freeipa/install/tools/ipa-host-net-manage

#!/usr/bin/env python
# Authors: Jr Aquino <jr.aquino@citrix.com>
# Authors: Rob Crittenden <rcritten@redhat.com>
# Authors: Simo Sorce <ssorce@redhat.com>
#
# Copyright (C) 2010  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 sys
try:
    from optparse import OptionParser
    from ipapython import ipautil, config
    from ipaserver.install import installutils
    from ipaserver.install.ldapupdate import LDAPUpdate, BadSyntax
    from ipaserver.plugins.ldap2 import ldap2
    from ipalib import api, errors
    import logging
    import StringIO
    import ldif
except ImportError:
    print >> sys.stderr, """\
There was a problem importing one of the required Python modules. The
error was:

    %s
""" % sys.exc_value
    sys.exit(1)

def parse_options():
    usage = "%prog [options] <enable|disable>\n"
    usage += "%prog [options]\n"
    parser = OptionParser(usage=usage, formatter=config.IPAFormatter())

    parser.add_option("-d", "--debug", action="store_true", dest="debug",
                      help="Display debugging information about the update(s)")
    parser.add_option("-y", dest="password",
                      help="File containing the Directory Manager password")

    config.add_standard_options(parser)
    options, args = parser.parse_args()

    config.init_config(options)

    return options, args

def get_dirman_password():
    """Prompt the user for the Directory Manager password and verify its
       correctness.
    """
    password = installutils.read_password("Directory Manager", confirm=False,
        validate=False)

    return password

def main():
    retval = 0
    loglevel = logging.ERROR
    files = ['/usr/share/ipa/host_nis_groups.ldif']
    def_dn = 'cn=NGP Definition,cn=Managed Entries,cn=plugins,cn=config'

    options, args = parse_options()
    if options.debug:
        loglevel = logging.DEBUG

    if len(args) != 1:
        sys.exit("You must specify one action, either enable or disable")
    elif args[0] != "enable" and args[0] != "disable" and args[0] != "status":
        sys.exit("Unrecognized action [" + args[0] + "]")

    logging.basicConfig(level=loglevel,
                        format='%(levelname)s %(message)s')

    dirman_password = ""
    if options.password:
        pw = ipautil.template_file(options.password, [])
        dirman_password = pw.strip()
    else:
        dirman_password = get_dirman_password()

    api.bootstrap(context='cli', debug=options.debug)
    api.finalize()

    conn = None
    try:
        ldapuri = 'ldap://%s' % installutils.get_fqdn()
        try:
            conn = ldap2(shared_instance=False, ldap_uri=ldapuri, base_dn='')
            conn.connect(
                bind_dn='cn=directory manager', bind_pw=dirman_password
            )
        except errors.LDAPError, lde:
            sys.exit("An error occurred while connecting to the server.\n%s\n" %
                str(lde))

        if args[0] == "status":
            try:
                dn, current_attr = conn.get_entry(def_dn, ['originfilter'],
                    normalize=False)
                if current_attr['originfilter'] == [u'objectclass=ipahostgroup']:
                    print "Plugin Enabled"
                else:
                    print "Plugin Disabled"
            except errors.NotFound:
                print "Plugin Disabled"
            except errors.LDAPError, lde:
                print "An error occurred while talking to the server."
                print lde
            return 0

        if args[0] == "enable":
            try:
                enable_attr = {'originfilter': 'objectclass=ipahostgroup'}
                dn, current_attr = conn.get_entry(def_dn, ['originfilter'],
                    normalize=False)
                if current_attr['originfilter'] == [u'objectclass=ipahostgroup']:
                    print "Plugin already Enabled"
                else:
                    conn.update_entry(dn, enable_attr)
                    print "Enabling Plugin"
                retval = 2
            except errors.NotFound:
                print "Enabling Plugin"
            except errors.LDAPError, lde:
                print "An error occurred while talking to the server."
                print lde
                retval = 1

            if retval == 0:
                ldap_data = StringIO.StringIO()
                ldapfile = open(files[0], 'r').readlines()
                for line in ldapfile:
                    if line == 'changetype: add\n':
                        pass
                    else:
                        line = line.replace(
                            '$SUFFIX', api.env.basedn).replace('$$', '$')
                        ldap_data.write(line,)
                parsing_data = ldif.LDIFRecordList(ldap_data)
                print "Enabling Plugin"
                print "This setting will not take effect until you restart \
                    Directory Server."
                for dn, entry_attr in parsing_data.all_records:
                    try:
                        conn.update_entry(dn, entry_attr)
                        retval = 1
                    except errors.LDAPError, lde:
                        print "An error occurred while talking to the server."
                        print lde
                        retval = 1

        elif args[0] == "disable":
            # Make a quick hack for now, directly delete the entries by name,
            # In future we should consider an alternative means for enabling/
            # disabling.
            try:
                disable_attr = {'originfilter': 'objectclass=disabled'}
                dn, current_attr = conn.get_entry(def_dn, ['originfilter'],
                    normalize=False)
                if current_attr['originfilter'] == [u'objectclass=disabled']:
                    print "Plugin already disabled"
                else:
                    conn.update_entry(dn, disable_attr)
                    print "Disabling Plugin"
            except errors.NotFound:
                print "Plugin is already disabled"
                retval = 2
            except errors.DatabaseError, dbe:
                print "An error occurred while talking to the server."
                print dbe
                retval = 1
            except errors.LDAPError, lde:
                print "An error occurred while talking to the server."
                print lde
                retval = 1

        else:
            retval = 1

    finally:
        if conn:
            conn.disconnect()

    return retval

try:
    if __name__ == "__main__":
        sys.exit(main())
except BadSyntax, e:
    print "There is a syntax error in this update file:"
    print "  %s" % e
    sys.exit(1)
except RuntimeError, e:
    print "%s" % e
    sys.exit(1)
except SystemExit, e:
    sys.exit(e)
except KeyboardInterrupt, e:
    sys.exit(1)
except config.IPAConfigError, e:
    print "An IPA server to update cannot be found. Has one been configured yet?"
    print "The error was: %s" % e
    sys.exit(1)
except errors.LDAPError, e:
    print "An error occurred while performing operations: %s" % e
    sys.exit(1)