[Bug 1736965] Re: "netplan apply" does not set file mode, umask 077 causes systemd-networkd to be unable to start

[Launchpad Bug Tracker]

This bug was fixed in the package netplan.io - 0.40

---------------
netplan.io (0.40) cosmic; urgency=medium

  * New upstream release:
    - networkd: route source is PreferredSource= not From=
    - Improve NetworkManager error reporting on unrenderable routes.
    - Don't render ipv4 dns-search unless we have an ipv4 address.
      (LP: #1786726)
    - Set permissive umask on networkd .network, .link and .netdev files
      (LP: #1736965, LP: #1768560)
    - Fix support for link-scope routes. (LP: #1747455)
    - Update man pages for deletion of replug code.
    - Spell Gratuitous ARP correctly and make it work. (LP: #1756701)
    - Many typo fixes for documentation. (LP: #1783940)
    - Various build system fixes.
    - Fix integration tests:
      - iproute2 output changes for link-scope routes
      - fix stability of networkd igmp-resend test
      - fix manual_addresses test now that networkd lists ~. domain
    - Deduplicate code for parsing interface options
    - Add support for optional-addresses.

 -- Mathieu Trudel-Lapierre <cyphermox at ubuntu.com>  Thu, 13 Sep 2018
17:29:41 -0400

** Changed in: netplan.io (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1736965

Title:
  "netplan apply" does not set file mode, umask 077 causes systemd-
  networkd to be unable to start

Status in netplan.io package in Ubuntu:
  Fix Released
Status in nplan package in Ubuntu:
  Confirmed

Bug description:
  If you set your UMASK in /etc/login.defs to 077 then after running "netplan apply" systemd-networkd won't be able to read its configuration files and start:
  systemd-networkd[2826]: Could not load configuration files: Permission denied

  Annoyingly to report such a thing as bug you need a proper network
  connection with working DNS before you submit in ubuntu-bug or it will
  just quit and lose the report. A workaround seems to be to run
  "ubuntu-bug nplan" then in another terminal run "umask 022" then
  "netplan apply" before submitting.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: nplan 0.30
  ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
  Uname: Linux 4.13.0-17-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.5
  Architecture: amd64
  Date: Thu Dec  7 10:20:37 2017
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=screen
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: nplan
  UpgradeStatus: No upgrade log present (probably fresh install)

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