Hello Loki team,

First and foremost, thank you so much for Loki! It's awesome.

Is your feature request related to a problem? Please describe.
As a cluster administrator, when installing loki-stack
I want to be able to set toleration for promtail
So that I may forward logs from all nodes, even nodes with taint, to loki

Describe the solution you'd like
I would like to be able to

What would you like to be added:
statefulset/cloneset/sidecarset/job need to add metric with replica, available, unavailable, complete, number of resource .....

Why is this needed:
For example, Deploy has kube-state-metric, which can provide the metric, so we can well count and monitor it in Prometheus. Kruise'

The command name for port-forward is so long.

➜  /Users/zhouzhengxi/Programming/golang/src/github.com/oam-dev/kubevela git:(feature-terraform) vela -h
✈️  An Easy-to-use yet Fully Extensible App Platform based on Kubernetes and Open Application Model.

Usage:
  vela [flags]
  vela [command]

Available Commands:

  Getting Started:

    init   	Create scaffold for an application