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      1 # Copyright 2013 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import json
      6 import optparse
      7 import os
      8 import pipes
      9 import subprocess
     10 import sys
     11 
     12 import bb_annotations
     13 
     14 sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
     15 from pylib import constants
     16 
     17 
     18 TESTING = 'BUILDBOT_TESTING' in os.environ
     19 
     20 BB_BUILD_DIR = os.path.abspath(
     21     os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, os.pardir,
     22     os.pardir, os.pardir, os.pardir, os.pardir))
     23 
     24 CHROME_SRC = os.path.abspath(
     25     os.path.join(os.path.dirname(__file__), '..', '..', '..'))
     26 
     27 # TODO: Figure out how to merge this with pylib.cmd_helper.OutDirectory().
     28 CHROME_OUT_DIR = os.path.join(CHROME_SRC, 'out')
     29 
     30 GOMA_DIR = os.environ.get('GOMA_DIR', os.path.join(BB_BUILD_DIR, 'goma'))
     31 
     32 GSUTIL_PATH = os.path.join(BB_BUILD_DIR, 'third_party', 'gsutil', 'gsutil')
     33 
     34 def CommandToString(command):
     35   """Returns quoted command that can be run in bash shell."""
     36   return ' '.join(map(pipes.quote, command))
     37 
     38 
     39 def SpawnCmd(command, stdout=None, cwd=CHROME_SRC):
     40   """Spawn a process without waiting for termination."""
     41   print '>', CommandToString(command)
     42   sys.stdout.flush()
     43   if TESTING:
     44     class MockPopen(object):
     45       @staticmethod
     46       def wait():
     47         return 0
     48       @staticmethod
     49       def communicate():
     50         return '', ''
     51     return MockPopen()
     52   return subprocess.Popen(command, cwd=cwd, stdout=stdout)
     53 
     54 
     55 def RunCmd(command, flunk_on_failure=True, halt_on_failure=False,
     56            warning_code=constants.WARNING_EXIT_CODE, stdout=None,
     57            cwd=CHROME_SRC):
     58   """Run a command relative to the chrome source root."""
     59   code = SpawnCmd(command, stdout, cwd).wait()
     60   print '<', CommandToString(command)
     61   if code != 0:
     62     print 'ERROR: process exited with code %d' % code
     63     if code != warning_code and flunk_on_failure:
     64       bb_annotations.PrintError()
     65     else:
     66       bb_annotations.PrintWarning()
     67     # Allow steps to have both halting (i.e. 1) and non-halting exit codes.
     68     if code != warning_code and halt_on_failure:
     69       print 'FATAL %d != %d' % (code, warning_code)
     70       sys.exit(1)
     71   return code
     72 
     73 
     74 def GetParser():
     75   def ConvertJson(option, _, value, parser):
     76     setattr(parser.values, option.dest, json.loads(value))
     77   parser = optparse.OptionParser()
     78   parser.add_option('--build-properties', action='callback',
     79                     callback=ConvertJson, type='string', default={},
     80                     help='build properties in JSON format')
     81   parser.add_option('--factory-properties', action='callback',
     82                     callback=ConvertJson, type='string', default={},
     83                     help='factory properties in JSON format')
     84   return parser
     85 
     86 
     87 def EncodeProperties(options):
     88   return ['--factory-properties=%s' % json.dumps(options.factory_properties),
     89           '--build-properties=%s' % json.dumps(options.build_properties)]
     90 
     91 
     92 def RunSteps(steps, step_cmds, options):
     93   unknown_steps = set(steps) - set(step for step, _ in step_cmds)
     94   if unknown_steps:
     95     print >> sys.stderr, 'FATAL: Unknown steps %s' % list(unknown_steps)
     96     sys.exit(1)
     97 
     98   for step, cmd in step_cmds:
     99     if step in steps:
    100       cmd(options)
    101