diff options
Diffstat (limited to 'ipaserver/install/bindinstance.py')
| -rw-r--r-- | ipaserver/install/bindinstance.py | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/ipaserver/install/bindinstance.py b/ipaserver/install/bindinstance.py new file mode 100644 index 000000000..5badf8603 --- /dev/null +++ b/ipaserver/install/bindinstance.py @@ -0,0 +1,156 @@ +# Authors: Simo Sorce <ssorce@redhat.com> +# +# Copyright (C) 2007 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 string +import tempfile +import shutil +import os +import socket +import logging + +import service +from ipa import sysrestore +from ipa import ipautil + +def check_inst(): + # So far this file is always present in both RHEL5 and Fedora if all the necessary + # bind packages are installed (RHEL5 requires also the pkg: caching-nameserver) + if not os.path.exists('/etc/named.rfc1912.zones'): + return False + + return True + +class BindInstance(service.Service): + def __init__(self, fstore=None): + service.Service.__init__(self, "named") + self.fqdn = None + self.domain = None + self.host = None + self.ip_address = None + self.realm = None + self.sub_dict = None + + if fstore: + self.fstore = fstore + else: + self.fstore = sysrestore.FileStore('/var/lib/ipa/sysrestore') + + def setup(self, fqdn, ip_address, realm_name, domain_name): + self.fqdn = fqdn + self.ip_address = ip_address + self.realm = realm_name + self.domain = domain_name + self.host = fqdn.split(".")[0] + + self.__setup_sub_dict() + + def create_sample_bind_zone(self): + bind_txt = ipautil.template_file(ipautil.SHARE_DIR + "bind.zone.db.template", self.sub_dict) + [bind_fd, bind_name] = tempfile.mkstemp(".db","sample.zone.") + os.write(bind_fd, bind_txt) + os.close(bind_fd) + print "Sample zone file for bind has been created in "+bind_name + + def create_instance(self): + + try: + self.stop() + except: + pass + + self.step("Setting up our zone", self.__setup_zone) + self.step("Setting up named.conf", self.__setup_named_conf) + + self.step("restarting named", self.__start) + self.step("configuring named to start on boot", self.__enable) + + self.step("Changing resolv.conf to point to ourselves", self.__setup_resolv_conf) + self.start_creation("Configuring bind:") + + def __start(self): + try: + self.backup_state("running", self.is_running()) + self.restart() + except: + print "named service failed to start" + + def __enable(self): + self.backup_state("enabled", self.is_running()) + self.chkconfig_on() + + def __setup_sub_dict(self): + self.sub_dict = dict(FQDN=self.fqdn, + IP=self.ip_address, + DOMAIN=self.domain, + HOST=self.host, + REALM=self.realm) + + def __setup_zone(self): + self.backup_state("domain", self.domain) + zone_txt = ipautil.template_file(ipautil.SHARE_DIR + "bind.zone.db.template", self.sub_dict) + self.fstore.backup_file('/var/named/'+self.domain+'.zone.db') + zone_fd = open('/var/named/'+self.domain+'.zone.db', 'w') + zone_fd.write(zone_txt) + zone_fd.close() + + def __setup_named_conf(self): + self.fstore.backup_file('/etc/named.conf') + named_txt = ipautil.template_file(ipautil.SHARE_DIR + "bind.named.conf.template", self.sub_dict) + named_fd = open('/etc/named.conf', 'w') + named_fd.seek(0) + named_fd.truncate(0) + named_fd.write(named_txt) + named_fd.close() + + def __setup_resolv_conf(self): + self.fstore.backup_file('/etc/resolv.conf') + resolv_txt = "search "+self.domain+"\nnameserver "+self.ip_address+"\n" + resolv_fd = open('/etc/resolv.conf', 'w') + resolv_fd.seek(0) + resolv_fd.truncate(0) + resolv_fd.write(resolv_txt) + resolv_fd.close() + + def uninstall(self): + running = self.restore_state("running") + enabled = self.restore_state("enabled") + domain = self.restore_state("domain") + + if not running is None: + self.stop() + + if not domain is None: + try: + self.fstore.restore_file(os.path.join ("/var/named/", domain + ".zone.db")) + except ValueError, error: + logging.debug(error) + pass + + for f in ["/etc/named.conf", "/etc/resolv.conf"]: + try: + self.fstore.restore_file(f) + except ValueError, error: + logging.debug(error) + pass + + if not enabled is None and not enabled: + self.chkconfig_off() + + if not running is None and running: + self.start() |