github.com/openebs/node-disk-manager@v1.9.1-0.20230225014141-4531f06ffa1e/pkg/select/verify/resourceverify.go (about) 1 /* 2 Copyright 2019 The OpenEBS Authors 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package verify 18 19 import ( 20 "fmt" 21 22 apis "github.com/openebs/node-disk-manager/api/v1alpha1" 23 v1 "k8s.io/api/core/v1" 24 ) 25 26 // GetRequestedCapacity gets the requested capacity from the BlockDeviceClaim 27 // It returns an error if the Quantity cannot be parsed 28 func GetRequestedCapacity(list v1.ResourceList) (int64, error) { 29 30 resourceCapacity := list[apis.ResourceStorage] 31 // Check if deviceClaim has valid capacity request 32 capacity, err := (&resourceCapacity).AsInt64() 33 if !err || capacity <= 0 { 34 return 0, fmt.Errorf("invalid capacity requested, %v", err) 35 } 36 return capacity, nil 37 }