#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
# +------------------------------------------------------------------+
#
# This file is part of Check_MK.
# The official homepage is at http://mathias-kettner.de/check_mk.
#
# check_mk 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 in version 2.  check_mk is  distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
# out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
# PARTICULAR PURPOSE. See the  GNU General Public License for more de-
# tails. You should have  received  a copy of the  GNU  General Public
# License along with GNU Make; see the file  COPYING.  If  not,  write
# to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
# Boston, MA 02110-1301 USA.

# <<<netapp_api_luns:sep(9)>>>
# lun /vol/iscsi_crm_dblogs/crm_dblogs_lu01   read-only false size 644286182400   vserver ISCSI_CRM   size-used 538924421120  online true volume iscsi_crm_dblogs

factory_settings["netapp_api_luns_default_levels"] = {
    "levels": (80.0, 90.0),  # warn/crit in percent
    "trend_range": 24,
    "trend_perfdata": True,  # do send performance data for trends
    "read_only": False,
}


def inventory_netapp_api_luns(parsed):
    for lun in parsed.keys():
        yield lun, {}


@get_parsed_item_data
def check_netapp_api_luns(item, params, lun):
    if lun.get("online") != "true":
        yield 2, "LUN is offline"

    read_only = lun.get("read-only") == "true"
    if read_only != params.get("read_only"):
        expected = str(params.get("read_only")).lower()
        yield 1, "read-only is %s (expected: %s)" % (lun.get("read-only"), expected)

    mega = 1024.0 * 1024.0
    size_total = int(lun.get("size")) / mega
    size_avail = size_total - (int(lun.get("size-used")) / mega)

    if params.get("ignore_levels"):
        yield 0, "Total size: %s, Used space is ignored" % get_bytes_human_readable(size_total)
    else:
        yield df_check_filesystem_single(item, size_total, size_avail, 0, None, None, params)


def netapp_api_luns_item(name):
    return name.rsplit("/", 1)[-1]


check_info["netapp_api_luns"] = {
    'check_function': check_netapp_api_luns,
    'inventory_function': inventory_netapp_api_luns,
    'parse_function': lambda x: netapp_api_parse_lines(x, item_func=netapp_api_luns_item),
    'service_description': 'LUN %s',
    'has_perfdata': True,
    'group': "netapp_luns",
    'includes': ["size_trend.include", "df.include", "netapp_api.include"],
    "default_levels_variable": "netapp_api_luns_default_levels",
}
