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[Bug 1635256] Re: [xenial] search domains in networkd do not get propagated to resolvconf

 

This bug was fixed in the package systemd - 229-4ubuntu12

---------------
systemd (229-4ubuntu12) xenial; urgency=medium

  * unit: sent change signal before removing the unit if necessary
    (LP: #1632964)
  * networkd: Fix assertion crash on adding VTI with IPv6 addresses
    (LP: #1633274)
  * systemd-networkd-resolvconf-update.service: Propagate search domains
    (LP: #1635256)

 -- Martin Pitt <martin.pitt@xxxxxxxxxx>  Wed, 26 Oct 2016 13:18:42
+0200

** Changed in: systemd (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1635256

Title:
  [xenial] search domains in networkd do not get propagated to
  resolvconf

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Xenial:
  Fix Released

Bug description:
  Search domains specified in networkd do not get propagated to
  /etc/resolv.conf via resolved in xenial, as systemd-networkd-
  resolvconf-update.service only tells resolvconf about DNS servers.
  This is not an issue any more in yakkety and zesty as that uses
  resolved and that unit is gone.

  This was uncovered while working on adding nameserver support to
  netplan, in bug 1626617. To fully support netplan/networkd in xenial
  we should fix this.

  SRU TEST CASE:
   * Start a xenial VM or container, and  create a networkd interface with a DNS server and search domain:

  $ cat /etc/systemd/network/foo.netdev
  [NetDev]
  Name=foo
  Kind=dummy

  $ cat /etc/systemd/network/foo.network
  [Match]
  Name=foo

  [Network]
  DNS=1.2.3.4
  Domains=kitchen cellar

   * sudo systemctl restart systemd-networkd

   * cat /etc/resolv.conf

  resolv.conf should have "nameserver 1.2.3.4" (unless there already are
  three nameservers), but with the current xenial version it lacks
  "search kitchen cellar". With the -proposed version, both entries
  should be there.

  REGRESSION POTENTIAL: This makes the shell hack of systemd-networkd-
  resolvconf-update.service even worse, so errors in it could break the
  existing "nameserver" integration of networkd with resolved. On xenial
  this is only really relevant with netplan and snappy (see bug
  1626617), so the number of installations that actually use this in the
  field should be low. But this is simple enough to test in isolation,
  systemd's autopkgtest already cover the "nameserver" resolvconf
  integration, and netplan's autopkgtest now cover both "nameserver" and
  "search". So overall the regression potential is very limited.

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References