hi,
we use active/standby load balancer in front of our puppetmaster cluster.
once in a while load banalcer vIP migrates (ie. when we reboot active
node), which gives about 5-10 seconds of unavailability (until loadbalancer
reconnects to backends). during that time it emits 503...
i wonder if it would be both useful and not hard to code to add a
configuration option which alters agent so that its http client can retry
(with configurable retry number, timeout and exponent). in our case it
should just resume after those 10 seconds and apply the remainder of
catalog, it might be even more important if you run puppetmaster over
wan/vpn.
in current case it gives us some apply failures, which upsets our
monitoring and graphing services...
what do you think?
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