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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/>.
#
import traceback
from ipaserver.plugins.ldap2 import ldap2
from ipaserver.install import bindinstance, ntpinstance
from ipaserver.install.installutils import *
from ipapython import version
from ipapython import ipautil, sysrestore
from ipalib import api, errors, util
from ipapython.config import IPAOptionParser
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", help="Master Server IP Address")
parser.add_option("--forwarder", dest="forwarders", action="append",
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("--zonemgr", dest="zonemgr",
help="DNS zone manager e-mail address. Defaults to root")
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")
if options.unattended:
if not options.dm_password:
parser.error("In unattended mode you need to provide at least the -p option")
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 resolve_host(host_name):
ip = None
try:
addrinfos = socket.getaddrinfo(host_name, None,
socket.AF_UNSPEC, socket.SOCK_DGRAM)
for ai in addrinfos:
ip = ai[4][0]
if ip == "127.0.0.1" or ip == "::1":
print "The hostname resolves to the localhost address (127.0.0.1/::1)"
print "Please change your /etc/hosts file so that the hostname"
print "resolves to the ip address of your network interface."
print ""
print "Please fix your /etc/hosts file and restart the setup program"
return None
ip = addrinfos[0][4][0]
except:
print "Unable to lookup the IP address of the provided host"
return ip
def main():
safe_options, options = parse_options()
if os.getegid() != 0:
sys.exit("Must be root to setup server")
standard_logging_setup("/var/log/ipaserver-install.log", options.debug, filemode='a')
print "\nThe log file for this installation can be found in /var/log/ipaserver-install.log"
logging.debug('%s was invoked with options: %s' % (sys.argv[0], safe_options))
logging.debug("missing options might be asked for interactively later\n")
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.")
# Check we have a public IP that is associated with the hostname
if options.ip_address:
ip_address = options.ip_address
else:
ip_address = resolve_host(api.env.host)
if not ip_address or not verify_ip_address(ip_address):
if options.unattended:
sys.exit("Unable to resolve IP address for host name")
else:
ip_address = read_ip_address(api.env.host, fstore)
logging.debug("will use ip_address: %s\n", ip_address)
if options.no_forwarders:
dns_forwarders = ()
elif options.forwarders:
dns_forwarders = options.forwarders
else:
dns_forwarders = read_dns_forwarders()
logging.debug("will use dns_forwarders: %s\n", str(dns_forwarders))
if not options.dm_password:
dm_password = read_password("Directory Manager", confirm=False, validate=False)
else:
dm_password = options.dm_password
# Try out the password
ldapuri = 'ldap://%s' % api.env.host
try:
conn = ldap2(shared_instance=False, ldap_uri=ldapuri)
conn.connect(bind_dn='cn=directory manager', bind_pw=dm_password)
conn.disconnect()
except errors.ACIError:
sys.exit("\nThe password provided is incorrect for LDAP server %s" % api.env.host)
except errors.LDAPError:
sys.exit("\nUnable to connect to LDAP server %s" % api.env.host)
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 ""
# Create a BIND instance
bind = bindinstance.BindInstance(fstore, dm_password)
create_reverse = bindinstance.create_reverse(options.unattended)
bind.setup(api.env.host, ip_address, api.env.realm, api.env.domain, dns_forwarders, conf_ntp, create_reverse, zonemgr=options.zonemgr)
api.Backend.ldap2.connect(bind_dn="cn=Directory Manager", bind_pw=dm_password)
bind.create_instance()
print "=============================================================================="
print "Setup complete"
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
try:
sys.exit(main())
except SystemExit, e:
sys.exit(e)
except KeyboardInterrupt:
print "Installation cancelled."
except RuntimeError, e:
print str(e)
except Exception, e:
message = "Unexpected error - see ipaserver-install.log for details:\n %s" % str(e)
print message
message = str(e)
for str in traceback.format_tb(sys.exc_info()[2]):
message = message + "\n" + str
logging.debug(message)
sys.exit(1)
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