Merge branch 'master' into 8654-arv-jobs-cwl-runner
[arvados.git] / services / api / app / models / job.rb
index 0923a6f4f304863f307e49c69f5648bff3144d89..afaae26375b6e8b1659205c439306cbb2e1d4eea 100644 (file)
@@ -11,8 +11,8 @@ class Job < ArvadosModel
   before_validation :set_priority
   before_validation :update_state_from_old_state_attrs
   validate :ensure_script_version_is_commit
-  validate :find_arvados_sdk_version
   validate :find_docker_image_locator
+  validate :find_arvados_sdk_version
   validate :validate_status
   validate :validate_state_change
   validate :ensure_no_collection_uuids_in_script_params
@@ -78,12 +78,13 @@ class Job < ArvadosModel
   end
 
   def queue_position
-    Job::queue.each_with_index do |job, index|
-      if job[:uuid] == self.uuid
-        return index
-      end
-    end
-    nil
+    # We used to report this accurately, but the implementation made queue
+    # API requests O(n**2) for the size of the queue.  See #8800.
+    # We've soft-disabled it because it's not clear we even want this
+    # functionality: now that we have Node Manager with support for multiple
+    # node sizes, "queue position" tells you very little about when a job will
+    # run.
+    state == Queued ? 0 : nil
   end
 
   def self.running
@@ -205,6 +206,10 @@ class Job < ArvadosModel
   end
 
   def find_docker_image_locator
+    runtime_constraints['docker_image'] =
+        Rails.configuration.default_docker_image_for_jobs if ((runtime_constraints.is_a? Hash) and
+                                                              (runtime_constraints['docker_image']).nil? and
+                                                              Rails.configuration.default_docker_image_for_jobs)
     resolve_runtime_constraint("docker_image",
                                :docker_image_locator) do |image_search|
       image_tag = runtime_constraints['docker_image_tag']