diff options
Diffstat (limited to 'check-health.rsc')
| -rw-r--r-- | check-health.rsc | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/check-health.rsc b/check-health.rsc new file mode 100644 index 0000000..e208bac --- /dev/null +++ b/check-health.rsc @@ -0,0 +1,167 @@ +#!rsc by RouterOS +# RouterOS script: check-health +# Copyright (c) 2019-2023 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 CheckHealthCPUUtilization; +:global CheckHealthCPUUtilizationNotified; +:global CheckHealthFreeRAMNotified; +: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 + $T->1); +} + +$ScriptLock $0; + +:local Resource [ /system/resource/get ]; + +:set CheckHealthCPUUtilization (($CheckHealthCPUUtilization * 4 + ($Resource->"cpu-load") * 10) / 5); +:if ($CheckHealthCPUUtilization > 750 && $CheckHealthCPUUtilizationNotified != true) do={ + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "abacus,chart-increasing" ] . "Health warning: CPU utilization"); \ + message=("The average CPU utilization on " . $Identity . " is at " . ($CheckHealthCPUUtilization / 10) . "%!") }); + :set CheckHealthCPUUtilizationNotified true; +} +:if ($CheckHealthCPUUtilization < 650 && $CheckHealthCPUUtilizationNotified = true) do={ + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "abacus,chart-decreasing" ] . "Health recovery: CPU utilization"); \ + message=("The average CPU utilization on " . $Identity . " decreased to " . ($CheckHealthCPUUtilization / 10) . "%.") }); + :set CheckHealthCPUUtilizationNotified false; +} + +:local CheckHealthFreeRAM ($Resource->"free-memory" * 100 / $Resource->"total-memory"); +:if ($CheckHealthFreeRAM < 20 && $CheckHealthFreeRAMNotified != true) do={ + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "card-file-box,chart-decreasing" ] . "Health warning: free RAM"); \ + message=("The available free RAM on " . $Identity . " is at " . $CheckHealthFreeRAM . "% (" . \ + ($Resource->"free-memory" / 1024 / 1024) . "MiB)!") }); + :set CheckHealthFreeRAMNotified true; +} +:if ($CheckHealthFreeRAM > 30 && $CheckHealthFreeRAMNotified = true) do={ + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "card-file-box,chart-increasing" ] . "Health recovery: free RAM"); \ + message=("The available free RAM on " . $Identity . " increased to " . $CheckHealthFreeRAM . "% (" . \ + ($Resource->"free-memory" / 1024 / 1024) . "MiB).") }); + :set CheckHealthFreeRAMNotified false; +} + +:if ([ :len [ /system/health/find ] ] = 0) do={ + $LogPrintExit2 debug $0 ("Your device does not provide any health values.") true; +} + +:if ([ :typeof $CheckHealthLast ] != "array") do={ + :set CheckHealthLast ({}); +} +:if ([ :typeof $CheckHealthTemperatureNotified ] != "array") do={ + :set CheckHealthTemperatureNotified ({}); +} + + +: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; +} |