Re: [Vserver] packaging review for new Debian packages

2004-12-30 Thread Stephen Frost
* Kilian Krause ([EMAIL PROTECTED]) wrote:
 well, it doesn't forcibly re-activate them. Just update-rc.d has a logic
 that when *NONE* of the runlevels has any symlink for either
 S??$SERVICENAME or K??$SERVICENAME then it'll try to create them for
 it's thinking it's being installed for the first time. That does remove
 overhead for a more special configuration of first and update install.
 So the clean fix is to remove all but one symlink (which will be a K99
 or so) to have this made working. 

Or just put 'exit 0' at the top of /etc/init.d/klogd, or whatever.

 In my idea the guest-vserver virtual package could/should provide as
 many services as we need to be available, but not original daemons and
 then offer a debconf dialog to the user querying about all the other
 daemons to be shut off. Poking around /etc/rc*.d/[SK]* symlinks is valid
 from debconf as far as i know the policy in case you do that upon user
 request. Of course altering any symlinks except for our own without
 asking or even telling the user is out of the limits we should be
 staying within.

I really don't think we need a guest-vserver package.  I'd rather
vserver provide empty hooks for the things needed in a 'normal' system,
but otherwise just let the admin take care of it.

 ...which would be a nice task for a vserver-guest virtual package
 including a fancy postinst script.

I don't like fancy postinst scripts.  :)

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-29 Thread Kilian Krause
Hi Enrico,

Am Dienstag, den 28.12.2004, 03:49 +0100 schrieb Enrico Scholz:
  [ ... util-vserver.spec ...]
   Sounds like maybe it shouldn't be shipped in the release tarball
   then..
  
  No, it must be shipped. Else 'rpmbuild -ta util-vserver...tar.bz2' would
  not work anymore.
 
  Hrmpf.  Then can we just not delete it in make clean?
 
 I will think about this; but I still do not understand the problem
 there.

very easy to tell. You're talking about what configure builds, make
clean purges yet you're rolling the release tarball with a *.spec
already. Thus it's not configure building it, but autogen.sh at dist
stage. So the make clean shouldn't purge it, but going back into
mrproper mode should. Maybe someone can tell me if distclean is
supposed to clean this and doing a make clean would be the appropriate
fix here? (Not technically, but stylistic in general terms of
automake/autoconf etc.)

I know for now i use distclean to revert all built objects and
tempfiles into the release state and if clean is sufficient, then that
might be the answer to that question.

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-29 Thread Kilian Krause
Hi Herbert,

Am Mittwoch, den 29.12.2004, 00:01 +0100 schrieb Herbert Poetzl:
 chkconfig --del network
  
   and it removes all the links from the various runlevels
   so that 'network' isn't started anymore ...
  
  The problem is that as soon as the next update to the network
  package happens it will re-enable the service.
  
  So you have to manually stop it and disable it (ugly, error prone,
  maintenance intensive) or write a hook for your packaging system to
  stop it (still ugly).
 
 wait you are saying that your distro re-enables
 disabled services when they get updated? sounds
 like a bug to me, I would not want a distro to
 decide which services I run, just consider the
 security impact, when I disable telnet and the
 distro decides to re-enable it 'just' because
 a new telnet package was available ...

well, it doesn't forcibly re-activate them. Just update-rc.d has a logic
that when *NONE* of the runlevels has any symlink for either
S??$SERVICENAME or K??$SERVICENAME then it'll try to create them for
it's thinking it's being installed for the first time. That does remove
overhead for a more special configuration of first and update install.
So the clean fix is to remove all but one symlink (which will be a K99
or so) to have this made working. 

In my idea the guest-vserver virtual package could/should provide as
many services as we need to be available, but not original daemons and
then offer a debconf dialog to the user querying about all the other
daemons to be shut off. Poking around /etc/rc*.d/[SK]* symlinks is valid
from debconf as far as i know the policy in case you do that upon user
request. Of course altering any symlinks except for our own without
asking or even telling the user is out of the limits we should be
staying within.

 I do not think that any serious distro will do 
 that ... so I guess it is 'safe' to disable those
 services right after guest installation ...

...which would be a nice task for a vserver-guest virtual package
including a fancy postinst script.

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-29 Thread Enrico Scholz
[EMAIL PROTECTED] (Kilian Krause) writes:

  [ ... util-vserver.spec ...]
  Hrmpf.  Then can we just not delete it in make clean?
 
 I will think about this; but I still do not understand the problem
 there.

 very easy to tell. You're talking about what configure builds, make
 clean purges yet you're rolling the release tarball with a *.spec
 already. Thus it's not configure building it, but autogen.sh at dist
 stage. So the make clean shouldn't purge it, but going back into
 mrproper mode should.

Sorry, I am out of sync now... util-vserver has neither an 'autogen.sh'
script nor a 'mrproper' make-target.


The clearify things:

* 'util-vserver.spec' is *not* removed by 'make clean'
* 'util-vserver.spec' *is* removed by 'make distclean'; this clean rule
  is generated automatically by automake

* 'util-vserver.spec' *is* generated by './configure', './config.status'
  and (at least) 'make dist'
* 'util-vserver.spec' is *not* generated by automake, autoconf, aclocal,
  autoheader or libtoolize

And I still do not see the problem: it is common practice to build a
'.spec' file from a '.spec.in' file and to ship it in the tarball.
E.g. most Gnome packages have the behavior above; how is Debian
packaging done there?




Enrico
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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Hans Ulrich Niedermann
Herbert Poetzl [EMAIL PROTECTED] writes:

 On Mon, Dec 27, 2004 at 09:05:21PM -0500, Stephen Frost wrote:
 * Herbert Poetzl ([EMAIL PROTECTED]) wrote:
  On Mon, Dec 27, 2004 at 08:48:43PM -0500, Stephen Frost wrote:

   syslogd and klogd are seperate packages already, the problem is that
   klogd doesn't work and complains because it doesn't have proper
   permissions.  I think that's the main issue...
  
  hmm, so why not simply unconfigure (remove the link for 
  the kernel logger service for the default runlevel) and
  be done? no change required at all, right?
 
 Sure, but you can't do that in the Debian util-vserver package. :) Can't
 touch other package config files.  That's one of the reasons why I think
 it shouldn't be the Debian's packages problem- let the user handle it,
 it's not that big of a deal...
 
  so I see no issue there, as I said, just unconfigure
  that 'hardware' related service like the others 
  (random, rtc, usb ...)
 
 Again, a Debian util-vserver package couldn't do that due to sane policy
 issues.  It'd be nice if we didn't have to worry about it because the
 kernel/vserver patch took care of it, but otherwise I think the user can
 handle it and maybe we could have some stuff in README.Debian about it.

 you got that one wrong, the service is working fine
 on the host, it's the guest setup which doesn't allow
 for those services, and this IMHO has to be configured
 at guest installation anyway (otherwise you end up with
 a lot of error messages, when the vserver tries to access
 the hardware, configure the usb disks or set the system 
 time) ...

 so I really, really, dont see any issues with disabling
 klogd (runlevel service that is) for a guest when it is
 isntalled, and this will solve the klogd issues in the
 guest (there should be none on the host, if so then it's
 a bug and we will try to fix it ...)

And you can even do that disabling cleanly and automatically if you
install your guest systems with a virtual klogd instead of the
standard one which contains nothing but

Provides: linux-kernel-log-daemon
Conflicts: linux-kernel-log-daemon
Replaces: linux-kernel-log-daemon

OK, it could make sense to call this package not
util-vserver-something but vserver-guest. This isn't about
util-vserver any more, but more something like adding Debian support
for a new hardware platform.

And for the other hardware stuff Herbert mentioned (random, rtc,
usb)... theoretically, this vserver-guest package could pull in
dependencies on adapted versions, or provide virtual packages which
aren't useful on the guest system.

Gru,

Uli
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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Stephen Frost
* Enrico Scholz ([EMAIL PROTECTED]) wrote:
 [EMAIL PROTECTED] (Stephen Frost) writes:
  So, it's used by scripts *and* is compiled into programs?
 
 Yes; e.g.

I believed you, I just find it kind of ugly. :)

  I'm thinking it might go in /usr/share/util-vserver then, since it's
  not system-dependent
 
 it is system-dependent; e.g. on i386 it has

ehh, alright, the example you gave isn't actually how it works out on
Debian currently (amd64 is pure64, which means /usr/lib and no lib64)
but perhaps there's other things, it's not a big deal,
/usr/lib/util-vserver is fine too.

  * execve(2) is more efficiently than execvp(3)
 
  Is there something in here that actually would notice from such a
  change?  Seriously, is there *really* some benefit here for an end user
  or is this just a lame excuse thrown in at the end? :P
 
 using execvp(3) would mean:
 * trusting in $PATH that it contains the wanted path (this has to deal
   with packaging philosophies also which expect all 3rd party apps
   under /opt/name) -- /etc/profile.d/* et.al. must be executed
   before everything else
 * trusting in $PATH that it contains not too much (e.g. no '.'); we are
   operating in hostile environments (guest-servers) -- sanity checks
   for $PATH are required
 * iterating over all elements of $PATH and try execve() there
 
 
 With execve(2) you do not have these problems and both coding and
 runtime-executing is more efficiently.

Alright, you've jumped from a performance issue to being concerned 
about security.  So, let's talk about security then-

Who's going to run the programs?  Are any of them setuid?  What if the
root user is running it and *wants* . in his path for some testing work?
If a hostile person has root access in the guest server, what if they
just replaced the binaries themselves?  Or created an alias/function in
root's .profile?  Should a root user in a guest server even be able to
change context anyway?  Lack of the binaries wouldn't stop someone who
has root in a vserver from being able to download the appropriate
binaries and if that allowed them to break out of the vserver there'd be
a more serious problem here I'd think.

 I do not see an advantage in guessing paths with execvp(3) over and over
 again, when they can be determined at buildtime.

The problem is that you're not building on every box out there- you're
building on one box and then shipping binary files which can't be
changed very easily.  Therefore, being flexible is generally preferred,
especially when you're talking about paths to other programs which the
admin may want to install his own utilities for, for whatever reason.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 09:05:21PM -0500, Stephen Frost wrote:
  Again, a Debian util-vserver package couldn't do that due to sane policy
  issues.  It'd be nice if we didn't have to worry about it because the
  kernel/vserver patch took care of it, but otherwise I think the user can
  handle it and maybe we could have some stuff in README.Debian about it.
 
 you got that one wrong, the service is working fine
 on the host, it's the guest setup which doesn't allow
 for those services, and this IMHO has to be configured
 at guest installation anyway (otherwise you end up with
 a lot of error messages, when the vserver tries to access
 the hardware, configure the usb disks or set the system 
 time) ...

Err, I was talking about in the guest...

 so I really, really, dont see any issues with disabling
 klogd (runlevel service that is) for a guest when it is
 isntalled, and this will solve the klogd issues in the
 guest (there should be none on the host, if so then it's
 a bug and we will try to fix it ...)

From a user's perspective, I tend to agree..  I think what was being
discussed was the possibility of having a package which would take care
of disabling klogd, or just having a fake package to satisfy the
linux-kernel-logger or whatever dependency.  By doing that you could set
up a list of packages to install which wouldn't require such additional
guest-system configuration.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Stephen Frost
* Hans Ulrich Niedermann ([EMAIL PROTECTED]) wrote:
 And you can even do that disabling cleanly and automatically if you
 install your guest systems with a virtual klogd instead of the
 standard one which contains nothing but
 
 Provides: linux-kernel-log-daemon
 Conflicts: linux-kernel-log-daemon
 Replaces: linux-kernel-log-daemon
 
 OK, it could make sense to call this package not
 util-vserver-something but vserver-guest. This isn't about
 util-vserver any more, but more something like adding Debian support
 for a new hardware platform.
 
 And for the other hardware stuff Herbert mentioned (random, rtc,
 usb)... theoretically, this vserver-guest package could pull in
 dependencies on adapted versions, or provide virtual packages which
 aren't useful on the guest system.

Yeah..  Honestly, I'd rather see the vserver patch 'fake out' this stuff
instead of having a bunch of special packages be required in the guest.
If nothing else, it makes it that much more obvious that it's a vserver
guest and that there's a master server somewhere which someone might be
interested in trying to bust into...

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Enrico Scholz
[EMAIL PROTECTED] (Stephen Frost) writes:

 [... absolute paths vs. resolution with $PATH ...] 
 using execvp(3) would mean:
 * trusting in $PATH that it contains the wanted path (this has to deal
   with packaging philosophies also which expect all 3rd party apps
   under /opt/name) -- /etc/profile.d/* et.al. must be executed
   before everything else
 * trusting in $PATH that it contains not too much (e.g. no '.'); we are
   operating in hostile environments (guest-servers) -- sanity checks
   for $PATH are required
 * iterating over all elements of $PATH and try execve() there
 
 
 With execve(2) you do not have these problems and both coding and
 runtime-executing is more efficiently.

 Alright, you've jumped from a performance issue to being concerned 
 about security.  So, let's talk about security then-

 Who's going to run the programs?  Are any of them setuid?

rebooting with 'vshelper' might have a setuid-like effect...


 What if the root user is running it and *wants* . in his path for
 some testing work?

Having '.' in $PATH results in undefined behavior when non-absolute
programnames are used. I do not want undefined behavior...


 If a hostile person has root access in the guest server, what if they
 just replaced the binaries themselves?

One problem is:

| $ vserver foo start
| ...
| cd /vservers/foo/...
| mount /blahblub '.'

When root has still '.' in $PATH (which was set e.g. for the testing
work above), you could give root-access for the host-system to the
guest-admin also...


When executing

| /bin/mount /blahblub '.'

things are ok.


 Or created an alias/function in root's .profile?  ...

util-vserver should/must not use anything in the guest-system. Using
absolute paths is part of the strategy to avoid this.


 I do not see an advantage in guessing paths with execvp(3) over and over
 again, when they can be determined at buildtime.

 The problem is that you're not building on every box out there- you're
 building on one box and then shipping binary files which can't be
 changed very easily.

1. I do not ship binaries
2. I do not believe into the one-binary-for-all-distributions concept

It is free software; everybody can recompile it in his/her environement
or use packages for the used environment/distribution.




Enrico
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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Herbert Poetzl
On Tue, Dec 28, 2004 at 05:23:18PM +0100, Enrico Scholz wrote:
 [EMAIL PROTECTED] (Stephen Frost) writes:
 
  [... absolute paths vs. resolution with $PATH ...] 
  using execvp(3) would mean:
  * trusting in $PATH that it contains the wanted path (this has to deal
with packaging philosophies also which expect all 3rd party apps
under /opt/name) -- /etc/profile.d/* et.al. must be executed
before everything else
  * trusting in $PATH that it contains not too much (e.g. no '.'); we are
operating in hostile environments (guest-servers) -- sanity checks
for $PATH are required
  * iterating over all elements of $PATH and try execve() there
  
  
  With execve(2) you do not have these problems and both coding and
  runtime-executing is more efficiently.
 
  Alright, you've jumped from a performance issue to being concerned 
  about security.  So, let's talk about security then-
 
  Who's going to run the programs?  Are any of them setuid?
 
 rebooting with 'vshelper' might have a setuid-like effect...
 
 
  What if the root user is running it and *wants* . in his path for
  some testing work?
 
 Having '.' in $PATH results in undefined behavior when non-absolute
 programnames are used. I do not want undefined behavior...

to clarify, there are actually three modes in the 
current linux-vserver setup/solution:

 a) you are on the host system
 b) you are inside the vserver (e.g. with ssh)
 c) you are basically on the host system but
half way inside the vserver (doing stuff like
starting services, etc)


where a) and b) is of no concern regarding pathes
or permissions, but c) is a big deal if you call
the wrong (i.e. malign) binary ...

  If a hostile person has root access in the guest server, what if they
  just replaced the binaries themselves?
 
 One problem is:
 
 | $ vserver foo start
 | ...
 | cd /vservers/foo/...
 | mount /blahblub '.'
 
 When root has still '.' in $PATH (which was set e.g. for the testing
 work above), you could give root-access for the host-system to the
 guest-admin also...
 
 When executing
 
 | /bin/mount /blahblub '.'
 
 things are ok.
 
 
  Or created an alias/function in root's .profile?  ...
 
 util-vserver should/must not use anything in the guest-system. Using
 absolute paths is part of the strategy to avoid this.

yes, and unless we 'decide' not to allow to
manage the vserver from the host system, this
will stay an important issue, if we decide (on
public demand, which I doubt) that access to the
vserver from the host system is not allowed, we
can loosen the rules there without reducing the
security ...

  I do not see an advantage in guessing paths with execvp(3) over and over
  again, when they can be determined at buildtime.
 
  The problem is that you're not building on every box out there- you're
  building on one box and then shipping binary files which can't be
  changed very easily.
 
 1. I do not ship binaries

I totally agree with that philosophy, we do not
do binary kernels either ...

 2. I do not believe into the one-binary-for-all-distributions concept
 
 It is free software; everybody can recompile it in his/her environement
 or use packages for the used environment/distribution.

best,
Herbert

 Enrico
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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Herbert Poetzl
On Tue, Dec 28, 2004 at 11:23:03AM +0100, Hans Ulrich Niedermann wrote:
 Herbert Poetzl [EMAIL PROTECTED] writes:
 
  On Mon, Dec 27, 2004 at 09:05:21PM -0500, Stephen Frost wrote:
  * Herbert Poetzl ([EMAIL PROTECTED]) wrote:
   On Mon, Dec 27, 2004 at 08:48:43PM -0500, Stephen Frost wrote:
 
syslogd and klogd are seperate packages already, the problem is that
klogd doesn't work and complains because it doesn't have proper
permissions.  I think that's the main issue...
   
   hmm, so why not simply unconfigure (remove the link for 
   the kernel logger service for the default runlevel) and
   be done? no change required at all, right?
  
  Sure, but you can't do that in the Debian util-vserver package. :) Can't
  touch other package config files.  That's one of the reasons why I think
  it shouldn't be the Debian's packages problem- let the user handle it,
  it's not that big of a deal...
  
   so I see no issue there, as I said, just unconfigure
   that 'hardware' related service like the others 
   (random, rtc, usb ...)
  
  Again, a Debian util-vserver package couldn't do that due to sane policy
  issues.  It'd be nice if we didn't have to worry about it because the
  kernel/vserver patch took care of it, but otherwise I think the user can
  handle it and maybe we could have some stuff in README.Debian about it.
 
  you got that one wrong, the service is working fine
  on the host, it's the guest setup which doesn't allow
  for those services, and this IMHO has to be configured
  at guest installation anyway (otherwise you end up with
  a lot of error messages, when the vserver tries to access
  the hardware, configure the usb disks or set the system 
  time) ...
 
  so I really, really, dont see any issues with disabling
  klogd (runlevel service that is) for a guest when it is
  isntalled, and this will solve the klogd issues in the
  guest (there should be none on the host, if so then it's
  a bug and we will try to fix it ...)
 
 And you can even do that disabling cleanly and automatically if you
 install your guest systems with a virtual klogd instead of the
 standard one which contains nothing but
 
 Provides: linux-kernel-log-daemon
 Conflicts: linux-kernel-log-daemon
 Replaces: linux-kernel-log-daemon
 
 OK, it could make sense to call this package not
 util-vserver-something but vserver-guest. This isn't about
 util-vserver any more, but more something like adding Debian support
 for a new hardware platform.
 
 And for the other hardware stuff Herbert mentioned (random, rtc,
 usb)... theoretically, this vserver-guest package could pull in
 dependencies on adapted versions, or provide virtual packages which
 aren't useful on the guest system.

hmm, yes, would be an option, but what is the problem
with simply disabling those services?

just as an example: Mandrake has a tool called chkconfig
where you simply do

chkconfig --del network

and it removes all the links from the various runlevels
so that 'network' isn't started anymore ...

doing the same for klogd, while leaving syslogd untouched
would be precisely what you want here ...

(similar is true for all the hardware specific stuff)

best,
Herbert

 Gruß,
 
 Uli
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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Hans Ulrich Niedermann
Herbert Poetzl [EMAIL PROTECTED] writes:

 On Tue, Dec 28, 2004 at 11:23:03AM +0100, Hans Ulrich Niedermann wrote:

[ Vserver guest systems are different from normal systems, and thus
  require special handling services for klogd and hardware access.
  Herbert Poetzl says just disable the services
  Hans Ulrich Niedermann says provide dummy packages to replace the
  services. ]

 And for the other hardware stuff Herbert mentioned (random, rtc,
 usb)... theoretically, this vserver-guest package could pull in
 dependencies on adapted versions, or provide virtual packages which
 aren't useful on the guest system.

 hmm, yes, would be an option, but what is the problem
 with simply disabling those services?

 just as an example: Mandrake has a tool called chkconfig
 where you simply do

   chkconfig --del network

 and it removes all the links from the various runlevels
 so that 'network' isn't started anymore ...

The problem is that as soon as the next update to the network
package happens it will re-enable the service.

So you have to manually stop it and disable it (ugly, error prone,
maintenance intensive) or write a hook for your packaging system to
stop it (still ugly).

 doing the same for klogd, while leaving syslogd untouched
 would be precisely what you want here ...

If I want it disabled permanently, why install it in the first place?

The less obsolete stuff on the (vserver guest) system, the better.

 (similar is true for all the hardware specific stuff)

Exactly my point :)

Gru,

Uli


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Re: [Vserver] packaging review for new Debian packages

2004-12-28 Thread Herbert Poetzl
On Tue, Dec 28, 2004 at 08:08:34PM +0100, Hans Ulrich Niedermann wrote:
 Herbert Poetzl [EMAIL PROTECTED] writes:
 
  On Tue, Dec 28, 2004 at 11:23:03AM +0100, Hans Ulrich Niedermann wrote:
 
 [ Vserver guest systems are different from normal systems, and thus
   require special handling services for klogd and hardware access.
   Herbert Poetzl says just disable the services
   Hans Ulrich Niedermann says provide dummy packages to replace the
   services. ]
 
  And for the other hardware stuff Herbert mentioned (random, rtc,
  usb)... theoretically, this vserver-guest package could pull in
  dependencies on adapted versions, or provide virtual packages which
  aren't useful on the guest system.
 
  hmm, yes, would be an option, but what is the problem
  with simply disabling those services?
 
  just as an example: Mandrake has a tool called chkconfig
  where you simply do
 
  chkconfig --del network
 
  and it removes all the links from the various runlevels
  so that 'network' isn't started anymore ...
 
 The problem is that as soon as the next update to the network
 package happens it will re-enable the service.
 
 So you have to manually stop it and disable it (ugly, error prone,
 maintenance intensive) or write a hook for your packaging system to
 stop it (still ugly).

wait you are saying that your distro re-enables
disabled services when they get updated? sounds
like a bug to me, I would not want a distro to
decide which services I run, just consider the
security impact, when I disable telnet and the
distro decides to re-enable it 'just' because
a new telnet package was available ...

I do not think that any serious distro will do 
that ... so I guess it is 'safe' to disable those
services right after guest installation ...

  doing the same for klogd, while leaving syslogd untouched
  would be precisely what you want here ...
 
 If I want it disabled permanently, why install it in the first place?
 
 The less obsolete stuff on the (vserver guest) system, the better.

sure, nothing against a streamlined guest distro
I do that myself for my linux-vserver guests, but
there are other folks out there which _want_ to 
use a guest as close as it can be to default install
and hey, if they want all those packages lying around
I'm not going to stop them ...

  (similar is true for all the hardware specific stuff)
 
 Exactly my point :)

ah, good, we agree here *G*

 Gruß,
 
 Uli

best,
Herbert

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Kilian Krause ([EMAIL PROTECTED]) wrote:
 We'd appreciate if you could go through the TODO and help us with the
 open questions.

Just as another (very) interested Debian developer-

The graphviz stuff sounds new, I don't recall seeing it when I did
0.30.195..  In general I'd say either remove it or use something free to
build it.

For the documentation- create a seperate -doc package that's arch: all,
then building the documentation isn't as much of an issue.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 |- How should the packaging devide up the groups most conveniently?
 
 util-vserver-0.30.196
 util-vserver-lib-0.30.196
 util-vserver-sysv-0.30.196
 util-vserver-core-0.30.196
 util-vserver-build-0.30.196
 util-vserver-legacy-0.30.196

Good grief, Charlie Brown.  That's a hell of alot of packages.  The
0.30.195 i386 .deb that I did ended up being only 330k.  I don't think
it's useful to split up util-vserver into this many packages on Debian,
in fact, I think it'd be a *terrible* idea.  I'd say perhaps a main
util-vserver package and a -doc package.  Maybe a -lib/-dev, but only if
something outside of util-vserver is expected to use the libraries/API
provided by util-vserver (do any actually exist?, is it even sane?).

 |- Very likely a shared lib package should be included only once if
 |  there is more than one binary package.
 | 
 | * guest systems cannot run klogd (because there is only one kernel and
 |   the klogd thus is best addressed in the host system).
 |   So a distribution has to ship an empty dummy package to satisfy the
 |   packages which depend on klogd (Debian: linux-kernel-log-daemon).
 
 hmm, this is a kernel issue, and maybe we can solve
 that at this level (by providing a fake or empty
 connection point for klogd) but IMHO it would be best
 to break up the syslog package into syslogd and klogd
 (which would render this point obsolete)

ehhh, I don't think util-vserver as a package should really care about
this all that much.  People can install syslog-ng and use that instead
(that's what I do).  A fake/empty connection point for klogd isn't all
that bad of an idea, imv, though.

 | * There is a number of compile warnings. Some of them sound
 |   like they should be fixed. Are they ok as can be seen at:
 |   http://backend.verfaction.de/~kk/util-vserver/buildlog_stderr.log
 
 probably heavily depends on the used compiler ...

Debian default currently would be gcc 3.3, or so.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Kilian Krause ([EMAIL PROTECTED]) wrote:
  util-vserver-0.30.196
  util-vserver-lib-0.30.196
  util-vserver-sysv-0.30.196
  util-vserver-core-0.30.196
  util-vserver-build-0.30.196
  util-vserver-legacy-0.30.196
 
 ok, we'll try to bring that to the debs. Is there a list which files
 should go into which of these packages?

As I mentioned in the other thread- please don't.  It doesn't make sense
and it's really not a sane thing to do for Debian.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Enrico Scholz ([EMAIL PROTECTED]) wrote:
 [EMAIL PROTECTED] (Herbert Poetzl) writes:
  | * A lot of programs don't have documentation. Add man pages in DocBook?
 
 Maintainership of the man-pages will be a problem; especially in
 the current stage where features might be added or removed very
 fast. Incorrect documentation is worse than missing one.

It'd be nice if the commits of such feature addition/deletion also
included the appropriate documentation changes...  In addition, the
man-pages could have a note in them about the current flux or some such.

  | * pkglibdir is /usr/lib/util-vserver instead of /var/lib/util-vserver
 
 ??? this is standard in autoconf packages.

I was wondering a bit about this myself..  The difference between
/usr/lib and /var/lib is pretty clear- is there stuff in util-vserver
that modifies things in the /usr/lib/util-vserver install?  Or does
util-vserver normally install into /var/lib/util-vserver and that's the
complaint?  I notice on my packaging of 0.30.195 it's in /usr/lib and I
don't see anything in there that looks like having it there is wrong..

  | * /etc/vserver/util-vserver-vars
 
 Please do not install 'util-vserver-vars' into /etc. There is nothing
 which can be changed at runtime across the entire toolset (binaries have
 the values statically compiled in). The file is badly named and should
 be called 'util-vserver-consts' instead of.

I agree about the naming, and that it perhaps shouldn't even be packaged
at all (or installed by make install- is it?), but I'm a little
concerned about some of the constants that are in there- what's the
problem with searching the path for things like awk, grep, etc?

  | * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
  |   default. What is include/vserver.h installed for?!
 
 Support for 3rd party language bindings were the main idea behind an
 libvserver library. Dunno, if there is much interest in such ones but I
 do not see reasons not to ship the -devel files.

Is the API/ABI adequately supported to really allow for people to be
able to develop against it and depend on it?  I'm guessing 'no'
considering on 0.30.195 it looks like I've got a 'libvserver.so.0.0.0'.
If the API/ABI isn't handled correctly through soname and soversion
changes and whatnot then they should *not* be included in Debian.  If
someone complains because they want to build something against them or
depend on them then util-vserver will *need* to have proper API/ABI
support.  Personally, I hope that just doesn't happen anytime soon. :)

  | * It would be very convenient if upstream could ship the graphviz
  |   output with the releases, such that building for Debian doesn't
  |   require graphviz.
 
 How is this handled in other Debian packages with 'doxygen' support?  I
 would like to ship only the files which are really needed to build the
 package.

Good question, honestly I don't know the answer to this one, I've only
just started looking into doxygen myself. :)

  | * The distclean target does also remove util-vserver.spec which is
  |   shipped in the release tarball.
 
 Where is the problem? The corresponding clean-rule is autogenerated
 by autoconf and the file can be recreated by './configure' resp.
 './config.status'.

Sounds like maybe it shouldn't be shipped in the release tarball then..
Debian packages are generally built along the lines of 'make clean,
generate Debian diff, configure, make, make install'.  We don't like
things showing up in the Debian diff that shouldn't really be there. :)
It makes everyone's life harder having to deal w/ large diffs...

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Kilian Krause
Hi Enrico,

  | * /etc/vserver/util-vserver-vars
 
 Please do not install 'util-vserver-vars' into /etc. There is nothing
 which can be changed at runtime across the entire toolset (binaries have
 the values statically compiled in). The file is badly named and should
 be called 'util-vserver-consts' instead of.

I don't. There's no single rule which would put it there in my
packaging. Thus this is coming from the install or install-distribution
targets.

If i did copy the specfile wrong, i'm sorry for that. That's why i'm
asking what target is to be called.

Yet the option to allow a relocation of the default vserver rootdir
would be highly appreciated. (and IMHO broken if not availble at all)

 
  | * util-vserver contains a large number of utilities - binaries and
  |   shell scripts. These utilities serve different purposes and belong
  |   to different conceptual layers.
 
 'contrib/manifest.dat' contains the proposed grouping/subpackaging. See
 the %install stage of the shipped .spec file for ways how to use it.

Ok, will check that. Thanks.

 
  | * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
  |   default. What is include/vserver.h installed for?!
 
 Support for 3rd party language bindings were the main idea behind an
 libvserver library. Dunno, if there is much interest in such ones but I
 do not see reasons not to ship the -devel files.

Has so far only _one_ app been coded outside the util-vserver domain? If
not, i'd vote for leaving this out until someone complains.

 
  | * It would be very convenient if upstream could ship the graphviz
  |   output with the releases, such that building for Debian doesn't
  |   require graphviz.
 
 How is this handled in other Debian packages with 'doxygen' support?  I
 would like to ship only the files which are really needed to build the
 package.

I need: doxygen, tetex-bin, tetex-extras, gs, graphviz
alltogether to build the doc target. And shipping only the needed to
build sounds like a good idea as that IMHO involves a static doc
already.

 
  | * What is recommended for packaging, running both install and
  |   install-distribution (along with make all doc) or just make install?
 
 The 'install-distribution' target installs files outside of $(prefix). These
 are the /vservers directory and the /sbin/vshelper symlink.
 
 
  | * The distclean target does also remove util-vserver.spec which is
  |   shipped in the release tarball.
 
 Where is the problem? The corresponding clean-rule is autogenerated
 by autoconf and the file can be recreated by './configure' resp.
 './config.status'.

The point is you don't delete files you ship in the release tarball.
Thus if the spec is included in the official tarball the clean shouldn't
remove it.

 
  | * There is a number of compile warnings. Some of them sound
  |   like they should be fixed. Are they ok as can be seen at:
  |   http://backend.verfaction.de/~kk/util-vserver/buildlog_stderr.log
 
 The only true ones are the missing strchr()/strlen() declarations and
 the unknown '\params' doxygen directive. First issue should be solved in
 CVS some time ago, latter will be fixed soon.
 
 The other warnings are caused by incomplete and currently unused
 code (vserver-start/*), support for the kernel 2.4 API and missing
 documentation.

Ok, sounds fine to me. =)

  |   # remove newvserver.defaults (because that is linuxconf and that is not
  |   supported in debian).
  |   rm -f $(CURDIR)/debian/util-vserver/etc/vservers/newvserver.defaults
 
 this should not be installed by 'make install*'.

ok, will check that.

 
  |   # New since SID for they are not standard for a Debian binary package
  |   rm -rf $(CURDIR)/debian/util-vserver/usr/include/
  |   rm -rf $(CURDIR)/debian/util-vserver/usr/lib/pkgconfig/
 
 I do not understand the reason behind this...

If i'd leave in the include/vserver.h i'd need to make a libvserver-dev
package. Thus not shipping no header at all is the clean solution here.
And the pkgconfig isn't used on Debian, thus no need to ship it either.

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Kilian Krause
hi Stephen,

Am Montag, den 27.12.2004, 08:49 -0500 schrieb Stephen Frost:
 * Kilian Krause ([EMAIL PROTECTED]) wrote:
  We'd appreciate if you could go through the TODO and help us with the
  open questions.
 
 Just as another (very) interested Debian developer-

welcome to the troups. Feel free to testdrive my packages and comment on
them or send me a patch. =)

 The graphviz stuff sounds new, I don't recall seeing it when I did
 0.30.195..  In general I'd say either remove it or use something free to
 build it.

copying from the specfile i have included make doc which wasn't/isn't
present in the upstream deb. Thus my question here if running this is
required at all or if so cannot be moved to the dist packaging.

 For the documentation- create a seperate -doc package that's arch: all,
 then building the documentation isn't as much of an issue.

sure. If you have something handy like your old deb, feel free to mail
me the patch or deb..

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Kilian Krause
Hi Stephen,

   | * pkglibdir is /usr/lib/util-vserver instead of /var/lib/util-vserver
  
  ??? this is standard in autoconf packages.
 
 I was wondering a bit about this myself..  The difference between
 /usr/lib and /var/lib is pretty clear- is there stuff in util-vserver
 that modifies things in the /usr/lib/util-vserver install?  Or does
 util-vserver normally install into /var/lib/util-vserver and that's the
 complaint?  I notice on my packaging of 0.30.195 it's in /usr/lib and I
 don't see anything in there that looks like having it there is wrong..

Well, it does install all into /usr/lib/ instead only the libvserver*
into /usr/lib/ and the scripts and addon parts into /var/lib/ where IMHO
they belong. Thus setting the pkglibdir is the only solution to clean up
the dir structure for now. Feel free to tell me /usr/lib/ is right
and /var/lib/ needn't be used.

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Lucas Albers

Stephen Frost said:
 As I mentioned in the other thread- please don't.  It doesn't make sense
 and it's really not a sane thing to do for Debian.

It just makes it more complex, with no real benefit.
I would reccomend keeping it the same 2 packages.
-- 
Luke Computer Science System Administrator
Security Administrator,College of Engineering
Montana State University-Bozeman,Montana

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Kilian Krause ([EMAIL PROTECTED]) wrote:
| * pkglibdir is /usr/lib/util-vserver instead of /var/lib/util-vserver
   
   ??? this is standard in autoconf packages.
  
  I was wondering a bit about this myself..  The difference between
  /usr/lib and /var/lib is pretty clear- is there stuff in util-vserver
  that modifies things in the /usr/lib/util-vserver install?  Or does
  util-vserver normally install into /var/lib/util-vserver and that's the
  complaint?  I notice on my packaging of 0.30.195 it's in /usr/lib and I
  don't see anything in there that looks like having it there is wrong..
 
 Well, it does install all into /usr/lib/ instead only the libvserver*
 into /usr/lib/ and the scripts and addon parts into /var/lib/ where IMHO
 they belong. Thus setting the pkglibdir is the only solution to clean up
 the dir structure for now. Feel free to tell me /usr/lib/ is right
 and /var/lib/ needn't be used.

Well, alright, here's how it is in my head (at least):

  /usr/bin for scripts/binaries expected to be used by users
  /usr/sbin for scripts/binaries expected to be used by superusers
  /usr/lib for libraries/.so files
  /usr/lib/util-vserver for programs/scripts *not* used by (super)users
  /usr/lib/util-vserver for system-depdendent static data
  /usr/share/util-vserver for system-independent static *data*
  /usr/share/doc/util-vserver for documentation
  /var/lib for system-dependent *variable* data

  I'm pretty sure this is pretty much what FHS says too, if I'm wrong
  about that, let me know. :)

  So, libvserver* into /usr/lib should be right, if libvserver should
  really be shipped at all.  Scripts that you think a user/superuser
  would use should be in /usr/(s)bin.  Scripts that are called by other
  scripts or other things in /usr/lib/util-vserver.  Vserver roots
  should be in /var/lib/vservers, and let people create a symlink from
  there to wherever they'd like (exactly the same as I already do for
  postgres, apache, mysql and other things).

  Hope that helps...  If there's other specific things you're wondering
  about I'd be happy to provide my feelings on it. :)

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Herbert Poetzl
On Mon, Dec 27, 2004 at 04:26:45PM +0100, Kilian Krause wrote:
 Hi Enrico,
 
   | * /etc/vserver/util-vserver-vars
  
  Please do not install 'util-vserver-vars' into /etc. There is nothing
  which can be changed at runtime across the entire toolset (binaries have
  the values statically compiled in). The file is badly named and should
  be called 'util-vserver-consts' instead of.
 
 I don't. There's no single rule which would put it there in my
 packaging. Thus this is coming from the install or install-distribution
 targets.
 
 If i did copy the specfile wrong, i'm sorry for that. That's why i'm
 asking what target is to be called.
 
 Yet the option to allow a relocation of the default vserver rootdir
 would be highly appreciated. (and IMHO broken if not availble at all)
 
  
   | * util-vserver contains a large number of utilities - binaries and
   |   shell scripts. These utilities serve different purposes and belong
   |   to different conceptual layers.
  
  'contrib/manifest.dat' contains the proposed grouping/subpackaging. See
  the %install stage of the shipped .spec file for ways how to use it.
 
 Ok, will check that. Thanks.
 
  
   | * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
   |   default. What is include/vserver.h installed for?!
  
  Support for 3rd party language bindings were the main idea behind an
  libvserver library. Dunno, if there is much interest in such ones but I
  do not see reasons not to ship the -devel files.
 
 Has so far only _one_ app been coded outside the util-vserver domain? If
 not, i'd vote for leaving this out until someone complains.

hmm, well, the thing here is that we _should_ try
to get folks adding/modifying stuff or adapting tools
to become context/vserver aware (for administration
purpose) like find, du, df, ... to use  'the' library
because it will be able to cope with the various
interface versions from stable vserver 1.2x up to 
recent devel versions 1.9.x, not to mention the syscall
number and invocation which is different on almost
every arch ...

I agree that the library might need some adaptations
first and probably also requires a documented API to
be usable for 3rd party stuff ...

but I guess nobody will complain if it isn't there,
they just will recode or copy/paste the code from
existing tools and create fragile versions which will
break on the first change ... nothing anybody wants.

   |   output with the releases, such that building for Debian doesn't
   |   require graphviz.
  
  How is this handled in other Debian packages with 'doxygen' support?  I
  would like to ship only the files which are really needed to build the
  package.
 
 I need: doxygen, tetex-bin, tetex-extras, gs, graphviz
 alltogether to build the doc target. And shipping only the needed to
 build sounds like a good idea as that IMHO involves a static doc
 already.

in general I think that documentation should be optional
so that somebody recompiling the stuff can easily do
that (with all the required tools installed) or leave
the doc package out, I'm personally annoyed by packages
insisting to build a documentation, when all I need is
a working binary (especially if they require huge addons
like gs or tetex) 

   | * What is recommended for packaging, running both install and
   |   install-distribution (along with make all doc) or just make install?
  
  The 'install-distribution' target installs files outside of $(prefix). These
  are the /vservers directory and the /sbin/vshelper symlink.
  
  
   | * The distclean target does also remove util-vserver.spec which is
   |   shipped in the release tarball.
  
  Where is the problem? The corresponding clean-rule is autogenerated
  by autoconf and the file can be recreated by './configure' resp.
  './config.status'.
 
 The point is you don't delete files you ship in the release tarball.
 Thus if the spec is included in the official tarball the clean shouldn't
 remove it.

any reason for 'deleting' it anyway?

   | * There is a number of compile warnings. Some of them sound
   |   like they should be fixed. Are they ok as can be seen at:
   |   http://backend.verfaction.de/~kk/util-vserver/buildlog_stderr.log
  
  The only true ones are the missing strchr()/strlen() declarations and
  the unknown '\params' doxygen directive. First issue should be solved in
  CVS some time ago, latter will be fixed soon.
  
  The other warnings are caused by incomplete and currently unused
  code (vserver-start/*), support for the kernel 2.4 API and missing
  documentation.
 
 Ok, sounds fine to me. =)
 
   | # remove newvserver.defaults (because that is linuxconf and 
   that is not
   | supported in debian).
   | rm -f 
   $(CURDIR)/debian/util-vserver/etc/vservers/newvserver.defaults
  
  this should not be installed by 'make install*'.
 
 ok, will check that.
 
  
   | # New since SID for they are not standard for a Debian binary 
   package
   | rm -rf 

Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 04:26:45PM +0100, Kilian Krause wrote:
  Has so far only _one_ app been coded outside the util-vserver domain? If
  not, i'd vote for leaving this out until someone complains.
 
 hmm, well, the thing here is that we _should_ try
 to get folks adding/modifying stuff or adapting tools
 to become context/vserver aware (for administration
 purpose) like find, du, df, ... to use  'the' library
 because it will be able to cope with the various
 interface versions from stable vserver 1.2x up to 
 recent devel versions 1.9.x, not to mention the syscall
 number and invocation which is different on almost
 every arch ...
 
 I agree that the library might need some adaptations
 first and probably also requires a documented API to
 be usable for 3rd party stuff ...
 
 but I guess nobody will complain if it isn't there,
 they just will recode or copy/paste the code from
 existing tools and create fragile versions which will
 break on the first change ... nothing anybody wants.

I think the answer here is pretty simple- properly document the API and
monitor the ABI and do proper SONAME/SOVER changes and we'll be glad to
create -dev/-lib versions for other people to code against, even if no
one uses them at first.  Until that's done I think it's a very bad idea
to include the headers since it would encourage people to code against
it, which would have many of the same problems as if they just copied 
pasted the code except that they'd have good cause to be upset with us
for shipping it.

  If i'd leave in the include/vserver.h i'd need to make a libvserver-dev
  package. Thus not shipping no header at all is the clean solution here.
  And the pkgconfig isn't used on Debian, thus no need to ship it either.
 
 the library, plus (maybe sanitized) headers are a good
 candidate for a devel package, which IMHO is a reasonable
 thing to do (see comments above)

The library would be in a libvserver package if something outside of
util-vserver used it.  Until it's got decent API documentation and a
real SONAME/SOVER that's actually monitored and updated when ABI changes
are made I'm strongly against having a libvserver/-dev package in
Debian.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Ola Lundqvist
Hello

On Mon, Dec 27, 2004 at 08:57:09AM -0500, Stephen Frost wrote:
 * Herbert Poetzl ([EMAIL PROTECTED]) wrote:
  |- How should the packaging devide up the groups most conveniently?
  
  util-vserver-0.30.196
  util-vserver-lib-0.30.196
  util-vserver-sysv-0.30.196
  util-vserver-core-0.30.196
  util-vserver-build-0.30.196
  util-vserver-legacy-0.30.196
 
 Good grief, Charlie Brown.  That's a hell of alot of packages.  The
 0.30.195 i386 .deb that I did ended up being only 330k.  I don't think
 it's useful to split up util-vserver into this many packages on Debian,
 in fact, I think it'd be a *terrible* idea.  I'd say perhaps a main
 util-vserver package and a -doc package.  Maybe a -lib/-dev, but only if
 something outside of util-vserver is expected to use the libraries/API
 provided by util-vserver (do any actually exist?, is it even sane?).

As the current maintainer of the debian package I must say that I agree.
Do not split unless there is a real need for it. As there is no lib/dev
things yet it should be be split out and as there is no real huge docs
yet it should not be split either. That is my packaging practice at least. :)

  |- Very likely a shared lib package should be included only once if
  |  there is more than one binary package.
  | 
  | * guest systems cannot run klogd (because there is only one kernel and
  |   the klogd thus is best addressed in the host system).
  |   So a distribution has to ship an empty dummy package to satisfy the
  |   packages which depend on klogd (Debian: linux-kernel-log-daemon).
  
  hmm, this is a kernel issue, and maybe we can solve
  that at this level (by providing a fake or empty
  connection point for klogd) but IMHO it would be best
  to break up the syslog package into syslogd and klogd
  (which would render this point obsolete)
 
 ehhh, I don't think util-vserver as a package should really care about
 this all that much.  People can install syslog-ng and use that instead
 (that's what I do).  A fake/empty connection point for klogd isn't all
 that bad of an idea, imv, though.

Interesting. I have never heard about this issue. I have run very lot
of vservers and some of them are logging servers.

  | * There is a number of compile warnings. Some of them sound
  |   like they should be fixed. Are they ok as can be seen at:
  |   http://backend.verfaction.de/~kk/util-vserver/buildlog_stderr.log
  
  probably heavily depends on the used compiler ...
 
 Debian default currently would be gcc 3.3, or so.

Some arches use 3.3 and some 3.4 as far as I know.

   Stephen

Regards,

// Ola

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Enrico Scholz
[EMAIL PROTECTED] (Kilian Krause) writes:

  | * /etc/vserver/util-vserver-vars
 
 Please do not install 'util-vserver-vars' into /etc. 
 ...
 Yet the option to allow a relocation of the default vserver rootdir
 would be highly appreciated. (and IMHO broken if not availble at all)

The default vserver rootdir is determined by the '--with-vrootdir'
configure option. But this is used at very few places only.

Root-directory of existing vservers is /etc/vservers/.../vdir and the
location for newly created vservers is based on
/etc/vservers/.defaults/vdirbase.


  | * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
  |   default. What is include/vserver.h installed for?!
 
 Support for 3rd party language bindings were the main idea behind an
 libvserver library. Dunno, if there is much interest in such ones but I
 do not see reasons not to ship the -devel files.

 Has so far only _one_ app been coded outside the util-vserver domain?

Yes, vserver-djinni ([1]) ;)


  | * The distclean target does also remove util-vserver.spec which is
  |   shipped in the release tarball.
 
 Where is the problem? The corresponding clean-rule is autogenerated
 by autoconf and the file can be recreated by './configure' resp.
 './config.status'.

 The point is you don't delete files you ship in the release tarball.
 Thus if the spec is included in the official tarball the clean shouldn't
 remove it.

Sorry, I do not know how to change this. This file is added by automake
to the $(CONFIG_CLEAN_FILES). After automake.info, I am doing the right
thing:

|   * If `configure' built it, then `distclean' should delete it.




Enrico

Footnotes: 
[1]  http://www-user.tu-chemnitz.de/~ensc/fedora.us-build/files/

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Hans Ulrich Niedermann
Stephen Frost [EMAIL PROTECTED] writes:

 * Enrico Scholz ([EMAIL PROTECTED]) wrote:
 [EMAIL PROTECTED] (Herbert Poetzl) writes:
  | * A lot of programs don't have documentation. Add man pages in DocBook?
 
 Maintainership of the man-pages will be a problem; especially in
 the current stage where features might be added or removed very
 fast. Incorrect documentation is worse than missing one.

 It'd be nice if the commits of such feature addition/deletion also
 included the appropriate documentation changes...  In addition, the
 man-pages could have a note in them about the current flux or some such.

In the current stage where the APIs aren't even fix yet, maintaining
accurately detailed man pages is a PITA and almost impossible to do.

However, the basic idea what, say, lsxid does will remain the same,
even if the options will still change. So a man page for lsxid which
basically says 

,-
|NAME
|  lsxid - list files with their context ID
|SYNOPSIS
|  lsxid [options] [files...]
|DESCRIPTION
|  List context IDs of files. Context IDs are blah...
|NOTE
|  lsxid is still very much in alpha stage. Therefore, its options are
|  still changing a lot. Run lsxid --help for information on the
|  current set of options.
`-

would not take any time to maintain but still would give users
valuable assistance.

  | * The distclean target does also remove util-vserver.spec which is
  |   shipped in the release tarball.
 
 Where is the problem? The corresponding clean-rule is autogenerated
 by autoconf and the file can be recreated by './configure' resp.
 './config.status'.

 Sounds like maybe it shouldn't be shipped in the release tarball then..

The release tarball requires the util-vserver.spec in order for

   rpmbuild -ta util-vserver-0.30.196.tar.gz

to build an RPM package.

 Debian packages are generally built along the lines of 'make clean,
 generate Debian diff, configure, make, make install'.  We don't like
 things showing up in the Debian diff that shouldn't really be there. :)
 It makes everyone's life harder having to deal w/ large diffs...

Gru,

Uli


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Hans Ulrich Niedermann
Stephen Frost [EMAIL PROTECTED] writes:

 Just as another (very) interested Debian developer-

 The graphviz stuff sounds new, I don't recall seeing it when I did
 0.30.195..  In general I'd say either remove it or use something free to
 build it.

graphviz is used by doxygen while building the API docs, and at least
my 0.30.195 tarball already contains the corresponding options in
lib/apidocs/Doxyfile.in.

Gru,

Uli


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Enrico Scholz
[EMAIL PROTECTED] (Stephen Frost) writes:

  | * pkglibdir is /usr/lib/util-vserver instead of /var/lib/util-vserver
 
 ??? this is standard in autoconf packages.

 I was wondering a bit about this myself..  The difference between
 /usr/lib and /var/lib is pretty clear- is there stuff in util-vserver
 that modifies things in the /usr/lib/util-vserver install?

No, everything under /usr/lib/util-vserver is touched by 'make *install'
only. Neither a tool, nor the administrator should change something
there.


  | * /etc/vserver/util-vserver-vars
 
 Please do not install 'util-vserver-vars' into /etc. There is nothing
 which can be changed at runtime across the entire toolset (binaries have
 the values statically compiled in). The file is badly named and should
 be called 'util-vserver-consts' instead of.

 I agree about the naming,

Chances are high that its naming and function was inspired by INNs
'innshellvars' file. ;)


 and that it perhaps shouldn't even be packaged at all

No, things like $PACKAGE_VERSION are changing with every version and
must be told to the single scripts. Same holds for the configured paths.


 (or installed by make install- is it?), but I'm a little concerned
 about some of the constants that are in there- what's the problem with
 searching the path for things like awk, grep, etc?

Some might be unneeded, but:

* /sbin might be missing in $PATH (it happens that 'vserver ... start'
  cleans the environment, or when vshelper is called by the kernel
  directly)
* you can configure tools with special paths at ./configure time
* execve(2) is more efficiently than execvp(3)


  | * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
  |   default. What is include/vserver.h installed for?!
 
 Support for 3rd party language bindings were the main idea behind an
 libvserver library. Dunno, if there is much interest in such ones but I
 do not see reasons not to ship the -devel files.

 Is the API/ABI adequately supported to really allow for people to be able
 to develop against it and depend on it?  I'm guessing 'no' considering on
 0.30.195 it looks like I've got a 'libvserver.so.0.0.0'.  If the API/ABI
 isn't handled correctly through soname and soversion changes and whatnot
 then they should *not* be included in Debian.

Ok, as long as the tools are labeled 'alpha' I do not intend to introduce
so-naming.


  | * The distclean target does also remove util-vserver.spec which is
  |   shipped in the release tarball.
 
 Where is the problem? The corresponding clean-rule is autogenerated
 by autoconf and the file can be recreated by './configure' resp.
 './config.status'.

 Sounds like maybe it shouldn't be shipped in the release tarball
 then..

No, it must be shipped. Else 'rpmbuild -ta util-vserver...tar.bz2' would
not work anymore.




Enrico
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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Enrico Scholz
[EMAIL PROTECTED] (Herbert Poetzl) writes:

As there is some discussion about the package-count let me explain the
background of the packaging:

 |- How should the packaging devide up the groups most conveniently?

 util-vserver-core-0.30.196

Contains low-level utilities which use the linux-vserver kernel API
directly. Most of them do not know util-vserver's idea of vservers
(cfg-directory + chroot) at all.

This package is very lightweighted and has nearly no dependencies so
that it can be used in guest-systems also.


 util-vserver-0.30.196

This is used to operate existing vservers (starting/stopping). It uses
my idea about vservers and has moderate dependencies.


 util-vserver-lib-0.30.196

Shared libraries; should be self-explaining


 util-vserver-devel-0.30.196

devel-files; adds a dependency on pkgconfig


 util-vserver-sysv-0.30.196

SysV initscripts; because:

* I do not like SysV init
* they introduce additional, ugly dependencies (the 'initscripts'
  package on Fedora)

they are packaged separately.


 util-vserver-build-0.30.196

This contains tools about the creation of vservers. It has complicated
dependencies (rpm, apt-get) which might be unwanted.


 util-vserver-legacy-0.30.196

The legacy-tools...






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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Kilian Krause
Hi Enrico,

Am Montag, den 27.12.2004, 23:02 +0100 schrieb Enrico Scholz:
 [EMAIL PROTECTED] (Kilian Krause) writes:
 
   | * /etc/vserver/util-vserver-vars
  
  Please do not install 'util-vserver-vars' into /etc. 
  ...
  Yet the option to allow a relocation of the default vserver rootdir
  would be highly appreciated. (and IMHO broken if not availble at all)
 
 The default vserver rootdir is determined by the '--with-vrootdir'
 configure option. But this is used at very few places only.
 
 Root-directory of existing vservers is /etc/vservers/.../vdir and the
 location for newly created vservers is based on
 /etc/vservers/.defaults/vdirbase.

thanks for the pointer. Sounds like a good start to a README.Debian way
of explaining things. yet somewhat using a .defaults here might call for
using a symlink to /etc/default/util-vserver here. Objections?

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Enrico Scholz ([EMAIL PROTECTED]) wrote:
 [EMAIL PROTECTED] (Stephen Frost) writes:
  and that it perhaps shouldn't even be packaged at all
 
 No, things like $PACKAGE_VERSION are changing with every version and
 must be told to the single scripts. Same holds for the configured paths.

So, it's used by scripts *and* is compiled into programs?  I'm thinking
it might go in /usr/share/util-vserver then, since it's not
system-dependent and isn't configurable.  The other option would be
/usr/lib/util-vserver, either would be fine with me.

  (or installed by make install- is it?), but I'm a little concerned
  about some of the constants that are in there- what's the problem with
  searching the path for things like awk, grep, etc?
 
 Some might be unneeded, but:
 
 * /sbin might be missing in $PATH (it happens that 'vserver ... start'
   cleans the environment, or when vshelper is called by the kernel
   directly)

vserver should only be run by root, no?  If root doesn't have sbin in
his path then there's something not right.  dpkg handles this by
checking for the things it needs being in the path and bailing if
they're not.

Not entirely sure what to tell you about vshelper and being called by
the kernel...  That's just an odd situation. :)  Is there any
environment at that point, coming from *somewhere*?

 * you can configure tools with special paths at ./configure time

Yeah, so, that doesn't exactly cut it when we're talking about something
that goes into a binary package. :P

 * execve(2) is more efficiently than execvp(3)

Is there something in here that actually would notice from such a
change?  Seriously, is there *really* some benefit here for an end user
or is this just a lame excuse thrown in at the end? :P  I don't recall
anything where performance changes at that level would make a bit of
difference in the vserver stuff.

 Ok, as long as the tools are labeled 'alpha' I do not intend to introduce
 so-naming.

Fair enough, then they won't be included in Debian as seperate packages
for people to develop against.

  Sounds like maybe it shouldn't be shipped in the release tarball
  then..
 
 No, it must be shipped. Else 'rpmbuild -ta util-vserver...tar.bz2' would
 not work anymore.

Hrmpf.  Then can we just not delete it in make clean?  That'd work
too...

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Kilian Krause ([EMAIL PROTECTED]) wrote:
 Am Montag, den 27.12.2004, 23:02 +0100 schrieb Enrico Scholz:
  Root-directory of existing vservers is /etc/vservers/.../vdir and the
  location for newly created vservers is based on
  /etc/vservers/.defaults/vdirbase.
 
 thanks for the pointer. Sounds like a good start to a README.Debian way
 of explaining things. yet somewhat using a .defaults here might call for
 using a symlink to /etc/default/util-vserver here. Objections?

Not sure that makes sense in this case..  I really don't like have a
'.defaults' directory under /etc.  The only other .files in /etc on this
particular system are in /etc/skel and /etc/cron.*.  /etc/skel because
it's got .bash_profile and .bashrc, and /etc/cron.* so that dpkg doesn't
remove them (which, arguably, is really a bug in something that should
be fixed).

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Hans Ulrich Niedermann ([EMAIL PROTECTED]) wrote:
 Stephen Frost [EMAIL PROTECTED] writes:
 Putting the legacy stuff into a separate legacy package would
 help new users a lot by reducing confusion as to what is legacy and
 what is not.

Alright, then maybe a -legacy or some such package, or just a really
stern warning at the start of all the -legacy stuff saying this is
legacy, you shouldn't be using it, or just don't distribute it at all
(my personal favorite).

 On my Debian Sarge system, these packages depend on the virtual
 package linux-kernel-log-daemon:
 
 syslog-ng
 socklog-run
 metalog
 
 So there should be some package for installation on guest systems
 which provides linux-kernel-log-daemon.
 
 However, as there seems to be a concensus that there should be nothing
 vserver specific to be installed on a vserver guest, it cannot be
 util-vserver with its tools which provides linux-kernel-log-daemon,
 but there must be a separate package.

Well, syslog-ng, at least, works just fine in that role.  Of course, if
the kernel is changed to provide a link that's just empty then anything
will work.  So, I don't think util-vserver needs to or should care about
it.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Herbert Poetzl
On Mon, Dec 27, 2004 at 08:16:54PM -0500, Stephen Frost wrote:
 * Enrico Scholz ([EMAIL PROTECTED]) wrote:
  [EMAIL PROTECTED] (Stephen Frost) writes:
   and that it perhaps shouldn't even be packaged at all
  
  No, things like $PACKAGE_VERSION are changing with every version and
  must be told to the single scripts. Same holds for the configured paths.
 
 So, it's used by scripts *and* is compiled into programs?  I'm thinking
 it might go in /usr/share/util-vserver then, since it's not
 system-dependent and isn't configurable.  The other option would be
 /usr/lib/util-vserver, either would be fine with me.
 
   (or installed by make install- is it?), but I'm a little concerned
   about some of the constants that are in there- what's the problem with
   searching the path for things like awk, grep, etc?
  
  Some might be unneeded, but:
  
  * /sbin might be missing in $PATH (it happens that 'vserver ... start'
cleans the environment, or when vshelper is called by the kernel
directly)
 
 vserver should only be run by root, no?  If root doesn't have sbin in
 his path then there's something not right.  dpkg handles this by
 checking for the things it needs being in the path and bailing if
 they're not.
 
 Not entirely sure what to tell you about vshelper and being called by
 the kernel...  That's just an odd situation. :)  Is there any
 environment at that point, coming from *somewhere*?

yes, there is an environment and it is coming from
the kernel ... currently that is:

char *envp[] = {HOME=/, TERM=linux,
PATH=/sbin:/usr/sbin:/bin:/usr/bin,

plus three further vars:

snprintf(cmd_buf, sizeof(cmd_buf)-1, VS_CMD=%08x, cmd);
snprintf(uid_buf, sizeof(uid_buf)-1, VS_UID=%d, current-uid);
snprintf(pid_buf, sizeof(pid_buf)-1, VS_PID=%d, current-pid);

  * you can configure tools with special paths at ./configure time
 
 Yeah, so, that doesn't exactly cut it when we're talking about something
 that goes into a binary package. :P
 
  * execve(2) is more efficiently than execvp(3)
 
 Is there something in here that actually would notice from such a
 change?  Seriously, is there *really* some benefit here for an end user
 or is this just a lame excuse thrown in at the end? :P  I don't recall
 anything where performance changes at that level would make a bit of
 difference in the vserver stuff.
 
  Ok, as long as the tools are labeled 'alpha' I do not intend to introduce
  so-naming.
 
 Fair enough, then they won't be included in Debian as seperate packages
 for people to develop against.

well, maybe we should try to get out of alpha in near
future as I think we will need non-alpha tools for a 
stable 2.6 release ...

   Sounds like maybe it shouldn't be shipped in the release tarball
   then..
  
  No, it must be shipped. Else 'rpmbuild -ta util-vserver...tar.bz2' would
  not work anymore.
 
 Hrmpf.  Then can we just not delete it in make clean?  That'd work
 too...
 
   Stephen

best,
Herbert

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 08:16:54PM -0500, Stephen Frost wrote:
  Not entirely sure what to tell you about vshelper and being called by
  the kernel...  That's just an odd situation. :)  Is there any
  environment at that point, coming from *somewhere*?
 
 yes, there is an environment and it is coming from
 the kernel ... currently that is:
 
 char *envp[] = {HOME=/, TERM=linux,
 PATH=/sbin:/usr/sbin:/bin:/usr/bin,
 
 plus three further vars:
 
 snprintf(cmd_buf, sizeof(cmd_buf)-1, VS_CMD=%08x, cmd);
 snprintf(uid_buf, sizeof(uid_buf)-1, VS_UID=%d, current-uid);
 snprintf(pid_buf, sizeof(pid_buf)-1, VS_PID=%d, current-pid);

Ah, interesting...  That means anything that's needed by vshelper that's
not in those paths on most systems is a candidate for being hard-coded.
Does much fall into this category?  Another option would be to have
vshelper read a config file which specifies it's path, I kind of like
that, personally.  Is vshelper called much by the kernel?

  Fair enough, then they won't be included in Debian as seperate packages
  for people to develop against.
 
 well, maybe we should try to get out of alpha in near
 future as I think we will need non-alpha tools for a 
 stable 2.6 release ...

I'm all for that... :)  I'd really like to see a 'stable' release of
vserver.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 08:28:45PM -0500, Stephen Frost wrote:
  Alright, then maybe a -legacy or some such package, or just a really
  stern warning at the start of all the -legacy stuff saying this is
  legacy, you shouldn't be using it, or just don't distribute it at all
  (my personal favorite).
 
 the thing is, many people have existing 2.4 vservers
 and want to see 'some' migration path, and telling them
 sorry, you are out of luck isn't the way we want to
 go there ... so the legacy stuff _is_ important ...
 
 having a separate package (as with rpm, see my list)
 is a good idea IMHO, because it allows to remove those
 tools once the legacy vservers have been converted

Perhaps, I just don't like releasing legacy tools.  How difficult is it
to move to the new tools?  Are the 'new' vservers the 2.6 ones, and the
'old' vservers the 2.4 ones, or can you have 'new' 2.4 vservers?

  Well, syslog-ng, at least, works just fine in that role.  Of course, if
  the kernel is changed to provide a link that's just empty then anything
  will work.  So, I don't think util-vserver needs to or should care about
  it.
 
 IMHO it would be a natural thing to _not_ mix syslogd
 and klogd into the same script/package, because they
 _are_ very different in purpose and functionality ...

syslogd and klogd are seperate packages already, the problem is that
klogd doesn't work and complains because it doesn't have proper
permissions.  I think that's the main issue...

 one is directly talking to the kernel and receiving
 system wide (read host) information, while the other
 is a pure userspace daemon receiving just userspace
 messages ...

Sure, and they're seperate packages under Debian, just both installed by
default and some things depend on a linux-kernel-logger or whatever,
iirc.

 so I really wonder why both ended up in the same script
 on most distros ...

Because they used to be distributed together...  They're no longer in
the same init script or package on Debian.

 if this is the case in debian too (I read various 
 diversive statements about that in irc and this ml)
 then this should be fixed in the distro (but I'm 
 realistic enough that this will not happen soon if at
 all, so we might do another hack, like we do for the
 broken bind)

Perhaps in Debian/stable they're still as sysklogd but in
Debian/unstable (which is what we're talking about here anyway-
Debian/stable isn't going to change, if it even has util-vserver?)
they're definitely seperate packages now.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 08:38:10PM -0500, Stephen Frost wrote:
  Ah, interesting...  That means anything that's needed by vshelper that's
  not in those paths on most systems is a candidate for being hard-coded.
  Does much fall into this category?  Another option would be to have
  vshelper read a config file which specifies it's path, I kind of like
  that, personally.  Is vshelper called much by the kernel?
 
 currently no, just on reboot/reset/halt and in near
 future on context creation and destruction, but it
 might become used more often if we decide to route
 kernel fs requests through it (e.g. proc) ...

hrmmm, why does that sound like a bad idea to me?  But then, I don't
really know what the purpose of vshelper was anyway and why it's not
done in the kernel already.  Seems like it'd be a rather slow way to
access /proc stuff, which is rather concerning, and if you did all I/O
through it you'd end up with UML-like speeds I'd think. ;)

 testing util-vserver (alpha) and reporting back
 to enrico (regarding stability and or improvements)
 will probably help there ...

I'll be setting up a bunch more vservers soon, I'll be sure to provide
all kinds of comments about how that goes. ;)

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Herbert Poetzl
On Mon, Dec 27, 2004 at 08:48:43PM -0500, Stephen Frost wrote:
 * Herbert Poetzl ([EMAIL PROTECTED]) wrote:
  On Mon, Dec 27, 2004 at 08:28:45PM -0500, Stephen Frost wrote:
   Alright, then maybe a -legacy or some such package, or just a really
   stern warning at the start of all the -legacy stuff saying this is
   legacy, you shouldn't be using it, or just don't distribute it at all
   (my personal favorite).
  
  the thing is, many people have existing 2.4 vservers
  and want to see 'some' migration path, and telling them
  sorry, you are out of luck isn't the way we want to
  go there ... so the legacy stuff _is_ important ...
  
  having a separate package (as with rpm, see my list)
  is a good idea IMHO, because it allows to remove those
  tools once the legacy vservers have been converted
 
 Perhaps, I just don't like releasing legacy tools.  How difficult is it
 to move to the new tools?  Are the 'new' vservers the 2.6 ones, and the
 'old' vservers the 2.4 ones, or can you have 'new' 2.4 vservers?

in theory, you could have newstyle 2.4 vservers, practically
you won't do that, and the missing piece is a conversion
script, which takes the old config and converts it to the
new style config ... 

this would at least provide a one way 'upgrade' to newstyle
(not sure if that is better than allowing for both configs
 until legacy fades away ...)

   Well, syslog-ng, at least, works just fine in that role.  Of course, if
   the kernel is changed to provide a link that's just empty then anything
   will work.  So, I don't think util-vserver needs to or should care about
   it.
  
  IMHO it would be a natural thing to _not_ mix syslogd
  and klogd into the same script/package, because they
  _are_ very different in purpose and functionality ...
 
 syslogd and klogd are seperate packages already, the problem is that
 klogd doesn't work and complains because it doesn't have proper
 permissions.  I think that's the main issue...

hmm, so why not simply unconfigure (remove the link for 
the kernel logger service for the default runlevel) and
be done? no change required at all, right?

  one is directly talking to the kernel and receiving
  system wide (read host) information, while the other
  is a pure userspace daemon receiving just userspace
  messages ...
 
 Sure, and they're seperate packages under Debian, just both installed by
 default and some things depend on a linux-kernel-logger or whatever,
 iirc.
 
  so I really wonder why both ended up in the same script
  on most distros ...
 
 Because they used to be distributed together...  They're no longer in
 the same init script or package on Debian.
 
  if this is the case in debian too (I read various 
  diversive statements about that in irc and this ml)
  then this should be fixed in the distro (but I'm 
  realistic enough that this will not happen soon if at
  all, so we might do another hack, like we do for the
  broken bind)
 
 Perhaps in Debian/stable they're still as sysklogd but in
 Debian/unstable (which is what we're talking about here anyway-
 Debian/stable isn't going to change, if it even has util-vserver?)
 they're definitely seperate packages now.

so I see no issue there, as I said, just unconfigure
that 'hardware' related service like the others 
(random, rtc, usb ...)

best,
Herbert

   Stephen



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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Stephen Frost
* Herbert Poetzl ([EMAIL PROTECTED]) wrote:
 On Mon, Dec 27, 2004 at 08:48:43PM -0500, Stephen Frost wrote:
  Perhaps, I just don't like releasing legacy tools.  How difficult is it
  to move to the new tools?  Are the 'new' vservers the 2.6 ones, and the
  'old' vservers the 2.4 ones, or can you have 'new' 2.4 vservers?
 
 in theory, you could have newstyle 2.4 vservers, practically
 you won't do that, and the missing piece is a conversion
 script, which takes the old config and converts it to the
 new style config ... 
 
 this would at least provide a one way 'upgrade' to newstyle
 (not sure if that is better than allowing for both configs
  until legacy fades away ...)

Well, if there's a workable upgrade script then we could run that in our
post-inst and not have to ship the legacy tools.  It's a thought anyway,
but it's up to the Debian maintainer if he wants to expend that effort
or not.

  syslogd and klogd are seperate packages already, the problem is that
  klogd doesn't work and complains because it doesn't have proper
  permissions.  I think that's the main issue...
 
 hmm, so why not simply unconfigure (remove the link for 
 the kernel logger service for the default runlevel) and
 be done? no change required at all, right?

Sure, but you can't do that in the Debian util-vserver package. :) Can't
touch other package config files.  That's one of the reasons why I think
it shouldn't be the Debian's packages problem- let the user handle it,
it's not that big of a deal...

 so I see no issue there, as I said, just unconfigure
 that 'hardware' related service like the others 
 (random, rtc, usb ...)

Again, a Debian util-vserver package couldn't do that due to sane policy
issues.  It'd be nice if we didn't have to worry about it because the
kernel/vserver patch took care of it, but otherwise I think the user can
handle it and maybe we could have some stuff in README.Debian about it.

Stephen


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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Herbert Poetzl
On Mon, Dec 27, 2004 at 09:05:21PM -0500, Stephen Frost wrote:
 * Herbert Poetzl ([EMAIL PROTECTED]) wrote:
  On Mon, Dec 27, 2004 at 08:48:43PM -0500, Stephen Frost wrote:
   Perhaps, I just don't like releasing legacy tools.  How difficult is it
   to move to the new tools?  Are the 'new' vservers the 2.6 ones, and the
   'old' vservers the 2.4 ones, or can you have 'new' 2.4 vservers?
  
  in theory, you could have newstyle 2.4 vservers, practically
  you won't do that, and the missing piece is a conversion
  script, which takes the old config and converts it to the
  new style config ... 
  
  this would at least provide a one way 'upgrade' to newstyle
  (not sure if that is better than allowing for both configs
   until legacy fades away ...)
 
 Well, if there's a workable upgrade script then we could run that in our
 post-inst and not have to ship the legacy tools.  It's a thought anyway,
 but it's up to the Debian maintainer if he wants to expend that effort
 or not.
 
   syslogd and klogd are seperate packages already, the problem is that
   klogd doesn't work and complains because it doesn't have proper
   permissions.  I think that's the main issue...
  
  hmm, so why not simply unconfigure (remove the link for 
  the kernel logger service for the default runlevel) and
  be done? no change required at all, right?
 
 Sure, but you can't do that in the Debian util-vserver package. :) Can't
 touch other package config files.  That's one of the reasons why I think
 it shouldn't be the Debian's packages problem- let the user handle it,
 it's not that big of a deal...
 
  so I see no issue there, as I said, just unconfigure
  that 'hardware' related service like the others 
  (random, rtc, usb ...)
 
 Again, a Debian util-vserver package couldn't do that due to sane policy
 issues.  It'd be nice if we didn't have to worry about it because the
 kernel/vserver patch took care of it, but otherwise I think the user can
 handle it and maybe we could have some stuff in README.Debian about it.

you got that one wrong, the service is working fine
on the host, it's the guest setup which doesn't allow
for those services, and this IMHO has to be configured
at guest installation anyway (otherwise you end up with
a lot of error messages, when the vserver tries to access
the hardware, configure the usb disks or set the system 
time) ...

so I really, really, dont see any issues with disabling
klogd (runlevel service that is) for a guest when it is
isntalled, and this will solve the klogd issues in the
guest (there should be none on the host, if so then it's
a bug and we will try to fix it ...)

   Stephen

best,
Herbert

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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Enrico Scholz
[EMAIL PROTECTED] (Stephen Frost) writes:

  Alright, then maybe a -legacy or some such package, or just a really
  stern warning at the start of all the -legacy stuff saying this is
  legacy, you shouldn't be using it, or just don't distribute it at all
  (my personal favorite).
 
 the thing is, many people have existing 2.4 vservers and want to
 see 'some' migration path, and telling them sorry, you are out of
 luck isn't the way we want to go there ... so the legacy stuff
 _is_ important ...
 ...
 Perhaps, I just don't like releasing legacy tools.  How difficult is it
 to move to the new tools?  Are the 'new' vservers the 2.6 ones, and the
 'old' vservers the 2.4 ones, or can you have 'new' 2.4 vservers?

My production vservers have only the new style on 2.4 kernels, and
(at least on my side) the alpha utils are more tested for 2.4 than for
2.6.  But expressing a formal migration path from old style is
difficultly. It is more than converting the configuration-file:

* as the init-script handling is more strict in 'alpha' tools, you have
  to do some hacks manually (e.g. replacing /etc/init.d/halt, make sure
  that /etc/rc.d/rc.sysconfig succeeds, disable some init-scripts)

* you will have to convert the old, human-written vserver.sh
  script. Filesystem-mounting (a common task there) is now done
  natively.

* perhaps not an issue for Debian, but the old 'vrpm' does not work
  anymore: this method corresponds to the new external
  package-management which requires lot of additional configuration
  data.

I tried to keep some vservers with the old style where I could test
migration methods with. But unfortunately, the harddisk died and I
created them from scratch with the new method ;)




Enrico
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Re: [Vserver] packaging review for new Debian packages

2004-12-27 Thread Enrico Scholz
[EMAIL PROTECTED] (Stephen Frost) writes:

  and that it perhaps shouldn't even be packaged at all
 
 No, things like $PACKAGE_VERSION are changing with every version and
 must be told to the single scripts. Same holds for the configured paths.

 So, it's used by scripts *and* is compiled into programs?

Yes; e.g.

,--- pathconfig.h.pathsubst ---
| #define MOUNT_PROG@MOUNT@

,--- src/secure-mount.c ---
|   if (mount_prog==0) mount_prog = MOUNT_PROG;
| ...
| execv(mount_prog, const_cast(char **)(argv));


Or

| $ strings /usr/lib/libvserver.so
| ...
| /vservers/.pkg
| /etc/vservers/.defaults/run.rev



 I'm thinking it might go in /usr/share/util-vserver then, since it's
 not system-dependent

it is system-dependent; e.g. on i386 it has

| PKGLIBDIR='/usr/lib/util-vserver'

x86_64 would have

| PKGLIBDIR='/usr/lib64/util-vserver'


 and isn't configurable.  The other option would be /usr/lib/util-vserver,
 either would be fine with me.

it is expected in /usr/lib/util-vserver by default.


 * execve(2) is more efficiently than execvp(3)

 Is there something in here that actually would notice from such a
 change?  Seriously, is there *really* some benefit here for an end user
 or is this just a lame excuse thrown in at the end? :P

using execvp(3) would mean:
* trusting in $PATH that it contains the wanted path (this has to deal
  with packaging philosophies also which expect all 3rd party apps
  under /opt/name) -- /etc/profile.d/* et.al. must be executed
  before everything else
* trusting in $PATH that it contains not too much (e.g. no '.'); we are
  operating in hostile environments (guest-servers) -- sanity checks
  for $PATH are required
* iterating over all elements of $PATH and try execve() there


With execve(2) you do not have these problems and both coding and
runtime-executing is more efficiently.

I do not see an advantage in guessing paths with execvp(3) over and over
again, when they can be determined at buildtime.


 [ ... util-vserver.spec ...]
  Sounds like maybe it shouldn't be shipped in the release tarball
  then..
 
 No, it must be shipped. Else 'rpmbuild -ta util-vserver...tar.bz2' would
 not work anymore.

 Hrmpf.  Then can we just not delete it in make clean?

I will think about this; but I still do not understand the problem
there.




Enrico
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[Vserver] packaging review for new Debian packages

2004-12-26 Thread Kilian Krause
Hi Enrico,

Hans Ulrich Niedermann and me have started reviewing the debian package
and put up some agenda we think should be clarified to ease packaging
(not only on Debian).

The TODO file with our questions can be found at
http://backend.verfaction.de/~kk/util-vserver/TODO alongside with
preliminary alpha debs which can be used with
deb http://backend.verfaction.de/~kk/util-vserver/ ./ in
sources.list.. Comments and feedback are welcome.

We'd appreciate if you could go through the TODO and help us with the
open questions.

The linda and lintian reports plus the build log are also in that
directory. 

-- 
Best regards,
 Kilian


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Re: [Vserver] packaging review for new Debian packages

2004-12-26 Thread Herbert Poetzl
On Mon, Dec 27, 2004 at 02:36:24AM +0100, Kilian Krause wrote:
 Hi Enrico,
 
 Hans Ulrich Niedermann and me have started reviewing the debian package
 and put up some agenda we think should be clarified to ease packaging
 (not only on Debian).
 
 The TODO file with our questions can be found at
 http://backend.verfaction.de/~kk/util-vserver/TODO alongside with
 preliminary alpha debs which can be used with
 deb http://backend.verfaction.de/~kk/util-vserver/ ./ in
 sources.list.. Comments and feedback are welcome.

okay, here the list, so that I can comment ...
---

| * A lot of programs don't have documentation. Add man pages in DocBook?
|   - chxid
|   - exec-cd
|   - lsxid
|   - setattr
|   - showattr
|   - vapt-get
|   - vattribute
|   - vcontext
|   - vdu
|   - vfiles
|   - vkill
|   - vlimit
|   - vnamespace
|   - vrpm
|   - vrsetup
|   - vsched
|   - vserver-info
|   - vshelper
|   - vuname
| 
| * pkglibdir is /usr/lib/util-vserver instead of /var/lib/util-vserver
| 
| * /etc/vserver/util-vserver-vars VROOTDIR doesn't affect 
|   DEFAULT_VSERVERDIR='/var/lib/vservers'
|   DEFAULT_VSERVERPKGDIR='/var/lib/vservers/.pkg'
| 
| * util-vserver contains a large number of utilities - binaries and
|   shell scripts. These utilities serve different purposes and belong
|   to different conceptual layers.
| 
|   It appears there is or may be:
| 
| a) Stuff for basic administration.
|Command line interfaces to the vserver syscalls and the like.

yes, they are part of the lib and core packages 
(on rpm based systems)

| b) Higher-level stuff.
| 
|I)   Used only on host   systems.
| Like rebootmgr, vserver start and stop scripts, etc.

rebootmanager is obsoleted since a long time 
(it was replaced by vshelper)

|II)  Used only on  guest systems.
| Is there something like this?

not that I know of ... at least not in recent systems

|III) Used on both host and guest systems.
| Is there something like this? lsxid? chxid?

not that I know of either ...

|- Which are the binaries for each group and have we listed all
|  groups? 

|- How should the packaging devide up the groups most conveniently?

util-vserver-0.30.196
util-vserver-lib-0.30.196
util-vserver-sysv-0.30.196
util-vserver-core-0.30.196
util-vserver-build-0.30.196
util-vserver-legacy-0.30.196

|- Very likely a shared lib package should be included only once if
|  there is more than one binary package.
| 
| * guest systems cannot run klogd (because there is only one kernel and
|   the klogd thus is best addressed in the host system).
|   So a distribution has to ship an empty dummy package to satisfy the
|   packages which depend on klogd (Debian: linux-kernel-log-daemon).

hmm, this is a kernel issue, and maybe we can solve
that at this level (by providing a fake or empty
connection point for klogd) but IMHO it would be best
to break up the syslog package into syslogd and klogd
(which would render this point obsolete)

| * Both /usr/include/ and /usr/lib/pkgconfig/ are installed by
|   default. What is include/vserver.h installed for?!
|   Do we need a -dev package?
| 
| * Is the api documentation to be split into a separate -doc package?
| 
| * Repeatedly calling rebootmgr start starts multiple processes.
|   This is bad.

as I said, rebootmgr is obsoleted, don't use it
don't package it, just let it die in peace ...

| * Is there up-to-date documentation for /etc/vservers/NAME/* ?

included as xml file in the source of util-vserver

| * It would be very convenient if upstream could ship the graphviz
|   output with the releases, such that building for Debian doesn't
|   require graphviz.  (graphviz is marked non-free in Debian and thus
|   would force util-vserver from main into contrib).  Pre-building the
|   graphviz output in the (maintainer-mode?) dist-target should be easy
|   enough not not allow this to happen.
| 
|   Is it necessary for the entire doc target to be rebuilt at
|   packaging time? If this could be moved to the dist target as well,
|   that would speed up the packaging even more.
| 
| * What is recommended for packaging, running both install and
|   install-distribution (along with make all doc) or just make install?
| 
| * The distclean target does also remove util-vserver.spec which is
|   shipped in the release tarball.
|   Perhaps make distcheck and the resulting cleanups would help.
| 
| * There is a number of compile warnings. Some of them sound
|   like they should be fixed. Are they ok as can be seen at:
|   http://backend.verfaction.de/~kk/util-vserver/buildlog_stderr.log

probably heavily depends on the used compiler ...

| * The current Debian package removes the following files before
|   packaging, which upstream's make install install-distribution
|   installs:
| 
|   rm -f $(CURDIR)/debian/util-vserver/usr/lib/*.la
|   # have to remove v_ init 

Re: [Vserver] packaging review for new Debian packages

2004-12-26 Thread Kilian Krause
Re,

-(snip)-
 rebootmanager is obsoleted since a long time 
 (it was replaced by vshelper)

ok, fine. yet the make install or make install-distribution does still
yield it. That's nothing i would copy within the debian/rules.

 |- How should the packaging devide up the groups most conveniently?
 
 util-vserver-0.30.196
 util-vserver-lib-0.30.196
 util-vserver-sysv-0.30.196
 util-vserver-core-0.30.196
 util-vserver-build-0.30.196
 util-vserver-legacy-0.30.196

ok, we'll try to bring that to the debs. Is there a list which files
should go into which of these packages?

 | * guest systems cannot run klogd (because there is only one kernel and
 |   the klogd thus is best addressed in the host system).
 |   So a distribution has to ship an empty dummy package to satisfy the
 |   packages which depend on klogd (Debian: linux-kernel-log-daemon).
 
 hmm, this is a kernel issue, and maybe we can solve
 that at this level (by providing a fake or empty
 connection point for klogd) but IMHO it would be best
 to break up the syslog package into syslogd and klogd
 (which would render this point obsolete)

is already the case for debian. the linux-kernel-log-daemon is the
virtual package for a klogd (as opposed to sysklogd | system-log-daemon)

 | * Repeatedly calling rebootmgr start starts multiple processes.
 |   This is bad.
 
 as I said, rebootmgr is obsoleted, don't use it
 don't package it, just let it die in peace ...

It's not that we'd have requested it. The alpha tools still ship it. =)

The list of files contained in the package can be found in the lower
part of:
http://backend.verfaction.de/~kk/util-vserver/util-vserver_0.30.196.build

where it reads 
chroot-unstable/build/wanna-build/util-vserver_0.30.196-1_i386.deb:...

 | * Is there a script to convert existing chroots into vservers yet? If
 |   not, what's the closest we can get to write one from the newvserver
 |   lower half? 
 
 newvserver is not part of the utils IIRC, but
 basically you can take a chroot as it is, add
 the appropriate config, move it in place (or not)
 and start any application within a context ...

which is why i had quoted it like newserver for i know it's no longer
current. The idea was though to just create a vserver config file
in /etc/vserver/ and all else it takes to make it vserver-bootable from
a given chroot without moving it around. Like running the skeleton
installer upon a given chroot dir which is then probed for the needed
binaries/scripts. (so far the idea *g*)

-- 
Best regards,
 Kilian


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