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70c3cd7f48
The ipa_certupdate, ipachangeconf, ipadiscovery and ntpconf modules depend on ipaplatform. Move them to ipaclient.install as they are used only from the client installer. https://fedorahosted.org/freeipa/ticket/6474 Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
238 lines
8.0 KiB
Python
238 lines
8.0 KiB
Python
# Authors: Karl MacMillan <kmacmillan@redhat.com>
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# Copyright (C) 2007 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import os
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import shutil
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from ipalib import api
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from ipapython import ipautil
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from ipapython.ipa_log_manager import root_logger
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from ipaplatform.tasks import tasks
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from ipaplatform import services
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from ipaplatform.paths import paths
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ntp_conf = """# Permit time synchronization with our time source, but do not
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# permit the source to query or modify the service on this system.
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restrict default kod nomodify notrap nopeer noquery
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restrict -6 default kod nomodify notrap nopeer noquery
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# Permit all access over the loopback interface. This could
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# be tightened as well, but to do so would effect some of
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# the administrative functions.
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restrict 127.0.0.1
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restrict -6 ::1
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# Hosts on local network are less restricted.
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#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
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# Use public servers from the pool.ntp.org project.
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# Please consider joining the pool (http://www.pool.ntp.org/join.html).
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$SERVERS_BLOCK
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#broadcast 192.168.1.255 key 42 # broadcast server
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#broadcastclient # broadcast client
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#broadcast 224.0.1.1 key 42 # multicast server
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#multicastclient 224.0.1.1 # multicast client
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#manycastserver 239.255.254.254 # manycast server
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#manycastclient 239.255.254.254 key 42 # manycast client
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# Undisciplined Local Clock. This is a fake driver intended for backup
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# and when no outside source of synchronized time is available.
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server 127.127.1.0 # local clock
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#fudge 127.127.1.0 stratum 10
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# Drift file. Put this in a directory which the daemon can write to.
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# No symbolic links allowed, either, since the daemon updates the file
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# by creating a temporary in the same directory and then rename()'ing
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# it to the file.
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driftfile /var/lib/ntp/drift
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# Key file containing the keys and key identifiers used when operating
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# with symmetric key cryptography.
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keys /etc/ntp/keys
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# Specify the key identifiers which are trusted.
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#trustedkey 4 8 42
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# Specify the key identifier to use with the ntpdc utility.
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#requestkey 8
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# Specify the key identifier to use with the ntpq utility.
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#controlkey 8
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"""
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ntp_sysconfig = """OPTIONS="-x -p /var/run/ntpd.pid"
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# Set to 'yes' to sync hw clock after successful ntpdate
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SYNC_HWCLOCK=yes
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# Additional options for ntpdate
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NTPDATE_OPTIONS=""
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"""
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ntp_step_tickers = """# Use IPA-provided NTP server for initial time
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$TICKER_SERVERS_BLOCK
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"""
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def __backup_config(path, fstore = None):
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if fstore:
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fstore.backup_file(path)
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else:
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shutil.copy(path, "%s.ipasave" % (path))
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def __write_config(path, content):
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fd = open(path, "w")
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fd.write(content)
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fd.close()
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def config_ntp(ntp_servers, fstore = None, sysstore = None):
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path_step_tickers = paths.NTP_STEP_TICKERS
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path_ntp_conf = paths.NTP_CONF
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path_ntp_sysconfig = paths.SYSCONFIG_NTPD
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sub_dict = {}
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sub_dict["SERVERS_BLOCK"] = "\n".join("server %s" % s for s in ntp_servers)
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sub_dict["TICKER_SERVERS_BLOCK"] = "\n".join(ntp_servers)
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nc = ipautil.template_str(ntp_conf, sub_dict)
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config_step_tickers = False
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if os.path.exists(path_step_tickers):
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config_step_tickers = True
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ns = ipautil.template_str(ntp_step_tickers, sub_dict)
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__backup_config(path_step_tickers, fstore)
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__write_config(path_step_tickers, ns)
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tasks.restore_context(path_step_tickers)
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if sysstore:
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module = 'ntp'
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sysstore.backup_state(module, "enabled", services.knownservices.ntpd.is_enabled())
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if config_step_tickers:
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sysstore.backup_state(module, "step-tickers", True)
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__backup_config(path_ntp_conf, fstore)
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__write_config(path_ntp_conf, nc)
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tasks.restore_context(path_ntp_conf)
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__backup_config(path_ntp_sysconfig, fstore)
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__write_config(path_ntp_sysconfig, ntp_sysconfig)
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tasks.restore_context(path_ntp_sysconfig)
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# Set the ntpd to start on boot
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services.knownservices.ntpd.enable()
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# Restart ntpd
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services.knownservices.ntpd.restart()
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def synconce_ntp(server_fqdn, debug=False):
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"""
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Syncs time with specified server using ntpd.
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Primarily designed to be used before Kerberos setup
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to get time following the KDC time
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Returns True if sync was successful
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"""
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ntpd = paths.NTPD
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if not os.path.exists(ntpd):
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return False
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# The ntpd command will never exit if it is unable to reach the
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# server, so timeout after 15 seconds.
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timeout = 15
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tmp_ntp_conf = ipautil.write_tmp_file('server %s' % server_fqdn)
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args = [paths.BIN_TIMEOUT, str(timeout), ntpd, '-qgc', tmp_ntp_conf.name]
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if debug:
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args.append('-d')
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try:
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root_logger.info('Attempting to sync time using ntpd. '
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'Will timeout after %d seconds' % timeout)
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ipautil.run(args)
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return True
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except ipautil.CalledProcessError as e:
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if e.returncode == 124:
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root_logger.debug('Process did not complete before timeout')
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return False
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class NTPConfigurationError(Exception):
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pass
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class NTPConflictingService(NTPConfigurationError):
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def __init__(self, message='', conflicting_service=None):
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super(NTPConflictingService, self).__init__(self, message)
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self.conflicting_service = conflicting_service
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def check_timedate_services():
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"""
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System may contain conflicting services used for time&date synchronization.
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As IPA server/client supports only ntpd, make sure that other services are
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not enabled to prevent conflicts. For example when both chronyd and ntpd
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are enabled, systemd would always start only chronyd to manage system
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time&date which would make IPA configuration of ntpd ineffective.
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Reference links:
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https://fedorahosted.org/freeipa/ticket/2974
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http://fedoraproject.org/wiki/Features/ChronyDefaultNTP
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"""
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for service in services.timedate_services:
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if service == 'ntpd':
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continue
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# Make sure that the service is not enabled
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instance = services.service(service, api)
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if instance.is_enabled() or instance.is_running():
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raise NTPConflictingService(conflicting_service=instance.service_name)
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def force_ntpd(statestore):
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"""
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Force ntpd configuration and disable and stop any other conflicting
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time&date service
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"""
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for service in services.timedate_services:
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if service == 'ntpd':
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continue
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instance = services.service(service, api)
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enabled = instance.is_enabled()
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running = instance.is_running()
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if enabled or running:
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statestore.backup_state(instance.service_name, 'enabled', enabled)
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statestore.backup_state(instance.service_name, 'running', running)
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if running:
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instance.stop()
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if enabled:
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instance.disable()
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def restore_forced_ntpd(statestore):
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"""
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Restore from --force-ntpd installation and enable/start service that were
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disabled/stopped during installation
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"""
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for service in services.timedate_services:
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if service == 'ntpd':
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continue
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if statestore.has_state(service):
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instance = services.service(service, api)
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enabled = statestore.restore_state(instance.service_name, 'enabled')
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running = statestore.restore_state(instance.service_name, 'running')
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if enabled:
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instance.enable()
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if running:
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instance.start()
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