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#!/usr/bin/env python
# lint_ignore=E501
# ***** BEGIN LICENSE BLOCK *****
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
# ***** END LICENSE BLOCK *****
""" uptake_monitoring.py
A script to replace the old-fashion way of computing the uptake monitoring
from the scheduler within the slaves.
"""
import os
import sys
import datetime
import time
import xml.dom.minidom
sys.path.insert(1, os.path.dirname(os.path.dirname(sys.path[0])))
from mozharness.base.python import VirtualenvMixin, virtualenv_config_options
from mozharness.base.script import BaseScript
from mozharness.mozilla.buildbot import BuildbotMixin
def get_tuxedo_uptake_url(tuxedo_server_url, related_product, os):
return '%s/uptake/?product=%s&os=%s' % (tuxedo_server_url,
related_product, os)
class UptakeMonitoring(BaseScript, VirtualenvMixin, BuildbotMixin):
config_options = virtualenv_config_options
def __init__(self, require_config_file=True):
super(UptakeMonitoring, self).__init__(
config_options=self.config_options,
require_config_file=require_config_file,
config={
"virtualenv_modules": [
"redo",
"requests",
],
"virtualenv_path": "venv",
"credentials_file": "oauth.txt",
"buildbot_json_path": "buildprops.json",
"poll_interval": 60,
"poll_timeout": 20*60,
"min_uptake": 10000,
},
all_actions=[
"create-virtualenv",
"activate-virtualenv",
"monitor-uptake",
],
default_actions=[
"create-virtualenv",
"activate-virtualenv",
"monitor-uptake",
],
)
def _pre_config_lock(self, rw_config):
super(UptakeMonitoring, self)._pre_config_lock(rw_config)
# override properties from buildbot properties here as defined by
# taskcluster properties
self.read_buildbot_config()
if not self.buildbot_config:
self.warning("Skipping buildbot properties overrides")
return
props = self.buildbot_config["properties"]
for prop in ['tuxedo_server_url', 'version']:
if props.get(prop):
self.info("Overriding %s with %s" % (prop, props[prop]))
self.config[prop] = props.get(prop)
else:
self.warning("%s could not be found within buildprops" % prop)
return
partials = [v.strip() for v in props["partial_versions"].split(",")]
self.config["partial_versions"] = [v.split("build")[0] for v in partials]
self.config["platforms"] = [p.strip() for p in
props["platforms"].split(",")]
def _get_product_uptake(self, tuxedo_server_url, auth,
related_product, os):
from redo import retry
import requests
url = get_tuxedo_uptake_url(tuxedo_server_url, related_product, os)
self.info("Requesting {} from tuxedo".format(url))
def get_tuxedo_page():
r = requests.get(url, auth=auth,
verify=False, timeout=60)
r.raise_for_status()
return r.content
def calculateUptake(page):
doc = xml.dom.minidom.parseString(page)
uptake_values = []
for element in doc.getElementsByTagName('available'):
for node in element.childNodes:
if node.nodeType == xml.dom.minidom.Node.TEXT_NODE and \
node.data.isdigit():
uptake_values.append(int(node.data))
if not uptake_values:
uptake_values = [0]
return min(uptake_values)
page = retry(get_tuxedo_page)
uptake = calculateUptake(page)
self.info("Current uptake for {} is {}".format(related_product, uptake))
return uptake
def _get_release_uptake(self, auth):
assert isinstance(self.config["platforms"], (list, tuple))
# handle the products first
tuxedo_server_url = self.config["tuxedo_server_url"]
version = self.config["version"]
dl = []
for product, info in self.config["products"].iteritems():
if info.get("check_uptake"):
product_template = info["product-name"]
related_product = product_template % {"version": version}
enUS_platforms = set(self.config["platforms"])
paths_platforms = set(info["paths"].keys())
platforms = enUS_platforms.intersection(paths_platforms)
for platform in platforms:
bouncer_platform = info["paths"].get(platform).get('bouncer-platform')
dl.append(self._get_product_uptake(tuxedo_server_url, auth,
related_product, bouncer_platform))
# handle the partials as well
prev_versions = self.config["partial_versions"]
for product, info in self.config["partials"].iteritems():
if info.get("check_uptake"):
product_template = info["product-name"]
for prev_version in prev_versions:
subs = {
"version": version,
"prev_version": prev_version
}
related_product = product_template % subs
enUS_platforms = set(self.config["platforms"])
paths_platforms = set(info["paths"].keys())
platforms = enUS_platforms.intersection(paths_platforms)
for platform in platforms:
bouncer_platform = info["paths"].get(platform).get('bouncer-platform')
dl.append(self._get_product_uptake(tuxedo_server_url, auth,
related_product, bouncer_platform))
return min(dl)
def monitor_uptake(self):
credentials_file = os.path.join(os.getcwd(),
self.config["credentials_file"])
credentials = {}
execfile(credentials_file, credentials)
auth = (credentials['tuxedoUsername'], credentials['tuxedoPassword'])
self.info("Starting the loop to determine the uptake monitoring ...")
start_time = datetime.datetime.now()
while True:
delta = (datetime.datetime.now() - start_time).seconds
if delta > self.config["poll_timeout"]:
self.error("Uptake monitoring sadly timed-out")
raise Exception("Time-out during uptake monitoring")
uptake = self._get_release_uptake(auth)
self.info("Current uptake value to check is {}".format(uptake))
if uptake >= self.config["min_uptake"]:
self.info("Uptake monitoring is complete!")
break
else:
self.info("Mirrors not yet updated, sleeping for a bit ...")
time.sleep(self.config["poll_interval"])
if __name__ == '__main__':
myScript = UptakeMonitoring()
myScript.run_and_exit()
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