aboutsummaryrefslogtreecommitdiffstats
path: root/check-health
blob: 903c496c0668d107c81dfa558e56e8c7c19b38c8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
#!rsc by RouterOS
# RouterOS script: check-health
# Copyright (c) 2019-2022 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# check for RouterOS health state
# https://git.eworm.de/cgit/routeros-scripts/about/doc/check-health.md

:local 0 "check-health";
:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }

:global CheckHealthLast;
:global CheckHealthTemperature;
:global CheckHealthTemperatureDeviation;
:global CheckHealthTemperatureNotified;
:global CheckHealthVoltageLow;
:global CheckHealthVoltagePercent;
:global Identity;

:global IfThenElse;
:global LogPrintExit2;
:global ScriptLock;
:global SendNotification2;
:global SymbolForNotification;

:local TempToNum do={
  :global CharacterReplace;
  :local T [ :toarray [ $CharacterReplace $1 "." "," ] ];
  :return ($T->0 * 10 + $T->1);
}

:if ([ :len [ /system/health/find ] ] = 0) do={
  $LogPrintExit2 error $0 ("Your device does not provide any health values.") true;
}

:if ([ :typeof $CheckHealthLast ] != "array") do={
  :set CheckHealthLast [ :toarray "" ];
}
:if ([ :typeof $CheckHealthTemperatureNotified ] != "array") do={
  :set CheckHealthTemperatureNotified [ :toarray "" ];
}

$ScriptLock $0;

:foreach Voltage in=[ /system/health/find where type="V" ] do={
  :local Name  [ /system/health/get $Voltage name  ];
  :local Value [ /system/health/get $Voltage value ];

  :if ([ :typeof ($CheckHealthLast->$Name) ] != "nothing") do={
    :local NumCurr [ $TempToNum $Value ];
    :local NumLast [ $TempToNum ($CheckHealthLast->$Name) ];

    :if ($NumLast * (100 + $CheckHealthVoltagePercent) < $NumCurr * 100 || \
         $NumLast * 100 > $NumCurr * (100 + $CheckHealthVoltagePercent)) do={
      $SendNotification2 ({ origin=$0; \
        subject=([ $SymbolForNotification ("high-voltage-sign,chart-" . [ $IfThenElse ($NumLast < \
          $NumCurr) "in" "de" ] . "creasing") ] . "Health warning: " . $Name); \
        message=("The " . $Name . " on " . $Identity . " jumped more than " . $CheckHealthVoltagePercent . "%.\n\n" . \
          "old value: " . ($CheckHealthLast->$Name) . " V\n" . \
          "new value: " . $Value . " V") });
    } else={ 
      :if ($NumCurr <= $CheckHealthVoltageLow && $NumLast > $CheckHealthVoltageLow) do={ 
        $SendNotification2 ({ origin=$0; \ 
          subject=([ $SymbolForNotification "high-voltage-sign,chart-decreasing" ] . "Health warning: Low " . $Name); \ 
          message=("The " . $Name . " on " . $Identity . " dropped to " . $Value . " V below hard limit.") }); 
      } 
      :if ($NumCurr > $CheckHealthVoltageLow && $NumLast <= $CheckHealthVoltageLow) do={ 
        $SendNotification2 ({ origin=$0; \ 
          subject=([ $SymbolForNotification "high-voltage-sign,chart-increasing" ] . "Health recovery: Low " . $Name); \ 
          message=("The " . $Name . " on " . $Identity . " recovered to " . $Value . " V above hard limit.") }); 
      }
    }
  }
  :set ($CheckHealthLast->$Name) $Value;
}

:foreach PSU in=[ /system/health/find where name~"^psu.*-state\$" ] do={
  :local Name  [ /system/health/get $PSU name  ];
  :local Value [ /system/health/get $PSU value ];

  :if ([ :typeof ($CheckHealthLast->$Name) ] != "nothing") do={
    :if ($CheckHealthLast->$Name = "ok" && \
         $Value != "ok") do={
      $SendNotification2 ({ origin=$0; \
        subject=([ $SymbolForNotification "cross-mark" ] . "Health warning: " . $Name); \
        message=("The power supply unit '" . $Name . "' on " . $Identity . " failed!") });
    }
    :if ($CheckHealthLast->$Name != "ok" && \
         $Value = "ok") do={
      $SendNotification2 ({ origin=$0; \
        subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Health recovery: " . $Name); \
        message=("The power supply unit '" . $Name . "' on " . $Identity . " recovered!") });
    }
  }
  :set ($CheckHealthLast->$Name) $Value;
}

:foreach Temperature in=[ /system/health/find where type="C" ] do={
  :local Name  [ /system/health/get $Temperature name  ];
  :local Value [ /system/health/get $Temperature value ];

  :if ([ :typeof ($CheckHealthLast->$Name) ] != "nothing") do={
    :if ([ :typeof ($CheckHealthTemperature->$Name) ] != "num" ) do={
      $LogPrintExit2 info $0 ("No threshold given for " . $Name . ", assuming 50C.") false;
      :set ($CheckHealthTemperature->$Name) 50;
    }
    :local Validate [ /system/health/get [ find where name=$Name ] value ];
    :while ($Value != $Validate) do={
      :set Value $Validate;
      :set Validate [ /system/health/get [ find where name=$Name ] value ];
    }
    :if ($Value > $CheckHealthTemperature->$Name && \
         $CheckHealthTemperatureNotified->$Name != true) do={
      $SendNotification2 ({ origin=$0; \
        subject=([ $SymbolForNotification "fire" ] . "Health warning: " . $Name); \
        message=("The " . $Name . " on " . $Identity . " is above threshold: " . \
          $Value . "\C2\B0" . "C") });
      :set ($CheckHealthTemperatureNotified->$Name) true;
    }
    :if ($Value <= ($CheckHealthTemperature->$Name - $CheckHealthTemperatureDeviation) && \
         $CheckHealthTemperatureNotified->$Name = true) do={
      $SendNotification2 ({ origin=$0; \
        subject=([ $SymbolForNotification "white-heavy-check-mark" ] . "Health recovery: " . $Name); \
        message=("The " . $Name . " on " . $Identity . " dropped below threshold: " .  \
          $Value . "\C2\B0" . "C") });
      :set ($CheckHealthTemperatureNotified->$Name) false;
    }
  }
  :set ($CheckHealthLast->$Name) $Value;
}