[Bug 1235169] Re: Fails to read files in /etc/network/interfaces.d/

[Andrew Shadura]

Please reopen if the problem persists.

** Changed in: ifupdown (Ubuntu)
       Status: New => Fix Released

** Changed in: ifupdown (Ubuntu)
     Assignee: (unassigned) => Andrew Shadura (andrew.sh)

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Title:
  Fails to read files in /etc/network/interfaces.d/

Status in “ifupdown” package in Ubuntu:
  Fix Released

Bug description:
  0.7.44ubuntu3 on Saucy 13.10 amd64.

  On a multi-homed server with five ethernet interfaces we have 6
  'interfaces' files in '/etc/network/interfaces.d/' for 'lo' and 'eth0'
  through 'eth4'.

  ifup -a fails to include the contents of these files and consequently
  the interfaces are ignored.

  "strace" reveals that when scanning the 'interfaces.d' directory
  ifupdown is using the "openat()" function which does an integral
  change-directory. It gets the list of files correctly and "closes()"
  the directory. It then does "open()" on each validly named file but
  gets  -ENOENT result because it forgets to prefix the file-name with
  the 'interfaces.d/' directory - so it is looking in the current
  working directory rather than '/etc/network/interfaces.d/'.

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