Set the severity field

It is possible to configure the severity field with the set-severity() rewrite function. When configured, the set-severity() rewrite function will only rewrite the $SEVERITY field in the message to the first parameter value specified in the function.

Declaration

rewrite <name_of_the_rule> {
    set-severity("severity string or number");
};

Parameters

The set-severity() rewrite function has a single, mandatory parameter that can be defined as follows:

set-severity( "parameter1" );

Accepted values

The set-severity() rewrite function accepts numeric values, named values, and aliases. Aliases are available in AxoSyslog version 4.6 and later.

Example usage for the set-severity() rewrite function

The following examples use the set-severity() rewrite function.

Using a named value:

rewrite {
    set-severity("info");
};

Using a numeric value:

rewrite {
    set-severity("6");
};

Using a template:

rewrite {
    set-severity("${.json.severity}");
};