X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6f6ce90eb894bde190fd7522cbec037fe61fc25c..704dd826a498db11a052fe77a4953b0caa245c10:/services/api/app/models/container.rb

diff --git a/services/api/app/models/container.rb b/services/api/app/models/container.rb
index 83765fb1dc..b013776b98 100644
--- a/services/api/app/models/container.rb
+++ b/services/api/app/models/container.rb
@@ -24,6 +24,7 @@ class Container < ArvadosModel
   before_validation :fill_field_defaults, :if => :new_record?
   before_validation :set_timestamps
   validates :command, :container_image, :output_path, :cwd, :priority, :presence => true
+  validates :priority, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 1000 }
   validate :validate_state_change
   validate :validate_change
   validate :validate_lock
@@ -31,6 +32,7 @@ class Container < ArvadosModel
   after_validation :assign_auth
   before_save :sort_serialized_attrs
   after_save :handle_completed
+  after_save :propagate_priority
 
   has_many :container_requests, :foreign_key => :container_uuid, :class_name => 'ContainerRequest', :primary_key => :uuid
   belongs_to :auth, :class_name => 'ApiClientAuthorization', :foreign_key => :auth_uuid, :primary_key => :uuid
@@ -88,11 +90,25 @@ class Container < ArvadosModel
       self.priority = ContainerRequest.
         where(container_uuid: uuid,
               state: ContainerRequest::Committed).
-        maximum('priority')
+        maximum('priority') || 0
       self.save!
     end
   end
 
+  def propagate_priority
+    if self.priority_changed?
+      act_as_system_user do
+         # Update the priority of child container requests to match new priority
+         # of the parent container.
+         ContainerRequest.where(requesting_container_uuid: self.uuid,
+                                state: ContainerRequest::Committed).each do |cr|
+           cr.priority = self.priority
+           cr.save
+         end
+       end
+    end
+  end
+
   # Create a new container (or find an existing one) to satisfy the
   # given container request.
   def self.resolve(req)
@@ -318,7 +334,7 @@ class Container < ArvadosModel
     self.runtime_constraints ||= {}
     self.mounts ||= {}
     self.cwd ||= "."
-    self.priority ||= 1
+    self.priority ||= 0
     self.scheduling_parameters ||= {}
   end
 
@@ -421,12 +437,10 @@ class Container < ArvadosModel
     # that a container cannot "claim" a collection that it doesn't otherwise
     # have access to just by setting the output field to the collection PDH.
     if output_changed?
-      c = Collection.unscoped do
-        Collection.
-            readable_by(current_user).
+      c = Collection.
+            readable_by(current_user, {include_trash: true}).
             where(portable_data_hash: self.output).
             first
-      end
       if !c
         errors.add :output, "collection must exist and be readable by current user."
       end
@@ -501,7 +515,7 @@ class Container < ArvadosModel
             cr.with_lock do
               # Use row locking because this increments container_count
               cr.container_uuid = c.uuid
-              cr.save
+              cr.save!
             end
           end
         end
@@ -512,11 +526,21 @@ class Container < ArvadosModel
           cr.finalize!
         end
 
-        # Try to cancel any outstanding container requests made by this container.
-        ContainerRequest.where(requesting_container_uuid: uuid,
-                               state: ContainerRequest::Committed).each do |cr|
-          cr.priority = 0
-          cr.save
+        # Cancel outstanding container requests made by this container.
+        ContainerRequest.
+          includes(:container).
+          where(requesting_container_uuid: uuid,
+                state: ContainerRequest::Committed).each do |cr|
+          cr.update_attributes!(priority: 0)
+          cr.container.reload
+          if cr.container.state == Container::Queued || cr.container.state == Container::Locked
+            # If the child container hasn't started yet, finalize the
+            # child CR now instead of leaving it "on hold", i.e.,
+            # Queued with priority 0.  (OTOH, if the child is already
+            # running, leave it alone so it can get cancelled the
+            # usual way, get a copy of the log collection, etc.)
+            cr.update_attributes!(state: ContainerRequest::Final)
+          end
         end
       end
     end