52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
//go:build darwin
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package hyperkit
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import (
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"fmt"
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"net"
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"os"
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"os/exec"
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"strings"
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)
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const (
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// VMNetDomain is the domain for vmnet
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VMNetDomain = "/Library/Preferences/SystemConfiguration/com.apple.vmnet"
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// SharedNetAddrKey is the key for the network address
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SharedNetAddrKey = "Shared_Net_Address"
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)
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// GetNetAddr gets the network address for vmnet
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func GetNetAddr() (net.IP, error) {
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plistPath := VMNetDomain + ".plist"
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if _, err := os.Stat(plistPath); err != nil {
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return nil, fmt.Errorf("stat: %v", err)
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}
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out, err := exec.Command("defaults", "read", VMNetDomain, SharedNetAddrKey).Output()
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if err != nil {
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return nil, err
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}
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ip := net.ParseIP(strings.TrimSpace(string(out)))
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if ip == nil {
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return nil, fmt.Errorf("could not get the network address for vmnet")
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}
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return ip, nil
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}
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