X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/c67624630594b481aa96d548282187720601abea..4127b85f2c1af611bb70d5ab469adac126d0a7a4:/services/api/app/models/job.rb

diff --git a/services/api/app/models/job.rb b/services/api/app/models/job.rb
index 17ca6cb9a6..9c8f724120 100644
--- a/services/api/app/models/job.rb
+++ b/services/api/app/models/job.rb
@@ -35,6 +35,7 @@ class Job < ArvadosModel
     t.add :tasks_summary
     t.add :dependencies
     t.add :log_stream_href
+    t.add :log_buffer
   end
 
   def assert_finished
@@ -57,6 +58,10 @@ class Job < ArvadosModel
 
   protected
 
+  def foreign_key_attributes
+    super + %w(output log)
+  end
+
   def ensure_script_version_is_commit
     if self.is_locked_by_uuid and self.started_at
       # Apparently client has already decided to go for it. This is
@@ -166,4 +171,14 @@ class Job < ArvadosModel
     end
   end
 
+  def log_buffer
+    begin
+      @@redis ||= Redis.new(:timeout => 0)
+      if @@redis.exists uuid
+        @@redis.getrange(uuid, 0 - 2**10, -1)
+      end
+    rescue Redis::CannotConnectError
+      return '(not available)'
+    end
+  end
 end