rbd: remove topologyConstrainedPools parameter

This commit removes the `topologyConstrainedPools` parameter
from PV volumeAttributes as it is not required.

Signed-off-by: Praveen M <m.praveen@ibm.com>

internal/rbd/controllerserver.go

@@ -252,6 +252,9 @@ func buildCreateVolumeResponse(req *csi.CreateVolumeRequest, rbdVol *rbdVolume)
 		}
 	}
 
+	// remove topologyConstrainedPools param as it is not required
+	delete(volumeContext, util.TopologyPoolsParam)
+
 	return &csi.CreateVolumeResponse{Volume: volume}
 }
 

internal/util/topology.go

@@ -30,6 +30,9 @@ import (
 const (
 	keySeparator   rune   = '/'
 	labelSeparator string = ","
+
+	// topologyPoolsParam is the parameter name used to pass topology constrained pools
+	TopologyPoolsParam = "topologyConstrainedPools"
 )
 
 // GetTopologyFromDomainLabels returns the CSI topology map, determined from
@@ -129,7 +132,7 @@ func GetTopologyFromRequest(
 	var topologyPools []TopologyConstrainedPool
 
 	// check if parameters have pool configuration pertaining to topology
-	topologyPoolsStr := req.GetParameters()["topologyConstrainedPools"]
+	topologyPoolsStr := req.GetParameters()[TopologyPoolsParam]
 	if topologyPoolsStr == "" {
 		return nil, nil, nil
 	}