Integrate sentry with the build worker.

util/exceptionlog.py

@@ -1,7 +1,15 @@
 from raven.contrib.flask import Sentry as FlaskSentry
 
+class FakeSentryClient(object):
+  def captureException(self, *args, **kwargs):
+    pass
+
+  def user_context(self, *args, **kwargs):
+    pass
+
 class FakeSentry(object):
-  pass
+  def __init__(self):
+    self.client = FakeSentryClient()
 
 class Sentry(object):
   def __init__(self, app=None):

workers/dockerfilebuild.py

@@ -21,7 +21,7 @@ from collections import defaultdict
 from data.queue import dockerfile_build_queue
 from data import model
 from workers.worker import Worker, WorkerUnhealthyException, JobException
-from app import userfiles as user_files, build_logs
+from app import userfiles as user_files, build_logs, sentry
 from util.safetar import safe_extractall
 from util.dockerfileparse import parse_dockerfile, ParsedDockerfile, serialize_dockerfile
 
@@ -141,6 +141,7 @@ class DockerfileBuildContext(object):
       self.__cleanup_images()
       self.__prune_cache()
     except APIError:
+      sentry.client.captureException()
       message = 'Docker installation is no longer healthy.'
       logger.exception(message)
       raise WorkerUnhealthyException(message)
@@ -450,6 +451,9 @@ class DockerfileBuildWorker(Worker):
   def process_queue_item(self, job_details):
     self._timeout.clear()
 
+    # Make sure we have more information for debugging problems
+    sentry.client.user_context(job_details)
+
     repository_build = model.get_repository_build(job_details['namespace'],
                                                   job_details['repository'],
                                                   job_details['build_uuid'])
@@ -540,6 +544,7 @@ class DockerfileBuildWorker(Worker):
       raise exc
 
     except Exception as exc:
+      sentry.client.captureException()
       log_appender('error', build_logs.PHASE)
       logger.exception('Exception when processing request.')
       repository_build.phase = 'error'