checks/scaleio_mdm

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2017             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 #<<<scaleio_mdm:sep(44)>>>
  28 #Cluster:
  29 #    Mode: 3_node, State: Normal, Active: 3/3, Replicas: 2/2
  30 #    Virtual IPs: N/A
  31 #Master MDM:
  32 #    Name: MDM02, ID: 0x028f4e581a749941
  33 #        IPs: 10.75.9.52, 10.75.10.52, Management IPs: 10.75.0.52, Port: 9011, Virtual IP interfaces: N/A
  34 #        Version: 2.0.13000
  35 #Slave MDMs:
  36 #    Name: MDM01, ID: 0x1402b04f3ad359c0
  37 #        IPs: 10.75.10.51, 10.75.9.51, Management IPs: 10.75.0.51, Port: 9011, Virtual IP interfaces: N/A
  38 #        Status: Normal, Version: 2.0.13000
  39 #Tie-Breakers:
  40 #    Name: TB01, ID: 0x69dd57a10fa1c7b2
  41 #        IPs: 10.75.10.53, 10.75.9.53, Port: 9011
  42 #        Status: Normal, Version: 2.0.13000
  43
  44
  45 def parse_scaleio_mdm(info):
  46     # parsing this section is horrible. But I will guide you...
  47     parsed, id_, node = {}, "", ""
  48     for line in info:
  49         # A subsection starts with one of the following:
  50         if line[0].lower() in [ "cluster:", "master mdm:", "slave mdms:", \
  51                                 "tie-breakers:", "standby mdms:"]:
  52             id_ = line[0].strip(":")
  53             parsed[id_] = {}
  54         # The first subsection is different and entries can be parsed
  55         # directly. Hooray!
  56         elif id_ == "Cluster" and id_ in parsed:
  57             nl = [entry.split(': ') for entry in line]
  58             for l in nl:
  59                 parsed[id_][l[0].strip()] = l[1].strip()
  60         # The other subsections can have several nodes. Each node
  61         # starts with his name and has already some more information.
  62         # Sometimes there is information about a role inside of the
  63         # cluster. This is handled by the entry "Role"!
  64         elif id_ in parsed and "name" in line[0].lower():
  65             node = line[0].split(": ")[1]
  66             node_id = line[1].split(": ")
  67
  68             parsed[id_][node] = {node_id[0].strip(): node_id[1].strip()}
  69             if len(line) == 3:
  70                 parsed[id_][node][u'Role'] = line[2].strip()
  71         # Finally we can add the rest of information to a node in a
  72         # subsection. When splitting the lines we sometimes get lines
  73         # belonging to the last entry. These information is then added
  74         # to the last known entry.
  75         elif id_ in parsed and node in parsed[id_] and id_ != "Cluster":
  76             nl = [entry.split(': ') for entry in line]
  77             for l in nl:
  78                 if len(l) > 1:
  79                     name = l[0].strip()
  80                     parsed[id_][node][name] = l[1].strip()
  81                 else:
  82                     if not isinstance(parsed[id_][node][name], list):
  83                         parsed[id_][node][name] = [parsed[id_][node][name]]
  84                     parsed[id_][node][name].append(l[0].replace(" ", ""))
  85
  86     return parsed
  87
  88
  89 def inventory_scaleio_mdm(parsed):
  90     if parsed.get('Cluster'):
  91         yield None, {}
  92
  93
  94 def check_scaleio_mdm(item, params, parsed):
  95     translate_status = {
  96         "Normal": 0,
  97         "Degraded": 1,
  98         "Error": 2,
  99         "Disconnected": 2,
 100         "Not synchronized": 1,
 101     }
 102
 103     data = get_scaleio_data("Cluster", parsed)
 104     if data:
 105         state = 0
 106         status = data["State"]
 107         active = data["Active"].split("/")
 108         replicas = data["Replicas"].split("/")
 109
 110         yield translate_status[status], "Mode: %s, State: %s" % (data["Mode"], status)
 111
 112         if not active[0] == active[1] or \
 113            not replicas[0] == replicas[1]:
 114             state = 2
 115
 116         yield state, "Active: %s, Replicas: %s" % ("/".join(active), "/".join(replicas))
 117
 118     for role in ["Master MDM", "Slave MDMs", "Tie-Breakers", "Standby MDMs"]:
 119         state, nodes = 0, []
 120         for node in parsed.get(role, {}):
 121             nodes.append(node)
 122             status = parsed[role][node].get("Status", "Normal")
 123             if status != "Normal":
 124                 state = max(state, translate_status[status])
 125
 126         if nodes:
 127             infotext = "%s: %s" % (role, ", ".join(nodes))
 128         else:
 129             if role != "Standby MDMs":
 130                 state, infotext = 2, "%s not found in agent output" % role
 131             else:
 132                 infotext = "%s: no" % role
 133
 134         yield state, infotext
 135
 136
 137 check_info['scaleio_mdm'] = {
 138     'parse_function': parse_scaleio_mdm,
 139     'inventory_function': inventory_scaleio_mdm,
 140     'check_function': check_scaleio_mdm,
 141     'service_description': 'ScaleIO cluster status',
 142     'includes': ['scaleio.include'],
 143 }