Hi Milosz,
I don't have any experience with the settings you're using so can't
help there, but I do log to graylog via syslog.
This is what I do, in case it's helpful as a workaround.
In ceph.conf global section or config db:
log to syslog = true
err to syslog = true
in rsyslog.conf add preserve hostname to get fqdn hostnames
$PreserveFQDN on
in rsyslog.d create a file to catch all. You could, of course, just
specify ceph related logs here if you don't want host logs.
*.* @ip_address_of_graylog
Regards,
Rich
On Fri, 2 Jul 2021 at 17:25, <milosz@xxxxxxxxxxxxxxxxx> wrote:
>
> Hi,
>
> Want to have logs from cluster on Graylog but seems like CEPH send empty
> "host" field. Any one can help ?
>
> CEPH 16.2.3
> # ceph config dump | grep graylog
> global advanced clog_to_graylog true
> global advanced clog_to_graylog_host xx.xx.xx.xx
> global basic err_to_graylog true
> global basic log_graylog_host xx.xx.xx.xx *
> global basic log_to_graylog true
>
> I see that my Graylog is hit by traffic from ceph on port 12201 udp and
> parsed by GELF udp
>
> Grylog logs:
>
> 2021-07-01 12:16:57,355 ERROR:
> org.graylog2.shared.buffers.processors.DecodingProcessor - Error
> processing message RawMessage{id=3ad5c6a1-da66-11eb-a55c-0242ac120005,
> messageQueueId=2810784, codec=gelf, payloadSize=340,
> timestamp=2021-07-01T12:16:57.354Z, remoteAddress=/xx.xx.xx.xx:34049}
> java.lang.IllegalArgumentException: GELF message
> <3ad5c6a1-da66-11eb-a55c-0242ac120005> (received from
> <xx.xx.xx.xx:34049>) has empty mandatory "host" field.
> at
> org.graylog2.inputs.codecs.GelfCodec.validateGELFMessage(GelfCodec.java:247)
> ~[graylog.jar:?]
> at org.graylog2.inputs.codecs.GelfCodec.decode(GelfCodec.java:140)
> ~[graylog.jar:?]
> at
> org.graylog2.shared.buffers.processors.DecodingProcessor.processMessage(DecodingProcessor.java:153)
> ~[graylog.jar:?]
> at
> org.graylog2.shared.buffers.processors.DecodingProcessor.onEvent(DecodingProcessor.java:94)
> [graylog.jar:?]
> at
> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:90)
> [graylog.jar:?]
> at
> org.graylog2.shared.buffers.processors.ProcessBufferProcessor.onEvent(ProcessBufferProcessor.java:47)
> [graylog.jar:?]
> at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:143)
> [graylog.jar:?]
> at
> com.codahale.metrics.InstrumentedThreadFactory$InstrumentedRunnable.run(InstrumentedThreadFactory.java:66)
> [graylog.jar:?]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
>
> Best regards Milosz
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