"Each action didn't specify any queue parameters - which means they have
a default direct queue."
That statement is not correct. Actions do not have queues by default.
If you define a queue on an action, then the action never suspends,
hence the waterfall of "only when previous suspended" will never
accomplish the failover. If an action does not have a queue, and cannot
complete, THEN it will suspend and the next action be attempted. The
queue on the ruleset only comes into play if ALL of the actions are
suspended.
Regards,
On 6/6/20 8:51 AM, rajeshksv via rsyslog wrote:
Hi All,
As per documentation
https://www.rsyslog.com/doc/v8-stable/tutorials/failover_syslog_server.html,
it says
"Failover will *not* work when you define queues on the actions".
Proposed solution is
"If you would like to use a queue on the forwarding process as whole, the
solution is to put all actions into a ruleset and assign a queue to the
ruleset"
While I understand the rationale behind assigning a queue to the ruleset, I
don't understand how the last example given in doc works and first example
doesn't work.
In the last example, Ruleset consisted of 3 actions. Each action didn't
specify any queue parameters - which means they have a default direct
queue. Since actions have a queue, even the last example should fail (Just
like the first example in the doc where actions didn't have a queue
explicitly defined in config). Please correct me where I got wrong.
ruleset(name="forwarding" queue.type="linkedList" queue.filename="fwdq") {
action(type="omfwd" target="primary-syslog.example.com" port="10514"
protocol="tcp")
action(type="omfwd" target="secondary-1-syslog.example.com" port="10514"
action.execOnlyWhenPreviousIsSuspended="on")
action(type="omfwd" target="secondary-2-syslog.example.com" port="10514"
action.execOnlyWhenPreviousIsSuspended="on")
action(type="omfile" tag="failover" file="/var/log/localbuffer"
action.execOnlyWhenPreviousIsSuspended="on")
}
if($msg contains "error") then {
call forwarding
}
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