Cherry-pick to 6.x: Add OS Name into add-host-metadata (#9405)#9471

Merged

kaiyan-sheng merged 1 commit intoelastic:6.xfrom kaiyan-sheng:backport_9405_6.x

Dec 11, 2018

+13-1

Commits on Dec 10, 2018

Add OS Name into add-host-metadata (#9405 )
kaiyan-sheng
committed