Merge branch '18842-arv-mount-disk-config' refs #18842

[arvados.git] / services / api / app / models / arvados_model.rb

diff --git a/services/api/app/models/arvados_model.rb b/services/api/app/models/arvados_model.rb
index 7143378d2ff3779e50be6c7d766c4655f6e45564..1ff46c3616975f4d90e23b5ef4603facd1ccc217 100644 (file)
--- a/services/api/app/models/arvados_model.rb
+++ b/services/api/app/models/arvados_model.rb
@@ -478,12 +478,11 @@ class ArvadosModel < ApplicationRecord
       conn.exec_query 'SAVEPOINT save_with_unique_name'
       begin
         save!
+        conn.exec_query 'RELEASE SAVEPOINT save_with_unique_name'
       rescue ActiveRecord::RecordNotUnique => rn
         raise if max_retries == 0
         max_retries -= 1
 
-        conn.exec_query 'ROLLBACK TO SAVEPOINT save_with_unique_name'
-
         # Dig into the error to determine if it is specifically calling out a
         # (owner_uuid, name) uniqueness violation.  In this specific case, and
         # the client requested a unique name with ensure_unique_name==true,
@@ -501,6 +500,8 @@ class ArvadosModel < ApplicationRecord
         detail = err.result.error_field(PG::Result::PG_DIAG_MESSAGE_DETAIL)
         raise unless /^Key \(owner_uuid, name\)=\([a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}, .*?\) already exists\./.match detail
 
+        conn.exec_query 'ROLLBACK TO SAVEPOINT save_with_unique_name'
+
         new_name = "#{name_was} (#{db_current_time.utc.iso8601(3)})"
         if new_name == name
           # If the database is fast enough to do two attempts in the
@@ -518,10 +519,8 @@ class ArvadosModel < ApplicationRecord
             self[:current_version_uuid] = nil
           end
         end
-        conn.exec_query 'SAVEPOINT save_with_unique_name'
+
         retry
-      ensure
-        conn.exec_query 'RELEASE SAVEPOINT save_with_unique_name'
       end
     end
   end
@@ -951,6 +950,10 @@ class ArvadosModel < ApplicationRecord
   # value in the database to an implicit zero/false value in an update
   # request.
   def fill_container_defaults
+    # Make sure this is correctly sorted by key, because we merge in
+    # whatever is in the database on top of it, this will be the order
+    # that gets used downstream rather than the order the keys appear
+    # in the database.
     self.runtime_constraints = {
       'API' => false,
       'cuda' => {
@@ -958,8 +961,8 @@ class ArvadosModel < ApplicationRecord
         'driver_version' => '',
         'hardware_capability' => '',
       },
-      'keep_cache_ram' => 0,
       'keep_cache_disk' => 0,
+      'keep_cache_ram' => 0,
       'ram' => 0,
       'vcpus' => 0,
     }.merge(attributes['runtime_constraints'] || {})