Date: Sun, 26 Aug 2018 20:56:04 +0100 From: Paul Webster <paul.g.webster@googlemail.com> To: Paul Vixie <vixie@fsi.io> Cc: "freebsd-virtua." <freebsd-virtualization@freebsd.org> Subject: Re: Query regarding tutorials (Please have a quick read of me!) Message-ID: <CADdqeiN3Fp-yajLeduOWfcO=8WRUm0KPUsA7cHLuyQDJnY-xOw@mail.gmail.com> In-Reply-To: <3626542.UnW4ZVN1pJ@linux-9daj> References: <CADdqeiO0mGtGuao6t4Nq_Ts4qG6Xqs54C=NzpVKuyyZqPSBAuw@mail.gmail.com> <6699362.kGnQbBhLUH@linux-9daj> <CADdqeiPcBm-0Fvu70T3z8-e=SnTMgxx86MH3jRv3v6UNutbZkg@mail.gmail.com> <3626542.UnW4ZVN1pJ@linux-9daj>
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indeed I did polish it a bit and upload: https://youtu.be/w0WuoKVWAgI ;) Thank you for the script though! I will have a look at modifying it in the git On Sun, 26 Aug 2018 at 20:04, Paul Vixie <vixie@fsi.io> wrote: > On Sunday, August 26, 2018 4:25:13 PM UTC Paul Webster wrote: > > howto start stuff auto: > > https://www.youtube.com/watch?v=MidLqBs4_B8&feature=youtu.be > > very entertaining. some notes: > > note that rc.local is executed by the "." command from the /bin/sh > instance > that runs /etc/rc.d/local, and so, #! isn't relevant there, nor is "chmod > +x". > > net.link.ether.inet.proxyall is documented in arp(4) and just means don't > drop > arp requests about addresses that aren't local. i prefer to let the bhyve > guests answer for themselves, which they'll do, because the arp request is > sent to the all ones address, and thus reaches all the guests. > > i do not use daemon -r for bhyve, because it ignores the the exit status. > if > bhyve exits with 0 i want to loop (recreate bhyve), if it's nonzero i want > it > to exit (poweroff, shutdown, or kernel panic). according to bhyve(8): > > > EXIT STATUS > > > > Exit status indicates how the VM was terminated: > > > > 0 rebooted > > 1 powered off > > 2 halted > > 3 triple fault > > you might be planning to explain how you interpret these exit statuses in > the > shell script you run from daemon, which in turn starts bhyve. however, it > looks as if daemon -r only avoids the restart loop if it receives a > SIGTERM, > and i don't know how you'll deliver that. my /etc/rc.local script looks > like > this: > > > while true; do > > > > ... > > > > # we're using file descriptor #3 to get the bhyve exit code out. > ugly. > > set $( ( ( sh vmrun.sh \ > > -c $cpucount \ > > -m $memorysize \ > > -t tap$tapif \ > > -d /dev/zvol/$zvol \ > > -C /dev/$cons \ > > -x \ > > $@ $vm \ > > 2>&1; \ > > echo $? >&3; ) | logger -t "$tag" ) 3>&1 ) > > bhyve_exit=$1 > > > > echo === $bhyve_exit > > if [ "$bhyve_exit" -ne 0 ]; then > > break > > fi > > > > sleep 10 > > done > > -- > Vixie > >
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