#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2019 tribe29 GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.df import *  # pylint: disable=wildcard-import,unused-wildcard-import

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.diskstat import *  # pylint: disable=wildcard-import,unused-wildcard-import

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.scaleio import *  # pylint: disable=wildcard-import,unused-wildcard-import

# NOTE: Careful when replacing the *-import below with a more specific import. This can cause
# problems because it might remove variables from the check-context which are necessary for
# resolving legacy discovery results such as [("SUMMARY", "diskstat_default_levels")]. Furthermore,
# it might also remove variables needed for accessing discovery rulesets.
from cmk.base.check_legacy_includes.size_trend import *  # pylint: disable=wildcard-import,unused-wildcard-import

# <<<scaleio_storage_pool>>>
# STORAGE_POOL 59c7748300000000:
#        ID                                                 59c7748300000000
#        NAME                                               pool01
#        MAX_CAPACITY_IN_KB                                 65.5 TB (67059 GB)
#        UNUSED_CAPACITY_IN_KB                              17.2 TB (17635 GB)
#        FAILED_CAPACITY_IN_KB                              0 Bytes
#        TOTAL_READ_BWC                                     0 IOPS 0 Bytes per-second
#        TOTAL_WRITE_BWC                                    0 IOPS 0 Bytes per-second
#        REBALANCE_READ_BWC                                 0 IOPS 0 Bytes per-second
#        REBALANCE_WRITE_BWC                                0 IOPS 0 Bytes per-second
#


def inventory_scaleio_storage_pool(parsed):
    for entry in parsed:
        yield entry, {}


def check_scaleio_storage_pool(item, params, parsed):
    data = get_scaleio_data(item, parsed)
    if not data:
        return

    # How will the data be represented? It's magic and the only
    # indication is the unit. We need to handle this!
    unit = data["MAX_CAPACITY_IN_KB"][3].strip(")")
    total = convert_scaleio_space(unit, int(data["MAX_CAPACITY_IN_KB"][2].strip("(")))
    free = convert_scaleio_space(unit, int(data["UNUSED_CAPACITY_IN_KB"][2].strip("(")))

    yield df_check_filesystem_list(item, params, [(item, total, free, 0)])

    failed_value = int(data["FAILED_CAPACITY_IN_KB"][0])
    if failed_value > 0:
        failed_unit = data["FAILED_CAPACITY_IN_KB"][1]
        yield 2, "Failed Capacity: %d %s" % (failed_value, failed_unit)


check_info["scaleio_storage_pool"] = {
    "parse_function": lambda info: parse_scaleio(info, "STORAGE_POOL"),
    "inventory_function": inventory_scaleio_storage_pool,
    "check_function": check_scaleio_storage_pool,
    "service_description": "ScaleIO SP capacity %s",
    "has_perfdata": True,
    "group": "filesystem",
}


def inventory_scaleio_storage_pool_totalrw(parsed):
    for entry in parsed:
        yield entry, {}


def check_scaleio_storage_pool_totalrw(item, params, parsed):
    data = get_scaleio_data(item, parsed)
    if not data:
        return

    yield 0, "Name: %s" % data["NAME"][0]

    read_data = data["TOTAL_READ_BWC"]
    write_data = data["TOTAL_WRITE_BWC"]
    for io_type in list(check_diskstat_dict(item, params, get_disks(item, read_data, write_data))):
        yield io_type


check_info["scaleio_storage_pool.totalrw"] = {
    "inventory_function": inventory_scaleio_storage_pool_totalrw,
    "check_function": check_scaleio_storage_pool_totalrw,
    "service_description": "ScaleIO SP total IO %s",
    "has_perfdata": True,
    "group": "diskstat",
}


def inventory_scaleio_storage_pool_rebalancerw(parsed):
    for entry in parsed:
        yield entry, {}


def check_scaleio_storage_pool_rebalancerw(item, params, parsed):
    data = get_scaleio_data(item, parsed)
    if not data:
        return

    yield 0, "Name: %s" % data["NAME"][0]

    read_data = data["REBALANCE_READ_BWC"]
    write_data = data["REBALANCE_WRITE_BWC"]
    for io_type in list(check_diskstat_dict(item, params, get_disks(item, read_data, write_data))):
        yield io_type


check_info["scaleio_storage_pool.rebalancerw"] = {
    "inventory_function": inventory_scaleio_storage_pool_rebalancerw,
    "check_function": check_scaleio_storage_pool_rebalancerw,
    "service_description": "ScaleIO SP rebalance IO %s",
    "has_perfdata": True,
    "group": "diskstat",
}
