!
@@ -311,10 +362,11 @@ class ContainerRequest < ArvadosModel
       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_container_uuid = self.container_uuid_was
+      old_container_log = Container.where(uuid: old_container_uuid).pluck(:log).first
+      return if old_container_log.nil?
 
-      old_logs = Collection.where(portable_data_hash: old_container.log).first
+      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
@@ -329,7 +381,7 @@ class ContainerRequest < ArvadosModel
       # 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)
+      dst.cp_r("./", "log for container #{old_container_uuid}", src)
       manifest = dst.manifest_text
 
       log_coll.assign_attributes(
@@ -418,8 +470,9 @@ class ContainerRequest < ArvadosModel
 
   def validate_scheduling_parameters
     if self.state == Committed
-      if scheduling_parameters.include? 'partitions' and
-         (!scheduling_parameters['partitions'].is_a?(Array) ||
+      if scheduling_parameters.include?('partitions') and
+        !scheduling_parameters['partitions'].nil? 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"
@@ -461,7 +514,7 @@ class ContainerRequest < ArvadosModel
 
     case self.state
     when Committed
-      permitted.push :priority, :container_count_max, :container_uuid
+      permitted.push :priority, :container_count_max, :container_uuid, :cumulative_cost
 
       if self.priority.nil?
         self.errors.add :priority, "cannot be nil"
@@ -478,7 +531,7 @@ class ContainerRequest < ArvadosModel
     when Final
       if self.state_was == Committed
         # "Cancel" means setting priority=0, state=Committed
-        permitted.push :priority
+        permitted.push :priority, :cumulative_cost
 
         if current_user.andand.is_admin
           permitted.push :output_uuid, :log_uuid
@@ -520,15 +573,8 @@ class ContainerRequest < ArvadosModel
 
   def update_priority
     return unless saved_change_to_state? || saved_change_to_priority? || saved_change_to_container_uuid?
-    act_as_system_user do
-      Container.
-        where('uuid in (?)', [container_uuid_before_last_save, self.container_uuid].compact).
-        map(&:update_priority!)
-    end
-  end
-
-  def set_priority_zero
-    self.update_attributes!(priority: 0) if self.state != Final
+    update_priorities container_uuid_before_last_save if !container_uuid_before_last_save.nil? and container_uuid_before_last_save != self.container_uuid
+    update_priorities self.container_uuid if self.container_uuid
   end
 
   def set_requesting_container_uuid