Password to assign the user. Using this is generally not recommended. Use ssh keys instead. Also note that older cloud-init versions do not support hashed passwords.
-`citype`: `<configdrive2 | nocloud>` ::
+`citype`: `<configdrive2 | nocloud | opennebula>` ::
Specifies the cloud-init configuration format. The default depends on the configured operating system type (`ostype`. We use the `nocloud` format for Linux, and `configdrive2` for windows.
+
The special string 'dhcp' can be used for IP addresses to use DHCP, in which case no explicit
gateway should be provided.
-For IPv6 the special string 'auto' can be used to use stateless autoconfiguration.
+For IPv6 the special string 'auto' can be used to use stateless autoconfiguration. This requires
+cloud-init 19.4 or newer.
+
If cloud-init is enabled and neither an IPv4 nor an IPv6 address is specified, it defaults to using
dhcp on IPv4.