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69394bab5a
freeipa/install/tools/ipa-dns-install
Tomas Babej 69394bab5a Remove support for IPA deployments with no persistent search 
Drops the code from ipa-server-install, ipa-dns-install and the
BindInstance itself. Also changed ipa-upgradeconfig script so
that it does not set zone_refresh to 0 on upgrades, as the option
is deprecated.

https://fedorahosted.org/freeipa/ticket/3632
2013-08-09 12:14:42 +02:00

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Python
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#! /usr/bin/python -E
# Authors: Martin Nagy <mnagy@redhat.com>
# Based on ipa-server-install by Karl MacMillan <kmacmillan@mentalrootkit.com>
#
# Copyright (C) 2007 - 2009 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from optparse import OptionGroup, SUPPRESS_HELP
import krbV
from ipaserver.install import service, bindinstance, ntpinstance, httpinstance
from ipaserver.install.installutils import *
from ipaserver.install import installutils
from ipapython import version
from ipapython import ipautil, sysrestore
from ipalib import api, errors, util
from ipapython.config import IPAOptionParser
from ipapython.ipa_log_manager import standard_logging_setup, root_logger
log_file_name = "/var/log/ipaserver-install.log"
def parse_options():
parser = IPAOptionParser(version=version.VERSION)
parser.add_option("-p", "--ds-password", dest="dm_password",
sensitive=True, help="admin password")
parser.add_option("-d", "--debug", dest="debug", action="store_true",
default=False, help="print debugging information")
parser.add_option("--ip-address", dest="ip_address",
type="ip", ip_local=True, help="Master Server IP Address")
parser.add_option("--forwarder", dest="forwarders", action="append",
type="ip", help="Add a DNS forwarder")
parser.add_option("--no-forwarders", dest="no_forwarders", action="store_true",
default=False, help="Do not add any DNS forwarders, use root servers instead")
parser.add_option("--reverse-zone", dest="reverse_zone", help="The reverse DNS zone to use")
parser.add_option("--no-reverse", dest="no_reverse", action="store_true",
default=False, help="Do not create new reverse DNS zone")
parser.add_option("--zonemgr", action="callback", callback=bindinstance.zonemgr_callback,
type="string",
help="DNS zone manager e-mail address. Defaults to hostmaster@DOMAIN")
parser.add_option("--no-serial-autoincrement", dest="serial_autoincrement",
default=True, action="store_false",
help="Do not enable SOA serial autoincrement")
parser.add_option("-U", "--unattended", dest="unattended", action="store_true",
default=False, help="unattended installation never prompts the user")
options, args = parser.parse_args()
safe_options = parser.get_safe_opts(options)
if options.forwarders and options.no_forwarders:
parser.error("You cannot specify a --forwarder option together with --no-forwarders")
elif options.reverse_zone and options.no_reverse:
parser.error("You cannot specify a --reverse-zone option together with --no-reverse")
if options.unattended:
if not options.forwarders and not options.no_forwarders:
parser.error("You must specify at least one --forwarder option or --no-forwarders option")
return safe_options, options
def main():
safe_options, options = parse_options()
if os.getegid() != 0:
sys.exit("Must be root to setup server")
standard_logging_setup(log_file_name, debug=options.debug, filemode='a')
print "\nThe log file for this installation can be found in %s" % log_file_name
root_logger.debug('%s was invoked with options: %s' % (sys.argv[0], safe_options))
root_logger.debug("missing options might be asked for interactively later\n")
installutils.check_server_configuration()
global fstore
fstore = sysrestore.FileStore('/var/lib/ipa/sysrestore')
print "=============================================================================="
print "This program will setup DNS for the FreeIPA Server."
print ""
print "This includes:"
print " * Configure DNS (bind)"
print ""
print "To accept the default shown in brackets, press the Enter key."
print ""
# Check bind packages are installed
if not bindinstance.check_inst(options.unattended):
sys.exit("Aborting installation.")
# Initialize the ipalib api
cfg = dict(
in_server=True,
debug=options.debug,
)
api.bootstrap(**cfg)
api.finalize()
if bindinstance.named_conf_exists():
sys.exit("\nDNS is already configured in this IPA server.")
# Create a BIND instance
if options.unattended and not options.dm_password:
sys.exit("\nIn unattended mode you need to provide at least the -p option")
dm_password = options.dm_password or read_password("Directory Manager",
confirm=False, validate=False)
if dm_password is None:
sys.exit("Directory Manager password required")
bind = bindinstance.BindInstance(fstore, dm_password)
# try the connection
try:
bind.ldap_connect()
bind.ldap_disconnect()
except errors.ACIError:
sys.exit("Password is not valid!")
# Check we have a public IP that is associated with the hostname
if options.ip_address:
ip = options.ip_address
else:
hostaddr = resolve_host(api.env.host)
try:
if len(hostaddr) > 1:
print >> sys.stderr, "The server hostname resolves to more than one address:"
for addr in hostaddr:
print >> sys.stderr, " %s" % addr
if options.ip_address:
if str(options.ip_address) not in hostaddr:
print >> sys.stderr, "Address passed in --ip-address did not match any resolved"
print >> sys.stderr, "address!"
sys.exit(1)
print "Selected IP address:", str(options.ip_address)
ip = options.ip_address
else:
if options.unattended:
print >> sys.stderr, "Please use --ip-address option to specify the address"
sys.exit(1)
else:
ip = read_ip_address(api.env.host, fstore)
else:
ip = hostaddr and ipautil.CheckedIPAddress(hostaddr[0], match_local=True)
except Exception, e:
print "Error: Invalid IP Address %s: %s" % (ip, e)
ip = None
if not ip:
if options.unattended:
sys.exit("Unable to resolve IP address for host name")
else:
ip = read_ip_address(api.env.host, fstore)
ip_address = str(ip)
root_logger.debug("will use ip_address: %s\n", ip_address)
if options.reverse_zone and not bindinstance.verify_reverse_zone(options.reverse_zone, ip):
sys.exit(1)
if options.no_forwarders:
dns_forwarders = ()
elif options.forwarders:
dns_forwarders = options.forwarders
else:
dns_forwarders = read_dns_forwarders()
root_logger.debug("will use dns_forwarders: %s\n", str(dns_forwarders))
if bind.dm_password:
api.Backend.ldap2.connect(bind_dn=DN(('cn', 'Directory Manager')), bind_pw=bind.dm_password)
else:
# See if our LDAP server is up and we can talk to it over GSSAPI
ccache = krbV.default_context().default_ccache()
api.Backend.ldap2.connect(ccache)
if options.reverse_zone:
reverse_zone = bindinstance.normalize_zone(options.reverse_zone)
else:
reverse_zone = bindinstance.find_reverse_zone(ip)
if reverse_zone is None and not options.no_reverse:
if options.unattended:
reverse_zone = util.get_reverse_zone_default(ip)
elif bindinstance.create_reverse():
reverse_zone = util.get_reverse_zone_default(ip)
reverse_zone = bindinstance.read_reverse_zone(reverse_zone, ip)
if reverse_zone is not None:
print "Using reverse zone %s" % reverse_zone
conf_ntp = ntpinstance.NTPInstance(fstore).is_enabled()
if not options.unattended:
print ""
print "The following operations may take some minutes to complete."
print "Please wait until the prompt is returned."
print ""
bind.setup(api.env.host, ip_address, api.env.realm, api.env.domain,
dns_forwarders, conf_ntp, reverse_zone, zonemgr=options.zonemgr,
serial_autoincrement=options.serial_autoincrement)
bind.create_instance()
# Restart http instance to make sure that python-dns has the right resolver
# https://bugzilla.redhat.com/show_bug.cgi?id=800368
http = httpinstance.HTTPInstance(fstore)
service.print_msg("Restarting the web server")
http.restart()
print "=============================================================================="
print "Setup complete"
print ""
bind.check_global_configuration()
print ""
print ""
print "\tYou must make sure these network ports are open:"
print "\t\tTCP Ports:"
print "\t\t * 53: bind"
print "\t\tUDP Ports:"
print "\t\t * 53: bind"
return 0
if __name__ == '__main__':
with private_ccache():
installutils.run_script(main, log_file_name=log_file_name,
operation_name='ipa-dns-install')
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