Coverage for ipaserver/install/upgradeinstance : 28%

# Authors: Rob Crittenden <rcritten@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 os 

import sys 

import shutil 

import random 

import traceback 

from ipapython.ipa_log_manager import * 

from ipaserver.install import installutils 

from ipaserver.install import dsinstance 

from ipaserver.install import ldapupdate 

from ipaserver.install import service 

DSBASE = '/etc/dirsrv/slapd-' 

DSE = 'dse.ldif' 

class IPAUpgrade(service.Service): 

    """ 

    Update the LDAP data in an instance by turning off all network 

    listeners and updating over ldapi. This way we know the server is 

    quiet. 

    """ 

    def __init__(self, realm_name, files=[], live_run=True): 

        """ 

        realm_name: kerberos realm name, used to determine DS instance dir 

        files: list of update files to process. If none use UPDATEDIR 

        live_run: boolean that defines if we are in test or live mode. 

        """ 

        ext = '' 

        rand = random.Random() 

        for i in range(8): 

            h = "%02x" % rand.randint(0,255) 

            ext += h 

        service.Service.__init__(self, "dirsrv") 

        serverid = dsinstance.realm_to_serverid(realm_name) 

        self.filename = '%s%s/%s' % (DSBASE, serverid, DSE) 

        self.savefilename = '%s%s/%s.ipa.%s' % (DSBASE, serverid, DSE, ext) 

        self.live_run = live_run 

        self.files = files 

        self.modified = False 

        self.badsyntax = False 

        self.upgradefailed = False 

        self.serverid = serverid 

    def __start_nowait(self): 

        # Don't wait here because we've turned off port 389. The connection 

        # we make will wait for the socket. 

        super(IPAUpgrade, self).start(wait=False) 

    def __stop_instance(self): 

        """Stop only the main DS instance""" 

        super(IPAUpgrade, self).stop(self.serverid) 

    def create_instance(self): 

        self.step("stopping directory server", self.__stop_instance) 

        self.step("saving configuration", self.__save_config) 

        self.step("disabling listeners", self.__disable_listeners) 

        self.step("starting directory server", self.__start_nowait) 

        self.step("upgrading server", self.__upgrade) 

        self.step("stopping directory server", self.__stop_instance) 

        self.step("restoring configuration", self.__restore_config) 

        self.step("starting directory server", self.start) 

        self.start_creation(start_message="Upgrading IPA:", 

                            show_service_name=False) 

    def __save_config(self): 

        shutil.copy2(self.filename, self.savefilename) 

        port = installutils.get_directive(self.filename, 'nsslapd-port', 

               separator=':') 

        security = installutils.get_directive(self.filename, 'nsslapd-security', 

                   separator=':') 

        self.backup_state('nsslapd-port', port) 

        self.backup_state('nsslapd-security', security) 

    def __restore_config(self): 

        port = self.restore_state('nsslapd-port') 

        security = self.restore_state('nsslapd-security') 

        installutils.set_directive(self.filename, 'nsslapd-port', 

            port, quotes=False, separator=':') 

        installutils.set_directive(self.filename, 'nsslapd-security', 

            security, quotes=False, separator=':') 

    def __disable_listeners(self): 

        installutils.set_directive(self.filename, 'nsslapd-port', 

            0, quotes=False, separator=':') 

        installutils.set_directive(self.filename, 'nsslapd-security', 

            'off', quotes=False, separator=':') 

        installutils.set_directive(self.filename, 'nsslapd-ldapientrysearchbase', 

            None, quotes=False, separator=':') 

    def __upgrade(self): 

        try: 

            ld = ldapupdate.LDAPUpdate(dm_password='', ldapi=True, live_run=self.live_run, plugins=True) 

            if len(self.files) == 0: 

                self.files = ld.get_all_files(ldapupdate.UPDATES_DIR) 

            self.modified = ld.update(self.files, ordered=True) 

        except ldapupdate.BadSyntax, e: 

            root_logger.error('Bad syntax in upgrade %s' % str(e)) 

            self.modified = False 

            self.badsyntax = True 

        except Exception, e: 

            # Bad things happened, return gracefully 

            self.modified = False 

            self.upgradefailed = True 

            root_logger.error('Upgrade failed with %s' % str(e)) 

            root_logger.debug('%s', traceback.format_exc()) 

def main(): 

    if os.getegid() != 0: 

        print "Must be root to set up server" 

        return 1 

    update = IPAUpgrade('EXAMPLE.COM') 

    update.create_instance() 

    return 0 

try: 

    if __name__ == "__main__": 

        sys.exit(main()) 

except SystemExit, e: 

    sys.exit(e) 

except KeyboardInterrupt, e: 

    sys.exit(1)