bug fix

Huawei · Aug 24, 2021 · 605caf2 · 605caf2
1 parent d9e6e85
commit 605caf2
Showing 1 changed file with 8 additions and 6 deletions.
diff --git a/src/csi/backend/backend.go b/src/csi/backend/backend.go
@@ -28,7 +28,7 @@ var (
 		{"qos", filterByQos},
 		{"hyperMetro", filterByMetro},
 		{"replication", filterByReplication},
-		{"topologyRequirement", filterByTopology},
+		{TopologyRequirement, filterByTopology},
 	}
 
 	secondaryFilterFuncs = [][]interface{}{
@@ -291,11 +291,13 @@ func selectOnePool(requestSize int64,
 
 	for _, i := range filterFuncs {
 		key, filter := i[0].(string), i[1].(FilterFunction)
-		value, _ := parameters[key].(string)
-		filterPools = filter(value, filterPools)
-		if len(filterPools) == 0 {
-			return nil, fmt.Errorf("failed to select pool, the last filter field: %s, parameters %v",
-				key, parameters)
+		value, exists := parameters[key]
+		if exists {
+			filterPools = filter(value, filterPools)
+			if len(filterPools) == 0 {
+				return nil, fmt.Errorf("failed to select pool, the last filter field: %s, parameters %v",
+					key, parameters)
+			}
 		}
 	}