[platform] Implement platform phase 2 cases#980

Merged

liat-grozovik merged 3 commits intosonic-net:masterfrom

wangxin:platform-phase2-pr

Jul 21, 2019

Commits on Jun 26, 2019

[platform] Implement platform phase 2 cases
Xin Wang
committed

Commits on Jul 2, 2019

[platform] Add interface status checking using the interface_facts module
Xin Wang
committed

Commits on Jul 18, 2019

[platform] Fix some minor issues
Xin Wang
committed