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check-health: support hard lower limit for voltage

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... to detect slow decrease of voltage, for example with UPS.
This commit is contained in:
Christian Hesse 2021-11-13 21:29:33 +01:00
parent d87c50cf68
commit 2625cc09a5
6 changed files with 19 additions and 4 deletions
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12
check-health
View file

@ -14,6 +14,7 @@
:global CheckHealthTemperature;
:global CheckHealthTemperatureDeviation;
:global CheckHealthTemperatureNotified;
:global CheckHealthVoltageLow;
:global CheckHealthVoltagePercent;
:global Identity;
@ -52,6 +53,17 @@ $ScriptLock $0;
message=("The " . $Name . " on " . $Identity . " jumped more than " . $CheckHealthVoltagePercent . "%.\n\n" . \
"old value: " . [ $FormatVoltage ($CheckHealthLast->$Name) ] . "\n" . \
"new value: " . [ $FormatVoltage $Voltage ]) });
} else={
:if ($Voltage <= $CheckHealthVoltageLow && $CheckHealthLast->$Name > $CheckHealthVoltageLow) do={
$SendNotification2 ({ origin=$0; \
subject=([ $SymbolForNotification "high-voltage-sign,chart-decreasing" ] . "Health warning: Low " . $Name); \
message=("The " . $Name . " on " . $Identity . " dropped to " . [ $FormatVoltage $Voltage ] . " below hard limit.") });
}
:if ($Voltage > $CheckHealthVoltageLow && $CheckHealthLast->$Name <= $CheckHealthVoltageLow) do={
$SendNotification2 ({ origin=$0; \
subject=([ $SymbolForNotification "high-voltage-sign,chart-increasing" ] . "Health recovery: Low " . $Name); \
message=("The " . $Name . " on " . $Identity . " recovered to " . [ $FormatVoltage $Voltage ] . " above hard limit.") });
}
}
}
}

3
doc/check-health.md
View file

@ -12,7 +12,7 @@ Description
This script is run from scheduler periodically, sending notification on
health related events:
* voltage jumps up or down more than configured threshold
* voltage jumps up or down more than configured threshold or drops below limit
* power supply failed or recovered
* temperature is above or below threshold
@ -53,6 +53,7 @@ Configuration
The configuration goes to `global-config-overlay`, these are the parameters:
* `CheckHealthTemperature`: an array specifying temperature thresholds for sensors
* `CheckHealthVoltageLow`: value (in volt*10) giving a hard lower limit
* `CheckHealthVoltagePercent`: percentage value to trigger voltage jumps
Also notification settings are required for e-mail, matrix and/or telegram.

3
global-config
View file

@ -8,7 +8,7 @@
# Make sure all configuration properties are up to date and this
# value is in sync with value in script 'global-functions'!
:global GlobalConfigVersion 68;
:global GlobalConfigVersion 69;
# This is used for DNS and backup file.
:global Domain "example.com";
@ -105,6 +105,7 @@
}
# This is deviation on recovery threshold against notification flooding.
:global CheckHealthTemperatureDeviation 2;
:global CheckHealthVoltageLow 115;
:global CheckHealthVoltagePercent 10;
# Access-list entries matching this comment are updated

2
global-config-overlay
View file

@ -8,7 +8,7 @@
# Make sure all configuration properties are up to date and this
# value is in sync with value in script 'global-functions'!
# Comment or remove to disable news and change notifications.
:global GlobalConfigVersion 68;
:global GlobalConfigVersion 69;
# Copy configuration from global-config here and modify it.

1
global-config.changes
View file

@ -72,6 +72,7 @@
66="Moved script 'bridge-port-to-default' to new module.";
67="Moved modules to directory with shorter name.";
68="Reintroduced 'global-wait' for functions in scheduler.";
69="Support hard lower limit for voltage in 'check-health'.";
};
# Migration steps to be applied on script updates

2
global-functions
View file

@ -8,7 +8,7 @@
# https://git.eworm.de/cgit/routeros-scripts/about/
# expected configuration version
:global ExpectedConfigVersion 68;
:global ExpectedConfigVersion 69;
# global variables not to be changed by user
:global GlobalFunctionsReady false;