Rudder

As explain in http://www.rudder-project.org/redmine/issues/8022#note-9, we don't want to send to Rudder server inventory that will be refused FOR SURE, letting the agent think it is ok, where it is not.

So we have to do create a "check inventory" script, to execute before sending (or it is a "send inventory" script, with a pre-send part for checks), and that will ensure that the follwing attribute are filled:

- RUDDER/UUID
- RUDDER/HOSTNAME or OPERATINGSYSTEM/FQDN
- RUDDER/OWNER
- RUDDER/AGENT/POLICY_SERVER_UUID
- RUDDER/AGENT/AGENT_NAME
- OPERATINGSYSTEM/{FULL_NAME or KERNEL_NAME or NAME}
- OPERATINGSYSTEM/KERNEL_VERSION or if OPERATINGSYSTEM/KERNEL_NAME.toLowerCase aix: HARDWARE/OSVERSION

For information, the following rules are checked on Rudder side: they are less strict, but I'm almost sure it is for bad (i.e: code not cleaned) reasons:

- RUDDER/UUID (or else UUID anywhere - not sure we should do that)
- RUDDER/HOSTNAME or else HOSTNAME anywhere in 2.11,3.0 (not sure it's ok) or else in 3.1 OPERATINGSYSTEM/FQDN
- RUDDER/OWNER or else USER anywhere
- RUDDER/AGENT/POLICY_SERVER_UUID or else POLICY_SERVER anywhere
- RUDDER/AGENT/AGENT_NAME or else AGENTNAME anywhere
- OPERATINGSYSTEM/{FULL_NAME or KERNEL_NAME or NAME}
- OPERATINGSYSTEM/KERNEL_VERSION or if OPERATINGSYSTEM/KERNEL_NAME.toLowerCase aix: HARDWARE/OSVERSION