Re: snmptrapd -A append not working

On 27/11/2007, Ben Carbery <[email protected]> wrote:
>  The man page indicates -A should cause traps to be appended to the
>  file, but adding this option cause the service to fail.
>
>  e.g.
>  OPTIONS="-c /etc/snmp/snmptrapd.conf -LAf /var/snmp/snmptrapd.log
>      -p /var/run/snmptrapd.pid"

No - that won't work.
-A is an option in its own right - it's not a sub-option of the -L flag.

>  or
>  OPTIONS="-c /etc/snmp/snmptrapd.conf -Lf /var/snmp/snmptrapd.log -A
>     -p  /var/run/snmptrapd.pid"

Hmmm.... I would have expected that to work....

>  The -H output seems to omit append as a supported option.

-H just lists the snmptrapd.conf directives.
It doesn't list the command-line options.  Use '-h' for that.



>  Is it the case that this option is no longer supported?

No.  It *is* supported, but you're discovered a problem
with the implementation.

The -A option sets an internal flag to control whether
log files should be truncated or appended to.
The -Lf option looks at this flag when it's opening the
specified log file, and acts accordingly.

But it works using the value of this internal flag at
the time that the -Lf option is parsed - which in this
case is *before* the -A option is processed.

Try
>  OPTIONS="-c /etc/snmp/snmptrapd.conf -A  -Lf /var/snmp/snmptrapd.log
>     -p  /var/run/snmptrapd.pid"

I'll update the documentation to mention this.

Dave

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