POC on Volume Attribute Class

[badri-pathak]

Pull request checklist

Pull request type

Please check the type of change your PR introduces:

• [ ] Bugfix
• [x] Feature Enhancement
• [ ] Test Automation
• [ ] Code Refactoring (no functional changes, no api changes)
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What is the current behavior?

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• [ ] Small, isolated change
• [ ] Medium, requires regression testing
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[badri-pathak]

quay.io/badri_pathak/ibm-spectrum-scale-csi-operator:vac_v1 quay.io/badri_pathak/ibm-spectrum-scale-csi-driver:vac_v2

[badri-pathak]

Request looks like this. The mutable parameters will be changed with the functional call.

I0812 11:32:23.247883       1 utils.go:64] [68e4b019-88c6-447b-bc8f-91fb9b7ce27e] GRPC call: /csi.v1.Controller/ControllerModifyVolume
I0812 11:32:23.247991       1 utils.go:73] [68e4b019-88c6-447b-bc8f-91fb9b7ce27e] GRPC request: volume_id:"0;2;6224423257428592282;4E150B0A:66B60776;;pvc-25c6a2a4-e0ab-4e66-8b18-0d45b05d4d7e;/ibm/fs1/spectrum-scale-csi-volume-store/.volumes/pvc-25c6a2a4-e0ab-4e66-8b18-0d45b05d4d7e" mutable_parameters:<key:"customer" value:"badri" > mutable_parameters:<key:"iops" value:"4000" >
I0812 11:32:23.248011       1 controllerserver.go:3063] [68e4b019-88c6-447b-bc8f-91fb9b7ce27e] ControllerModifyVolume - Volume modify req: volume_id:"0;2;6224423257428592282;4E150B0A:66B60776;;pvc-25c6a2a4-e0ab-4e66-8b18-0d45b05d4d7e;/ibm/fs1/spectrum-scale-csi-volume-store/.volumes/pvc-25c6a2a4-e0ab-4e66-8b18-0d45b05d4d7e" mutable_parameters:<key:"customer" value:"badri" > mutable_parameters:<key:"iops" value:"4000" >
E0812 11:32:23.248033       1 utils.go:79] [68e4b019-88c6-447b-bc8f-91fb9b7ce27e] GRPC error: rpc error: code = Unimplemented desc =
I0812 11:32:23.248053       1 utils.go:89] [68e4b019-88c6-447b-bc8f-91fb9b7ce27e] Time taken to execute /csi.v1.Controller/ControllerModifyVolume request(in milliseconds): 0