- 

#!/usr/bin/python2.7

--

# coding: utf-8

#

# Univention Management Console module:

#  System Diagnosis UMC module

#

# Copyright 2017 Univention GmbH

#

# http://www.univention.de/

#

# All rights reserved.

#

# The source code of this program is made available

# under the terms of the GNU Affero General Public License version 3

# (GNU AGPL V3) as published by the Free Software Foundation.

#

# Binary versions of this program provided by Univention to you as

# well as other copyrighted, protected or trademarked materials like

# Logos, graphics, fonts, specific documentations and configurations,

# cryptographic keys etc. are subject to a license agreement between

# you and Univention and not subject to the GNU AGPL V3.

#

# In the case you use this program under the terms of the GNU AGPL V3,

# the program is provided 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 Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public

# License with the Debian GNU/Linux or Univention distribution in file

# /usr/share/common-licenses/AGPL-3; if not, see

# <http://www.gnu.org/licenses/>.

import psutil

import univention.config_registry

from univention.management.console.modules.diagnostic import Warning, Critical

from univention.lib.i18n import Translation

_ = Translation('univention-management-console-module-diagnostic').translate

title = _('Check free disk space')

description = _('Enough free disk space available.')

DISK_USAGE_THRESHOLD = 90

def mount_points():

	for dp in psutil.disk_partitions():

		yield dp.mountpoint

def high_disk_usage():

	high = ((mp, psutil.disk_usage(mp).percent) for mp in mount_points())

	return {mp: pc for (mp, pc) in high if pc > DISK_USAGE_THRESHOLD}

def local_repository_exists():

	configRegistry = univention.config_registry.ConfigRegistry()

	configRegistry.load()

	return configRegistry.is_true('local/repository', False)

def is_varlog_own_partition():

	mp = set(mount_points())

	return '/var' in mp or '/var/log' in mp

def high_log_levels():

	def is_high(variable, default):

		return lambda ucr: int(ucr.get(variable, default)) > default

	def is_on(variable):

		return lambda ucr: ucr.is_true(variable, False)

	checks = (

		is_high('connector/debug/function', 0),

		is_high('connector/debug/level', 2),

		is_high('samba/debug/level', 33),

		is_high('directory/manager/cmd/debug/level', 0),

		is_high('dns/debug/level', 0),

		is_high('dns/dlz/debug/level', 0),

		is_high('ldap/debug/level', 0),

		is_high('listener/debug/level', 2),

		is_high('mail/postfix/ldaptable/debuglevel', 0),

		is_high('notifier/debug/level', 1),

		is_high('nscd/debug/level', 0),

		is_high('stunnel/debuglevel', 4),

		is_high('umc/module/debug/level', 2),

		is_high('umc/server/debug/level', 2),

		is_high('grub/loglevel', 0),

		is_high('mail/postfix/smtp/tls/loglevel', 0),

		is_high('mail/postfix/smtpd/tls/loglevel', 0),

		is_on('kerberos/defaults/debug'),

		is_on('mail/postfix/smtpd/debug'),

		is_on('samba4/sysvol/sync/debug'),

		is_on('aml/idp/ldap/debug'),

		is_on('saml/idp/log/debug/enabled'),

		is_on('pdate/check/boot/debug'),

		is_on('update/check/cron/debug'),

		lambda ucr: ucr.get('apache2/loglevel', 'warn') in ('notice', 'info', 'debug')

	)

	configRegistry = univention.config_registry.ConfigRegistry()

	configRegistry.load()

	return any(check(configRegistry) for check in checks)

def solutions():

	yield _('You may want to uninstall software via {appcenter:appcenter}.')

	if not is_varlog_own_partition():

		yield _('You may want to move /var/log to another disk or storage.')

	if local_repository_exists():

		yield _('You may want to move the local repository to another server.')

	yield _('You may want to exchange the hard drive.')

def run():

	high = high_disk_usage()

	tmpl = _('- Disk for mountpoint %(mp)s is %(pc)s%% full.')

	disk_errors = [tmpl % {'mp': mp, 'pc': pc} for (mp, pc) in high.iteritems()]

	problem_on_root = '/' in high

	problem_on_varlog = '/var/log' in high or '/var' in high or \

		(problem_on_root and not is_varlog_own_partition())

	if disk_errors:

		umc_modules = [{'module': 'appcenter', 'flavor': 'appcenter'}]

		error_descriptions = [_('Some disks are nearly full:')]

		error_descriptions.extend(disk_errors)

		if problem_on_root:

			error_descriptions.append('\n'.join(solutions()))

		if problem_on_varlog and high_log_levels():

			lvl_errors = (_('You have configured some high log levels.'),

				_('You may want to reset them via {ucr}.'))

			umc_modules.append({'module': 'ucr'})

			error_descriptions.append(' '.join(lvl_errors))

		if problem_on_root:

			raise Critical('\n'.join(error_descriptions), umc_modules=umc_modules)

		raise Warning('\n'.join(error_descriptions), umc_modules=umc_modules)

if __name__ == '__main__':

	from univention.management.console.modules.diagnostic import main

	main()

"Report-Msgid-Bugs-To: packages@univention.de\n"

"Report-Msgid-Bugs-To: \n"

"POT-Creation-Date: 2016-01-14 12:19+0100\n"

"POT-Creation-Date: 2017-06-06 17:08+0200\n"