mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 08:20:23 +00:00
62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes Authors.
|
|
|
|
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 net
|
|
|
|
import (
|
|
"net"
|
|
)
|
|
|
|
// IsIPv6 returns if netIP is IPv6.
|
|
func IsIPv6(netIP net.IP) bool {
|
|
return netIP != nil && netIP.To4() == nil
|
|
}
|
|
|
|
// IsIPv6String returns if ip is IPv6.
|
|
func IsIPv6String(ip string) bool {
|
|
netIP := net.ParseIP(ip)
|
|
return IsIPv6(netIP)
|
|
}
|
|
|
|
// IsIPv6CIDR returns if cidr is IPv6.
|
|
// This assumes cidr is a valid CIDR.
|
|
func IsIPv6CIDR(cidr string) bool {
|
|
ip, _, _ := net.ParseCIDR(cidr)
|
|
return IsIPv6(ip)
|
|
}
|
|
|
|
// FilterIncorrectIPVersion filters out the incorrect IP version case from a slice of IP strings.
|
|
func FilterIncorrectIPVersion(ipStrings []string, isIPv6Mode bool) ([]string, []string) {
|
|
return filterWithCondition(ipStrings, isIPv6Mode, IsIPv6String)
|
|
}
|
|
|
|
// FilterIncorrectCIDRVersion filters out the incorrect IP version case from a slice of CIDR strings.
|
|
func FilterIncorrectCIDRVersion(ipStrings []string, isIPv6Mode bool) ([]string, []string) {
|
|
return filterWithCondition(ipStrings, isIPv6Mode, IsIPv6CIDR)
|
|
}
|
|
|
|
func filterWithCondition(strs []string, expectedCondition bool, conditionFunc func(string) bool) ([]string, []string) {
|
|
var corrects, incorrects []string
|
|
for _, str := range strs {
|
|
if conditionFunc(str) != expectedCondition {
|
|
incorrects = append(incorrects, str)
|
|
} else {
|
|
corrects = append(corrects, str)
|
|
}
|
|
}
|
|
return corrects, incorrects
|
|
}
|