[Bug 1913062] Re: netplan apply backtrace

[Lukas Märdian]

This has been released in 0.102, I forgot to update the status of this
bug report. It also landed in focal-updates.

Please re-open if you still see this issue.

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

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Title:
  netplan apply backtrace

Status in netplan.io package in Ubuntu:
  Fix Released

Bug description:
  I am getting backtrace when executing netplan apply with default
  configuration on oracle cloud:

  root at vpsoc:~# cat /etc/netplan/50-cloud-init.yaml
  # This file is generated from information provided by the datasource.  Changes
  # to it will not persist across an instance reboot.  To disable cloud-init's
  # network configuration capabilities, write a file
  # /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
  # network: {config: disabled}
  network:
      ethernets:
          ens3:
              dhcp4: true
              match:
                  macaddress: [redacted]
              set-name: ens3
      version: 2
  root at vpsoc:~# ll /etc/netplan/
  total 12
  drwxr-xr-x   2 root root 4096 Jan 25 16:28 ./
  drwxr-xr-x 109 root root 4096 Jan 23 06:41 ../
  -rw-r--r--   1 root root  481 Jun  4  2020 50-cloud-init.yaml
  root at vpsoc:~# netplan apply
  Traceback (most recent call last):
    File "/usr/sbin/netplan", line 23, in <module>
      netplan.main()
    File "/usr/share/netplan/netplan/cli/core.py", line 50, in main
      self.run_command()
    File "/usr/share/netplan/netplan/cli/utils.py", line 257, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/apply.py", line 55, in run
      self.run_command()
    File "/usr/share/netplan/netplan/cli/utils.py", line 257, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/apply.py", line 187, in command_apply
      changes = NetplanApply.process_link_changes(devices, config_manager)
    File "/usr/share/netplan/netplan/cli/commands/apply.py", line 283, in process_link_changes
      current_iface_name = utils.find_matching_iface(interfaces, match)
    File "/usr/share/netplan/netplan/cli/utils.py", line 199, in find_matching_iface
      matches = list(filter(lambda iface: is_interface_matching_macaddress(iface, match.get('macaddress')), matches))
    File "/usr/share/netplan/netplan/cli/utils.py", line 199, in <lambda>
      matches = list(filter(lambda iface: is_interface_matching_macaddress(iface, match.get('macaddress')), matches))
    File "/usr/share/netplan/netplan/cli/utils.py", line 185, in is_interface_matching_macaddress
      macaddress = get_interface_macaddress(interface)
    File "/usr/share/netplan/netplan/cli/utils.py", line 169, in get_interface_macaddress
      link = netifaces.ifaddresses(interface)[netifaces.AF_LINK][0]
  KeyError: 17

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: netplan.io 0.101-0ubuntu3~20.04.2
  ProcVersionSignature: Ubuntu 5.4.0-1035.38-oracle 5.4.78
  Uname: Linux 5.4.0-1035-oracle x86_64
  ApportVersion: 2.20.11-0ubuntu27.14
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Mon Jan 25 16:32:04 2021
  ProcEnviron:
   SHELL=/bin/bash
   LANG=C.UTF-8
   TERM=screen.xterm-256color
   PATH=(custom, no user)
  SourcePackage: netplan.io
  UpgradeStatus: No upgrade log present (probably fresh install)

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