VAC status brainstorm

gistfile1.txt

# Before Dynamic provisioning
spec:
  VAC: silver
status:

# After Dynamic provisioning
spec:
  VAC: silver
status:
  volumeAttributeClassStatus:
    currentClass: silver
    targetClass: silver
    modifyStatus: 
      status: Succeeded
      lastUpdateTime: ...
      message: "Provisioning succeeded"
      
# User updates
spec: 
  VAC: gold
status:
  volumeAttributeClassStatus:
    currentClass: silver
    targetClass: silver
    modifyStatus:
      status: Succeeded
      lastUpdateTime: ...
      message: "Provisioning succeeded"
      
# Controller starts
spec: 
  VAC: gold
status:
  volumeAttributeClassStatus:
    currentClass: silver
    targetClass: gold
    modifyStatus:
      status: InProgress
      lastUpdateTime: ...
      message: "Modify to gold started"  

# Fails with final
spec: 
  VAC: gold
status:
  volumeAttributeClassStatus:
    currentClass: silver
    targetClass: gold
    modifyStatus:
      status: Failed
      lastUpdateTime: ...
      message: "Error: foo"  
      
# Succeeds
spec: 
  VAC: gold
status:
  volumeAttributeClassStatus:
    currentClass: gold
    targetClass: gold
    modifyStatus:
      status: Succeeded
      lastUpdateTime: ...
      message: "Modify to gold succeeded"  
      
# User changes in the middle of in progress
spec: 
  VAC: platinum
status:  
  volumeAttributeClassStatus:
    currentClass: silver
    targetClass: gold
    modifyStatus:
      status: InProgress
      lastUpdateTime: ...
      message: "Modify to gold started"