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Bug#367264: marked as done (mapping clause now useless; please remove)

Your message dated Thu, 15 Jun 2006 16:47:13 -0700
with message-id <E1Fr1YP-0002R1-A3@spohr.debian.org>
and subject line Bug#367264: fixed in netcfg 1.27
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Debian bug tracking system administrator
(administrator, Debian Bugs database)
--- Begin Message --- 
Package: netcfg
Severity: normal

A bit of history for reference can be found in bug #340935 .

If the interface set up should be brought up upon detection by a 
hotplugging mechanism, netcfg inserts the following clause into the 
generated /etc/network/interfaces file:

# This is a list of hotpluggable network interfaces.
# They will be activated automatically by the hotplug subsystem.
mapping eth0
	script grep
	map eth0

(This is written by netcfg_write_common() in netcfg-common.c.)

Now, I believe this is cruft code left over from the old hotplugging 
system. I believe that the way it used to work was that you would have 
something like...

# This is a list of hotpluggable network interfaces.
# They will be activated automatically by the hotplug subsystem.
mapping hotplug
	script grep
	map eth0
	map eth2

Then, when the first network was hotplugged, hotplug would go

ifup eth0=hotplug

ifup would look through /etc/network/interfaces looking for the 
definition of the logical interface hotplug. It would find the mapping 
clause and would proceed to call the script named by the script 
definition with the physical interface as the argument and it would send 
the lines marked by map to its standard input. That is, it would see 
hotplug was a mapping logical interface, it would call

grep eth0

and write to grep's standard input

eth0
eth2

At this point, grep would return the line

eth0

which ifup would use then as the logical interface to bring up the 
physical eth0 as. (That is, ifup would transform ifup eth0=hotplug into 
ifup eth0=eth0.)

Note that the same thing would be done for eth2.

Note however, that upon hotplugging the second network card, physical 
interface eth1, ifup eth1=hotplug would get nothing back from grep. ifup 
would take this as a sign that eth1 should not be brought up under the 
current conditions.

(This is why the comment says that the mapping clause is there to 
contain a list of hotpluggable interfaces.)

Unfortunately, all of this was lost in the fix to shift to allow-hotplug 
to mark hotpluggable interfaces (see the bug referenced above). Now 
we're left with netcfg putting a totally useless mapping clause with an 
utterly confusing associated comment into the default installed 
/etc/network/interfaces...

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.16-1-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

--- End Message ---
--- Begin Message --- 
Source: netcfg
Source-Version: 1.27

We believe that the bug you reported is fixed in the latest version of
netcfg, which is due to be installed in the Debian FTP archive:

netcfg-static_1.27_i386.udeb
  to pool/main/n/netcfg/netcfg-static_1.27_i386.udeb
netcfg_1.27.dsc
  to pool/main/n/netcfg/netcfg_1.27.dsc
netcfg_1.27.tar.gz
  to pool/main/n/netcfg/netcfg_1.27.tar.gz
netcfg_1.27_i386.udeb
  to pool/main/n/netcfg/netcfg_1.27_i386.udeb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 367264@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Joey Hess <joeyh@debian.org> (supplier of updated netcfg package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.7
Date: Thu, 15 Jun 2006 19:21:13 -0400
Source: netcfg
Binary: netcfg-static netcfg
Architecture: source i386
Version: 1.27
Distribution: unstable
Urgency: low
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Joey Hess <joeyh@debian.org>
Description: 
 netcfg     - Configure the network (udeb)
 netcfg-static - Configure a static network (udeb)
Closes: 367264
Changes: 
 netcfg (1.27) unstable; urgency=low
 .
   * Remove the now useless mapping clause from the interfaces file.
     Closes: #367264
Files: 
 4a79e1432215aa8fbea183d551e2150a 948 debian-installer optional netcfg_1.27.dsc
 d7d35e29771c095258c88e0675fb5c5a 316132 debian-installer optional netcfg_1.27.tar.gz
 fd4c94a7bf1b2b09475d7c02bc29a247 258944 debian-installer optional netcfg_1.27_i386.udeb
 e3f2afe33759757de2cb730ba271a6c3 199870 debian-installer optional netcfg-static_1.27_i386.udeb
Package-Type: udeb

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--- End Message ---
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