[Bug 1975678] Re: Netplan generates the wrong YAML value when setting activation-mode=off

[Lukas Märdian]

** Also affects: netplan.io (Ubuntu Impish)
   Importance: Undecided
       Status: New

** Also affects: netplan.io (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: netplan.io (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: netplan.io (Ubuntu Kinetic)
   Importance: Undecided
       Status: New

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to netplan.io in Ubuntu.
Matching subscriptions: foundations-bugs
https://bugs.launchpad.net/bugs/1975678

Title:
  Netplan generates the wrong YAML value when setting activation-
  mode=off

Status in netplan.io package in Ubuntu:
  Triaged
Status in netplan.io source package in Focal:
  Triaged
Status in netplan.io source package in Impish:
  New
Status in netplan.io source package in Jammy:
  New
Status in netplan.io source package in Kinetic:
  Triaged

Bug description:
  When setting activation-mode=off on Ubuntu 20.04/Ubuntu Core 20,
  netplan generates the incorrect value in the YAML file (activation-
  mode: false), causing it to fail due to incorrect syntax.

  $ sudo netplan set ethernets.eth0.activation-mode=off
  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 247, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/set.py", line 55, in run
      self.run_command()
    File "/usr/share/netplan/netplan/cli/utils.py", line 247, in run_command
      self.func()
    File "/usr/share/netplan/netplan/cli/commands/set.py", line 126, in command_set
      self.write_file(subtree, hint + '.yaml', self.root_dir)
    File "/usr/share/netplan/netplan/cli/commands/set.py", line 193, in write_file
      libnetplan.netplan_parse(tmpp)
    File "/usr/share/netplan/netplan/libnetplan.py", line 64, in netplan_parse
      raise Exception(err.contents.message.decode('utf-8'))
  Exception: /tmp/netplan-set_o73ewgp4/etc/netplan/50-cloud-init.yaml:4:24: Error in network definition: Value of 'activation-mode' needs to be 'manual' or 'off'
        activation-mode: false
                         ^

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1975678/+subscriptions