add the error detail and message to the status

[wanghong230]

Is this a BUG REPORT or FEATURE REQUEST?: FEATURE What happened:

Spec:
  Asg Name:               XXXXXXXXX
  Node Interval Seconds:  300
  Post Drain:
  Post Drain Delay Seconds:  90
  Post Terminate:
  Pre Drain:
  Region:  us-west-2
  Strategy:
    Drain Timeout:    600
    Max Unavailable:  1
    Mode:             eager
    Type:             randomUpdate
Status:
  Current Status:         error
  End Time:               2020-03-23T18:53:45Z
  Nodes Processed:        3
  Start Time:             2020-03-23T18:36:29Z
  Total Nodes:            20
  Total Processing Time:  17m16.86369232s

The rolling upgrade failed, but it was hard to tell the reason.

What you expected to happen:

Inject the error object if the information could be structured, or error message into the status message.

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• rolling-upgrade-controller version
• Kubernetes version :

$ kubectl version -o yaml

Other debugging information (if applicable):

• RollingUpgrade status:

$ kubectl describe rollingupgrade <rollingupgrade-name>

• controller logs:

$ kubectl logs <rolling-upgrade-controller pod>