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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https://bugs.launchpad.net/cloud-init/+bug/1849296/+subscriptions
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