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check-health: reverse logic for RAM (free -> utilization)...

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... to bring it in sync with CPU utilization.

Also make the output more verbose, at least for the warning.

---- ✂️ ----
🗃️📈️ Health warning: RAM utilization

The RAM utilization on MikroTik is at 81%!

total:          64 MiB
used:           52 MiB
free:           11 MiB
---- ✂️ ----
🗃️📉️ Health recovery: RAM utilization

The RAM utilization on MikroTik decreased to 65%.
---- ✂️ ----
This commit is contained in:
Christian Hesse 2023-10-24 16:26:14 +02:00
parent d4e5194a65
commit ff35f0c87f
6 changed files with 20 additions and 19 deletions
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25
check-health.rsc
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@ -12,8 +12,8 @@
:global CheckHealthCPUUtilization;
:global CheckHealthCPUUtilizationNotified;
:global CheckHealthFreeRAMNotified;
:global CheckHealthLast;
:global CheckHealthRAMUtilizationNotified;
:global CheckHealthTemperature;
:global CheckHealthTemperatureDeviation;
:global CheckHealthTemperatureNotified;
@ -52,20 +52,21 @@ $ScriptLock $0;
:set CheckHealthCPUUtilizationNotified false;
}
:local CheckHealthFreeRAM ($Resource->"free-memory" * 100 / $Resource->"total-memory");
:if ($CheckHealthFreeRAM < 20 && $CheckHealthFreeRAMNotified != true) do={
:local CheckHealthRAMUtilization (($Resource->"total-memory" - $Resource->"free-memory") * 100 / $Resource->"total-memory");
:if ($CheckHealthRAMUtilization >=80 && $CheckHealthRAMUtilizationNotified != 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;
subject=([ $SymbolForNotification "card-file-box,chart-increasing" ] . "Health warning: RAM utilization"); \
message=("The RAM utilization on " . $Identity . " is at " . $CheckHealthRAMUtilization . "%!\n\n" . \
[ $FormatLine "total" (($Resource->"total-memory" / 1024 / 1024) . " MiB") ] . "\n" . \
[ $FormatLine "used" ((($Resource->"total-memory" - $Resource->"free-memory") / 1024 / 1024) . " MiB") ] . "\n" . \
[ $FormatLine "free" (($Resource->"free-memory" / 1024 / 1024) . " MiB") ]) });
:set CheckHealthRAMUtilizationNotified true;
}
:if ($CheckHealthFreeRAM > 30 && $CheckHealthFreeRAMNotified = true) do={
:if ($CheckHealthRAMUtilization < 70 && $CheckHealthRAMUtilizationNotified = 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;
subject=([ $SymbolForNotification "card-file-box,chart-decreasing" ] . "Health recovery: RAM utilization"); \
message=("The RAM utilization on " . $Identity . " decreased to " . $CheckHealthRAMUtilization . "%.") });
:set CheckHealthRAMUtilizationNotified false;
}
:if ([ :len [ /system/health/find ] ] = 0) do={