Ability to set different storageClassName for different volumes

[maver1ck]

Describe the current behavior

Currently storageClassName is used along all Starrocks volumes.

Describe the enhancement

I'd like to be able to set separate storageClassName for:

• data storage
• log storage
• spill storage

Additional context

Rationale:
I'm using NVME volume (provisioned by Local PV Provisioner) for data volume.
I want to use standard volumes for logs.

[alexkuku]

I meet this problem too, the be and fe pod's volumes will be mounted without order, I wonder if there are any ways I can mount the specify pv with my storages.

[yandongxiao]

Describe the current behavior

Currently storageClassName is used along all Starrocks volumes.

Describe the enhancement

I'd like to be able to set separate storageClassName for:

• data storage
• log storage
• spill storage

Additional context

Rationale: I'm using NVME volume (provisioned by Local PV Provisioner) for data volume. I want to use standard volumes for logs.

We have supported this when you are using Helm Chart.
see #603
will release it in next one or two weeks