[Bug 1762178] [NEW] Poor documentation of netplan.io

[Hadmut Danisch]

Public bug reported:

Hi,

I just tested a beta release of 18.04 and read the release notes and
found ifupdown to be replaced by netplan.io.

This does not look like production-ready, the documentation is
insufficient, especially about migration from earlier ubuntu versions.

- There's a file /etc/netplan/01-network-manger-all.yaml, which just
says that all devices are managed by NetworkManager. But the
Networkmanager just offers configuration for Hardware and VPN, not for
bridges. Although I found some syntax hints in the internet, it is
anything but obvious what ubuntu's intended clean way of configuring
virtual interfaces, bridges and things like that is.


- There is no hint about what happens with /etc/network/if*.d scripts. Are they still executed? Should one make a /etc/Networkmanager/dispatcher.d script out of it? Or rather a systemd service?

There are still some packages coming with /etc/network/if*.d scripts.
Will these work or are these packages broken then?


- Both Networkmanager and systemd have limitations and problems and
cause trouble. What happens if one installs ifupdown? Will that break
anything?


- What if I need to remove Networkmanager/get rid of it? The documention says systemd can be used as a renderer option. Does that work?


regards

** Affects: netplan.io (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1762178

Title:
  Poor documentation of netplan.io

Status in netplan.io package in Ubuntu:
  New

Bug description:
  Hi,

  I just tested a beta release of 18.04 and read the release notes and
  found ifupdown to be replaced by netplan.io.

  This does not look like production-ready, the documentation is
  insufficient, especially about migration from earlier ubuntu versions.

  - There's a file /etc/netplan/01-network-manger-all.yaml, which just
  says that all devices are managed by NetworkManager. But the
  Networkmanager just offers configuration for Hardware and VPN, not for
  bridges. Although I found some syntax hints in the internet, it is
  anything but obvious what ubuntu's intended clean way of configuring
  virtual interfaces, bridges and things like that is.

  
  - There is no hint about what happens with /etc/network/if*.d scripts. Are they still executed? Should one make a /etc/Networkmanager/dispatcher.d script out of it? Or rather a systemd service?

  There are still some packages coming with /etc/network/if*.d scripts.
  Will these work or are these packages broken then?


  - Both Networkmanager and systemd have limitations and problems and
  cause trouble. What happens if one installs ifupdown? Will that break
  anything?

  
  - What if I need to remove Networkmanager/get rid of it? The documention says systemd can be used as a renderer option. Does that work?

  
  regards

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