freeipa/install/tools/ipa-dns-install

#! /usr/bin/python2 -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 __future__ import print_function

from optparse import OptionGroup, SUPPRESS_HELP

from ipaserver.install import bindinstance, httpinstance
from ipaserver.install.installutils import *
from ipaserver.install import installutils
from ipapython import version
from ipalib import api
from ipaplatform.paths import paths
from ipapython.config import IPAOptionParser
from ipapython.ipa_log_manager import standard_logging_setup, root_logger

from ipaserver.install import dns as dns_installer

log_file_name = paths.IPASERVER_INSTALL_LOG

def parse_options():
    parser = IPAOptionParser(version=version.VERSION)
    parser.add_option("-p", "--ds-password", dest="dm_password",
                      sensitive=True, help=SUPPRESS_HELP)
    parser.add_option("-d", "--debug", dest="debug", action="store_true",
                      default=False, help="print debugging information")
    parser.add_option("--ip-address", dest="ip_addresses", metavar="IP_ADDRESS",
                      default=[], action="append",
                      type="ip", ip_local=True, help="Master Server IP Address. This option can be used multiple times")
    parser.add_option("--forwarder", dest="forwarders", action="append",
                      type="ip", help="Add a DNS forwarder. This option can be used multiple times")
    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_zones",
                      default=[], action="append", metavar="REVERSE_ZONE",
                      help="The reverse DNS zone to use. This option can be used multiple times")
    parser.add_option("--no-reverse", dest="no_reverse", action="store_true",
                      default=False, help="Do not create new reverse DNS zone")
    parser.add_option("--no-dnssec-validation", dest="no_dnssec_validation", action="store_true",
                      default=False, help="Disable DNSSEC validation")
    parser.add_option("--dnssec-master", dest="dnssec_master", action="store_true",
                      default=False, help="Setup server to be DNSSEC key master")
    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("-U", "--unattended", dest="unattended", action="store_true",
                      default=False, help="unattended installation never prompts the user")
    parser.add_option("--disable-dnssec-master", dest="disable_dnssec_master",
                      action="store_true", default=False, help="Disable the "
                      "DNSSEC master on this server")
    parser.add_option("--kasp-db", dest="kasp_db_file", type="string",
                      metavar="FILE", action="store", help="Copy OpenDNSSEC "
                      "metadata from the specified file (will not create a new "
                      "kasp.db file)")
    parser.add_option("--force", dest="force", action="store_true",
                      help="Force install")

    options, args = parser.parse_args()
    safe_options = parser.get_safe_opts(options)

    if options.dnssec_master and options.disable_dnssec_master:
        parser.error("Invalid combination of parameters: --dnssec-master and "
                     "--disable-dnssec-master")

    if options.forwarders and options.no_forwarders:
        parser.error("You cannot specify a --forwarder option together with --no-forwarders")
    elif options.reverse_zones 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")

    if options.kasp_db_file and not ipautil.file_exists(options.kasp_db_file):
        parser.error("File %s does not exist" % options.kasp_db_file)

    if options.dm_password:
        print ("WARNING: Option -p/--ds-password is deprecated "
               "and should not be used anymore.")
    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")
    root_logger.debug('IPA version %s' % version.VENDOR_VERSION)

    installutils.check_server_configuration()

    # Initialize the ipalib api
    cfg = dict(
        in_server=True,
        debug=options.debug,
    )
    api.bootstrap(**cfg)
    api.finalize()

    api.Backend.ldap2.connect(autobind=True)

    options.setup_ca = None  # must be None to enable autodetection

    dns_installer.install_check(True, False, options, hostname=api.env.host)
    dns_installer.install(True, False, options)

    # Restart http instance to make sure that python-dns has the right resolver
    # https://bugzilla.redhat.com/show_bug.cgi?id=800368
    fstore = sysrestore.FileStore(paths.SYSRESTORE)
    http = httpinstance.HTTPInstance(fstore)
    service.print_msg("Restarting the web server")
    http.restart()

    return 0

if __name__ == '__main__':
    installutils.run_script(main, log_file_name=log_file_name,
                            operation_name='ipa-dns-install')