Package: isc-dhcp-client
Version: 4.1.0-1
Severity: important
Hi,
I know that isc-dhcp-client is still in experimental. However, I think
that concerns that I raise here must be handle before a package is uploaded
in unstable.
With this version, you change the location of configuration files. In
particular, /etc/dhcp3/dhclient-{enter,exit}-hooks.d/ is changed into
/etc/dhcp/dhclient-{enter,exit}-hooks.d/
The problem is that external packages are using the previous location. When
installing the new isc-dhcp-client, some features (avahi, ...) are not here
anymore and other are broken (DNS with resolvconf, see below from this
particular problem)
If you decide to maintain this new location, I think you should clone this
bug report to each package shipping files in
/etc/dhcp3/dhclient-{enter,exit}-hooks.d/ and asking them to copy/symlink/...
their files into /etc/dhcp/dhclient-{enter,exit}-hooks.d/
Then, you should Breaks (or Conflicts) all packages that ship file in dhcp3 and
not in dhcp (ie something like
Breaks: avahi-autoipd (<= last_version_without_/etc/dhcp/_files)
)
With resolvconf, the problem is even more serious. ie, installing the current
isc-dhcp-client breaks the DNS but removing (and reinstalling dhcp3-client)
does not solve the problem.
Here is what happens:
* isc-dhcp-client is installed, no /etc/dhcp/dhclient-enter-hooks.d/resolvconf
is present.
=> on lease acquisition, /etc/resolv.conf is rewriten with internal scripts
breaking the symlink to /etc/resolvconf/run/resolv.conf
* I added /etc/dhcp/dhclient-enter-hooks.d/resolvconf (copied from
/etc/dhcp3/dhclient-enter-hooks.d/resolvconf)
=> /etc/resolvconf/run/resolv.conf is now correctly updated but
/etc/resolv.conf has been changed and is a plain file now
* So DNS servers are incorrect and never updated anymore is /etc/resolv.conf
=> users must manually recreate the /etc/resolv.conf symlink (not really a
problem for an experimental package)
This explain why it is important that there must never be a resolvconf package
installed (or even unpacked ?) without
/etc/dhcp/dhclient-enter-hooks.d/resolvconf together with the isc-dhcp-client
package. The dependency on your package must ensure this (and a new resolvconf
package must provide a /etc/dhcp/dhclient-enter-hooks.d/resolvconf is you
maintain this path change)
Regards,
Vincent (that will switch back to dhcp3-client for now)
-- System Information:
Debian Release: squeeze/sid
APT prefers oldstable
APT policy: (500, 'oldstable'), (500, 'unstable'), (500, 'testing'), (500,
'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.31-rc6-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages isc-dhcp-client depends on:
ii debianutils 3.2.1 Miscellaneous utilities specific t
ii ifupdown 0.6.9 high level tools to configure netw
ii isc-dhcp-common 4.1.0-1 common files used by all the isc-d
ii libc6 2.9-26 GNU C Library: Shared libraries
ii libssl0.9.8 0.9.8k-5 SSL shared libraries
isc-dhcp-client recommends no packages.
Versions of packages isc-dhcp-client suggests:
ii avahi-autoipd 0.6.25-1 Avahi IPv4LL network address confi
ii resolvconf 1.45 name server information handler
-- no debconf information
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