[Findit] Add a sub-pipeline to detect first-known failure.

appengine/findit/model/build.py

Index: appengine/findit/model/build.py
diff --git a/appengine/findit/model/build.py b/appengine/findit/model/build.py
index 3dcd47a2c4cd9fe422fb5ccbe06ec990232887f5..49d18a4dfff925d0de755ec09a582bf1cfecee83 100644
--- a/appengine/findit/model/build.py
+++ b/appengine/findit/model/build.py
@@ -2,12 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import calendar
-
 from google.appengine.ext import ndb
 
-from model.build_analysis_status import BuildAnalysisStatus
-
 
 class Build(ndb.Model):
   """Represent a build cycle of a builder in a waterfall."""
@@ -29,19 +25,13 @@ class Build(ndb.Model):
   def GetBuild(master_name, builder_name, build_number):  # pragma: no cover
     return Build.CreateKey(master_name, builder_name, build_number).get()
 
-  def Reset(self):
-    """Reset to the state as if no analysis is run."""
-    self.analysis_status = BuildAnalysisStatus.PENDING
-    self.analysis_start_time = None
-    self.analysis_updated_time = None
-
-  # Information of the build.
   master_name = ndb.StringProperty(indexed=False)
   builder_name = ndb.StringProperty(indexed=False)
   build_number = ndb.IntegerProperty(indexed=False)
 
-  # Information of analysis processing.
-  analysis_status = ndb.IntegerProperty(
-      default=BuildAnalysisStatus.PENDING, indexed=False)
-  analysis_start_time = ndb.DateTimeProperty(indexed=False)
-  analysis_updated_time = ndb.DateTimeProperty(indexed=False)
+  data = ndb.JsonProperty(indexed=False, compressed=True)
+  last_crawled_time = ndb.DateTimeProperty(indexed=False)
+
+  start_time = ndb.DateTimeProperty(indexed=False)
+  completed = ndb.BooleanProperty(default=False, indexed=False)
+  result = ndb.IntegerProperty(indexed=False)