1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173

infra / config / PRESUBMIT.py [blame]

# Copyright 2018 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Enforces luci-milo.cfg consistency.

See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details on the presubmit API built into depot_tools.
"""

PRESUBMIT_VERSION = '2.0.0'


def CheckFreeze(input_api, output_api):
  return input_api.canned_checks.CheckInfraFreeze(input_api, output_api)


def CheckTests(input_api, output_api):
  glob = input_api.os_path.join(input_api.PresubmitLocalPath(), '*_test.py')
  tests = input_api.canned_checks.GetUnitTests(input_api, output_api,
                                               input_api.glob(glob))
  return input_api.RunTests(tests)


def CheckLintLuciMilo(input_api, output_api):
  if ('infra/config/generated/luci/luci-milo.cfg' in input_api.LocalPaths()
      or 'infra/config/lint-luci-milo.py' in input_api.LocalPaths()):
    return input_api.RunTests([
        input_api.Command(
            name='lint-luci-milo',
            cmd=[input_api.python3_executable, 'lint-luci-milo.py'],
            kwargs={},
            message=output_api.PresubmitError),
    ])
  return []

def CheckTestingBuildbot(input_api, output_api):
  if ('infra/config/generated/luci/luci-milo.cfg' in input_api.LocalPaths()
      or 'infra/config/generated/luci/luci-milo-dev.cfg'
      in input_api.LocalPaths()):
    return input_api.RunTests([
        input_api.Command(name='testing/buildbot config checks',
                          cmd=[
                              input_api.python3_executable,
                              input_api.os_path.join(
                                  '..',
                                  '..',
                                  'testing',
                                  'buildbot',
                                  'generate_buildbot_json.py',
                              ), '--check'
                          ],
                          kwargs={},
                          message=output_api.PresubmitError),
    ])
  return []

def CheckLucicfgGenOutputMain(input_api, output_api):
  return input_api.RunTests(input_api.canned_checks.CheckLucicfgGenOutput(
      input_api, output_api, 'main.star'))

def CheckLucicfgGenOutputDev(input_api, output_api):
  return input_api.RunTests(input_api.canned_checks.CheckLucicfgGenOutput(
      input_api, output_api, 'dev.star'))

def CheckChangedLUCIConfigs(input_api, output_api):
  return input_api.canned_checks.CheckChangedLUCIConfigs(
      input_api, output_api)


def CheckPylFilesSynced(input_api, output_api):
  return input_api.RunTests([
      input_api.Command(
          name='check-pyl-files-synced',
          cmd=[
              input_api.python3_executable,
              'scripts/sync-pyl-files.py',
              '--check',
          ],
          kwargs={},
          message=output_api.PresubmitError,
      ),
  ])


# Footer indicating a CL that is trying to address an outage by some mechanism
# other than those in infra/config/outages
_OUTAGE_ACTION_FOOTER = 'Infra-Config-Outage-Action'
# Footer acknowledging that an outages configuration is in effect when making an
# unrelated change
_IGNORE_OUTAGE_FOOTER = 'Infra-Config-Ignore-Outage'

def CheckOutagesConfigOnCommit(input_api, output_api):
  outages_pyl = input_api.os_path.join(
      input_api.PresubmitLocalPath(), 'generated/outages.pyl')
  with open(outages_pyl, encoding='utf-8') as f:
    outages_config = input_api.ast.literal_eval(f.read())

  if not outages_config:
    footers = input_api.change.GitFootersFromDescription()
    return [
        output_api.PresubmitError(
            'There is no outages configuration in effect, '
            'please remove the {} footer from your CL description.'
            .format(footer))
        for footer in (_OUTAGE_ACTION_FOOTER, _IGNORE_OUTAGE_FOOTER)
        if footer in footers
    ]

  # Any of the config files under infra/config/outages
  outages_config_files = set()
  # Any of the config files under infra/config/generated
  generated_config_files = set()
  # Any config files that are not under infra/config/outages or
  # infra/config/generated
  config_files = set()
  for p in input_api.LocalPaths():
    if p in ('README.md', 'OWNERS'):
      continue
    if p.startswith('infra/config/outages/'):
      outages_config_files.add(p)
      continue
    if p.startswith('infra/config/generated/'):
      generated_config_files.add(p)
      continue
    config_files.add(p)

  # If the only changes to non-generated config fies were the outages files,
  # assume the change was addressing an outage and that no additional mechanism
  # needs to be added
  if outages_config_files and not config_files:
    # REVIEWER: Should we prevent the footers from being here in this case?
    return []

  # If any non-generated, non-outages files were modified or if the generated
  # config files were modified without any config files being modified (lucicfg
  # change, etc.) then make sure the user knows that when the outages
  # configuration is disabled, the generated configuration may change
  if config_files or generated_config_files:
    footers = input_api.change.GitFootersFromDescription()

    has_action_footer = _OUTAGE_ACTION_FOOTER in footers
    has_ignore_footer = _IGNORE_OUTAGE_FOOTER in footers

    if has_action_footer and has_ignore_footer:
      return [
          output_api.PresubmitError(
              'Only one of {} or {} should be present in your CL description'
              .format(_OUTAGE_ACTION_FOOTER, _IGNORE_OUTAGE_FOOTER)),
      ]

    if not has_action_footer and not has_ignore_footer:
      outages_config_lines = ['{}: {}'.format(k, v)
                              for k, v in sorted(outages_config.items())]
      return [
          output_api.PresubmitError('\n'.join([
              'The following outages configuration is in effect:\n  {}'.format(
                  '\n  '.join(outages_config_lines)),
              ('The effect of your change may not be visible '
               'in the generated configuration.'),
              ('If your change is addressing the outage, '
               'please add the footer {} with a link for the outage.'
               ).format(_OUTAGE_ACTION_FOOTER),
              ('If your change is not addressing the outage '
               'but you still wish to land it, please add the footer '
               '{} with a reason.').format(_IGNORE_OUTAGE_FOOTER),
              ('For more information on outages configuration, '
               'see https://chromium.googlesource.com/chromium/src/+/HEAD/infra/config/outages'
               ),
          ])),
      ]

  return []