blob: de7bd81c73ce009e19ea8a0ff312ecf935a8389c [file] [log] [blame]
#!/usr/bin/env python
# Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
# Use of this source code is governed by a BSD-style license
# that can be found in the LICENSE file in the root of the source
# tree. An additional intellectual property rights grant can be found
# in the file PATENTS. All contributing project authors may
# be found in the AUTHORS file in the root of the source tree.
import datetime
import httplib2
import json
import subprocess
import time
import zlib
from tracing.value import histogram
from tracing.value import histogram_set
from tracing.value.diagnostics import generic_set
from tracing.value.diagnostics import reserved_infos
def _GenerateOauthToken():
args = ['luci-auth', 'token']
p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if p.wait() == 0:
output =
return output.strip()
raise RuntimeError(
'Error generating authentication token.\nStdout: %s\nStderr:%s' %
def _CreateHeaders(oauth_token):
return {'Authorization': 'Bearer %s' % oauth_token}
def _SendHistogramSet(url, histograms):
"""Make a HTTP POST with the given JSON to the Performance Dashboard.
url: URL of Performance Dashboard instance, e.g.
histograms: a histogram set object that contains the data to be sent.
headers = _CreateHeaders(_GenerateOauthToken())
serialized = json.dumps(_ApplyHacks(histograms.AsDicts()), indent=4)
if url.startswith('http://localhost'):
# The catapult server turns off compression in developer mode.
data = serialized
data = zlib.compress(serialized)
print 'Sending %d bytes to %s.' % (len(data), url + '/add_histograms')
http = httplib2.Http()
response, content = http.request(url + '/add_histograms',
return response, content
def _WaitForUploadConfirmation(url, upload_token, wait_timeout,
"""Make a HTTP GET requests to the Performance Dashboard untill upload
status is known or the time is out.
url: URL of Performance Dashboard instance, e.g.
upload_token: String that identifies Performance Dashboard and can be used
for the status check.
wait_timeout: (datetime.timedelta) Maximum time to wait for the
wait_polling_period: (datetime.timedelta) Performance Dashboard will be
polled every wait_polling_period amount of time.
assert wait_polling_period <= wait_timeout
headers = _CreateHeaders(_GenerateOauthToken())
http = httplib2.Http()
oauth_refreshed = False
response = None
resp_json = None
current_time =
end_time = current_time + wait_timeout
next_poll_time = current_time + wait_polling_period
while < end_time:
current_time =
if next_poll_time > current_time:
time.sleep((next_poll_time - current_time).total_seconds())
next_poll_time = + wait_polling_period
response, content = http.request(url + '/uploads/' + upload_token,
method='GET', headers=headers)
print 'Upload state polled. Response: %r.' % content
if not oauth_refreshed and response.status == 403:
print 'Oauth token refreshed. Continue polling.'
headers = _CreateHeaders(_GenerateOauthToken())
oauth_refreshed = True
if response.status != 200:
resp_json = json.loads(content)
if resp_json['state'] == 'COMPLETED' or resp_json['state'] == 'FAILED':
return response, resp_json
# Because of an issues on the Dashboard side few measurements over a large set
# can fail to upload. That would lead to the whole upload to be marked as
# failed. Check it, so it doesn't increase flakiness of our tests.
# TODO( Remove check after fixed.
def _CheckFullUploadInfo(url, upload_token,
"""Make a HTTP GET requests to the Performance Dashboard to get full info
about upload (including measurements). Checks if upload is correct despite
not having status "COMPLETED".
url: URL of Performance Dashboard instance, e.g.
upload_token: String that identifies Performance Dashboard and can be used
for the status check.
min_measurements_amount: minimal amount of measurements that the upload
should have to start tolerating failures in particular measurements.
max_failed_measurements_amount: maximal amount of failured measurements to
headers = _CreateHeaders(_GenerateOauthToken())
http = httplib2.Http()
response, content = http.request(url + '/uploads/' + upload_token +
method='GET', headers=headers)
print 'Full upload info: %r.' % content
if response.status != 200:
print 'Failed to reach the dashboard to get full upload info.'
return False
resp_json = json.loads(content)
if 'measurements' in resp_json:
measurements_cnt = len(resp_json['measurements'])
not_completed_state_cnt = len([
m for m in resp_json['measurements']
if m['state'] != 'COMPLETED'
if (measurements_cnt >= min_measurements_amount and
not_completed_state_cnt <= max_failed_measurements_amount):
print('Not all measurements were uploaded. Measurements count: %d, '
'failed to upload: %d' %
(measurements_cnt, not_completed_state_cnt))
return True
return False
# Remove once we have doubles in the proto and handle -infinity correctly.
def _ApplyHacks(dicts):
def _NoInf(value):
if value == float('inf'):
return histogram.JS_MAX_VALUE
if value == float('-inf'):
return -histogram.JS_MAX_VALUE
return value
for d in dicts:
if 'running' in d:
d['running'] = [_NoInf(value) for value in d['running']]
if 'sampleValues' in d:
d['sampleValues'] = [_NoInf(value) for value in d['sampleValues']]
return dicts
def _LoadHistogramSetFromProto(options):
hs = histogram_set.HistogramSet()
with options.input_results_file as f:
return hs
def _AddBuildInfo(histograms, options):
common_diagnostics = {
reserved_infos.MASTERS: options.perf_dashboard_machine_group,
reserved_infos.POINT_ID: options.commit_position,
reserved_infos.BENCHMARKS: options.test_suite,
reserved_infos.WEBRTC_REVISIONS: str(options.webrtc_git_hash),
reserved_infos.BUILD_URLS: options.build_page_url,
for k, v in common_diagnostics.items():
histograms.AddSharedDiagnosticToAllHistograms(, generic_set.GenericSet([v]))
def _DumpOutput(histograms, output_file):
with output_file:
json.dump(_ApplyHacks(histograms.AsDicts()), output_file, indent=4)
def UploadToDashboard(options):
histograms = _LoadHistogramSetFromProto(options)
_AddBuildInfo(histograms, options)
if options.output_json_file:
_DumpOutput(histograms, options.output_json_file)
response, content = _SendHistogramSet(options.dashboard_url, histograms)
if response.status != 200:
print('Upload failed with %d: %s\n\n%s' % (response.status,
response.reason, content))
return 1
upload_token = json.loads(content).get('token')
if not options.wait_for_upload or not upload_token:
print('Received 200 from dashboard. ',
'Not waiting for the upload status confirmation.')
return 0
response, resp_json = _WaitForUploadConfirmation(
if ((resp_json and resp_json['state'] == 'COMPLETED') or
_CheckFullUploadInfo(options.dashboard_url, upload_token)):
print 'Upload completed.'
return 0
if response.status != 200 or resp_json['state'] == 'FAILED':
print('Upload failed with %d: %s\n\n%s' % (response.status,
return 1
print('Upload wasn\'t completed in a given time: %d seconds.' %
return 1