:: Re: [DNG] [FYI] Docker upgrade fail…
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Autor: Daniel Reurich
Data:  
A: Olaf Meeuwissen, Steve Litt
CC: dng
Assumpte: Re: [DNG] [FYI] Docker upgrade fails to restart daemon
On 13/11/18 00:57, Olaf Meeuwissen wrote:
> Steve Litt writes:
>
>> On Fri, 09 Nov 2018 22:13:16 +0900
>> Olaf Meeuwissen <paddy-hack@???> wrote:
>>
>>> [ ... docker-ce upgrade fails to restart daemon on Devuan ... ]
>>> [ ... same upgrade restarted daemon just fine on Debian ... ]
>>> [ ... suspecting docker-ce to only cater to systemd ... ]
>
> For the record, the approximately monthly upgrades of docker-ce have
> been smooth sailing since 17.10 or thereabouts. This is the first time
> I observed trouble.
>
>> This kind of thing is exactly why I started running daemontools on top
>> of sysvinit. I found that for some things, sysvinit was just to
>> complicated to easily troubleshoot.
>>
>> Nobody uses daemontools anymore. They use runit (with the sysvinit
>> pID1) instead.
>
> When upgrading a package that provides a daemon, I expect the upgrade to
> shut down the daemon provided by the old version and start the one from
> the new version. I do not want anything to "muck" with that, be that
> daemontools or anything else.
> Keeping an otherwise running daemon running is a different story.
>
> I checked to /var/lib/dpkg/info/docker-ce.{prerm,postinst} scripts. For
> 18.06.1~ce~3-0~debian these include calls to invoke-rc.d to stop and
> start the daemon. As of 5:18.09.0~3-0~debian-stretch these calls are
> gone. The only stop/start mechanism supported is systemd :-(
> Ditto for containerd.io :-(
>
> FWIW, I've submitted https://github.com/docker/for-linux/issues/482
>

File a bug against the debian package, because policy dictates they
should still handle the sysvinit case.



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Daniel Reurich
Centurion Computer Technology (2005) Ltd.
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