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Maniphest T6989

syslog: convert old configuration format to "advanced"
In progress, NormalPublicFEATURE REQUEST
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Description

We are still using the legacy config format for rsyslog in https://github.com/vyos/vyos-1x/blob/bb4611544ff73a979f927a7a1c8ea3dd1c56fb48/data/templates/rsyslog/rsyslog.conf.j2

It has been superseded by a new format:

https://www.rsyslog.com/doc/configuration/converting_to_new_format.html

There are some associated issues. For example, we use $markMessagePeriod for "set system syslog global marker interval", which sends mark messages unconditionally. New rsyslog versions support sending mark messages only if there are no real messages, the old directive is now listed as obsolete (https://www.rsyslog.com/doc/configuration/input_directives/rsconf1_markmessageperiod.html) and its replacement seems to be only available in the advanced format.

It also allows running rsyslog in a VRF context, an additional argument in favor of it.
In addition to the rewrite we should keep the syslog simpler then it currently is:

  • Drop file CLI option to log to dedicated files.
  • Drop user CLI option to always log to user terminal - should be an op-mode command instead
  • Add new source-address option for outgoing connections

Details

Version
-
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Feature (new functionality)

Event Timeline

c-po created this task.Sun, Dec 29, 11:42 AM
c-po renamed this task from rsyslog to rsyslog: rewrite daemon configuration in favour of omfwd.
c-po changed the task status from Open to In progress.
c-po claimed this task.
c-po triaged this task as Normal priority.
pasik subscribed.Sun, Dec 29, 12:39 PM
c-po updated the task description. (Show Details)Fri, Jan 3, 6:08 PM
c-po added a project: VyOS 1.5 Circinus.
c-po updated the task description. (Show Details)Wed, Jan 8, 7:45 PM
c-po renamed this task from rsyslog: rewrite daemon configuration in favour of omfwd to rsyslog: convert old configuration format to "advanced".Mon, Jan 13, 6:37 PM
c-po renamed this task from rsyslog: convert old configuration format to "advanced" to syslog: convert old configuration format to "advanced".
c-po updated the task description. (Show Details)
c-po added a comment.Wed, Jan 15, 8:37 PM

https://github.com/vyos/vyos-1x/pull/4305