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

 

This bug was fixed in the package isc-dhcp - 4.3.5-3ubuntu2

---------------
isc-dhcp (4.3.5-3ubuntu2) artful; urgency=medium

  * debian/initramfs-tools/lib/etc/dhcp/dhclient-enter-hooks.d/config: fix the
    logic for handling search domains to also write it to the output file when
    only the domain name is provided by the DHCP server. Copied code from
    debian/dhclient-script.linux. (LP: #1713747)

 -- Mathieu Trudel-Lapierre <cyphermox@xxxxxxxxxx>  Thu, 14 Sep 2017
15:41:06 -0700

** Changed in: isc-dhcp (Ubuntu)
       Status: In Progress => Fix Released

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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:
  Triaged

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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