Comment 0 for bug 1655563

can not launch a instance which name include spot and number like 14.04.

nova-conductor.log find this error.

2017-01-11 16:27:46.928 23 ERROR nova.scheduler.utils [req-ed6f17d5-ef49-412e-8e7e-703b7ed5738b eef7aab2a2bf4067a4baf27cdbe62cc6 90e82be1b4a34c62a27d4fde986e00c2 - - -] [instance: 46fe3b71-0c90-458c-8be6-cd9dcd8733a3] Error from last host: compute1 (node compute1): [u'Traceback (most recent call last):\n', u' File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1926, in _do_build_and_run_instance\n filter_properties)\n', u' File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2116, in _build_and_run_instance\n instance_uuid=instance.uuid, reason=six.text_type(e))\n', u"RescheduledException: Build of instance 46fe3b71-0c90-458c-8be6-cd9dcd8733a3 was re-scheduled: Invalid input for dns_name. Reason: '14.4' not a valid PQDN or FQDN. Reason: TLD '4' must not be all numeric.\nNeutron server returns request_ids: ['req-9a2fa7cb-35cd-462f-973d-5c618b72b18d']\n"]
2017-01-11 16:27:47.113 23 WARNING nova.scheduler.utils [req-ed6f17d5-ef49-412e-8e7e-703b7ed5738b eef7aab2a2bf4067a4baf27cdbe62cc6 90e82be1b4a34c62a27d4fde986e00c2 - - -] Failed to compute_task_build_instances: No valid host was found. There are not enough hosts available.