[Findit] Modify tryjob pipelines to trigger try jobs for test failure.

appengine/findit/waterfall/monitor_try_job_pipeline.py

Index: appengine/findit/waterfall/monitor_try_job_pipeline.py
diff --git a/appengine/findit/waterfall/monitor_try_job_pipeline.py b/appengine/findit/waterfall/monitor_try_job_pipeline.py
index e96e67e57915c5460b690edfb7089331d3bbcd7f..8bb932abae824546e2d222b8cd038ef6b6325204 100644
--- a/appengine/findit/waterfall/monitor_try_job_pipeline.py
+++ b/appengine/findit/waterfall/monitor_try_job_pipeline.py
@@ -5,22 +5,53 @@
 import time
 
 from common import buildbucket_client
+from common.buildbucket_client import BuildbucketBuild
 from model import wf_analysis_status
 from model.wf_try_job import WfTryJob
 from pipeline_wrapper import BasePipeline
 from pipeline_wrapper import pipeline
+from waterfall.try_job_type import TryJobType
 
 
 class MonitorTryJobPipeline(BasePipeline):
-  """A pipeline for monitoring a tryjob and recording results when it's done.
+  """A pipeline for monitoring a try job and recording results when it's done.
 
   The result will be stored to compile_results or test_results according to
   which type of build failure we are running try job for.
   """
 
+  def _UpdateTryJobResult(
+      self, status, master_name, builder_name, build_number, try_job_type,
+      try_job_id, try_job_url, result_content=None):
+    """Updates try job result based on responsed try job status and result."""
+    result = {
+        'report': result_content,
+        'url': try_job_url,
+        'try_job_id': try_job_id,
+    }
+
+    try_job_result = WfTryJob.Get(master_name, builder_name, build_number)
+    if try_job_type == TryJobType.COMPILE:
+      result_to_update = try_job_result.compile_results
+    else:
+      result_to_update = try_job_result.test_results
+    if (result_to_update and
+        result_to_update[-1]['try_job_id'] == try_job_id):
+      result_to_update[-1].update(result)
+    else:  # pragma: no cover
+      # Normally result for current try job should've been saved in
+      # schedule_try_job_pipeline, so this branch shouldn't be reached.
+      result_to_update.append(result)
+
+    if status == BuildbucketBuild.STARTED:  # pragma: no cover
+      try_job_result.status = wf_analysis_status.ANALYZING
+    try_job_result.put()
+    return result_to_update
+
   # Arguments number differs from overridden method - pylint: disable=W0221
   # TODO(chanli): Handle try job for test failures later.
-  def run(self, master_name, builder_name, build_number, try_job_id):
+  def run(
+      self, master_name, builder_name, build_number, try_job_type, try_job_id):
     assert try_job_id
 
     timeout_hours = 5  # Timeout after 5 hours.
@@ -32,46 +63,23 @@ class MonitorTryJobPipeline(BasePipeline):
       if error:  # pragma: no cover
         raise pipeline.Retry(
             'Error "%s" occurred. Reason: "%s"' % (error.message, error.reason))
-      elif build.status == 'COMPLETED':
-        result = {
-            'report': build.report,
-            'url': build.url,
-            'try_job_id': try_job_id,
-        }
-
-        try_job_result = WfTryJob.Get(master_name, builder_name, build_number)
-        if (try_job_result.compile_results and
-            try_job_result.compile_results[-1]['try_job_id'] == try_job_id):
-          try_job_result.compile_results[-1].update(result)
-        else:  # pragma: no cover
-          try_job_result.compile_results.append(result)
+      elif build.status == BuildbucketBuild.COMPLETED:
+        result_to_update = self._UpdateTryJobResult(
+            BuildbucketBuild.COMPLETED, master_name, builder_name, build_number,
+            try_job_type, try_job_id, build.url, build.report)
+        return result_to_update[-1]
 
-        try_job_result.put()
-        return try_job_result.compile_results[-1]
       else:  # pragma: no cover
-        if build.status == 'STARTED' and not already_set_started:
-          result = {
-              'report': None,
-              'url': build.url,
-              'try_job_id': try_job_id,
-          }
-
-          try_job_result = WfTryJob.Get(master_name, builder_name, build_number)
-          if (try_job_result.compile_results and
-              try_job_result.compile_results[-1]['try_job_id'] == try_job_id):
-            try_job_result.compile_results[-1].update(result)
-          else:  # pragma: no cover
-            # Normally result for current try job should've been saved in
-            # schedule_try_job_pipeline, so this branch shouldn't be reached.
-            try_job_result.compile_results.append(result)
-
-          try_job_result.status = wf_analysis_status.ANALYZING
-          try_job_result.put()
+        if build.status == BuildbucketBuild.STARTED and not already_set_started:
+          self._UpdateTryJobResult(
+              BuildbucketBuild.STARTED, master_name, builder_name, build_number,
+              try_job_type, try_job_id, build.url)
           already_set_started = True
 
         time.sleep(60)
 
       if time.time() > deadline:  # pragma: no cover
+        try_job_result = WfTryJob.Get(master_name, builder_name, build_number)
         try_job_result.status = wf_analysis_status.ERROR
         try_job_result.put()
         # Explicitly abort the whole pipeline.