Hi Valdimir,

by feature, I meant "a simple way" to provide/add it (not necessary a Karaf feature) ;)

Probably the easier way now is to document how to do it in the dev guide with an associated sample.

Regards
JB

On 03/19/2016 03:03 PM, Владимир Коньков wrote:
Hi Jean-Baptiste!

We actively use GELF for streaming logs from Karaf based platforms for
years. But we stop building custom distributions at beginning of
adoption because of we use use different distrs from different vendors
(FuseSource, Talend, stock Servicemix, plain Karaf etc). Not all distrs
can be modified. It all needs to be upgradable.
Custom distribution is not practical way for us. Now we install appender
at deployment time by help of deployment automation tools like Ansible,
Puppet.

Current appender we use is GELFJ. Not so robust as I want but with some
infrastructure support it works:

https://github.com/t0xa/gelfj

It is already has OSGI headers to be fragment bundle for Pax-Logging.

For log4j2 I currently testing this 2 implementations:

1. https://github.com/Graylog2/log4j2-gelf

2. https://github.com/mp911de/logstash-gelf

For fist I’ve made couple of changes + OSGI headers for both. If someone
is interested in I can share results after decision to be made with
small configuration example. As before, we not plan build custom distrs.

I think Karaf feature is not to be needed because there is only one
proper way to package appender - one superbundle, fragment for
Pax-Logging without any exports and imports. Because of that -
installation of appender it is simple bundle installation and Karaf
restart. Or startup.properties modification, etc…

Regards,
Vladimir Konkov
CIT Consulting LLC

17 марта 2016 г., в 22:17, Jean-Baptiste Onofré <j...@nanthrax.net
<mailto:j...@nanthrax.net>> написал(а):

Hi Vladimir

anyway, do you already have GELF in your custom distribution ?
If so, I would love to document it for other potential users, or even
propose an optional feature to add this.

WDYT ?

Regards
JB

On 03/17/2016 06:33 AM, Владимир Коньков wrote:
Hi there!

Lukasz, Jean-Baptiste, thanx for reply. Actually your opinion is
expected and reasonable.

Lukasz, couple of comments:

Proposed solution is not specific for any tool - GELF is very common
format for app log streaming and it’s popularity is growing.

About custom distribution:
Usually, ops team is orthogonal to dev team. Infrastructure services
like logging provided by ops team, deployment platform stated by dev
team. It’s not comfortable to require custom version of Karaf from
dev team. Moreover it is not always possible. In our projects we
support many Karaf versions and distribution from Apache Servicemix
4.4 (Karaf 2.2.x) to TalendESB 5.x to modern Karaf 4.0.x - it is far
from always possible to build custom distr. But on all of this distrs
we use one set of custom appenders (!) for 4+ years. One of that
appenders finally die (compression, file rotation etc), but not other.

Lukasz is absolutely right - logging is part of foundation
functionalities and because of that it is hard to extend in
comparison to other parts. I’ve first voted for removing blueprint
from base distribution but ask you for common streaming log appender.

Anyway, thanx for Karaf - it is very good platform for any server
solutions on JVM. Of cause if you want and can adapt it.

Regards,
Vladimir Konkov


--
Jean-Baptiste Onofré
jbono...@apache.org <mailto:jbono...@apache.org>
http://blog.nanthrax.net
Talend - http://www.talend.com


--
Jean-Baptiste Onofré
jbono...@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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