Actually trying to insatll MaaS server with ubuntu 12.04 and JuJu. Once installed, tried to add a new node in mass gui. It seems WoL worked and OS was installed, the new node had been deployed and running. However, when trying juju status after bootsrapping the environement, it seems something goes wrong with the DNS server.
$juju status INFO Connecting to environment... ERROR Invalid host for SSH forwarding: ssh: Could not resolve hostname node01: Name or service not known
maas-dhcp is installed and configured in the MaaS server. No DNS service was added but use the default one (127.0.0.1 in /etc/resolv.conf file).
No entries for the specified node!