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# nscautils.py --utility methods to interact with Nagios NSCA
# Copyright (C) 2014 Red Hat Inc
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#

import ConfigParser

from glusternagios import utils

__NAGIOSSERVER_CONF = "@nagiosconf@/nagios_server.conf"
__NSCA_CONF_PATH = "@nagiosconf@/send_nsca.cfg"
__NSCA_CMD_PATH = utils.CommandPath("nsca", "/usr/sbin/send_nsca")


def getNagiosServerIP():
    config = ConfigParser.ConfigParser()
    config.read(__NAGIOSSERVER_CONF)
    return config.get('NAGIOS-SERVER', 'nagios_server')


def getNagiosClusterName():
    config = ConfigParser.ConfigParser()
    config.read(__NAGIOSSERVER_CONF)
    return config.get('NAGIOS-DEFINTIONS', 'cluster_name')


def send_to_nsca(hostName, serviceName, exitStatus, resultString):
    cmddata = '%s\t%s\t%s\t%s' % (hostName,
                                  serviceName,
                                  exitStatus,
                                  resultString)
    nagiosIP = getNagiosServerIP()
    command_send_nsca = [__NSCA_CMD_PATH, '-H', nagiosIP,
                         '-c', __NSCA_CONF_PATH]
    ret, out, err = utils.execCmd(command_send_nsca, data=cmddata)
    return ret


def vol_service_name(volName, statusType=None):
    return "Volume Status %s - %s" % (statusType, volName)