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3a6d714bb2
https://fedorahosted.org/freeipa/ticket/4695 Reviewed-By: Martin Basti <mbasti@redhat.com>
253 lines
10 KiB
Python
Executable File
253 lines
10 KiB
Python
Executable File
#! /usr/bin/python2 -E
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# Authors: Martin Nagy <mnagy@redhat.com>
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# Based on ipa-server-install by Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2007 - 2009 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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from optparse import OptionGroup, SUPPRESS_HELP
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import krbV
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from ipaserver.install import (service, bindinstance, ntpinstance,
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httpinstance, dnskeysyncinstance, opendnssecinstance, odsexporterinstance)
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from ipaserver.install.installutils import *
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from ipaserver.install import installutils
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from ipapython import version
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from ipapython import ipautil, sysrestore
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from ipalib import api, errors, util
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from ipaplatform.paths import paths
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from ipapython.config import IPAOptionParser
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from ipapython.ipa_log_manager import standard_logging_setup, root_logger
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from ipapython.ipautil import DN
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log_file_name = paths.IPASERVER_INSTALL_LOG
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def parse_options():
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parser = IPAOptionParser(version=version.VERSION)
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parser.add_option("-p", "--ds-password", dest="dm_password",
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sensitive=True, help="admin password")
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parser.add_option("-d", "--debug", dest="debug", action="store_true",
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default=False, help="print debugging information")
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parser.add_option("--ip-address", dest="ip_addresses", metavar="IP_ADDRESS",
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default=[], action="append",
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type="ip", ip_local=True, help="Master Server IP Address. This option can be used multiple times")
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parser.add_option("--forwarder", dest="forwarders", action="append",
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type="ip", help="Add a DNS forwarder. This option can be used multiple times")
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parser.add_option("--no-forwarders", dest="no_forwarders", action="store_true",
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default=False, help="Do not add any DNS forwarders, use root servers instead")
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parser.add_option("--reverse-zone", dest="reverse_zones",
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default=[], action="append", metavar="REVERSE_ZONE",
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help="The reverse DNS zone to use. This option can be used multiple times")
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parser.add_option("--no-reverse", dest="no_reverse", action="store_true",
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default=False, help="Do not create new reverse DNS zone")
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parser.add_option("--no-dnssec-validation", dest="no_dnssec_validation", action="store_true",
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default=False, help="Disable DNSSEC validation")
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parser.add_option("--dnssec-master", dest="dnssec_master", action="store_true",
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default=False, help="Setup server to be DNSSEC key master")
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parser.add_option("--zonemgr", action="callback", callback=bindinstance.zonemgr_callback,
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type="string",
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help="DNS zone manager e-mail address. Defaults to hostmaster@DOMAIN")
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parser.add_option("-U", "--unattended", dest="unattended", action="store_true",
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default=False, help="unattended installation never prompts the user")
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options, args = parser.parse_args()
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safe_options = parser.get_safe_opts(options)
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if options.forwarders and options.no_forwarders:
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parser.error("You cannot specify a --forwarder option together with --no-forwarders")
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elif options.reverse_zones and options.no_reverse:
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parser.error("You cannot specify a --reverse-zone option together with --no-reverse")
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if options.unattended:
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if not options.forwarders and not options.no_forwarders:
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parser.error("You must specify at least one --forwarder option or --no-forwarders option")
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return safe_options, options
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def main():
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safe_options, options = parse_options()
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if os.getegid() != 0:
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sys.exit("Must be root to setup server")
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standard_logging_setup(log_file_name, debug=options.debug, filemode='a')
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print "\nThe log file for this installation can be found in %s" % log_file_name
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root_logger.debug('%s was invoked with options: %s' % (sys.argv[0], safe_options))
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root_logger.debug("missing options might be asked for interactively later\n")
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root_logger.debug('IPA version %s' % version.VENDOR_VERSION)
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installutils.check_server_configuration()
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global fstore
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fstore = sysrestore.FileStore(paths.SYSRESTORE)
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print "=============================================================================="
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print "This program will setup DNS for the FreeIPA Server."
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print ""
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print "This includes:"
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print " * Configure DNS (bind)"
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print " * Configure SoftHSM (required by DNSSEC)"
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print " * Configure ipa-dnskeysyncd (required by DNSSEC)"
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if options.dnssec_master:
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print " * Configure ipa-ods-exporter (required by DNSSEC key master)"
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print " * Configure OpenDNSSEC (required by DNSSEC key master)"
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print " * Generate DNSSEC master key (required by DNSSEC key master)"
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print ""
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print "NOTE: DNSSEC zone signing is not enabled by default"
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print ""
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if options.dnssec_master:
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print "DNSSEC support is experimental!"
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print ""
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print "Plan carefully, current version doesn't allow you to move DNSSEC"
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print "key master to different server and master cannot be uninstalled"
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print ""
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print ""
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print "To accept the default shown in brackets, press the Enter key."
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print ""
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if options.dnssec_master and not options.unattended and not ipautil.user_input(
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"Do you want to setup this IPA server as DNSSEC key master?",
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False):
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sys.exit("Aborted")
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# Check bind packages are installed
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if not (bindinstance.check_inst(options.unattended) and
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dnskeysyncinstance.check_inst()):
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sys.exit("Aborting installation.")
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if options.dnssec_master:
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# check opendnssec packages are installed
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if not opendnssecinstance.check_inst():
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sys.exit("Aborting installation")
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# Initialize the ipalib api
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cfg = dict(
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in_server=True,
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debug=options.debug,
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)
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api.bootstrap(**cfg)
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api.finalize()
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# Create a BIND instance
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if options.unattended and not options.dm_password:
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sys.exit("\nIn unattended mode you need to provide at least the -p option")
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dm_password = options.dm_password or read_password("Directory Manager",
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confirm=False, validate=False)
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if dm_password is None:
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sys.exit("Directory Manager password required")
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bind = bindinstance.BindInstance(fstore, dm_password)
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# try the connection
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try:
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bind.ldap_connect()
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bind.ldap_disconnect()
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except errors.ACIError:
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sys.exit("Password is not valid!")
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ods = opendnssecinstance.OpenDNSSECInstance(fstore, dm_password)
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if options.dnssec_master:
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dnssec_masters = ods.get_masters()
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# we can reinstall current server if it is dnssec master
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if not api.env.host in dnssec_masters and dnssec_masters:
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print "DNSSEC key master(s):", u','.join(dnssec_masters)
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sys.exit("Only one DNSSEC key master is supported in current version.")
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ip_addresses = get_server_ip_address(api.env.host, fstore,
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options.unattended, True, options.ip_addresses)
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if options.no_forwarders:
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dns_forwarders = ()
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elif options.forwarders:
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dns_forwarders = options.forwarders
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else:
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dns_forwarders = read_dns_forwarders()
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# test DNSSEC forwarders
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if dns_forwarders:
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if (not bindinstance.check_forwarders(dns_forwarders, root_logger)
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and not options.no_dnssec_validation):
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options.no_dnssec_validation = True
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print "WARNING: DNSSEC validation will be disabled"
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root_logger.debug("will use dns_forwarders: %s\n", str(dns_forwarders))
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if bind.dm_password:
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api.Backend.ldap2.connect(bind_dn=DN(('cn', 'Directory Manager')), bind_pw=bind.dm_password)
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else:
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# See if our LDAP server is up and we can talk to it over GSSAPI
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ccache = krbV.default_context().default_ccache()
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api.Backend.ldap2.connect(ccache)
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reverse_zones = bindinstance.check_reverse_zones(ip_addresses,
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options.reverse_zones, options, options.unattended, True)
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if reverse_zones:
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print "Using reverse zone(s) %s" % ', '.join(reverse_zones)
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conf_ntp = ntpinstance.NTPInstance(fstore).is_enabled()
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if not options.unattended:
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print ""
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print "The following operations may take some minutes to complete."
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print "Please wait until the prompt is returned."
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print ""
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bind.setup(api.env.host, ip_addresses, api.env.realm, api.env.domain,
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dns_forwarders, conf_ntp, reverse_zones, zonemgr=options.zonemgr,
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no_dnssec_validation=options.no_dnssec_validation)
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bind.create_instance()
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# on dnssec master this must be installed last
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dnskeysyncd = dnskeysyncinstance.DNSKeySyncInstance(fstore, dm_password)
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dnskeysyncd.create_instance(api.env.host, api.env.realm)
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if options.dnssec_master:
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ods_exporter = odsexporterinstance.ODSExporterInstance(fstore, dm_password)
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ods_exporter.create_instance(api.env.host, api.env.realm)
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ods.create_instance(api.env.host, api.env.realm)
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dnskeysyncd.start_dnskeysyncd()
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bind.start_named()
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# Restart http instance to make sure that python-dns has the right resolver
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# https://bugzilla.redhat.com/show_bug.cgi?id=800368
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http = httpinstance.HTTPInstance(fstore)
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service.print_msg("Restarting the web server")
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http.restart()
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print "=============================================================================="
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print "Setup complete"
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print ""
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bind.check_global_configuration()
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print ""
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print ""
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print "\tYou must make sure these network ports are open:"
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print "\t\tTCP Ports:"
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print "\t\t * 53: bind"
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print "\t\tUDP Ports:"
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print "\t\t * 53: bind"
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return 0
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if __name__ == '__main__':
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with private_ccache():
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installutils.run_script(main, log_file_name=log_file_name,
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operation_name='ipa-dns-install')
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