X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/764334dee966e04161d411a9feb0074b99faa147..0eedf70afa34167275d2135837e866b13fac4178:/services/api/app/models/container.rb

diff --git a/services/api/app/models/container.rb b/services/api/app/models/container.rb
index e9d4f83658..7ec9845bc1 100644
--- a/services/api/app/models/container.rb
+++ b/services/api/app/models/container.rb
@@ -5,6 +5,7 @@
 require 'log_reuse_info'
 require 'whitelist_update'
 require 'safe_json'
+require 'update_priority'
 
 class Container < ArvadosModel
   include ArvadosModelUpdates
@@ -37,6 +38,7 @@ class Container < ArvadosModel
   before_save :scrub_secret_mounts
   after_save :handle_completed
   after_save :propagate_priority
+  after_commit { UpdatePriority.run_update_thread }
 
   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
@@ -126,7 +128,6 @@ class Container < ArvadosModel
       # Update the priority of child container requests to match new
       # priority of the parent container (ignoring requests with no
       # container assigned, because their priority doesn't matter).
-      ActiveRecord::Base.connection.execute('LOCK container_requests, containers IN EXCLUSIVE MODE')
       ContainerRequest.
         where(requesting_container_uuid: self.uuid,
               state: ContainerRequest::Committed).
@@ -316,11 +317,7 @@ class Container < ArvadosModel
     # (because state might have changed while acquiring the lock).
     check_lock_fail
     transaction do
-      begin
-        reload(lock: 'FOR UPDATE NOWAIT')
-      rescue
-        raise LockFailedError.new("cannot lock: other transaction in progress")
-      end
+      reload
       check_lock_fail
       update_attributes!(state: Locked)
     end
@@ -542,7 +539,6 @@ class Container < ArvadosModel
     if self.state_changed? and self.final?
       act_as_system_user do
 
-        ActiveRecord::Base.connection.execute('LOCK container_requests, containers IN EXCLUSIVE MODE')
         if self.state == Cancelled
           retryable_requests = ContainerRequest.where("container_uuid = ? and priority > 0 and state = 'Committed' and container_count < container_count_max", uuid)
         else