checks/netapp_api_cpu

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27 # 7mode
  28 # <<<netapp_api_cpu:sep(9)>>>
  29 # cpu_busy        8362860064
  30 # num_processors  2
  31
  32 # clustermode
  33 # cpu-info clu1-01        num_processors 2
  34 # cpu-info clu1-02        num_processors 2
  35 # cpu-info clu1-01        cpu_busy 5340000        nvram-battery-status battery_ok
  36 # cpu-info clu1-02        cpu_busy 5400000        nvram-battery-status battery_ok
  37
  38 netapp_api_cpu_default_levels = (90.0, 95.0)
  39
  40 factory_settings["netapp_api_cpu_cm_default_levels"] = {"levels": (90.0, 95.0)}
  41
  42
  43 def parse_netapp_api_cpu(info):
  44     cpu_info = {}
  45     for line in info:
  46         if line[0].startswith("cpu-info"):  # clustermode
  47             _, node_name = line[0].split()
  48             cpu_info.setdefault("clustermode", {})
  49             for entry in line[1:]:
  50                 key, value = entry.split()
  51                 cpu_info["clustermode"].setdefault(node_name, {})
  52                 cpu_info["clustermode"][node_name][key] = value
  53         else:
  54             cpu_info.setdefault("7mode", {})
  55             cpu_info["7mode"][line[0]] = line[1]
  56     return cpu_info
  57
  58
  59 def inventory_netapp_api_cpu_utilization(parsed):
  60     if "7mode" in parsed:
  61         yield (None, "netapp_api_cpu_default_levels")
  62
  63
  64 def inventory_netapp_api_cpu(parsed):
  65     if "clustermode" in parsed:
  66         for node in parsed.get("clustermode", {}).keys():
  67             yield node, {}
  68
  69
  70 def check_netapp_api_cpu_utilization(item, params, parsed, mode):
  71     mode_data = parsed.get(mode)
  72     if item:
  73         data = mode_data.get(item)
  74         if data is None:
  75             return 3, "No data available!"
  76     else:
  77         data = mode_data
  78
  79     now = time.time()
  80
  81     cpu_busy = int(data["cpu_busy"])
  82     num_cpus_str = data.get("num_processors")
  83     ticks_per_sec = get_rate("netapp_api_cpu.utilization", now, cpu_busy, onwrap=RAISE)
  84     cpusecs_per_sec = ticks_per_sec / 1000000.0
  85     used_perc = 100.0 * cpusecs_per_sec
  86
  87     # Due to timeing invariancies the measured level can become > 100%.
  88     # This makes users unhappy, so cut it off.
  89     if used_perc < 0:
  90         used_perc = 0
  91     elif used_perc > 100:
  92         used_perc = 100
  93
  94     state, infotext, perfdata = check_cpu_util(used_perc, params, now).next()
  95     if num_cpus_str is not None:
  96         num_cpus = int(num_cpus_str)
  97         perfdata[0] = perfdata[0][:5] + (num_cpus,)
  98         infotext += ", %d CPUs" % num_cpus
  99     return state, infotext, perfdata
 100
 101
 102 # Clustermode CPU utilization
 103 check_info["netapp_api_cpu"] = {
 104     "parse_function": parse_netapp_api_cpu,
 105     "inventory_function": inventory_netapp_api_cpu,
 106     "check_function": lambda item, params, parsed: check_netapp_api_cpu_utilization(
 107         item, params, parsed, "clustermode"),
 108     "service_description": "CPU utilization Node %s",
 109     "has_perfdata": True,
 110     "group": "cpu_utilization_multiitem",
 111     "includes": ["cpu_util.include", "netapp_api.include"]
 112 }
 113
 114 # 7Mode CPU utilization
 115 check_info["netapp_api_cpu.utilization"] = {
 116     "inventory_function": inventory_netapp_api_cpu_utilization,
 117     "check_function": lambda item, params, parsed: check_netapp_api_cpu_utilization(
 118         item, params, parsed, "7mode"),
 119     "service_description": "CPU utilization",
 120     "default_levels_variable": "netapp_api_cpu_cm_default_levels",
 121     "has_perfdata": True,
 122     "group": "cpu_utilization",
 123     "includes": ["cpu_util.include"]
 124 }
 125
 126
 127 def inventory_netapp_api_nvram_bat(parsed):
 128     for node, values in parsed.get("clustermode", {}).items():
 129         if "nvram-battery-status" in values:
 130             yield node, None
 131
 132
 133 def check_netapp_api_nvram_bat(item, _no_params, parsed):
 134     state_map = {
 135         "battery_ok": 0,
 136         "battery_partially_discharged": 0,
 137         "battery_fully_discharged ": 2,
 138         "battery_not_present": 2,
 139         "battery_near_end_of_life": 1,
 140         "battery_at_end_of_life": 2,
 141         "battery_unknown": 3,
 142         "battery_over_charged": 1,
 143         "battery_fully_charged": 0
 144     }
 145
 146     info = parsed.get("clustermode", {}).get(item)
 147     if not info or "nvram-battery-status" not in info:
 148         return
 149
 150     yield state_map.get(info["nvram-battery-status"], 3), "Status: %s" %\
 151                         info["nvram-battery-status"].replace("_", " ").title()
 152
 153
 154 # Clustermode NVRAM Bat
 155 check_info["netapp_api_cpu.nvram_bat"] = {
 156     "inventory_function": inventory_netapp_api_nvram_bat,
 157     "check_function": check_netapp_api_nvram_bat,
 158     "service_description": "NVRAM Battery %s",
 159     "has_perfdata": True,
 160     "includes": ["cpu_util.include", "netapp_api.include"]
 161 }