vlanconfig.yaml

 # vlan config
 bucket:
   &myinterfaces |
    # This file describes the network interfaces available on your system
    # and how to activate them. For more information, see interfaces(5).
 
    # The loopback network interface
    auto lo
    iface lo inet loopback
 
    # The primary network interface
    auto eth0
    iface eth0 inet dhcp
    auto vlan5
    auto vlan100
    iface vlan5 inet static
      address 10.0.0.18
      netmask 255.255.255.0
      vlan-raw-device eth0
    iface vlan100 inet static
      address 192.168.66.118
      netmask 255.255.255.0
      vlan-raw-device eth0
 
 
 #cloud-config
 debconf_selections:
  maas: |
   {{for line in str(curtin_preseed).splitlines()}}
   {{line}}
   {{endfor}}
 early_commands:
   update: apt-get update
   vlan: apt-get install vlan -q -y
 
 late_commands:
   maas: [wget, '--no-proxy', '{{node_disable_pxe_url|escape.shell}}', '--post-data', '{{node_disable_pxe_data|escape.shell}}', '-O', '/dev/null']
   load_8021q: ['sh', '-c', 'echo 8021q >> $TARGET_MOUNT_POINT/etc/modules']
 
 network_commands:
   vlans: ['sh', '-c', 'printf "$1" > "$OUTPUT_INTERFACES"', '--', *myinterfaces]
 
 power_state:
   mode: reboot
 
 {{if node.architecture in {'i386/generic', 'amd64/generic'} }}
 apt_mirror: http://{{main_archive_hostname}}/{{main_archive_directory}}
 {{ else }}
 apt_mirror: http://{{ports_archive_hostname}}/{{ports_archive_directory}}
 {{endif}}

 {{if http_proxy}}
 apt_proxy: {{http_proxy}}
 {{else}}
 apt_proxy: http://{{server_host}}:8000/
 {{endif}}