Old content pack import failed in graylog 4.3

If that is your plan, you really need to be super efficient. I see this as working out in stages…

Pipeline rules Stage One - break out the following into fields:
(allowing the message to pass to stage two if at least one rule matches)

  • syslog_priority
  • syslog_version
  • timestamp_c (don’t get it confused with the Graylog Timestamp)
  • log_type

Then in Stage Two you can create a series of rules that only act on the message if it’s relevant so here are examples:

rule "Cisco - LineProto"
when
   to_string($message.log_type) == "LINEPROTO-5-UPDOWN"
then
   <script that GROK's the data after LINEPROTO-5-UPDOWN into the correct fields>
end
rule "Cisco - Link-Updown"
when
   to_string($message.log_type) == "LINK-3-UPDOWN"
then
   <script that GROK's the data after LINK-3-UPDOWN into the correct fields>
end
rule "Cisco - Link-Changed"
when
   to_string($message.log_type) == "LINK-5-CHANGED"
then
   <script that GROK's the data after LINK-5-CHANGED into the correct fields>
end
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