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[Ryan Finnie <ryan.finnie@xxxxxxxxxxxxx>]

Public bug reported:

On a MAAS-deployed node, /etc/cloud/cloud.cfg.d/50-curtin-networking.cfg
contains:

network:
  config:
  - id: enp1s0
    mac_address: 52:54:00:9a:b4:64
    mtu: 1500
    name: enp1s0
    subnets:
    - address: 10.48.7.48/21
      dns_nameservers:
      - 10.48.0.5
      gateway: 10.48.0.1
      type: static
    type: physical
  - address:
    - 10.48.0.5
    search:
    - bos01.canonistack.internal
    type: nameserver
  version: 1

But the generated /etc/netplan/50-cloud-init.yaml contains no search domains under nameservers for the interface:
# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# 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:
    version: 2
    ethernets:
        enp1s0:
            addresses:
            - 10.48.7.48/21
            gateway4: 10.48.0.1
            match:
                macaddress: 52:54:00:9a:b4:64
            mtu: 1500
            nameservers:
                addresses:
                - 10.48.0.5
            set-name: enp1s0

** Affects: cloud-init
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1774540

Title:
  bionic: DNS search domains lost from cloud-init to netplan

Status in cloud-init:
  New

Bug description:
  On a MAAS-deployed node, /etc/cloud/cloud.cfg.d/50-curtin-
  networking.cfg contains:

  network:
    config:
    - id: enp1s0
      mac_address: 52:54:00:9a:b4:64
      mtu: 1500
      name: enp1s0
      subnets:
      - address: 10.48.7.48/21
        dns_nameservers:
        - 10.48.0.5
        gateway: 10.48.0.1
        type: static
      type: physical
    - address:
      - 10.48.0.5
      search:
      - bos01.canonistack.internal
      type: nameserver
    version: 1

  But the generated /etc/netplan/50-cloud-init.yaml contains no search domains under nameservers for the interface:
  # This file is generated from information provided by
  # the datasource.  Changes to it will not persist across an instance.
  # 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:
      version: 2
      ethernets:
          enp1s0:
              addresses:
              - 10.48.7.48/21
              gateway4: 10.48.0.1
              match:
                  macaddress: 52:54:00:9a:b4:64
              mtu: 1500
              nameservers:
                  addresses:
                  - 10.48.0.5
              set-name: enp1s0

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