Example #1
0
    def get_queryset(self, *args, **kwargs):
        for cbo in ConfigBackup.objects.all():
            fp = os.path.join(ConfigBackup.cb_dir(), cbo.filename)

            if not os.path.isfile(fp):
                cbo.delete()

            try:
                with gzip.open(fp, "rb") as f:
                    f.read()
            except IOError as e:
                logger.exception(e)
                logger.info(
                    "The file {} is not gzipped, so compress it now.".format(
                        cbo.filename
                    )
                )

                try:
                    o, err, rc = run_command(["/usr/bin/gzip", fp], log=True)
                except Exception as e:
                    # gzip returns rc == 2 if the destination file already exists
                    # so let's return an explicit error message to the user for this case
                    if e.rc == 2:
                        e_msg = (
                            "A destination file for the config backup file with the same "
                            "name ({}) already exists. Please remove it and try again.".format(
                                fp
                            )
                        )
                        # Delete file from system
                        run_command(["/bin/rm", "-f", fp], log=True)
                    else:
                        e_msg = (
                            "The backup config file ({}) couldn't be gzipped.\n"
                            "Reload the page to refresh the list of backups".format(fp)
                        )
                    cbo.delete()
                    handle_exception(Exception(e_msg), self.request)

                gz_name = "{}.gz".format(cbo.filename)
                cbo.filename = gz_name
                fp = os.path.join(ConfigBackup.cb_dir(), cbo.filename)
                cbo.md5sum = md5sum(fp)
                cbo.size = os.stat(fp).st_size
                cbo.save()

            fp_md5sum = md5sum(fp)
            if fp_md5sum != cbo.md5sum:
                logger.error(
                    "md5sum mismatch for {}. cbo: {} file: {}. "
                    "Deleting dbo.".format(cbo.filename, cbo.md5sum, fp_md5sum)
                )
                cbo.delete()
        return ConfigBackup.objects.filter().order_by("-id")
Example #2
0
def enable_rockstor_service(logging):
    rs_dest = '/etc/systemd/system/rockstor.service'
    rs_src = '%s/conf/rockstor.service' % BASE_DIR
    sum1 = md5sum(rs_dest)
    sum2 = md5sum(rs_src)
    if (sum1 != sum2):
        logging.info('updating rockstor systemd service')
        shutil.copy(rs_src, rs_dest)
        run_command([SYSCTL, 'enable', 'rockstor'])
        logging.info('Done.')
    logging.info('rockstor service looks correct. Not updating.')
Example #3
0
def enable_rockstor_service(logging):
    rs_dest = "/etc/systemd/system/rockstor.service"
    rs_src = "{}/conf/rockstor.service".format(BASE_DIR)
    sum1 = md5sum(rs_dest)
    sum2 = md5sum(rs_src)
    if sum1 != sum2:
        logging.info("updating rockstor systemd service")
        shutil.copy(rs_src, rs_dest)
        run_command([SYSCTL, "enable", "rockstor"])
        logging.info("Done.")
    logging.info("rockstor service looks correct. Not updating.")
Example #4
0
def enable_rockstor_service(logging):
    rs_dest = "/etc/systemd/system/rockstor.service"
    rs_src = "%s/conf/rockstor.service" % BASE_DIR
    sum1 = md5sum(rs_dest)
    sum2 = md5sum(rs_src)
    if sum1 != sum2:
        logging.info("updating rockstor systemd service")
        shutil.copy(rs_src, rs_dest)
        run_command([SYSCTL, "enable", "rockstor"])
        logging.info("Done.")
    logging.info("rockstor service looks correct. Not updating.")
Example #5
0
def enable_rockstor_service(logging):
    rs_dest = '/etc/systemd/system/rockstor.service'
    rs_src = '%s/conf/rockstor.service' % BASE_DIR
    sum1 = md5sum(rs_dest)
    sum2 = md5sum(rs_src)
    if (sum1 != sum2):
        logging.info('updating rockstor systemd service')
        shutil.copy(rs_src, rs_dest)
        run_command([SYSCTL, 'enable', 'rockstor'])
        logging.info('Done.')
    logging.info('rockstor service looks correct. Not updating.')
Example #6
0
def enable_bootstrap_service(logging):
    name = 'rockstor-bootstrap.service'
    bs_dest = '/etc/systemd/system/%s' % name
    bs_src = ('%s/conf/%s' % (BASE_DIR, name))
    sum1 = "na"
    if (os.path.isfile(bs_dest)):
        sum1 = md5sum(bs_dest)
    sum2 = md5sum(bs_src)
    if (sum1 != sum2):
        logging.info('updating rockstor-bootstrap systemd service')
        shutil.copy(bs_src, bs_dest)
        run_command([SYSCTL, 'enable', name])
        return logging.info('Done.')
    return logging.info('%s looks correct. Not updating.' % name)
Example #7
0
def update_smb_service(logging):
    name = 'smb.service'
    ss_dest = '/etc/systemd/system/%s' % name
    if (not os.path.isfile(ss_dest)):
        return logging.info('%s is not enabled. Not updating.')
    ss_src = '%s/conf/%s' % (BASE_DIR, name)
    sum1 = md5sum(ss_dest)
    sum2 = md5sum(ss_src)
    if (sum1 != sum2):
        logging.info('Updating %s' % name)
        shutil.copy(ss_src, ss_dest)
        run_command([SYSCTL, 'daemon-reload'])
        return logging.info('Done.')
    return logging.info('%s looks correct. Not updating.' % name)
Example #8
0
def update_smb_service(logging):
    name = "smb.service"
    ss_dest = "/etc/systemd/system/{}".format(name)
    if not os.path.isfile(ss_dest):
        return logging.info("{} is not enabled. Not updating.".format(name))
    ss_src = "{}/conf/{}".format(BASE_DIR, name)
    sum1 = md5sum(ss_dest)
    sum2 = md5sum(ss_src)
    if sum1 != sum2:
        logging.info("Updating {}".format(name))
        shutil.copy(ss_src, ss_dest)
        run_command([SYSCTL, "daemon-reload"])
        return logging.info("Done.")
    return logging.info("{} looks correct. Not updating.".format(name))
Example #9
0
def update_smb_service(logging):
    name = 'smb.service'
    ss_dest = '/etc/systemd/system/%s' % name
    if (not os.path.isfile(ss_dest)):
        return logging.info('%s is not enabled. Not updating.')
    ss_src = '%s/conf/%s' % (BASE_DIR, name)
    sum1 = md5sum(ss_dest)
    sum2 = md5sum(ss_src)
    if (sum1 != sum2):
        logging.info('Updating %s' % name)
        shutil.copy(ss_src, ss_dest)
        run_command([SYSCTL, 'daemon-reload'])
        return logging.info('Done.')
    return logging.info('%s looks correct. Not updating.' % name)
Example #10
0
def update_smb_service(logging):
    name = "smb.service"
    ss_dest = "/etc/systemd/system/%s" % name
    if not os.path.isfile(ss_dest):
        return logging.info("%s is not enabled. Not updating.")
    ss_src = "%s/conf/%s" % (BASE_DIR, name)
    sum1 = md5sum(ss_dest)
    sum2 = md5sum(ss_src)
    if sum1 != sum2:
        logging.info("Updating %s" % name)
        shutil.copy(ss_src, ss_dest)
        run_command([SYSCTL, "daemon-reload"])
        return logging.info("Done.")
    return logging.info("%s looks correct. Not updating." % name)
Example #11
0
def enable_bootstrap_service(logging):
    name = "rockstor-bootstrap.service"
    bs_dest = "/etc/systemd/system/%s" % name
    bs_src = "%s/conf/%s" % (BASE_DIR, name)
    sum1 = "na"
    if os.path.isfile(bs_dest):
        sum1 = md5sum(bs_dest)
    sum2 = md5sum(bs_src)
    if sum1 != sum2:
        logging.info("updating rockstor-bootstrap systemd service")
        shutil.copy(bs_src, bs_dest)
        run_command([SYSCTL, "enable", name])
        return logging.info("Done.")
    return logging.info("%s looks correct. Not updating." % name)
Example #12
0
def enable_bootstrap_service(logging):
    name = 'rockstor-bootstrap.service'
    bs_dest = '/etc/systemd/system/%s' % name
    bs_src = ('%s/conf/%s' % (BASE_DIR, name))
    sum1 = "na"
    if (os.path.isfile(bs_dest)):
        sum1 = md5sum(bs_dest)
    sum2 = md5sum(bs_src)
    if (sum1 != sum2):
        logging.info('updating rockstor-bootstrap systemd service')
        shutil.copy(bs_src, bs_dest)
        run_command([SYSCTL, 'enable', name])
        return logging.info('Done.')
    return logging.info('%s looks correct. Not updating.' % name)
Example #13
0
def enable_bootstrap_service(logging):
    name = "rockstor-bootstrap.service"
    bs_dest = "/etc/systemd/system/{}".format(name)
    bs_src = "{}/conf/{}".format(BASE_DIR, name)
    sum1 = "na"
    if os.path.isfile(bs_dest):
        sum1 = md5sum(bs_dest)
    sum2 = md5sum(bs_src)
    if sum1 != sum2:
        logging.info("updating rockstor-bootstrap systemd service")
        shutil.copy(bs_src, bs_dest)
        run_command([SYSCTL, "enable", name])
        run_command([SYSCTL, "daemon-reload"])
        return logging.info("Done.")
    return logging.info("{} looks correct. Not updating.".format(name))
Example #14
0
def backup_config():
    models = {'storageadmin':
              ['user', 'group', 'sambashare', 'sambacustomconfig',
               'netatalkshare', 'nfsexport',
               'nfsexportgroup', 'advancednfsexport', ],
              'smart_manager':
              ['service', ], }
    model_list = []
    for a in models:
        for m in models[a]:
            model_list.append('%s.%s' % (a, m))
    logger.debug('model list = %s' % model_list)

    filename = ('backup-%s.json' % datetime.now().strftime('%Y-%m-%d-%H%M%S'))
    cb_dir = ConfigBackup.cb_dir()

    if (not os.path.isdir(cb_dir)):
        os.mkdir(cb_dir)
    fp = os.path.join(cb_dir, filename)
    with open(fp, 'w') as dfo:
        call_command('dumpdata', *model_list, stdout=dfo)
        dfo.write('\n')
        call_command('dumpdata', database='smart_manager', *model_list,
                     stdout=dfo)
    run_command(['/usr/bin/gzip', fp])
    gz_name = ('%s.gz' % filename)
    fp = os.path.join(cb_dir, gz_name)
    size = os.stat(fp).st_size
    cbo = ConfigBackup(filename=gz_name, md5sum=md5sum(fp), size=size)
    cbo.save()
    return cbo
Example #15
0
def cleanup_rclocal(logging):
    #this could potentially be problematic if users want to have a custom
    #rc.local file, which is not really needed or recommended due to better
    #systemd alternative method.

    #This cleanup method can be safely removed when we know there are no
    #<3.8-9 versions out there any more.

    rc_dest = '/etc/rc.d/rc.local'
    rc_src = '%s/conf/rc.local' % BASE_DIR
    sum1 = md5sum(rc_dest)
    sum2 = md5sum(rc_src)
    if (sum1 != sum2):
        logging.info('updating %s' % rc_dest)
        shutil.copy(rc_src, rc_dest)
        logging.info('Done.')
        return os.chmod(rc_dest, 0755)
    logging.info('%s looks correct. Not updating.' % rc_dest)
Example #16
0
def cleanup_rclocal(logging):
    #this could potentially be problematic if users want to have a custom
    #rc.local file, which is not really needed or recommended due to better
    #systemd alternative method.

    #This cleanup method can be safely removed when we know there are no
    #<3.8-9 versions out there any more.

    rc_dest = '/etc/rc.d/rc.local'
    rc_src = '%s/conf/rc.local' % BASE_DIR
    sum1 = md5sum(rc_dest)
    sum2 = md5sum(rc_src)
    if (sum1 != sum2):
        logging.info('updating %s' % rc_dest)
        shutil.copy(rc_src, rc_dest)
        logging.info('Done.')
        return os.chmod(rc_dest, 0755)
    logging.info('%s looks correct. Not updating.' % rc_dest)
Example #17
0
 def get_queryset(self, *args, **kwargs):
     for cbo in ConfigBackup.objects.all():
         fp = os.path.join(ConfigBackup.cb_dir(), cbo.filename)
         if not os.path.isfile(fp):
             cbo.delete()
         fp_md5sum = md5sum(fp)
         if fp_md5sum != cbo.md5sum:
             logger.error("md5sum mismatch for {}. cbo: {} file: {}. "
                          "Deleting dbo".format(cbo.filename, cbo.md5sum,
                                                fp_md5sum))
             cbo.delete()
     return ConfigBackup.objects.filter().order_by("-id")
Example #18
0
def backup_config():
    models = {
        "storageadmin": [
            "user",
            "group",
            "sambashare",
            "sambacustomconfig",
            "netatalkshare",
            "nfsexport",
            "nfsexportgroup",
            "advancednfsexport",
            'rockon',
            'dcontainer',
            'dcustomconfig',
            'dimage',
            'dcontainerenv',
            'dcontainerlabel',
            'dvolume',
            'dport',
            'containeroption',
            'dcontainerlink',
            'dcontainerargs',
            'dcontainerdevice',
            "share",
        ],
        "smart_manager": ["service", "servicestatus", "taskdefinition"],
    }
    model_list = []
    for a in models:
        for m in models[a]:
            model_list.append("{}.{}".format(a, m))

    filename = "backup-{}.json".format(
        datetime.now().strftime("%Y-%m-%d-%H%M%S"))
    cb_dir = ConfigBackup.cb_dir()

    if not os.path.isdir(cb_dir):
        os.mkdir(cb_dir)
    fp = os.path.join(cb_dir, filename)
    with open(fp, "w") as dfo:
        call_command("dumpdata", *model_list, stdout=dfo)
        dfo.write("\n")
        call_command("dumpdata",
                     database="smart_manager",
                     *model_list,
                     stdout=dfo)
    run_command(["/usr/bin/gzip", fp])
    gz_name = "{}.gz".format(filename)
    fp = os.path.join(cb_dir, gz_name)
    size = os.stat(fp).st_size
    cbo = ConfigBackup(filename=gz_name, md5sum=md5sum(fp), size=size)
    cbo.save()
    return cbo
Example #19
0
 def get_queryset(self, *args, **kwargs):
     for cbo in ConfigBackup.objects.all():
         fp = os.path.join(ConfigBackup.cb_dir(), cbo.filename)
         if (not os.path.isfile(fp)):
             cbo.delete()
         fp_md5sum = md5sum(fp)
         if (fp_md5sum != cbo.md5sum):
             logger.error('md5sum mismatch for {}. cbo: {} file: {}. '
                          'Deleting dbo'.format(cbo.filename, cbo.md5sum,
                                                fp_md5sum))
             cbo.delete()
     return ConfigBackup.objects.filter().order_by('-id')
 def get_queryset(self, *args, **kwargs):
     for cbo in ConfigBackup.objects.all():
         fp = os.path.join(ConfigBackup.cb_dir(), cbo.filename)
         if (not os.path.isfile(fp)):
             cbo.delete()
         fp_md5sum = md5sum(fp)
         if (fp_md5sum != cbo.md5sum):
             logger.error('md5sum mismatch for %s. cbo: %s file: %s. '
                          'Deleting dbo' %
                          (cbo.filename, cbo.md5sum, fp_md5sum))
             cbo.delete()
     return ConfigBackup.objects.filter().order_by('-id')
Example #21
0
    def _write_smb_service(self, systemd_name, distro_id):
        """
        Customize smb.service file in a distro-dependent manner.
        In rockstor-based systems, source from settings.CONFROOT.
        In opensuse-based systems, source from package default.
        Check for differences before final copy.
        :param systemd_name:
        :param distro_id:
        :return:
        """
        ss_dest = "/etc/systemd/system/{}".format(systemd_name)

        # BEGIN CentOS section
        if distro_id == "rockstor":
            ss_src = "{}/{}".format(settings.CONFROOT, systemd_name)
            sum1 = md5sum(ss_dest)
            sum2 = md5sum(ss_src)
            if sum1 != sum2:
                shutil.copy(ss_src, ss_dest)
        # END CentOS section

        else:
            ss_src = "/usr/lib/systemd/system/smb.service"
            # Customize package's default
            fo, npath = mkstemp()
            with open(ss_src) as ino, open(npath, "w") as tfo:
                for l in ino.readlines():
                    if re.match("After=", l) is not None:
                        tfo.write("{} {}\n".format(
                            l.strip(), "rockstor-bootstrap.service"))
                    else:
                        tfo.write(l)

            # Check for diff and then move file from temp to final location
            sum1 = md5sum(ss_dest)
            sum2 = md5sum(npath)
            if sum1 != sum2:
                shutil.move(npath, ss_dest)
    def post(self, request, format=None):
        with self._handle_exception(request):
            filename = request.data['file-name']
            file_obj = request.data['file']
            if (ConfigBackup.objects.filter(filename=filename).exists()):
                msg = ('Config backup(%s) already exists. Uploading a '
                       'duplicate is not allowed.' % filename)
                handle_exception(Exception(msg), request)
            cbo = ConfigBackup.objects.create(filename=filename,
                                              config_backup=file_obj)
            cb_dir = ConfigBackup.cb_dir()
            if not os.path.isdir(cb_dir):
                os.mkdir(cb_dir)
            fp = os.path.join(cb_dir, filename)

            cbo.md5sum = md5sum(fp)
            cbo.size = os.stat(fp).st_size
            cbo.save()
            return Response(ConfigBackupSerializer(cbo).data)
Example #23
0
def backup_config():
    models = {
        'storageadmin': [
            'user',
            'group',
            'sambashare',
            'sambacustomconfig',
            'netatalkshare',
            'nfsexport',
            'nfsexportgroup',
            'advancednfsexport',
        ],
        'smart_manager': [
            'service',
        ],
    }
    model_list = []
    for a in models:
        for m in models[a]:
            model_list.append('%s.%s' % (a, m))
    logger.debug('model list = %s' % model_list)

    filename = ('backup-%s.json' % datetime.now().strftime('%Y-%m-%d-%H%M%S'))
    cb_dir = ConfigBackup.cb_dir()

    if (not os.path.isdir(cb_dir)):
        os.mkdir(cb_dir)
    fp = os.path.join(cb_dir, filename)
    with open(fp, 'w') as dfo:
        call_command('dumpdata', *model_list, stdout=dfo)
        dfo.write('\n')
        call_command('dumpdata',
                     database='smart_manager',
                     *model_list,
                     stdout=dfo)
    run_command(['/usr/bin/gzip', fp])
    gz_name = ('%s.gz' % filename)
    fp = os.path.join(cb_dir, gz_name)
    size = os.stat(fp).st_size
    cbo = ConfigBackup(filename=gz_name, md5sum=md5sum(fp), size=size)
    cbo.save()
    return cbo
Example #24
0
    def post(self, request, format=None):
        with self._handle_exception(request):
            filename = request.data['file-name']
            file_obj = request.data['file']
            if (ConfigBackup.objects.filter(filename=filename).exists()):
                msg = ('Config backup ({}) already exists. Uploading a '
                       'duplicate is not allowed.').format(filename)
                handle_exception(Exception(msg), request)
            cbo = ConfigBackup.objects.create(
                filename=filename, config_backup=file_obj
            )
            cb_dir = ConfigBackup.cb_dir()
            if not os.path.isdir(cb_dir):
                os.mkdir(cb_dir)
            fp = os.path.join(cb_dir, filename)

            cbo.md5sum = md5sum(fp)
            cbo.size = os.stat(fp).st_size
            cbo.save()
            return Response(ConfigBackupSerializer(cbo).data)
Example #25
0
                config = request.data.get('config', {'workgroup': 'MYGROUP',})
                workgroup = config['workgroup']
                self._save_config(service, config)
                update_global_config(workgroup)
                restart_samba(hard=True)
            except Exception, e:
                e_msg = ('Samba could not be configured. Try again. '
                         'Exception: %s' % e.__str__())
                handle_exception(Exception(e_msg), request)
        else:
            try:
                if (command == 'stop'):
                    systemctl('smb', 'disable')
                    systemctl('nmb', 'disable')
                else:
                    systemd_name = '%s.service' % service_name
                    ss_dest = ('/etc/systemd/system/%s' % systemd_name)
                    ss_src = ('%s/%s' % (settings.CONFROOT, systemd_name))
                    sum1 = md5sum(ss_dest)
                    sum2 = md5sum(ss_src)
                    if (sum1 != sum2):
                        shutil.copy(ss_src, ss_dest)
                    systemctl('smb', 'enable')
                    systemctl('nmb', 'enable')
                systemctl('smb', command)
                systemctl('nmb', command)
            except Exception, e:
                e_msg = ('Failed to %s samba due to a system error: %s' % (command, e.__str__()))
                handle_exception(Exception(e_msg), request)
        return Response()
Example #26
0
    def post(self, request, command):
        """
        execute a command on the service
        """
        service = Service.objects.get(name=self.service_name)

        if (command == 'config'):
            try:
                config = request.data.get('config', {})
                global_config = {}
                if 'global_config' in config:
                    gc_lines = config['global_config'].split('\n')
                    for l in gc_lines:
                        gc_param = l.strip().split(' = ')
                        if (len(gc_param) == 2):
                            if '=' in gc_param[0]:
                                raise Exception(
                                    'Syntax error, one param has wrong '
                                    'spaces around equal signs, '
                                    'please check syntax of '
                                    '\'%s\'' % ''.join(gc_param))
                            global_config[gc_param[0].strip().lower(
                            )] = gc_param[1].strip()  # noqa
                    # #E501 Default set current workgroup to one got via samba
                    # config page
                    global_config['workgroup'] = config['workgroup']
                else:
                    global_config = config
                # Check Active Directory config and status if AD configured and
                # ON set workgroup to AD retrieved workgroup else AD not
                # running and leave workgroup to one choosen by user
                adso = Service.objects.get(name='active-directory')
                adconfig = None
                adso_status = 1
                if (adso.config is not None):
                    adconfig = self._get_config(adso)
                    adso_out, adso_err, adso_status = service_status(
                        'active-directory', adconfig)
                    if adso_status == 0:
                        global_config['workgroup'] = adconfig['workgroup']
                    else:
                        adconfig = None

                self._save_config(service, global_config)
                update_global_config(global_config, adconfig)
                restart_samba(hard=True)
            except Exception as e:
                e_msg = ('Samba could not be configured. Try again. '
                         'Exception: %s' % e.__str__())
                handle_exception(Exception(e_msg), request)
        else:
            try:
                if (command == 'stop'):
                    systemctl('smb', 'disable')
                    systemctl('nmb', 'disable')
                else:
                    systemd_name = '%s.service' % self.service_name
                    ss_dest = ('/etc/systemd/system/%s' % systemd_name)
                    ss_src = ('%s/%s' % (settings.CONFROOT, systemd_name))
                    sum1 = md5sum(ss_dest)
                    sum2 = md5sum(ss_src)
                    if (sum1 != sum2):
                        shutil.copy(ss_src, ss_dest)
                    systemctl('smb', 'enable')
                    systemctl('nmb', 'enable')
                systemctl('nmb', command)
                systemctl('smb', command)
            except Exception as e:
                e_msg = ('Failed to %s samba due to a system error: %s' %
                         (command, e.__str__()))
                handle_exception(Exception(e_msg), request)
        return Response()
Example #27
0
    def post(self, request, command):
        """
        execute a command on the service
        """
        service = Service.objects.get(name=self.service_name)

        if (command == 'config'):
            try:
                config = request.data.get('config', {})
                global_config = {}
                if 'global_config' in config:
                    gc_lines = config['global_config'].split('\n')
                    for l in gc_lines:
                        gc_param = l.strip().split(' = ')
                        if (len(gc_param) == 2):
                            if '=' in gc_param[0]:
                                raise Exception(
                                    'Syntax error, one param has wrong '
                                    'spaces around equal signs, '
                                    'please check syntax of '
                                    '\'%s\'' % ''.join(gc_param))
                            global_config[gc_param[0].strip().lower()] = gc_param[1].strip()  # noqa
                    # #E501 Default set current workgroup to one got via samba
                    # config page
                    global_config['workgroup'] = config['workgroup']
                else:
                    global_config = config
                # Check Active Directory config and status if AD configured and
                # ON set workgroup to AD retrieved workgroup else AD not
                # running and leave workgroup to one choosen by user
                adso = Service.objects.get(name='active-directory')
                adconfig = None
                adso_status = 1
                if (adso.config is not None):
                    adconfig = self._get_config(adso)
                    adso_out, adso_err, adso_status = service_status(
                        'active-directory', adconfig)
                    if adso_status == 0:
                        global_config['workgroup'] = adconfig['workgroup']
                    else:
                        adconfig = None

                self._save_config(service, global_config)
                update_global_config(global_config, adconfig)
                restart_samba(hard=True)
            except Exception as e:
                e_msg = ('Samba could not be configured. Try again. '
                         'Exception: %s' % e.__str__())
                handle_exception(Exception(e_msg), request)
        else:
            try:
                if (command == 'stop'):
                    systemctl('smb', 'disable')
                    systemctl('nmb', 'disable')
                else:
                    systemd_name = '%s.service' % self.service_name
                    ss_dest = ('/etc/systemd/system/%s' % systemd_name)
                    ss_src = ('%s/%s' % (settings.CONFROOT, systemd_name))
                    sum1 = md5sum(ss_dest)
                    sum2 = md5sum(ss_src)
                    if (sum1 != sum2):
                        shutil.copy(ss_src, ss_dest)
                    systemctl('smb', 'enable')
                    systemctl('nmb', 'enable')
                systemctl('nmb', command)
                systemctl('smb', command)
            except Exception as e:
                e_msg = ('Failed to %s samba due to a system error: %s'
                         % (command, e.__str__()))
                handle_exception(Exception(e_msg), request)
        return Response()