def Get(self):
link_error_tests = ('broken_links', 'orphaned_pages', 'link_errors')
if not self._request.path in link_error_tests:
return Response.NotFound(
'Test %s not found. Available tests are: %s' %
(self._request.path, ','.join(link_error_tests)))
constructor = InstanceServlet.GetConstructor(self._delegate)
def renderer(path):
return constructor(Request(path, '', self._request.headers)).Get()
link_tester = BrokenLinkTester(
InstanceServletRenderServletDelegate(
self._delegate).CreateServerInstance(), renderer)
if self._request.path == 'broken_links':
errors, content = link_tester.TestBrokenLinks()
elif self._request.path == 'orphaned_pages':
errors, content = link_tester.TestOrphanedPages()
else:
link_errors, link_content = link_tester.TestBrokenLinks()
orphaned_errors, orphaned_content = link_tester.TestOrphanedPages()
errors = link_errors + orphaned_errors
content = "%s\n%s" % (link_content, orphaned_content)
if errors:
return Response.InternalError(content=content)
return Response.Ok(content="%s test passed." % self._request.path)
def _GetImpl(self):
# Cron strategy:
#
# Collect all DataSources, the PlatformBundle, the ContentProviders, and
# any other statically renderered contents (e.g. examples content),
# and spin up taskqueue tasks which will refresh any cached data relevant
# to these assets.
#
# TODO(rockot/kalman): At the moment examples are not actually refreshed
# because they're too slow.
_log.info('starting')
server_instance = self._GetSafeServerInstance()
master_fs = server_instance.host_file_system_provider.GetMaster()
master_commit = master_fs.GetCommitID().Get()
# This is the guy that would be responsible for refreshing the cache of
# examples. Here for posterity, hopefully it will be added to the targets
# below someday.
render_refresher = RenderRefresher(server_instance, self._request)
# Get the default taskqueue
queue = taskqueue.Queue()
# GAE documentation specifies that it's bad to add tasks to a queue
# within one second of purging. We wait 2 seconds, because we like
# to go the extra mile.
queue.purge()
time.sleep(2)
success = True
try:
data_sources = CreateDataSources(server_instance)
targets = (
data_sources.items() +
[('content_providers', server_instance.content_providers),
('platform_bundle', server_instance.platform_bundle)])
title = 'initializing %s parallel targets' % len(targets)
_log.info(title)
timer = Timer()
for name, target in targets:
refresh_paths = target.GetRefreshPaths()
for path in refresh_paths:
queue.add(
taskqueue.Task(url='/_refresh/%s/%s' % (name, path),
params={'commit': master_commit}))
_log.info('%s took %s' % (title, timer.Stop().FormatElapsed()))
except:
# This should never actually happen (each cron step does its own
# conservative error checking), so re-raise no matter what it is.
_log.error('uncaught error: %s' % traceback.format_exc())
success = False
raise
finally:
_log.info('finished (%s)', 'success' if success else 'FAILED')
return (Response.Ok('Success')
if success else Response.InternalError('Failure'))
def _GetImpl(self):
path = self._request.path.strip('/')
parts = self._request.path.split('/', 1)
source_name = parts[0]
if len(parts) == 2:
source_path = parts[1]
else:
source_path = None
_log.info('starting refresh of %s DataSource %s' %
(source_name, '' if source_path is None else '[%s]' % source_path))
if 'commit' in self._request.arguments:
commit = self._request.arguments['commit']
else:
_log.warning('No commit given; refreshing from master. '
'This is probably NOT what you want.')
commit = None
server_instance = self._CreateServerInstance(commit)
success = True
try:
if source_name == 'platform_bundle':
data_source = server_instance.platform_bundle
elif source_name == 'content_providers':
data_source = server_instance.content_providers
else:
data_source = CreateDataSource(source_name, server_instance)
class_name = data_source.__class__.__name__
refresh_future = data_source.Refresh(source_path)
assert isinstance(refresh_future, Future), (
'%s.Refresh() did not return a Future' % class_name)
timer = Timer()
try:
refresh_future.Get()
except Exception as e:
_log.error('%s: error %s' % (class_name, traceback.format_exc()))
success = False
if IsFileSystemThrottledError(e):
return Response.ThrottledError('Throttled')
raise
finally:
_log.info('Refreshing %s took %s' %
(class_name, timer.Stop().FormatElapsed()))
except:
success = False
# This should never actually happen.
_log.error('uncaught error: %s' % traceback.format_exc())
raise
finally:
_log.info('finished (%s)', 'success' if success else 'FAILED')
return (Response.Ok('Success') if success else
Response.InternalError('Failure'))
def _GetImpl(self):
# Cron strategy:
#
# Find all public template files and static files, and render them. Most of
# the time these won't have changed since the last cron run, so it's a
# little wasteful, but hopefully rendering is really fast (if it isn't we
# have a problem).
logging.info('cron: starting')
# This is returned every time RenderServlet wants to create a new
# ServerInstance.
server_instance = self._GetSafeServerInstance()
def get_via_render_servlet(path):
request = Request(path, self._request.host, self._request.headers)
delegate = _SingletonRenderServletDelegate(server_instance)
return RenderServlet(request, delegate).Get()
def run_cron_for_dir(d, path_prefix=''):
success = True
start_time = time.time()
files = dict(
CreateURLsFromPaths(server_instance.host_file_system, d,
path_prefix))
logging.info('cron: rendering %s files from %s...' %
(len(files), d))
try:
for i, path in enumerate(files):
error = None
try:
response = get_via_render_servlet(path)
if response.status != 200:
error = 'Got %s response' % response.status
except DeadlineExceededError:
logging.error(
'cron: deadline exceeded rendering %s (%s of %s): %s'
%
(path, i + 1, len(files), traceback.format_exc()))
raise
except error:
pass
if error:
logging.error('cron: error rendering %s: %s' %
(path, error))
success = False
finally:
logging.info(
'cron: rendering %s files from %s took %s seconds' %
(len(files), d, time.time() - start_time))
return success
success = True
try:
# Render all of the publicly accessible files.
cron_runs = [
# Note: rendering the public templates will pull in all of the private
# templates.
(svn_constants.PUBLIC_TEMPLATE_PATH, ''),
# Note: rendering the public templates will have pulled in the .js
# and manifest.json files (for listing examples on the API reference
# pages), but there are still images, CSS, etc.
(svn_constants.STATIC_PATH, 'static/'),
]
if not IsDevServer():
cron_runs.append(
(svn_constants.EXAMPLES_PATH, 'extensions/examples/'))
# Note: don't try to short circuit any of this stuff. We want to run
# the cron for all the directories regardless of intermediate
# failures.
for path, path_prefix in cron_runs:
success = run_cron_for_dir(path,
path_prefix=path_prefix) and success
# TODO(kalman): Generic way for classes to request cron access. The next
# two special cases are ugly. It would potentially greatly speed up cron
# runs, too.
# Extension examples have zip files too. Well, so do apps, but the app
# file system doesn't get the Offline treatment so they don't need cron.
if not IsDevServer():
manifest_json = 'manifest.json'
example_zips = []
for root, _, files in server_instance.host_file_system.Walk(
svn_constants.EXAMPLES_PATH):
example_zips.extend(root + '.zip' for name in files
if name == manifest_json)
logging.info('cron: rendering %s example zips...' %
len(example_zips))
start_time = time.time()
try:
success = success and all(
get_via_render_servlet('extensions/examples/%s' %
z).status == 200
for z in example_zips)
finally:
logging.info(
'cron: rendering %s example zips took %s seconds' %
(len(example_zips), time.time() - start_time))
except DeadlineExceededError:
success = False
logging.info('cron: running Redirector cron...')
server_instance.redirector.Cron()
logging.info('cron: finished (%s)' %
('success' if success else 'failure', ))
return (Response.Ok('Success')
if success else Response.InternalError('Failure'))
def _GetImpl(self):
# Cron strategy:
#
# Find all public template files and static files, and render them. Most of
# the time these won't have changed since the last cron run, so it's a
# little wasteful, but hopefully rendering is really fast (if it isn't we
# have a problem).
_cronlog.info('starting')
# This is returned every time RenderServlet wants to create a new
# ServerInstance.
#
# TODO(kalman): IMPORTANT. This sometimes throws an exception, breaking
# everything. Need retry logic at the fetcher level.
server_instance = self._GetSafeServerInstance()
trunk_fs = server_instance.host_file_system_provider.GetTrunk()
def render(path):
request = Request(path, self._request.host, self._request.headers)
delegate = _SingletonRenderServletDelegate(server_instance)
return RenderServlet(request, delegate).Get()
def request_files_in_dir(path, prefix='', strip_ext=None):
'''Requests every file found under |path| in this host file system, with
a request prefix of |prefix|. |strip_ext| is an optional list of file
extensions that should be stripped from paths before requesting.
'''
def maybe_strip_ext(name):
if name == SITE_VERIFICATION_FILE or not strip_ext:
return name
base, ext = posixpath.splitext(name)
return base if ext in strip_ext else name
files = [
maybe_strip_ext(name)
for name, _ in CreateURLsFromPaths(trunk_fs, path, prefix)
]
return _RequestEachItem(path, files, render)
results = []
try:
# Start running the hand-written Cron methods first; they can be run in
# parallel. They are resolved at the end.
def run_cron_for_future(target):
title = target.__class__.__name__
future, init_timer = TimerClosure(target.Cron)
assert isinstance(
future,
Future), ('%s.Cron() did not return a Future' % title)
def resolve():
resolve_timer = Timer()
try:
future.Get()
except Exception as e:
_cronlog.error('%s: error %s' %
(title, traceback.format_exc()))
results.append(False)
if IsDeadlineExceededError(e): raise
finally:
resolve_timer.Stop()
_cronlog.info(
'%s took %s: %s to initialize and %s to resolve' %
(title,
init_timer.With(resolve_timer).FormatElapsed(),
init_timer.FormatElapsed(),
resolve_timer.FormatElapsed()))
return Future(delegate=Gettable(resolve))
targets = (CreateDataSources(server_instance).values() +
[server_instance.content_providers])
title = 'initializing %s parallel Cron targets' % len(targets)
_cronlog.info(title)
timer = Timer()
try:
cron_futures = [
run_cron_for_future(target) for target in targets
]
finally:
_cronlog.info('%s took %s' %
(title, timer.Stop().FormatElapsed()))
# Rendering the public templates will also pull in all of the private
# templates.
results.append(
request_files_in_dir(PUBLIC_TEMPLATES,
strip_ext=('.html', '.md')))
# Rendering the public templates will have pulled in the .js and
# manifest.json files (for listing examples on the API reference pages),
# but there are still images, CSS, etc.
results.append(request_files_in_dir(STATIC_DOCS, prefix='static'))
# Samples are too expensive to run on the dev server, where there is no
# parallel fetch.
if not IsDevServer():
# Fetch each individual sample file.
results.append(
request_files_in_dir(EXAMPLES,
prefix='extensions/examples'))
# Fetch the zip file of each example (contains all the individual
# files).
example_zips = []
for root, _, files in trunk_fs.Walk(EXAMPLES):
example_zips.extend(root + '.zip' for name in files
if name == 'manifest.json')
results.append(
_RequestEachItem(
'example zips', example_zips,
lambda path: render('extensions/examples/' + path)))
# Resolve the hand-written Cron method futures.
title = 'resolving %s parallel Cron targets' % len(targets)
_cronlog.info(title)
timer = Timer()
try:
for future in cron_futures:
future.Get()
finally:
_cronlog.info('%s took %s' %
(title, timer.Stop().FormatElapsed()))
except:
results.append(False)
# This should never actually happen (each cron step does its own
# conservative error checking), so re-raise no matter what it is.
_cronlog.error('uncaught error: %s' % traceback.format_exc())
raise
finally:
success = all(results)
_cronlog.info('finished (%s)', 'success' if success else 'FAILED')
return (Response.Ok('Success')
if success else Response.InternalError('Failure'))
def _GetImpl(self):
path = self._request.path.strip('/')
parts = self._request.path.split('/', 1)
source_name = parts[0]
if len(parts) == 2:
source_path = parts[1]
else:
source_path = None
_log.info(
'starting refresh of %s DataSource %s' %
(source_name, '' if source_path is None else '[%s]' % source_path))
if 'commit' in self._request.arguments:
commit = self._request.arguments['commit']
else:
_log.warning('No commit given; refreshing from master. '
'This is probably NOT what you want.')
commit = None
server_instance = self._CreateServerInstance(commit)
commit_tracker = CommitTracker(server_instance.object_store_creator)
refresh_tracker = RefreshTracker(server_instance.object_store_creator)
# If no commit was given, use the ID of the last cached master commit.
# This allows sources external to the chromium repository to be updated
# independently from individual refresh cycles.
if commit is None:
commit = commit_tracker.Get('master').Get()
success = True
try:
if source_name == 'platform_bundle':
data_source = server_instance.platform_bundle
elif source_name == 'content_providers':
data_source = server_instance.content_providers
else:
data_source = CreateDataSource(source_name, server_instance)
class_name = data_source.__class__.__name__
refresh_future = data_source.Refresh(source_path)
assert isinstance(
refresh_future,
Future), ('%s.Refresh() did not return a Future' % class_name)
timer = Timer()
try:
refresh_future.Get()
# Mark this (commit, task) pair as completed and then see if this
# concludes the full cache refresh. The list of tasks required to
# complete a cache refresh is registered (and keyed on commit ID) by the
# CronServlet before kicking off all the refresh tasks.
(refresh_tracker.MarkTaskComplete(
commit,
path).Then(lambda _: refresh_tracker.GetRefreshComplete(
commit)).Then(lambda is_complete: commit_tracker.Set(
'master', commit) if is_complete else None).Get())
except Exception as e:
_log.error('%s: error %s' %
(class_name, traceback.format_exc()))
success = False
if IsFileSystemThrottledError(e):
return Response.ThrottledError('Throttled')
raise
finally:
_log.info('Refreshing %s took %s' %
(class_name, timer.Stop().FormatElapsed()))
except:
success = False
# This should never actually happen.
_log.error('uncaught error: %s' % traceback.format_exc())
raise
finally:
_log.info('finished (%s)', 'success' if success else 'FAILED')
return (Response.Ok('Success')
if success else Response.InternalError('Failure'))
def _GetImpl(self):
# Cron strategy:
#
# Find all public template files and static files, and render them. Most of
# the time these won't have changed since the last cron run, so it's a
# little wasteful, but hopefully rendering is really fast (if it isn't we
# have a problem).
channel = self._channel
logging.info('cron/%s: starting' % channel)
# This is returned every time RenderServlet wants to create a new
# ServerInstance.
server_instance = self._GetSafeServerInstance()
def get_via_render_servlet(path):
return RenderServlet(
Request(path, self._request.host, self._request.headers),
_SingletonRenderServletDelegate(server_instance)).Get()
def run_cron_for_dir(d, path_prefix=''):
success = True
start_time = time.time()
files = [f for f in server_instance.content_cache.GetFromFileListing(d)
if not f.endswith('/')]
logging.info('cron/%s: rendering %s files from %s...' % (
channel, len(files), d))
try:
for i, f in enumerate(files):
error = None
path = '%s%s' % (path_prefix, f)
try:
response = get_via_render_servlet(path)
if response.status != 200:
error = 'Got %s response' % response.status
except DeadlineExceededError:
logging.error(
'cron/%s: deadline exceeded rendering %s (%s of %s): %s' % (
channel, path, i + 1, len(files), traceback.format_exc()))
raise
except error:
pass
if error:
logging.error('cron/%s: error rendering %s: %s' % (
channel, path, error))
success = False
finally:
logging.info('cron/%s: rendering %s files from %s took %s seconds' % (
channel, len(files), d, time.time() - start_time))
return success
success = True
try:
# Render all of the publicly accessible files.
cron_runs = [
# Note: rendering the public templates will pull in all of the private
# templates.
(svn_constants.PUBLIC_TEMPLATE_PATH, ''),
# Note: rendering the public templates will have pulled in the .js
# and manifest.json files (for listing examples on the API reference
# pages), but there are still images, CSS, etc.
(svn_constants.STATIC_PATH, 'static/'),
]
if not IsDevServer():
cron_runs.append(
(svn_constants.EXAMPLES_PATH, 'extensions/examples/'))
# Note: don't try to short circuit any of this stuff. We want to run
# the cron for all the directories regardless of intermediate
# failures.
for path, path_prefix in cron_runs:
success = run_cron_for_dir(path, path_prefix=path_prefix) and success
# TODO(kalman): Generic way for classes to request cron access. The next
# two special cases are ugly. It would potentially greatly speed up cron
# runs, too.
# Extension examples have zip files too. Well, so do apps, but the app
# file system doesn't get the Offline treatment so they don't need cron.
if not IsDevServer():
manifest_json = '/manifest.json'
example_zips = [
'%s.zip' % filename[:-len(manifest_json)]
for filename in server_instance.content_cache.GetFromFileListing(
svn_constants.EXAMPLES_PATH)
if filename.endswith(manifest_json)]
logging.info('cron/%s: rendering %s example zips...' % (
channel, len(example_zips)))
start_time = time.time()
try:
success = success and all(
get_via_render_servlet('extensions/examples/%s' % z).status == 200
for z in example_zips)
finally:
logging.info('cron/%s: rendering %s example zips took %s seconds' % (
channel, len(example_zips), time.time() - start_time))
# Also trigger a redirect so that PathCanonicalizer has an opportunity to
# cache file listings.
logging.info('cron/%s: triggering a redirect...' % channel)
redirect_response = get_via_render_servlet('storage.html')
success = success and redirect_response.status == 302
except DeadlineExceededError:
success = False
logging.info('cron/%s: finished' % channel)
return (Response.Ok('Success') if success else
Response.InternalError('Failure'))
def _GetImpl(self):
# Cron strategy:
#
# Find all public template files and static files, and render them. Most of
# the time these won't have changed since the last cron run, so it's a
# little wasteful, but hopefully rendering is really fast (if it isn't we
# have a problem).
channel = self._request.path.strip('/')
logging.info('cron/%s: starting' % channel)
server_instance = ServerInstance.CreateOnline(channel)
def run_cron_for_dir(d, path_prefix=''):
success = True
start_time = time.time()
files = [
f for f in server_instance.content_cache.GetFromFileListing(d)
if not f.endswith('/')
]
logging.info('cron/%s: rendering %s files from %s...' %
(channel, len(files), d))
try:
for i, f in enumerate(files):
error = None
path = '%s%s' % (path_prefix, f)
try:
response = RenderServlet(
Request(path, self._request.headers)).Get(
server_instance=server_instance)
if response.status != 200:
error = 'Got %s response' % response.status
except DeadlineExceededError:
logging.error(
'cron/%s: deadline exceeded rendering %s (%s of %s): %s'
% (channel, path, i + 1, len(files),
traceback.format_exc()))
raise
except error:
pass
if error:
logging.error('cron/%s: error rendering %s: %s' %
(channel, path, error))
success = False
finally:
logging.info(
'cron/%s: rendering %s files from %s took %s seconds' %
(channel, len(files), d, time.time() - start_time))
return success
success = True
for path, path_prefix in (
# Note: rendering the public templates will pull in all of the private
# templates.
(svn_constants.PUBLIC_TEMPLATE_PATH, ''),
# Note: rendering the public templates will have pulled in the .js and
# manifest.json files (for listing examples on the API reference pages),
# but there are still images, CSS, etc.
(svn_constants.STATIC_PATH, 'static/'),
(svn_constants.EXAMPLES_PATH, 'extensions/examples/')):
try:
# Note: don't try to short circuit any of this stuff. We want to run
# the cron for all the directories regardless of intermediate failures.
success = run_cron_for_dir(path,
path_prefix=path_prefix) and success
except DeadlineExceededError:
success = False
break
logging.info('cron/%s: finished' % channel)
return (Response.Ok('Success')
if success else Response.InternalError('Failure'))
