[Bug 1713747] Re: missing DOMAINSEARCH in initramfs output files if the DHCP server doesn't provide one

[Chris J Arges]

Hello Mathieu, or anyone else affected,

Accepted isc-dhcp into zesty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/isc-
dhcp/4.3.5-3ubuntu1.1 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-zesty to verification-done-zesty. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-zesty. In either case, details of your testing
will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: isc-dhcp (Ubuntu Zesty)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-zesty

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https://bugs.launchpad.net/bugs/1713747

Title:
  missing DOMAINSEARCH in initramfs output files if the DHCP server
  doesn't provide one

Status in isc-dhcp package in Ubuntu:
  Fix Released
Status in isc-dhcp source package in Xenial:
  In Progress
Status in isc-dhcp source package in Zesty:
  Fix Committed

Bug description:
  For networked systems, for instance booting with an iSCSI root,
  dhclient writes an output file in the form of /run/net-<iface>.conf
  that contains data for other programs to consume. This allows, for
  instance, open-iscsi to get the right information and properly connect
  to the server to mount the root filesystem.

  It is common for DHCP servers to only provide a domain name value, and
  no search domains. In this case, isc-dhcp doesn't currently write
  DOMAINSEARCH, but people may wish to use short names to resolve things
  (such as in iSCSI server).

  In the not-initramfs dhclient-script, when domain_search isn't
  provided but domain_name is, domain_name is written to the search
  string. If both are provided, domain_search is written. The initramfs
  enter hook should do the same.

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