[Bug 1563296] Re: cloud-init 0.7.7~bzr1189-0ubuntu1 adds duplicated network config in /etc/network/interfaces.d/ in snappy leaving the boot completely network-less

[Oliver Grawert]

** Also affects: livecd-rootfs (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: livecd-rootfs (Ubuntu)
       Status: New => Confirmed

** Changed in: livecd-rootfs (Ubuntu)
   Importance: Undecided => High

** Changed in: livecd-rootfs (Ubuntu)
     Assignee: (unassigned) => Oliver Grawert (ogra)

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Title:
  cloud-init 0.7.7~bzr1189-0ubuntu1 adds duplicated network config in
  /etc/network/interfaces.d/ in snappy leaving the boot completely
  network-less

Status in Snappy:
  New
Status in cloud-init package in Ubuntu:
  Confirmed
Status in livecd-rootfs package in Ubuntu:
  Confirmed

Bug description:
  snappy configures /etc/network/interfaces.d/ by default on first boot
  based on snappy config settings of the ubuntu-core snap

  with version  0.7.7~bzr1189-0ubuntu1 cloud-init now starts to also
  create a file called 50-cloud-init.cfg with differing options to teh
  snappy default, this breaks ifup on boot and leaves snappy systems
  completely without network after upgrade.

  ubuntu at localhost:~$ ls -l /etc/network/interfaces.d/
  total 8
  -rw-r--r-- 1 root root 64 Mar 28 09:23 50-cloud-init.cfg
  -rw-r--r-- 1 root root 40 Mar 28 09:19 eth0

  ubuntu at localhost:~$ cat /etc/network/interfaces.d/50-cloud-init.cfg 
  auto lo
  iface lo inet loopback

  auto eth0
  iface eth0 inet dhcp

  ubuntu at localhost:~$ cat /etc/network/interfaces.d/eth0 
  allow-hotplug eth0
  iface eth0 inet dhcp

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