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utils.go
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/
utils.go
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/*
* Copyright (c) 2023 Baidu, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*
*/
package v1
import (
"net"
"github.com/baidubce/baiducloud-cce-cni-driver/cce-network-v2/pkg/cidr"
)
// IsInSubnet checks if the privateIPStr is in the subnet
func IsInSubnet(sbn *Subnet, privateIPStr string) bool {
ip := net.ParseIP(privateIPStr)
if ip == nil {
return false
}
var cidrs string
if ip.To4() != nil {
cidrs = sbn.Spec.CIDR
} else {
cidrs = sbn.Spec.IPv6CIDR
}
return cidr.CIDRStringContainsIP(cidrs, privateIPStr)
}