yahoo-eng-team team mailing list archive

[Robert Schweikert <1849296@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

User changes applied by cloud-init to /etc/resolv.conf may get
clobbered.

The netconfig tool manages a symlink from /etc/resolv.conf to
/var/run/netconfig/resolv.conf. When cloud-init writes dns information
it opens the file, i.e. in this case /var/run/netconfig/resolv.conf as
it is pointed to by /etc/resolv.conf and writes the dns information.
However since netconfig only watches for the symlink to be present and
not the content of the file it will clobber the information written by
cloud-init.

** Affects: cloud-init
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1849296

Title:
  reslov.conf gets clobbered

Status in cloud-init:
  New

Bug description:
  User changes applied by cloud-init to /etc/resolv.conf may get
  clobbered.

  The netconfig tool manages a symlink from /etc/resolv.conf to
  /var/run/netconfig/resolv.conf. When cloud-init writes dns information
  it opens the file, i.e. in this case /var/run/netconfig/resolv.conf as
  it is pointed to by /etc/resolv.conf and writes the dns information.
  However since netconfig only watches for the symlink to be present and
  not the content of the file it will clobber the information written by
  cloud-init.

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