Nova rebuild avec cloud-init

Il ne semble pas possible d'utiliser "nova rebuild" avec un cloud-init.

Api non compatible côté OVH non ?

```
$ nova help rebuild
usage: nova rebuild [--rebuild-password ] [--poll]
[--minimal] [--preserve-ephemeral] [--name ]
[--description ] [--meta ]
[--key-name ] [--key-unset]
[--user-data ] [--user-data-unset]
[--trusted-image-certificate-id ]
[--trusted-image-certificates-unset]


Shutdown, re-image, and re-boot a server.

Positional arguments:
Name or ID of server.
Name or ID of new image.

Optional arguments:
--rebuild-password
Set the provided admin password on the rebuilt
server.
--poll Report the server rebuild progress until it
completes.
--minimal Skips flavor/image lookups when showing
servers.
--preserve-ephemeral Preserve the default ephemeral storage
partition on rebuild.
--name Name for the new server.
--description New description for the server. (Supported by
API versions '2.19' - '2.latest')
--meta Record arbitrary key/value metadata to
/meta_data.json on the metadata server. Can be
specified multiple times.
--key-name Keypair name to set in the server. Cannot be
specified with the '--key-unset' option.
(Supported by API versions '2.54' -
'2.latest')
--key-unset Unset keypair in the server. Cannot be
specified with the '--key-name' option.
(Supported by API versions '2.54' -
'2.latest')
--user-data User data file to pass to be exposed by the
metadata server. (Supported by API versions
'2.57' - '2.latest')
--user-data-unset Unset user_data in the server. Cannot be
specified with the '--user-data' option.
(Supported by API versions '2.57' -
'2.latest')
--trusted-image-certificate-id
Trusted image certificate IDs used to validate
certificates during the image signature
verification process. Defaults to
env[OS_TRUSTED_IMAGE_CERTIFICATE_IDS]. May be
specified multiple times to pass multiple
trusted image certificate IDs. (Supported by
API versions '2.63' - '2.latest')
--trusted-image-certificates-unset
Unset trusted_image_certificates in the
server. Cannot be specified with the
'--trusted-image-certificate-id' option.
(Supported by API versions '2.63' -
'2.latest')

$ nova rebuild --poll --name test --user-data cloud-config.yml YYYYY XXXXX
usage: nova [--version] [--debug] [--os-cache] [--timings]
[--os-region-name ] [--service-type ]
[--service-name ]
[--os-endpoint-type ]
[--os-compute-api-version ]
[--os-endpoint-override ] [--insecure]
[--os-cacert ] [--os-cert ]
[--os-key ] [--timeout ] [--collect-timing]
[--os-auth-type ] [--os-auth-url OS_AUTH_URL]
[--os-system-scope OS_SYSTEM_SCOPE] [--os-domain-id OS_DOMAIN_ID]
[--os-domain-name OS_DOMAIN_NAME] [--os-project-id OS_PROJECT_ID]
[--os-project-name OS_PROJECT_NAME]
[--os-project-domain-id OS_PROJECT_DOMAIN_ID]
[--os-project-domain-name OS_PROJECT_DOMAIN_NAME]
[--os-trust-id OS_TRUST_ID]
[--os-default-domain-id OS_DEFAULT_DOMAIN_ID]
[--os-default-domain-name OS_DEFAULT_DOMAIN_NAME]
[--os-user-id OS_USER_ID] [--os-username OS_USERNAME]
[--os-user-domain-id OS_USER_DOMAIN_ID]
[--os-user-domain-name OS_USER_DOMAIN_NAME]
[--os-password OS_PASSWORD]
...
error: unrecognized arguments: --user-data XXXXX
Try 'nova help ' for more information.
```