[Bug 1759014] Re: Netplan has no way to control DHCP client

[Mathieu Trudel-Lapierre]

** Changed in: netplan
       Status: New => Fix Committed

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

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

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

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

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https://bugs.launchpad.net/bugs/1759014

Title:
  Netplan has no way to control DHCP client

Status in netplan:
  Fix Committed
Status in netplan.io package in Ubuntu:
  New
Status in netplan.io source package in Bionic:
  New
Status in netplan.io source package in Cosmic:
  New
Status in netplan.io source package in Disco:
  New

Bug description:
  Currently DHCP appears to be an all or nothing boolean, which is
  insufficient for many network configurations.

  Ideally all of the DHCP configuration options supported by systemd would also be supported in netplan:
  https://www.freedesktop.org/software/systemd/man/systemd.network.html#%5BDHCP%5D%20Section%20Options


  As an example, consider the following netplan configuration:

  network:
    version: 2
    renderer: networkd
    ethernets:
      enp0s3:
        dhcp4: yes
        nameservers: [8.8.8.8,8.8.4.4]

  
  After running netplan apply I check the nameservers with systemd-resolve --status and it shows:

  DNS Servers: 8.8.8.8
               8.8.4.4
               192.168.1.1

  Here, "192.168.1.1" was provided by my DHCP server.  On this
  particular node, I only want the manually configured DNS servers, but
  netplan has no way to indicate this.

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