Reland "Build delegation for perf tryjobs"

scripts/slave/recipe_modules/perf_try/build_state.py

Index: scripts/slave/recipe_modules/perf_try/build_state.py
diff --git a/scripts/slave/recipe_modules/perf_try/build_state.py b/scripts/slave/recipe_modules/perf_try/build_state.py
new file mode 100644
index 0000000000000000000000000000000000000000..db9c7a43c565aea993afb3a91c292d4c89c88392
--- /dev/null
+++ b/scripts/slave/recipe_modules/perf_try/build_state.py
@@ -0,0 +1,54 @@
+# Copyright 2015 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 json
+import uuid
+
+# This is a wrapper class of revision that stores its build path and
+# queries its status. Part of the code are adapted from the RevisionState
+# class from auto-bisect module
+class BuildState(object):
+
+  SUCCESS, WARNINGS, FAILURE, SKIPPED, EXCEPTION = range(5)
+
+  def __init__(self, api, commit_hash, with_patch):
+    super(BuildState, self).__init__()
+    self.api = api
+    self.commit_hash = str(commit_hash)
+    if api.m.properties.get('is_test'):
+      self._patch_hash = with_patch * '123456'
+    else:
+      self._patch_hash =  with_patch * str(uuid.uuid4()) # pragma: no cover
+    self.build_id = None
+    if with_patch:
+      self.bucket = 'chrome-perf-tryjob'
+    else:
+      self.bucket = 'chrome-perf'
+    self.build_file_path = self._get_build_file_path()
+
+  def _get_build_file_path(self):
+    revision_suffix = '%s.zip' % (self.commit_hash + self._patch_hash)
+    return self._get_platform_gs_prefix() + revision_suffix
+
+  def _get_platform_gs_prefix(self): # pragma: no cover
+    bot_name = self.api.m.properties.get('buildername', '')
+    if 'win' in bot_name:
+      if any(b in bot_name for b in ['x64', 'gpu']):
+        return 'gs://%s/Win x64 Builder/full-build-win32_' % self.bucket
+      return 'gs://%s/Win Builder/full-build-win32_' % self.bucket
+    if 'android' in bot_name:
+      if 'nexus9' in bot_name:
+        return 'gs://%s/android_perf_rel_arm64/full-build-linux_' % self.bucket
+      return 'gs://%s/android_perf_rel/full-build-linux_' % self.bucket
+    if 'mac' in bot_name:
+      return 'gs://%s/Mac Builder/full-build-mac_' % self.bucket
+    return 'gs://%s/Linux Builder/full-build-linux' % self.bucket
+
+  def is_completed(self):
+    result = self.api.m.buildbucket.get_build(self.build_id)
+    return result.stdout['build']['status'] == 'COMPLETED'
+
+  def is_build_archived(self): # pragma: no cover
+    result = self.api.m.buildbucket.get_build(self.build_id)
+    return result.stdout['build']['result'] == 'SUCCESS'