k8s: emitting events if running in k8s

[tao12345666333]

Would you please consider emitting an k8s event if there is an err (if running in k8s)

Originally posted by @rootfs in #84 (comment)

[Xunzhuo]

this should be done by pluggable provider design for different providers like local, k8s, config store

[Xunzhuo]

/area environment
/priority P1
/milestone v0.1

[tao12345666333]

/assign