Change "cannot connect to redid" to be a raised exception

endpoints/api/build.py

@@ -11,6 +11,7 @@ from endpoints.common import start_build
 from endpoints.trigger import BuildTrigger
 from data import model
 from auth.permissions import ModifyRepositoryPermission
+from data.buildlogs import BuildStatusRetrievalError
 
 
 logger = logging.getLogger(__name__)
@@ -48,7 +49,11 @@ def trigger_view(trigger):
 
 
 def build_status_view(build_obj, can_write=False):
-  status = build_logs.get_status(build_obj.uuid)
+  try:
+    status = build_logs.get_status(build_obj.uuid)
+  except BuildStatusRetrievalError:
+    status = None
+
   logger.debug('Can write: %s job_config: %s', can_write, build_obj.job_config)
   resp = {
     'id': build_obj.uuid,
@@ -169,7 +174,10 @@ class RepositoryBuildLogs(RepositoryParamResource):
 
     start = int(request.args.get('start', 0))
 
-    count, logs = build_logs.get_log_entries(build.uuid, start)
+    try:
+      count, logs = build_logs.get_log_entries(build.uuid, start)
+    except BuildStatusRetrievalError:
+      count, logs = (0, [])
 
     response_obj.update({
       'start': start,