Hi,
UUID generation and some other utility functions have been on the TODO
list for quite some time and these will be implemented sooner or later.
I have looked at this issue with the xm_perl module quickly. You should
use multiple xm_perl instances like you did because the callback is
invoked from different threads running the input modules. Unfortunately
it seems to hang/crash because there is some race condition when the
perl interpreter is accessed. This needs to be fixed.
Regards,
Botond
On Thu, 16 Jan 2014 08:17:08 -0500
Dillon Detour <dillondet...@gmail.com> wrote:
> Has anyone created UUID's in NXLOG? I would like to create an unique
> identifier for each event so I can find identical events across hdfs and
> elasticsearch.
>
> I tried the following but it only gets me part of the way there:
> <Extension perl1>
> Module xm_perl
> PerlCode /opt/uuid/uuid.pl
> </Extension>
> <Input in_udp_syslog>
> Module im_udp
> Host 0.0.0.0
> Port 514
> Exec perl->call("getuuid");
> Exec parse_syslog(); to_json();
> </Input>
> -------------------------------
> /opt/uuid/uuid.pl:
>
> use warnings;
> use Data::GUID;
>
> # Without Log::Nxlog you cannot access (read or modify) the event data
> # so don't forget this:
> use Log::Nxlog;
>
> sub getuuid
> {
> # The event data is passed here when this method is invoked by the module
> my ( $event ) = @_;
> my $guid = Data::GUID->new;
> Log::Nxlog::set_field_string($event, 'uuid', $guid->as_string);
>
> }
>
> EOF
> ---------------------------
> The above works great until I add it to a second input and nxlog hangs:
> <Input in_udp_syslog2>
> Module im_udp
> Host 0.0.0.0
> Port 515
> Exec perl->call("getuuid");
> Exec parse_syslog(); to_json();
> </Input>
>
> I tried adding a second extension pointing at the same perl code and still
> no luck
> <Extension perl2>
> Module xm_perl
> PerlCode /opt/uuid/uuid.pl
> </Extension>
>
> I am open to other ways to solve the problem of UUIDs but would still like
> to know how I could run a common perl script across multiple inputs.
>
> Any help is appreciated!
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