respawning dead tinc process

[Steffen Vogel]

There arre systemd services here which also do restart on a failure:

http://tinc-vpn.org/git/browse?p=tinc;a=tree;f=systemd;hb=refs/heads/1.1

Cheers

> Am 29.01.2016 um 16:15 schrieb pjv <pjv at pjv.me>:
> 
> Hi Daniel,
> 
> Yes, thanks and I should have mentioned that I am using pretty much the same thing you suggested on my routers, but for whatever reason couldn’t get that approach working on the linux box in question.
> 
> Mark,
> 
> Thanks for the upstart script. I had tried to do the same myself but couldn’t get my upstart script to work right. I was missing the ‘-D’ flag in my script. Added that and now it’s working great.
> 
>> On Jan 29, 2016, at 8:42 AM, Mark Lopez <m at silvenga.com> wrote:
>> 
>> I’ve been having the same issue with Ubuntu, thankfully we have access to Upstart:
>> 
>> ```
>> start on (local-filesystems and net-device-up IFACE!=lo)
>> stop on stopping network-services
>> 
>> author "Mark Lopez"
>> description "Tinc Upstart Job"
>> version "0.1"
>> 
>> env network=master
>> 
>> respawn
>> 
>> exec /usr/sbin/tincd -n "$network" -D --debug=3 --logfile
>> ```
>> 
>> I removed the default init script and switched over to Upstart. Restarts will occur as soon as the process dies. Save the job as “/etc/init/tinc.conf”.
>> 
>> From: tinc [mailto:tinc-bounces at tinc-vpn.org] On Behalf Of Daniel J. Grinkevich
>> Sent: Friday, January 29, 2016 8:25 AM
>> To: tinc at tinc-vpn.org
>> Subject: Re: respawning dead tinc process
>> 
>> This is what we use on our routers, running once a minute via crontab.
>> 
>> if pgrep "tincd" >/dev/null; then
>>   echo "tincd is running"
>> else
>>   echo "tincd isn't running, restarting"
>>   tincd -n nycmesh
>> fi
>> 
>> On Fri, Jan 29, 2016 at 9:07 AM, pjv <pjv at pjv.me> wrote:
>> I have tinc 1.1pre11 running on various routers and linux cloud servers. On one of the cloud servers, under Ubuntu 12.04, tinc is mysteriously dying once in a while, leaving a dangling PID. I have been unable to track down why it is dying, but it happens infrequently enough that I care less about why it is dying than how to robustly respawn it when it dies.
>> 
>> Before I re-invent the wheel, has anyone come up with a solution for automatically detecting a dead tincd and respawning the process on linux?
>> 
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> 
> 
> 
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