system-info: fix unicode problem on translation

rhodecode/lib/system_info.py

@@ -1,642 +1,643 b''
 import os
 import sys
 import time
 import platform
 import pkg_resources
 import logging
 import string
 
 
 log = logging.getLogger(__name__)
 
 
 psutil = None
 
 try:
     # cygwin cannot have yet psutil support.
     import psutil as psutil
 except ImportError:
     pass
 
 
 _NA = 'NOT AVAILABLE'
 
 STATE_OK = 'ok'
 STATE_ERR = 'error'
 STATE_WARN = 'warning'
 
 STATE_OK_DEFAULT = {'message': '', 'type': STATE_OK}
 
 
 # HELPERS
 def percentage(part, whole):
     whole = float(whole)
     if whole > 0:
         return round(100 * float(part) / whole, 1)
     return 0.0
 
 
 def get_storage_size(storage_path):
     sizes = []
     for file_ in os.listdir(storage_path):
         storage_file = os.path.join(storage_path, file_)
         if os.path.isfile(storage_file):
             try:
                 sizes.append(os.path.getsize(storage_file))
             except OSError:
                 log.exception('Failed to get size of storage file %s',
                               storage_file)
                 pass
 
     return sum(sizes)
 
 
 class SysInfoRes(object):
     def __init__(self, value, state=STATE_OK_DEFAULT, human_value=None):
         self.value = value
         self.state = state
         self.human_value = human_value or value
 
     def __json__(self):
         return {
             'value': self.value,
             'state': self.state,
             'human_value': self.human_value,
         }
 
     def get_value(self):
         return self.__json__()
 
     def __str__(self):
         return '<SysInfoRes({})>'.format(self.__json__())
 
 
 class SysInfo(object):
 
     def __init__(self, func_name, **kwargs):
         self.func_name = func_name
         self.value = _NA
         self.state = None
         self.kwargs = kwargs or {}
 
     def __call__(self):
         computed = self.compute(**self.kwargs)
         if not isinstance(computed, SysInfoRes):
             raise ValueError(
                 'computed value for {} is not instance of '
                 '{}, got {} instead'.format(
                     self.func_name, SysInfoRes, type(computed)))
         return computed.__json__()
 
     def __str__(self):
         return '<SysInfo({})>'.format(self.func_name)
 
     def compute(self, **kwargs):
         return self.func_name(**kwargs)
 
 
 # SysInfo functions
 def python_info():
     value = dict(version=' '.join(platform._sys_version()),
                  executable=sys.executable)
     return SysInfoRes(value=value)
 
 
 def py_modules():
     mods = dict([(p.project_name, p.version)
                  for p in pkg_resources.working_set])
     value = sorted(mods.items(), key=lambda k: k[0].lower())
     return SysInfoRes(value=value)
 
 
 def platform_type():
     from rhodecode.lib.utils import safe_unicode, generate_platform_uuid
 
     value = dict(
         name=safe_unicode(platform.platform()),
         uuid=generate_platform_uuid()
     )
     return SysInfoRes(value=value)
 
 
 def uptime():
     from rhodecode.lib.helpers import age, time_to_datetime
 
     value = dict(boot_time=0, uptime=0, text='')
     state = STATE_OK_DEFAULT
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     boot_time = psutil.boot_time()
     value['boot_time'] = boot_time
     value['uptime'] = time.time() - boot_time
 
     human_value = value.copy()
     human_value['boot_time'] = time_to_datetime(boot_time)
     human_value['uptime'] = age(time_to_datetime(boot_time), show_suffix=False)
-    human_value['text'] = 'Server started {}'.format(
+
+    human_value['text'] = u'Server started {}'.format(
         age(time_to_datetime(boot_time)))
 
     return SysInfoRes(value=value, human_value=human_value)
 
 
 def memory():
     from rhodecode.lib.helpers import format_byte_size_binary
     value = dict(available=0, used=0, used_real=0, cached=0, percent=0,
                  percent_used=0, free=0, inactive=0, active=0, shared=0,
                  total=0, buffers=0, text='')
 
     state = STATE_OK_DEFAULT
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     value.update(dict(psutil.virtual_memory()._asdict()))
     value['used_real'] = value['total'] - value['available']
     value['percent_used'] = psutil._common.usage_percent(
         value['used_real'], value['total'], 1)
 
     human_value = value.copy()
     human_value['text'] = '%s/%s, %s%% used' % (
         format_byte_size_binary(value['used_real']),
         format_byte_size_binary(value['total']),
         value['percent_used'],)
 
     keys = value.keys()[::]
     keys.pop(keys.index('percent'))
     keys.pop(keys.index('percent_used'))
     keys.pop(keys.index('text'))
     for k in keys:
         human_value[k] = format_byte_size_binary(value[k])
 
     if state['type'] == STATE_OK and value['percent_used'] > 90:
         msg = 'Critical: your available RAM memory is very low.'
         state = {'message': msg, 'type': STATE_ERR}
 
     elif state['type'] == STATE_OK and value['percent_used'] > 70:
         msg = 'Warning: your available RAM memory is running low.'
         state = {'message': msg, 'type': STATE_WARN}
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def machine_load():
     value = {'1_min': _NA, '5_min': _NA, '15_min': _NA, 'text': ''}
     state = STATE_OK_DEFAULT
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     # load averages
     if hasattr(psutil.os, 'getloadavg'):
         value.update(dict(
             zip(['1_min', '5_min', '15_min'], psutil.os.getloadavg())))
 
     human_value = value.copy()
     human_value['text'] = '1min: {}, 5min: {}, 15min: {}'.format(
         value['1_min'], value['5_min'], value['15_min'])
 
     if state['type'] == STATE_OK and value['15_min'] > 5:
         msg = 'Warning: your machine load is very high.'
         state = {'message': msg, 'type': STATE_WARN}
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def cpu():
     value = 0
     state = STATE_OK_DEFAULT
 
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     value = psutil.cpu_percent(0.5)
     human_value = '{} %'.format(value)
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def storage():
     from rhodecode.lib.helpers import format_byte_size_binary
     from rhodecode.model.settings import VcsSettingsModel
     path = VcsSettingsModel().get_repos_location()
 
     value = dict(percent=0, used=0, total=0, path=path, text='')
     state = STATE_OK_DEFAULT
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     try:
         value.update(dict(psutil.disk_usage(path)._asdict()))
     except Exception as e:
         log.exception('Failed to fetch disk info')
         state = {'message': str(e), 'type': STATE_ERR}
 
     human_value = value.copy()
     human_value['used'] = format_byte_size_binary(value['used'])
     human_value['total'] = format_byte_size_binary(value['total'])
     human_value['text'] = "{}/{}, {}% used".format(
         format_byte_size_binary(value['used']),
         format_byte_size_binary(value['total']),
         value['percent'])
 
     if state['type'] == STATE_OK and value['percent'] > 90:
         msg = 'Critical: your disk space is very low.'
         state = {'message': msg, 'type': STATE_ERR}
 
     elif state['type'] == STATE_OK and value['percent'] > 70:
         msg = 'Warning: your disk space is running low.'
         state = {'message': msg, 'type': STATE_WARN}
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def storage_inodes():
     from rhodecode.model.settings import VcsSettingsModel
     path = VcsSettingsModel().get_repos_location()
 
     value = dict(percent=0, free=0, used=0, total=0, path=path, text='')
     state = STATE_OK_DEFAULT
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     try:
         i_stat = os.statvfs(path)
         value['free'] = i_stat.f_ffree
         value['used'] = i_stat.f_files-i_stat.f_favail
         value['total'] = i_stat.f_files
         value['percent'] = percentage(value['used'], value['total'])
     except Exception as e:
         log.exception('Failed to fetch disk inodes info')
         state = {'message': str(e), 'type': STATE_ERR}
 
     human_value = value.copy()
     human_value['text'] = "{}/{}, {}% used".format(
         value['used'], value['total'], value['percent'])
 
     if state['type'] == STATE_OK and value['percent'] > 90:
         msg = 'Critical: your disk free inodes are very low.'
         state = {'message': msg, 'type': STATE_ERR}
 
     elif state['type'] == STATE_OK and value['percent'] > 70:
         msg = 'Warning: your disk free inodes are running low.'
         state = {'message': msg, 'type': STATE_WARN}
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def storage_archives():
     import rhodecode
     from rhodecode.lib.utils import safe_str
     from rhodecode.lib.helpers import format_byte_size_binary
 
     msg = 'Enable this by setting ' \
           'archive_cache_dir=/path/to/cache option in the .ini file'
     path = safe_str(rhodecode.CONFIG.get('archive_cache_dir', msg))
 
     value = dict(percent=0, used=0, total=0, items=0, path=path, text='')
     state = STATE_OK_DEFAULT
     try:
         items_count = 0
         used = 0
         for root, dirs, files in os.walk(path):
             if root == path:
                 items_count = len(files)
 
             for f in files:
                 try:
                     used += os.path.getsize(os.path.join(root, f))
                 except OSError:
                     pass
         value.update({
             'percent': 100,
             'used': used,
             'total': used,
             'items': items_count
         })
 
     except Exception as e:
         log.exception('failed to fetch archive cache storage')
         state = {'message': str(e), 'type': STATE_ERR}
 
     human_value = value.copy()
     human_value['used'] = format_byte_size_binary(value['used'])
     human_value['total'] = format_byte_size_binary(value['total'])
     human_value['text'] = "{} ({} items)".format(
         human_value['used'], value['items'])
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def storage_gist():
     from rhodecode.model.gist import GIST_STORE_LOC
     from rhodecode.model.settings import VcsSettingsModel
     from rhodecode.lib.utils import safe_str
     from rhodecode.lib.helpers import format_byte_size_binary
     path = safe_str(os.path.join(
         VcsSettingsModel().get_repos_location(), GIST_STORE_LOC))
 
     # gist storage
     value = dict(percent=0, used=0, total=0, items=0, path=path, text='')
     state = STATE_OK_DEFAULT
 
     try:
         items_count = 0
         used = 0
         for root, dirs, files in os.walk(path):
             if root == path:
                 items_count = len(dirs)
 
             for f in files:
                 try:
                     used += os.path.getsize(os.path.join(root, f))
                 except OSError:
                     pass
         value.update({
             'percent': 100,
             'used': used,
             'total': used,
             'items': items_count
         })
     except Exception as e:
         log.exception('failed to fetch gist storage items')
         state = {'message': str(e), 'type': STATE_ERR}
 
     human_value = value.copy()
     human_value['used'] = format_byte_size_binary(value['used'])
     human_value['total'] = format_byte_size_binary(value['total'])
     human_value['text'] = "{} ({} items)".format(
         human_value['used'], value['items'])
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def storage_temp():
     import tempfile
     from rhodecode.lib.helpers import format_byte_size_binary
 
     path = tempfile.gettempdir()
     value = dict(percent=0, used=0, total=0, items=0, path=path, text='')
     state = STATE_OK_DEFAULT
 
     if not psutil:
         return SysInfoRes(value=value, state=state)
 
     try:
         value.update(dict(psutil.disk_usage(path)._asdict()))
     except Exception as e:
         log.exception('Failed to fetch temp dir info')
         state = {'message': str(e), 'type': STATE_ERR}
 
     human_value = value.copy()
     human_value['used'] = format_byte_size_binary(value['used'])
     human_value['total'] = format_byte_size_binary(value['total'])
     human_value['text'] = "{}/{}, {}% used".format(
         format_byte_size_binary(value['used']),
         format_byte_size_binary(value['total']),
         value['percent'])
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def search_info():
     import rhodecode
     from rhodecode.lib.index import searcher_from_config
 
     backend = rhodecode.CONFIG.get('search.module', '')
     location = rhodecode.CONFIG.get('search.location', '')
 
     try:
         searcher = searcher_from_config(rhodecode.CONFIG)
         searcher = searcher.__class__.__name__
     except Exception:
         searcher = None
 
     value = dict(
         backend=backend, searcher=searcher, location=location, text='')
     state = STATE_OK_DEFAULT
 
     human_value = value.copy()
     human_value['text'] = "backend:`{}`".format(human_value['backend'])
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def git_info():
     from rhodecode.lib.vcs.backends import git
     state = STATE_OK_DEFAULT
     value = human_value = ''
     try:
         value = git.discover_git_version(raise_on_exc=True)
         human_value = 'version reported from VCSServer: {}'.format(value)
     except Exception as e:
         state = {'message': str(e), 'type': STATE_ERR}
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def hg_info():
     from rhodecode.lib.vcs.backends import hg
     state = STATE_OK_DEFAULT
     value = human_value = ''
     try:
         value = hg.discover_hg_version(raise_on_exc=True)
         human_value = 'version reported from VCSServer: {}'.format(value)
     except Exception as e:
         state = {'message': str(e), 'type': STATE_ERR}
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def svn_info():
     from rhodecode.lib.vcs.backends import svn
     state = STATE_OK_DEFAULT
     value = human_value = ''
     try:
         value = svn.discover_svn_version(raise_on_exc=True)
         human_value = 'version reported from VCSServer: {}'.format(value)
     except Exception as e:
         state = {'message': str(e), 'type': STATE_ERR}
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def vcs_backends():
     import rhodecode
     value = map(
         string.strip, rhodecode.CONFIG.get('vcs.backends', '').split(','))
     human_value = 'Enabled backends in order: {}'.format(','.join(value))
     return SysInfoRes(value=value, human_value=human_value)
 
 
 def vcs_server():
     import rhodecode
     from rhodecode.lib.vcs.backends import get_vcsserver_version
 
     server_url = rhodecode.CONFIG.get('vcs.server')
     enabled = rhodecode.CONFIG.get('vcs.server.enable')
     protocol = rhodecode.CONFIG.get('vcs.server.protocol') or 'http'
     state = STATE_OK_DEFAULT
     version = None
 
     try:
         version = get_vcsserver_version()
         connection = 'connected'
     except Exception as e:
         connection = 'failed'
         state = {'message': str(e), 'type': STATE_ERR}
 
     value = dict(
         url=server_url,
         enabled=enabled,
         protocol=protocol,
         connection=connection,
         version=version,
         text='',
     )
 
     human_value = value.copy()
     human_value['text'] = \
         '{url}@ver:{ver} via {mode} mode, connection:{conn}'.format(
             url=server_url, ver=version, mode=protocol, conn=connection)
 
     return SysInfoRes(value=value, state=state, human_value=human_value)
 
 
 def rhodecode_app_info():
     import rhodecode
     edition = rhodecode.CONFIG.get('rhodecode.edition')
 
     value = dict(
         rhodecode_version=rhodecode.__version__,
         rhodecode_lib_path=os.path.abspath(rhodecode.__file__),
         text=''
     )
     human_value = value.copy()
     human_value['text'] = 'RhodeCode {edition}, version {ver}'.format(
         edition=edition, ver=value['rhodecode_version']
     )
     return SysInfoRes(value=value, human_value=human_value)
 
 
 def rhodecode_config():
     import rhodecode
     path = rhodecode.CONFIG.get('__file__')
     rhodecode_ini_safe = rhodecode.CONFIG.copy()
 
     blacklist = [
         'rhodecode_license_key',
         'routes.map',
         'pylons.h',
         'pylons.app_globals',
         'pylons.environ_config',
         'sqlalchemy.db1.url',
         'channelstream.secret',
         'beaker.session.secret',
         'rhodecode.encrypted_values.secret',
         'rhodecode_auth_github_consumer_key',
         'rhodecode_auth_github_consumer_secret',
         'rhodecode_auth_google_consumer_key',
         'rhodecode_auth_google_consumer_secret',
         'rhodecode_auth_bitbucket_consumer_secret',
         'rhodecode_auth_bitbucket_consumer_key',
         'rhodecode_auth_twitter_consumer_secret',
         'rhodecode_auth_twitter_consumer_key',
 
         'rhodecode_auth_twitter_secret',
         'rhodecode_auth_github_secret',
         'rhodecode_auth_google_secret',
         'rhodecode_auth_bitbucket_secret',
 
         'appenlight.api_key',
         ('app_conf', 'sqlalchemy.db1.url')
     ]
     for k in blacklist:
         if isinstance(k, tuple):
             section, key = k
             if section in rhodecode_ini_safe:
                 rhodecode_ini_safe[section] = '**OBFUSCATED**'
         else:
             rhodecode_ini_safe.pop(k, None)
 
     # TODO: maybe put some CONFIG checks here ?
     return SysInfoRes(value={'config': rhodecode_ini_safe, 'path': path})
 
 
 def database_info():
     import rhodecode
     from sqlalchemy.engine import url as engine_url
     from rhodecode.model.meta import Base as sql_base, Session
     from rhodecode.model.db import DbMigrateVersion
 
     state = STATE_OK_DEFAULT
 
     db_migrate = DbMigrateVersion.query().filter(
         DbMigrateVersion.repository_id == 'rhodecode_db_migrations').one()
 
     db_url_obj = engine_url.make_url(rhodecode.CONFIG['sqlalchemy.db1.url'])
 
     try:
         engine = sql_base.metadata.bind
         db_server_info = engine.dialect._get_server_version_info(
             Session.connection(bind=engine))
         db_version = '.'.join(map(str, db_server_info))
     except Exception:
         log.exception('failed to fetch db version')
         db_version = 'UNKNOWN'
 
     db_info = dict(
         migrate_version=db_migrate.version,
         type=db_url_obj.get_backend_name(),
         version=db_version,
         url=repr(db_url_obj)
     )
 
     human_value = db_info.copy()
     human_value['url'] = "{} @ migration version: {}".format(
         db_info['url'], db_info['migrate_version'])
     human_value['version'] = "{} {}".format(db_info['type'], db_info['version'])
     return SysInfoRes(value=db_info, state=state, human_value=human_value)
 
 
 def server_info(environ):
     import rhodecode
     from rhodecode.lib.base import get_server_ip_addr, get_server_port
 
     value = {
         'server_ip': '%s:%s' % (
             get_server_ip_addr(environ, log_errors=False),
             get_server_port(environ)
         ),
         'server_id': rhodecode.CONFIG.get('instance_id'),
     }
     return SysInfoRes(value=value)
 
 
 def get_system_info(environ):
     environ = environ or {}
     return {
         'rhodecode_app': SysInfo(rhodecode_app_info)(),
         'rhodecode_config': SysInfo(rhodecode_config)(),
         'python': SysInfo(python_info)(),
         'py_modules': SysInfo(py_modules)(),
 
         'platform': SysInfo(platform_type)(),
         'server': SysInfo(server_info, environ=environ)(),
         'database': SysInfo(database_info)(),
 
         'storage': SysInfo(storage)(),
         'storage_inodes': SysInfo(storage_inodes)(),
         'storage_archive': SysInfo(storage_archives)(),
         'storage_gist': SysInfo(storage_gist)(),
         'storage_temp': SysInfo(storage_temp)(),
 
         'search': SysInfo(search_info)(),
 
         'uptime': SysInfo(uptime)(),
         'load': SysInfo(machine_load)(),
         'cpu': SysInfo(cpu)(),
         'memory': SysInfo(memory)(),
 
         'vcs_backends': SysInfo(vcs_backends)(),
         'vcs_server': SysInfo(vcs_server)(),
 
         'git': SysInfo(git_info)(),
         'hg': SysInfo(hg_info)(),
         'svn': SysInfo(svn_info)(),
     }

rhodecode/subscribers.py

@@ -1,166 +1,166 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2017 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 logging
 import pylons
 import Queue
 import subprocess32
 
 from pyramid.i18n import get_localizer
 from pyramid.threadlocal import get_current_request
 from threading import Thread
 
 from rhodecode.translation import _ as tsf
 
-
 log = logging.getLogger(__name__)
 
 
 def add_renderer_globals(event):
     # Put pylons stuff into the context. This will be removed as soon as
     # migration to pyramid is finished.
     conf = pylons.config._current_obj()
     event['h'] = conf.get('pylons.h')
     event['c'] = pylons.tmpl_context
     event['url'] = pylons.url
 
     # 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
 
 
 def add_localizer(event):
     request = event.request
     localizer = get_localizer(request)
 
     def auto_translate(*args, **kwargs):
         return localizer.translate(tsf(*args, **kwargs))
 
     request.localizer = localizer
     request.translate = auto_translate
     request.plularize = localizer.pluralize
 
 
 def set_user_lang(event):
     cur_user = getattr(event.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 scan_repositories_if_enabled(event):
     """
     This is subscribed to the `pyramid.events.ApplicationCreated` event. It
     does a repository scan if enabled in the settings.
     """
     from rhodecode.model.scm import ScmModel
     from rhodecode.lib.utils import repo2db_mapper, get_rhodecode_base_path
     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:
         repositories = ScmModel().repo_scan(get_rhodecode_base_path())
         repo2db_mapper(repositories, remove_obsolete=False)
 
 
 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.
     """
 
     def __init__(self, cmd, timeout=None):
         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:
             log.exception(
                 'Exception while executing command %s.', cmd)