Add on-error task to parse_node_data_lookup
Add on-error task to parse_node_data_lookup

If the ceph-ansible workbook fails to parse node_data_lookup
because it does not contain valid JSON, then fail the task
with a message that the NodeDataLookup JSON isn't valid.

Change-Id: I4b05933bd8b24119ed2d1040af60b4b3a2e3140f
Closes-Bug: #1784967

openstack/tripleo-common,openstack/tripleo-common