A new dictionary field `network_data` is added to the node object.
This new field can be populated by the operator with node static
network configuration.
Ironic API now performs formal JSON document validation of node
`network_data` field content against user-supplied JSON schema at
driver validation step.
As of this commit, the new `network_data` field is not actually
used by ironic, otherwise it should be perfectly functional. In
the following commits, network static configuration will be taken
from this field and handed over to ironic ramdisk bootstrapping
utilities.
Change-Id: I868b3b56a17f59e5aa1494b2e0ebc9c4e34ef173
Story: 2006691
Task: 36991
653d4e4ef5