[Bug 1962095] Re: netplan apply fails on 22.04 with clean yaml

[rawad]

Hello

i have encountered this as well on a physical server, on a vmware vm
issue does not occur, i do not specify network settings in my
autoinstall at all in general, but:

to bypass the crash (as a temporary workaround) i noticed you can make
the network section interactive by adding to your user-data file:

interactive-sections:
    - network


this way you just press confirm of network settings in this step manually (without any configuration needed)
and the rest of the install continues automatically without crashing.
hope this helps you out for now.

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Title:
  netplan apply fails on 22.04 with clean yaml

Status in netplan.io package in Ubuntu:
  Triaged
Status in subiquity package in Ubuntu:
  New

Bug description:
  Ubuntu 22.04 clean server iso install with default yaml using dhcp

  -------------
  # This is the network config written by 'subiquity'
  network:
    ethernets:
      eno1:
        dhcp4: true
      enp4s0:
        dhcp4: true
    version: 2
  -------------

  netplan --debug generate is green. yaml is perfect

  --------------
  root at cube1:/etc/netplan# netplan --debug generate
  DEBUG:command generate: running ['/lib/netplan/generate']
  ** (generate:65883): DEBUG: 02:01:05.691: starting new processing pass
  ** (generate:65883): DEBUG: 02:01:05.691: We have some netdefs, pass them through a final round of validation
  ** (generate:65883): DEBUG: 02:01:05.691: eno1: setting default backend to 1
  ** (generate:65883): DEBUG: 02:01:05.691: Configuration is valid
  ** (generate:65883): DEBUG: 02:01:05.691: enp4s0: setting default backend to 1
  ** (generate:65883): DEBUG: 02:01:05.691: Configuration is valid
  ** (generate:65883): DEBUG: 02:01:05.691: Generating output files..
  ** (generate:65883): DEBUG: 02:01:05.691: openvswitch: definition eno1 is not for us (backend 1)
  ** (generate:65883): DEBUG: 02:01:05.691: NetworkManager: definition eno1 is not for us (backend 1)
  ** (generate:65883): DEBUG: 02:01:05.691: openvswitch: definition enp4s0 is not for us (backend 1)
  ** (generate:65883): DEBUG: 02:01:05.691: NetworkManager: definition enp4s0 is not for us (backend 1)
  ----------------

  execute netplan apply/try will fail

  ----------------
  Failed to reload network settings: No such file or directory
  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 244, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/apply.py", line 61, in run
      self.run_command()
    File "/usr/share/netplan/netplan/cli/utils.py", line 244, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/apply.py", line 255, in command_apply
      utils.networkctl_reconfigure(utils.networkd_interfaces())
    File "/usr/share/netplan/netplan/cli/utils.py", line 103, in networkctl_reconfigure
      subprocess.check_call(['networkctl', 'reload'])
    File "/usr/lib/python3.9/subprocess.py", line 373, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['networkctl', 'reload']' returned non-zero exit status 1.
  ----------------

  
  ubuntu forum thread:

  https://ubuntuforums.org/showthread.php?t=2472318

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