touch-packages team mailing list archive

[Scott Moser <smoser@xxxxxxxxxx>]

Thomas,
 Yeah, you're right about 'manual <devname>'.  Seems unnecessary.

wrt you not reproducing it, I'm seeing the issue 
a.) when using systemd as init
b.) when configuring networking from the initramfs

the interface being used is already up, and in this case cant be bounced
when init runs from the root. It can't be bounced because its on iscsi.

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https://bugs.launchpad.net/bugs/1432829

Title:
  resolvconf not updated correctly for interfaces configured in
  initramfs

Status in resolvconf package in Ubuntu:
  New

Bug description:
  maas images utilize cloud-initramfs-dyn-netconf . The way this works is basically:
   * /etc/network/interfaces in image is a link to ../../run/network/dynamic-interfaces
   * kernel command line 'ip=' convince the initramfs to bring up networking using 'ipconfig'
     example: ip=::::maas-enlist:BOOTIF
   * ipconfig writes files in /run/net-*.conf for each interface it configures.
   * cloud-initramfs-dyn-netconf module writes /run/network/dyanmic-interfaces based on /run/net-*.conf files that 'ipconfig' creates.

  end result is that after the move to real root,
  /etc/network/interfaces should be a symlink to /run/ that ends up
  having something like this:

   | ## This file is generated by cloud-initramfs-dyn-netconf
   | auto lo
   | iface lo inet loopback
   | manual eth0
   | iface eth0 inet dhcp
   | dns-nameservers 192.168.64.3
   | dns-search maas

  resolvconf seems not to be working as well as it should be.  In vivid
  (now using systemd), I have only the resolvconf header in the file.

   in all other supported ubuntu releases, doing the above results in functional resolv.conf via resolv.conf. Seen here from trusty:
   | # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
   | #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
   | nameserver 192.168.64.3

  Related Bugs:
   *  bug 1432821: something deleting /run/network after during boot

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: resolvconf 1.69ubuntu1.1
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  Date: Mon Mar 16 20:42:24 2015
  PackageArchitecture: all
  ProcEnviron:
   TERM=vt102
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: resolvconf
  UpgradeStatus: No upgrade log present (probably fresh install)

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