mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-19 03:20:20 +00:00
5762da3e91
updating go dependency to latest kubernetes released version i.e v1.23.0 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
/*
|
|
Copyright 2017 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 util
|
|
|
|
import (
|
|
"net"
|
|
"strconv"
|
|
|
|
"k8s.io/klog/v2"
|
|
netutils "k8s.io/utils/net"
|
|
)
|
|
|
|
// IPPart returns just the IP part of an IP or IP:port or endpoint string. If the IP
|
|
// part is an IPv6 address enclosed in brackets (e.g. "[fd00:1::5]:9999"),
|
|
// then the brackets are stripped as well.
|
|
func IPPart(s string) string {
|
|
if ip := netutils.ParseIPSloppy(s); ip != nil {
|
|
// IP address without port
|
|
return s
|
|
}
|
|
// Must be IP:port
|
|
host, _, err := net.SplitHostPort(s)
|
|
if err != nil {
|
|
klog.ErrorS(err, "Failed to parse host-port", "input", s)
|
|
return ""
|
|
}
|
|
// Check if host string is a valid IP address
|
|
ip := netutils.ParseIPSloppy(host)
|
|
if ip == nil {
|
|
klog.ErrorS(nil, "Failed to parse IP", "input", host)
|
|
return ""
|
|
}
|
|
return ip.String()
|
|
}
|
|
|
|
// PortPart returns just the port part of an endpoint string.
|
|
func PortPart(s string) (int, error) {
|
|
// Must be IP:port
|
|
_, port, err := net.SplitHostPort(s)
|
|
if err != nil {
|
|
klog.ErrorS(err, "Failed to parse host-port", "input", s)
|
|
return -1, err
|
|
}
|
|
portNumber, err := strconv.Atoi(port)
|
|
if err != nil {
|
|
klog.ErrorS(err, "Failed to parse port", "input", port)
|
|
return -1, err
|
|
}
|
|
return portNumber, nil
|
|
}
|