[Findit] Add link to swarming tasks.

appengine/findit/handlers/flake/check_flake.py

 # 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.
 
 import logging
 
 from google.appengine.api import users
 from google.appengine.ext import ndb
 
 from common import auth_util
 from common.base_handler import BaseHandler
 from common.base_handler import Permission
 from lib import time_util
 from model import analysis_status
 from model import triage_status
 from model.flake.flake_analysis_request import FlakeAnalysisRequest
 from model.flake.master_flake_analysis import MasterFlakeAnalysis
 from waterfall.flake import flake_analysis_service
 from waterfall.flake import triggering_sources
 
 
+SWARMING_TASK_BASE_URL = 'https://chromium-swarm.appspot.com'
+
+
 def _GetSuspectedFlakeAnalysisAndTriageResult(analysis):
   if analysis.suspected_flake_build_number is not None:
     return {
         'build_number': analysis.suspected_flake_build_number,
         'triage_result': (
             analysis.triage_history[-1].triage_result if analysis.triage_history
             else triage_status.UNTRIAGED)
     }
 
   return {}
@@ skipping 144 matching lines @@
     data['pending_time'] = time_util.FormatDuration(
         analysis.request_time,
         analysis.start_time or time_util.GetUTCNow())
     if analysis.status != analysis_status.PENDING:
       data['duration'] = time_util.FormatDuration(
           analysis.start_time,
           analysis.end_time or time_util.GetUTCNow())
 
     coordinates = []
     for data_point in analysis.data_points:
-      coordinates.append([data_point.build_number, data_point.pass_rate])
+      if data_point.task_id:
+        task_url = '%s/task?id=%s' % (
+            SWARMING_TASK_BASE_URL, data_point.task_id)
+        coordinates.append([
+            data_point.build_number, data_point.pass_rate, task_url])
+      else:
+        coordinates.append([
+            data_point.build_number, data_point.pass_rate, None])
 
     # Order by build number from earliest to latest.
     coordinates.sort(key=lambda x: x[0])
 
     data['pass_rates'] = coordinates
     return {
         'template': 'flake/result.html',
         'data': data
     }