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metrics: use non decimal version for timer....
metrics: use non decimal version for timer. - added bucket registry - some small fixes

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subscribers.py
405 lines | 12.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2020 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import io
import shlex
import math
import re
import os
import datetime
import logging
import Queue
import subprocess32
from dateutil.parser import parse
from pyramid.threadlocal import get_current_request
from pyramid.interfaces import IRoutesMapper
from pyramid.settings import asbool
from pyramid.path import AssetResolver
from threading import Thread
from rhodecode.translation import _ as tsf
from rhodecode.config.jsroutes import generate_jsroutes_content
from rhodecode.lib import auth
from rhodecode.lib.base import get_auth_user
import rhodecode
log = logging.getLogger(__name__)
def add_renderer_globals(event):
from rhodecode.lib import helpers
# TODO: When executed in pyramid view context the request is not available
# in the event. Find a better solution to get the request.
request = event['request'] or get_current_request()
# Add Pyramid translation as '_' to context
event['_'] = request.translate
event['_ungettext'] = request.plularize
event['h'] = helpers
def add_localizer(event):
request = event.request
localizer = request.localizer
def auto_translate(*args, **kwargs):
return localizer.translate(tsf(*args, **kwargs))
request.translate = auto_translate
request.plularize = localizer.pluralize
def set_user_lang(event):
request = event.request
cur_user = getattr(request, 'user', None)
if cur_user:
user_lang = cur_user.get_instance().user_data.get('language')
if user_lang:
log.debug('lang: setting current user:%s language to: %s', cur_user, user_lang)
event.request._LOCALE_ = user_lang
def add_request_user_context(event):
"""
Adds auth user into request context
"""
request = event.request
# access req_id as soon as possible
req_id = request.req_id
if hasattr(request, 'vcs_call'):
# skip vcs calls
return
if hasattr(request, 'rpc_method'):
# skip api calls
return
auth_user, auth_token = get_auth_user(request)
request.user = auth_user
request.user_auth_token = auth_token
request.environ['rc_auth_user'] = auth_user
request.environ['rc_auth_user_id'] = auth_user.user_id
request.environ['rc_req_id'] = req_id
def reset_log_bucket(event):
"""
reset the log bucket on new request
"""
request = event.request
request.req_id_records_init()
def scan_repositories_if_enabled(event):
"""
This is subscribed to the `pyramid.events.ApplicationCreated` event. It
does a repository scan if enabled in the settings.
"""
settings = event.app.registry.settings
vcs_server_enabled = settings['vcs.server.enable']
import_on_startup = settings['startup.import_repos']
if vcs_server_enabled and import_on_startup:
from rhodecode.model.scm import ScmModel
from rhodecode.lib.utils import repo2db_mapper, get_rhodecode_base_path
repositories = ScmModel().repo_scan(get_rhodecode_base_path())
repo2db_mapper(repositories, remove_obsolete=False)
def write_metadata_if_needed(event):
"""
Writes upgrade metadata
"""
import rhodecode
from rhodecode.lib import system_info
from rhodecode.lib import ext_json
fname = '.rcmetadata.json'
ini_loc = os.path.dirname(rhodecode.CONFIG.get('__file__'))
metadata_destination = os.path.join(ini_loc, fname)
def get_update_age():
now = datetime.datetime.utcnow()
with open(metadata_destination, 'rb') as f:
data = ext_json.json.loads(f.read())
if 'created_on' in data:
update_date = parse(data['created_on'])
diff = now - update_date
return diff.total_seconds() / 60.0
return 0
def write():
configuration = system_info.SysInfo(
system_info.rhodecode_config)()['value']
license_token = configuration['config']['license_token']
setup = dict(
workers=configuration['config']['server:main'].get(
'workers', '?'),
worker_type=configuration['config']['server:main'].get(
'worker_class', 'sync'),
)
dbinfo = system_info.SysInfo(system_info.database_info)()['value']
del dbinfo['url']
metadata = dict(
desc='upgrade metadata info',
license_token=license_token,
created_on=datetime.datetime.utcnow().isoformat(),
usage=system_info.SysInfo(system_info.usage_info)()['value'],
platform=system_info.SysInfo(system_info.platform_type)()['value'],
database=dbinfo,
cpu=system_info.SysInfo(system_info.cpu)()['value'],
memory=system_info.SysInfo(system_info.memory)()['value'],
setup=setup
)
with open(metadata_destination, 'wb') as f:
f.write(ext_json.json.dumps(metadata))
settings = event.app.registry.settings
if settings.get('metadata.skip'):
return
# only write this every 24h, workers restart caused unwanted delays
try:
age_in_min = get_update_age()
except Exception:
age_in_min = 0
if age_in_min > 60 * 60 * 24:
return
try:
write()
except Exception:
pass
def write_usage_data(event):
import rhodecode
from rhodecode.lib import system_info
from rhodecode.lib import ext_json
settings = event.app.registry.settings
instance_tag = settings.get('metadata.write_usage_tag')
if not settings.get('metadata.write_usage'):
return
def get_update_age(dest_file):
now = datetime.datetime.utcnow()
with open(dest_file, 'rb') as f:
data = ext_json.json.loads(f.read())
if 'created_on' in data:
update_date = parse(data['created_on'])
diff = now - update_date
return math.ceil(diff.total_seconds() / 60.0)
return 0
utc_date = datetime.datetime.utcnow()
hour_quarter = int(math.ceil((utc_date.hour + utc_date.minute/60.0) / 6.))
fname = '.rc_usage_{date.year}{date.month:02d}{date.day:02d}_{hour}.json'.format(
date=utc_date, hour=hour_quarter)
ini_loc = os.path.dirname(rhodecode.CONFIG.get('__file__'))
usage_dir = os.path.join(ini_loc, '.rcusage')
if not os.path.isdir(usage_dir):
os.makedirs(usage_dir)
usage_metadata_destination = os.path.join(usage_dir, fname)
try:
age_in_min = get_update_age(usage_metadata_destination)
except Exception:
age_in_min = 0
# write every 6th hour
if age_in_min and age_in_min < 60 * 6:
log.debug('Usage file created %s minutes ago, skipping (threshold: %s minutes)...',
age_in_min, 60 * 6)
return
def write(dest_file):
configuration = system_info.SysInfo(system_info.rhodecode_config)()['value']
license_token = configuration['config']['license_token']
metadata = dict(
desc='Usage data',
instance_tag=instance_tag,
license_token=license_token,
created_on=datetime.datetime.utcnow().isoformat(),
usage=system_info.SysInfo(system_info.usage_info)()['value'],
)
with open(dest_file, 'wb') as f:
f.write(ext_json.json.dumps(metadata, indent=2, sort_keys=True))
try:
log.debug('Writing usage file at: %s', usage_metadata_destination)
write(usage_metadata_destination)
except Exception:
pass
def write_js_routes_if_enabled(event):
registry = event.app.registry
mapper = registry.queryUtility(IRoutesMapper)
_argument_prog = re.compile('\{(.*?)\}|:\((.*)\)')
def _extract_route_information(route):
"""
Convert a route into tuple(name, path, args), eg:
('show_user', '/profile/%(username)s', ['username'])
"""
routepath = route.pattern
pattern = route.pattern
def replace(matchobj):
if matchobj.group(1):
return "%%(%s)s" % matchobj.group(1).split(':')[0]
else:
return "%%(%s)s" % matchobj.group(2)
routepath = _argument_prog.sub(replace, routepath)
if not routepath.startswith('/'):
routepath = '/'+routepath
return (
route.name,
routepath,
[(arg[0].split(':')[0] if arg[0] != '' else arg[1])
for arg in _argument_prog.findall(pattern)]
)
def get_routes():
# pyramid routes
for route in mapper.get_routes():
if not route.name.startswith('__'):
yield _extract_route_information(route)
if asbool(registry.settings.get('generate_js_files', 'false')):
static_path = AssetResolver().resolve('rhodecode:public').abspath()
jsroutes = get_routes()
jsroutes_file_content = generate_jsroutes_content(jsroutes)
jsroutes_file_path = os.path.join(
static_path, 'js', 'rhodecode', 'routes.js')
try:
with io.open(jsroutes_file_path, 'w', encoding='utf-8') as f:
f.write(jsroutes_file_content)
except Exception:
log.exception('Failed to write routes.js into %s', jsroutes_file_path)
class Subscriber(object):
"""
Base class for subscribers to the pyramid event system.
"""
def __call__(self, event):
self.run(event)
def run(self, event):
raise NotImplementedError('Subclass has to implement this.')
class AsyncSubscriber(Subscriber):
"""
Subscriber that handles the execution of events in a separate task to not
block the execution of the code which triggers the event. It puts the
received events into a queue from which the worker process takes them in
order.
"""
def __init__(self):
self._stop = False
self._eventq = Queue.Queue()
self._worker = self.create_worker()
self._worker.start()
def __call__(self, event):
self._eventq.put(event)
def create_worker(self):
worker = Thread(target=self.do_work)
worker.daemon = True
return worker
def stop_worker(self):
self._stop = False
self._eventq.put(None)
self._worker.join()
def do_work(self):
while not self._stop:
event = self._eventq.get()
if event is not None:
self.run(event)
class AsyncSubprocessSubscriber(AsyncSubscriber):
"""
Subscriber that uses the subprocess32 module to execute a command if an
event is received. Events are handled asynchronously::
subscriber = AsyncSubprocessSubscriber('ls -la', timeout=10)
subscriber(dummyEvent) # running __call__(event)
"""
def __init__(self, cmd, timeout=None):
if not isinstance(cmd, (list, tuple)):
cmd = shlex.split(cmd)
super(AsyncSubprocessSubscriber, self).__init__()
self._cmd = cmd
self._timeout = timeout
def run(self, event):
cmd = self._cmd
timeout = self._timeout
log.debug('Executing command %s.', cmd)
try:
output = subprocess32.check_output(
cmd, timeout=timeout, stderr=subprocess32.STDOUT)
log.debug('Command finished %s', cmd)
if output:
log.debug('Command output: %s', output)
except subprocess32.TimeoutExpired as e:
log.exception('Timeout while executing command.')
if e.output:
log.error('Command output: %s', e.output)
except subprocess32.CalledProcessError as e:
log.exception('Error while executing command.')
if e.output:
log.error('Command output: %s', e.output)
except Exception:
log.exception(
'Exception while executing command %s.', cmd)