#!/usr/bin/python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# +------------------------------------------------------------------+
# |             ____ _               _        __  __ _  __           |
# |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
# |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
# |           | |___| | | |  __/ (__|   <    | |  | | . \            |
# |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
# |                                                                  |
# | Copyright Mathias Kettner 2017             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.


def inventory_3par_volumes(parsed):
    for entry in parsed['members']:
        if not entry['policies']['system'] == True and \
                "name" in entry:
            yield ( entry['name'], {} )


def check_3par_volumes(item, params, parsed):
    states = {
        1: 0,
        2: 1,
        3: 2,
    }

    provisioning_map = {
        1 : "FULL",
        2 : "TPVV",
        3 : "SNP",
        4 : "PEER",
        5 : "UNKNOWN",
        6 : "TDVV",
    }

    for entry in parsed['members']:
        # Avoid crashing of complete check if a LUN does
        # not exist anymore or is not available at the moment
        if not "name" in entry:
            continue

        if entry['name'] == item:
            total = entry['sizeMiB']
            usr_free = total - entry['userSpace']['usedMiB']
            yield df_check_filesystem_list(item, params, [ (item, total, usr_free, 0) ])

            # This section seems not always to be present...
            if "capacityEfficiency" in entry:
                # Even these sections are not always existend. Only add them if available.
                if "deduplication" in entry['capacityEfficiency']:
                    yield 0, "Dedup: %s" % entry['capacityEfficiency']['deduplication']
                if "compaction" in entry['capacityEfficiency']:
                    yield 0, "Compact: %s" % entry['capacityEfficiency']['compaction']

            # Add some additional information and the performance data about Provisioning
            provisioning = entry['userSpace']['rawReservedMiB'] * 1024 * 1024
            yield states[entry['state']], "Type: %s, WWN: %s" % \
                    (provisioning_map[entry['provisioningType']], entry['wwn']), \
                    [ ( "fs_provisioning", provisioning) ]


check_info['3par_volumes'] = {
    'parse_function'        : parse_3par,
    'inventory_function'    : inventory_3par_volumes,
    'check_function'        : check_3par_volumes,
    'service_description'   : "Volume %s",
    'has_perfdata'          : True,
    'group'                 : "filesystem",
    'includes'              : [ "3par.include", "df.include" ]
}
