[Findit] Adding metadata for manually vs automatically triggered flake analyses

appengine/findit/waterfall/flake/triggering_sources.py

Index: appengine/findit/waterfall/flake/triggering_sources.py
diff --git a/appengine/findit/waterfall/flake/triggering_sources.py b/appengine/findit/waterfall/flake/triggering_sources.py
new file mode 100644
index 0000000000000000000000000000000000000000..aecbf20345e495dfa3888866a3dc33bffca9b2f9
--- /dev/null
+++ b/appengine/findit/waterfall/flake/triggering_sources.py
@@ -0,0 +1,29 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Sources for from where a flake analysis was triggered."""
+
+# An analysis was triggered directly through Findit.

[stgao, 2016/10/13 06:14:38]

Do you mean the UI?

[lijeffrey, 2016/10/14 23:45:21]

Done.

+FINDIT = 1
+
+# An analysis was triggered using Findit's API.
+FINDIT_API = 2
+
+
+def GetDescriptionForTriggeringSource(triggering_source, manually_triggered):
+  """Returns a human-readable description for where a request came from."""
+  template = 'The analysis was triggered %s through %s'
+
+  def _GetTriggeringSourceDescription(triggering_source):
+    source_to_description = {
+        FINDIT: 'Findit itself',
+        FINDIT_API: 'Findit API',

[stgao, 2016/10/13 06:14:38]

What's the difference here? "Findit API" doesn't belong to "Findit"?

[lijeffrey, 2016/10/14 23:45:21]

changed to FINDIT_UI, FINDIT_PIPELINE, and FINDIT_API

+    }
+    return source_to_description.get(triggering_source, 'other/unknown source')
+
+  def _GetTriggeringUserDescription(manually_triggered):
+    return 'manually' if manually_triggered else 'automatically'
+
+  return template % (_GetTriggeringUserDescription(manually_triggered),
+                     _GetTriggeringSourceDescription(triggering_source))