Lingxian Kong 3284497cf7 Transformer improvement
- Use InstanceUptime transformer instead of Uptime(Uptime is not used
  anywhere).
- Get instance flavor name direct from instance metadata to avoiding
  calling nova api.
- Fix empty sequence error in NetworkServiceTransformer.
- Add unit tests for new transformer code.

Change-Id: I22e1f854ac26dba3824a7e1df0850522aa2ea774
2017-01-25 15:04:13 +13:00
..
2016-10-06 14:21:06 +13:00