On 07/09/17 15:07, Gert Doering wrote: > Hi, > > On Thu, Sep 07, 2017 at 03:02:20PM +0200, David Sommerseth wrote: >>> Which is not what I hoped for... "turn it off and leave it so" is non >>> helpful (it might be a transient error preventing the startup). >> >> I'm confused. What is it you want? >> >> * try restarting in an endless loop? >> * try restarting X times and then stop trying? > > "exponential decay" > > Restart a few times quickly, and then slow down, like "re-try after 1s, 3s, > 5s, 10s, 15s, 30s, 60s, ... and then stick to every-5-minutes" or so > (like OpenVPN's own connection re-try logic :-) ).
Yes, that is a nice idea. But to my knowledge, that is not something systemd supports today. So we can't have that easily. We could look into a ExcePreStart=, which tracks how long time it has gone since the last restart and adds the "exponential decay" sleep. But that means more code to maintain. > That way you get quick restart if a temporary failure happens, and avoid > filling logs with useless crap if the error persists - like "bind to an > IP address that is not present in the system, because the ppp0 interface > where it would show up is down", or something like this. > > But if that cannot be done, that's how it is - and in that case, "stop > trying" is not what I want. Which means the current patch is what is possible to achieve today. :) -- kind regards, David Sommerseth OpenVPN Technologies, Inc
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