Local log stops when use "log-send-hostname" for Syslog

Help!
1

Hello
We use HAProxy 2.6.6. Log configuration is as below:

global
log 192.168.X.Y:514 local0 notice
log /dev/log local0
log /dev/log local1 notice
#log-send-hostname

In this situation, Local log works correctly and log file updates in /var/log/. Also syslog works correctly.
When we want use “log-send-hostname” config and uncomment it, The local log in /var/log/ stop updating and nothing inserts in it. Syslog works correctly and hostname inserts in log, as we configure it.
p.s: log-send-hostname config, send hostname (hostname of linux machine which HAPrioxy installed on it) to syslog server. this is important to us because multiple machines send logs to syslog server.

Regard

2

Check your local syslog configuration, likely there is a regexp that stops matching when you add the hostname.

3

Thanks lukastribus for your kind response.
I have two machine for test this issue. one of them has “hap1” as hostname, and the other has “lb-hap-1” as host name. We have problem on both machines. When we set “log-send-hostname” config on haproxy.conf, local log stop working.

Regards

4

Exactly, that is why I am saying that the configuration of the local syslog daemon needs to be verified.

5

Dear lukastribus, Would you please tell me how to verify that configuration? I’m a bit confused, all of my log configuration are these:

log 192.168.20.10:514 local0 notice
log /dev/log local0
log /dev/log local1 notice
log-send-hostname

Best regards

6

I don’t know how to verify that configuration, it’s not part of haproxy, it’s part of your operating system.

Consult your operating system documentation on how local syslog is configured.