Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2016-07-09 Thread Tianon Gravi
On 24 October 2015 at 06:48, Tianon Gravi  wrote:
> What does postgres do in this case?  I think they've got similar
> issues and I'm curious whether they just blow it away regardless.

https://sources.debian.net/src/postgresql-9.5/9.5.3-1/debian/postgresql-9.5.postrm/#L59

| clean_dir /etc/postgresql/$VERSION
| clean_dir /var/lib/postgresql/$VERSION
| clean_dir /var/log/postgresql/$VERSION

I don't think it's sane for us to remove "/etc/docker" since other
packages use that same directory, but we should be able to figure out
something workable for "/var/lib/docker" (going to try working up some
logic for this).

♥,
- Tianon
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Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2015-10-24 Thread Tianon Gravi
On 18 February 2014 at 05:40, Paul Tagliamonte  wrote:
> Word. I'll add some stuff to clean up /var/lib, thanks for the bug!

I like the idea of cleaning up /var/lib/docker contents, but I'm still
pretty on the fence for whether it's a safe thing for us to do in
general.  This directory might contain important user data that they
aren't necessarily even aware was there, and if we blow it away, we've
just deleted that (orphaned or even unorphaned volumes, container
writable layers, etc).

What does postgres do in this case?  I think they've got similar
issues and I'm curious whether they just blow it away regardless.

We might also run into issues if the user has mounted a different
partition on /var/lib/docker to force the daemon to use a particular
storage driver or for performance reasons.

♥,
- Tianon
  4096R / B42F 6819 007F 00F8 8E36  4FD4 036A 9C25 BF35 7DD4



Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2014-02-18 Thread Paul Tagliamonte
On Tue, Feb 18, 2014 at 05:28:16PM +0900, Arnaud Fontaine wrote:
> Not really. To be honest I think you're right and I didn't think about
> the issue you mentioned above (thanks for pointing that out, it's good
> to know ;-)),

Of course! Yeah, this is a funky one. I've not found a good way to
handle this yet, but hopefully one day we'll have something big and
fancy to do it for us :)

> so it should be probable be left as is it for the user at
> least.

Word. I'll add some stuff to clean up /var/lib, thanks for the bug!

Cheers,
   Paul

> 
> Cheers,
> -- 
> Arnaud Fontaine

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Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2014-02-18 Thread Arnaud Fontaine
Paul Tagliamonte  writes:

> On Mon, Feb 17, 2014 at 05:15:38PM +0900, Arnaud Fontaine wrote:
>> Hi again,
>> 
>> Also, docker user is created in postinst, but not removed on purge
>> neither. Could you please fix it? Thank you very much.
>
> https://wiki.debian.org/AccountHandlingInMaintainerScripts
>
> I don't believe that's needed. I don't really mind either way, but
> purging and re-installing may give the user a new uid, which is a huge
> pain if you have any files owned by the daemon on the machine that you
> backed up.
>
> I think we're pretty split on if we should do this, is there a good
> reason besides "it looks ugly in /etc/passwd" or something?

Not really. To be honest I think you're right and I didn't think about
the issue you mentioned above (thanks for pointing that out, it's good
to know ;-)), so it should be probable be left as is it for the user at
least.

Cheers,
-- 
Arnaud Fontaine


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Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2014-02-17 Thread Paul Tagliamonte
On Mon, Feb 17, 2014 at 05:15:38PM +0900, Arnaud Fontaine wrote:
> Hi again,
> 
> Also, docker user is created in postinst, but not removed on purge
> neither. Could you please fix it? Thank you very much.

https://wiki.debian.org/AccountHandlingInMaintainerScripts

I don't believe that's needed. I don't really mind either way, but
purging and re-installing may give the user a new uid, which is a huge
pain if you have any files owned by the daemon on the machine that you
backed up.

I think we're pretty split on if we should do this, is there a good
reason besides "it looks ugly in /etc/passwd" or something?

Cheers,
  Paul

-- 
 .''`.  Paul Tagliamonte   |   Proud Debian Developer
: :'  : 4096R / 8F04 9AD8 2C92 066C 7352  D28A 7B58 5B30 807C 2A87
`. `'`  http://people.debian.org/~paultag
 `- http://people.debian.org/~paultag/conduct-statement.txt


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Bug#739257: Acknowledgement (docker.io: leftover after purge: /var/lib/docker)

2014-02-17 Thread Arnaud Fontaine
Hi again,

Also, docker user is created in postinst, but not removed on purge
neither. Could you please fix it? Thank you very much.

Cheers,
-- 
Arnaud Fontaine


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