#! /usr/bin/python -E # Authors: Martin Nagy # Based on ipa-server-install by Karl MacMillan # # 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; version 2 only # # 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, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # 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: ip = socket.gethostbyname(host_name) 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 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.dns_container_exists(api.env.host, api.env.realm): 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)