I have all devices configured with this exact command minus the show-timezone option and it doesn't seem to make a difference. On Tue, Feb 26, 2019 at 11:03 AM Nik Ambrosch <nik@ambrosch.com> wrote:
I had a similar issue, could you try installing this logging configuration on your cisco devices?
service timestamps log datetime msec localtime show-timezone
On Tue, Feb 26, 2019 at 11:36 AM N. Max Pierson <nmaxpierson@gmail.com> wrote:
Hi List,
I have been trying to get something in place that can parse syslogs from various Cisco devices. The message format is almost the same with a few exceptions. Here is what I have tried and it works but now it has created another problem I do not know how to troubleshoot.
So that I could see exactly what was being parsed, I disabled the default parsing using the below.
source s_network { udp(ip(0.0.0.0) port(514) flags(no-parse)); };
rewrite r_cisco{ subst('^<\d+>(\d+:|:)\s+(\.\w+|\w+)\s+\d+\s+\d+\s\d+:\d+:\d+:\s|^<\d+>:\s+\d+\s+\w+\s+\d+\s+\d+:\d+:\d+\s\w+:\s|^<\d+>(\d+:|:)\s', "", value("MESSAGE"), type("pcre"), flags("ignore-case")); };
destination d_mysql { sql(type(mysql) host("127.0.0.1") username("syslog-ng") password("password") database("syslog") table("messages_${HOST}") columns("datetime datetime", "host varchar(50)", "level varchar(10)", "message text") values("${R_YEAR}-${R_MONTH}-${R_DAY} ${R_HOUR}:${R_MIN}:${R_SEC}", "${HOST}", "${LEVEL}", "${MESSAGE}") indexes("datetime", "level") ); };
log { source(s_network); rewrite(r_cisco); destination(d_mysql); };
This works perfectly as it formats the message as I want and covers IOS and NX-OS devices. The problem is when I turned off the default parser, now all of my logs show "notice" in the $LEVEL macro and doesn't reflect the real message header level. The $HOST macro still works fine however.
Is this the expected behavior that the message header fields are not parsed as well as the $MESSAGE itself not being parsed? How can map the header level field properly to the $LEVEL marco if I disable the default parser?
Regards, Max
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