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depot_tools/recipes/recipe_modules/bot_update/api.py

396 lines
16 KiB
Python

# Copyright 2014 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.
"""Recipe module to ensure a checkout is consistent on a bot."""
from recipe_engine import recipe_api
class BotUpdateApi(recipe_api.RecipeApi):
def __init__(self, issue, patch_issue, patchset, patch_set, patch_project,
repository, patch_repository_url, gerrit_ref, patch_ref,
patch_gerrit_url, rietveld, revision, parent_got_revision,
deps_revision_overrides, fail_patch, *args, **kwargs):
self._issue = issue or patch_issue
self._patchset = patchset or patch_set
self._repository = repository or patch_repository_url
self._gerrit_ref = gerrit_ref or patch_ref
self._gerrit = patch_gerrit_url
self._rietveld = rietveld
self._revision = revision
self._parent_got_revision = parent_got_revision
self._deps_revision_overrides = deps_revision_overrides
self._fail_patch = fail_patch
self._last_returned_properties = {}
super(BotUpdateApi, self).__init__(*args, **kwargs)
def __call__(self, name, cmd, **kwargs):
"""Wrapper for easy calling of bot_update."""
assert isinstance(cmd, (list, tuple))
bot_update_path = self.resource('bot_update.py')
kwargs.setdefault('infra_step', True)
env = self.m.step.get_from_context('env', {})
env.setdefault('PATH', '%(PATH)s')
env['PATH'] = self.m.path.pathsep.join([
env['PATH'], str(self._module.PACKAGE_REPO_ROOT)])
# These are to prevent git from hanging. If the git connection is slower
# than 1KB/s for more than 5 minutes then git will kill the connection
# and die with an error "error: RPC failed; curl 28 Operation too slow"
env['GIT_HTTP_LOW_SPEED_LIMIT'] = 1000
env['GIT_HTTP_LOW_SPEED_TIME'] = 300
with self.m.step.context({'env': env}):
return self.m.python(name, bot_update_path, cmd, **kwargs)
@property
def last_returned_properties(self):
return self._last_returned_properties
# DO NOT USE.
# TODO(tandrii): refactor this into tryserver.maybe_apply_patch
def apply_gerrit_ref(self, root, gerrit_no_reset=False,
gerrit_no_rebase_patch_ref=False, **kwargs):
apply_gerrit_path = self.resource('apply_gerrit.py')
kwargs.setdefault('infra_step', True)
env = self.m.step.get_from_context('env', {})
env.setdefault('PATH', '%(PATH)s')
env['PATH'] = self.m.path.pathsep.join([
env['PATH'], str(self._module.PACKAGE_REPO_ROOT)])
cmd = [
'--gerrit_repo', self._repository,
'--gerrit_ref', self._gerrit_ref or '',
'--root', str(root),
]
if gerrit_no_reset:
cmd.append('--gerrit_no_reset')
if gerrit_no_rebase_patch_ref:
cmd.append('--gerrit_no_rebase_patch_ref')
with self.m.step.context({'env': env}):
return self.m.python('apply_gerrit', apply_gerrit_path, cmd, **kwargs)
def ensure_checkout(self, gclient_config=None, suffix=None,
patch=True, update_presentation=True,
patch_root=None, no_shallow=False,
with_branch_heads=False, with_tags=False, refs=None,
patch_oauth2=False, oauth2_json=False,
use_site_config_creds=True, clobber=False,
root_solution_revision=None, rietveld=None, issue=None,
patchset=None, gerrit_no_reset=False,
gerrit_no_rebase_patch_ref=False, **kwargs):
"""
Args:
use_site_config_creds: If the oauth2 credentials are in the buildbot
site_config. See crbug.com/624212 for more information.
gclient_config: The gclient configuration to use when running bot_update.
If omitted, the current gclient configuration is used.
rietveld: The rietveld server to use. If omitted, will infer from
the 'rietveld' property.
issue: The rietveld issue number to use. If omitted, will infer from
the 'issue' property.
patchset: The rietveld issue patchset to use. If omitted, will infer from
the 'patchset' property.
"""
refs = refs or []
# We can re-use the gclient spec from the gclient module, since all the
# data bot_update needs is already configured into the gclient spec.
cfg = gclient_config or self.m.gclient.c
assert cfg is not None, (
'missing gclient_config or forgot api.gclient.set_config(...) before?')
# Only one of these should exist.
assert not (oauth2_json and patch_oauth2)
# Construct our bot_update command. This basically be inclusive of
# everything required for bot_update to know:
root = patch_root
if root is None:
root = self.m.gclient.calculate_patch_root(
self.m.properties.get('patch_project'), cfg)
if patch:
issue = issue or self._issue
patchset = patchset or self._patchset
gerrit_repo = self._repository
gerrit_ref = self._gerrit_ref
else:
# The trybot recipe sometimes wants to de-apply the patch. In which case
# we pretend the issue/patchset never existed.
issue = patchset = email_file = key_file = None
gerrit_repo = gerrit_ref = None
# Issue and patchset must come together.
if issue:
assert patchset
if patchset:
assert issue
# The gerrit_ref and gerrit_repo must be together or not at all. If one is
# missing, clear both of them.
if not gerrit_ref or not gerrit_repo:
gerrit_repo = gerrit_ref = None
assert (gerrit_ref != None) == (gerrit_repo != None)
if gerrit_ref:
# Gerrit patches have historically not specified issue and patchset.
# resourece/bot_update has as a result implicit assumption that set issue
# implies Rietveld patch.
# TODO(tandrii): fix this madness.
issue = patchset = None
# Point to the oauth2 auth files if specified.
# These paths are where the bots put their credential files.
oauth2_json_file = email_file = key_file = None
if oauth2_json:
if self.m.platform.is_win:
oauth2_json_file = 'C:\\creds\\refresh_tokens\\internal-try'
else:
oauth2_json_file = '/creds/refresh_tokens/internal-try'
elif patch_oauth2:
# TODO(martiniss): remove this hack :(. crbug.com/624212
if use_site_config_creds:
try:
build_path = self.m.path['build']
except KeyError:
raise self.m.step.StepFailure(
'build path is not defined. This is normal for LUCI builds. '
'In LUCI, use_site_config_creds parameter of '
'bot_update.ensure_checkout is not supported')
email_file = build_path.join('site_config', '.rietveld_client_email')
key_file = build_path.join('site_config', '.rietveld_secret_key')
else: #pragma: no cover
#TODO(martiniss): make this use path.join, so it works on windows
email_file = '/creds/rietveld/client_email'
key_file = '/creds/rietveld/secret_key'
# Allow patch_project's revision if necessary.
# This is important for projects which are checked out as DEPS of the
# gclient solution.
self.m.gclient.set_patch_project_revision(
self.m.properties.get('patch_project'), cfg)
reverse_rev_map = self.m.gclient.got_revision_reverse_mapping(cfg)
flags = [
# What do we want to check out (spec/root/rev/reverse_rev_map).
['--spec', self.m.gclient.config_to_pythonish(cfg)],
['--patch_root', root],
['--revision_mapping_file', self.m.json.input(reverse_rev_map)],
['--git-cache-dir', cfg.cache_dir],
# How to find the patch, if any (issue/patchset).
['--issue', issue],
['--patchset', patchset],
['--rietveld_server', rietveld or self._rietveld],
['--gerrit_repo', gerrit_repo],
['--gerrit_ref', gerrit_ref],
['--apply_issue_email_file', email_file],
['--apply_issue_key_file', key_file],
['--apply_issue_oauth2_file', oauth2_json_file],
# Hookups to JSON output back into recipes.
['--output_json', self.m.json.output()],]
# Collect all fixed revisions to simulate them in the json output.
# Fixed revision are the explicit input revisions of bot_update.py, i.e.
# every command line parameter "--revision name@value".
fixed_revisions = {}
revisions = {}
for solution in cfg.solutions:
if solution.revision:
revisions[solution.name] = solution.revision
elif solution == cfg.solutions[0]:
revisions[solution.name] = (
self._parent_got_revision or
self._revision or
'HEAD')
if self.m.gclient.c and self.m.gclient.c.revisions:
revisions.update(self.m.gclient.c.revisions)
if cfg.solutions and root_solution_revision:
revisions[cfg.solutions[0].name] = root_solution_revision
# Allow for overrides required to bisect into rolls.
revisions.update(self._deps_revision_overrides)
for name, revision in sorted(revisions.items()):
fixed_revision = self.m.gclient.resolve_revision(revision)
if fixed_revision:
fixed_revisions[name] = fixed_revision
flags.append(['--revision', '%s@%s' % (name, fixed_revision)])
# Add extra fetch refspecs.
for ref in refs:
flags.append(['--refs', ref])
# Filter out flags that are None.
cmd = [item for flag_set in flags
for item in flag_set if flag_set[1] is not None]
if clobber:
cmd.append('--clobber')
if no_shallow:
cmd.append('--no_shallow')
if with_branch_heads or cfg.with_branch_heads:
cmd.append('--with_branch_heads')
if with_tags:
cmd.append('--with_tags')
if gerrit_no_reset:
cmd.append('--gerrit_no_reset')
if gerrit_no_rebase_patch_ref:
cmd.append('--gerrit_no_rebase_patch_ref')
# Inject Json output for testing.
first_sln = cfg.solutions[0].name
step_test_data = lambda: self.test_api.output_json(
root, first_sln, reverse_rev_map, self._fail_patch,
fixed_revisions=fixed_revisions)
# Add suffixes to the step name, if specified.
name = 'bot_update'
if not patch:
name += ' (without patch)'
if suffix:
name += ' - %s' % suffix
# Ah hah! Now that everything is in place, lets run bot_update!
step_result = None
try:
# 87 and 88 are the 'patch failure' codes for patch download and patch
# apply, respectively. We don't actually use the error codes, and instead
# rely on emitted json to determine cause of failure.
step_result = self(name, cmd, step_test_data=step_test_data,
ok_ret=(0, 87, 88), **kwargs)
except self.m.step.StepFailure as f:
step_result = f.result
raise
finally:
if step_result:
result = step_result.json.output
self._last_returned_properties = step_result.json.output.get(
'properties', {})
if update_presentation:
# Set properties such as got_revision.
for prop_name, prop_value in (
self.last_returned_properties.iteritems()):
step_result.presentation.properties[prop_name] = prop_value
# Add helpful step description in the step UI.
if 'step_text' in result:
step_text = result['step_text']
step_result.presentation.step_text = step_text
# Set the "checkout" path for the main solution.
# This is used by the Chromium module to figure out where to look for
# the checkout.
# If there is a patch failure, emit another step that said things
# failed.
if result.get('patch_failure'):
return_code = result.get('patch_apply_return_code')
patch_body = result.get('failed_patch_body')
try:
if return_code == 3:
# This is download failure, hence an infra failure.
with self.m.step.context({'infra_step': True}):
self.m.python.failing_step(
'Patch failure', 'Git reported a download failure')
else:
# This is actual patch failure.
self.m.tryserver.set_patch_failure_tryjob_result()
self.m.python.failing_step(
'Patch failure', 'See attached log. Try rebasing?')
except self.m.step.StepFailure as e:
if patch_body:
e.result.presentation.logs['patch error'] = (
patch_body.splitlines())
# bot_update actually just sets root to be the folder name of the
# first solution.
if result['did_run']:
co_root = result['root']
cwd = self.m.step.get_from_context('cwd', self.m.path['start_dir'])
if 'checkout' not in self.m.path:
self.m.path['checkout'] = cwd.join(*co_root.split(self.m.path.sep))
return step_result
def _resolve_fixed_revisions(self, bot_update_json):
"""Set all fixed revisions from the first sync to their respective
got_X_revision values.
If on the first sync, a revision was requested to be HEAD, this avoids
using HEAD potentially resolving to a different revision on the second
sync. Instead, we sync explicitly to whatever was checked out the first
time.
Example (chromium trybot used with v8 patch):
First sync was called with
bot_update.py --revision src@abc --revision src/v8@HEAD
Fixed revisions are: src, src/v8
Got_revision_mapping: src->got_revision, src/v8->got_v8_revision
got_revision = abc, got_v8_revision = deadbeef
Second sync will be called with
bot_update.py --revision src@abc --revision src/v8@deadbeef
Example (chromium trybot used with chromium DEPS change, changing v8 from
"v8_before" to "v8_after"):
First sync was called with
bot_update.py --revision src@abc
Fixed revisions are: src
Got_revision_mapping: src->got_revision, src/v8->got_v8_revision
got_revision = abc, got_v8_revision = v8_after
Second sync will be called with
bot_update.py --revision src@abc
When deapplying the patch, v8 will be synced to v8_before.
"""
for name in bot_update_json.get('fixed_revisions', {}):
rev_properties = self.get_project_revision_properties(name)
if (rev_properties and
bot_update_json['properties'].get(rev_properties[0])):
self.m.gclient.c.revisions[name] = str(
bot_update_json['properties'][rev_properties[0]])
# TODO(machenbach): Replace usages of this method eventually by direct calls
# to the manifest output.
def get_project_revision_properties(self, project_name, gclient_config=None):
"""Returns all property names used for storing the checked-out revision of
a given project.
Args:
project_name (str): The name of a checked-out project as deps path, e.g.
src or src/v8.
gclient_config: The gclient configuration to use. If omitted, the current
gclient configuration is used.
Returns (list of str): All properties that'll hold the checked-out revision
of the given project. An empty list if no such properties exist.
"""
cfg = gclient_config or self.m.gclient.c
# Sort for determinism. We might have several properties for the same
# project, e.g. got_revision and got_webrtc_revision.
rev_reverse_map = self.m.gclient.got_revision_reverse_mapping(cfg)
return sorted(
prop
for prop, project in rev_reverse_map.iteritems()
if project == project_name
)
def deapply_patch(self, bot_update_step):
"""Deapplies a patch, taking care of DEPS and solution revisions properly.
"""
bot_update_json = bot_update_step.json.output
# We only override first solution here to make sure that we correctly revert
# changes to DEPS file, which is particularly important for auto-rolls. It
# is also imporant that we do not assume that corresponding revision is
# stored in the 'got_revision' as some gclient configs change the default
# mapping for their own purposes.
first_solution_name = self.m.gclient.c.solutions[0].name
rev_property = self.get_project_revision_properties(first_solution_name)[0]
self.m.gclient.c.revisions[first_solution_name] = str(
bot_update_json['properties'][rev_property])
self._resolve_fixed_revisions(bot_update_json)
self.ensure_checkout(patch=False, update_presentation=False)