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cli: Add option to the IP address for HyperKit VM

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Note: This currently requires a custom version of VPNKit.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-04-07 09:25:59 +01:00
parent 971db3c0c3
commit cc16ceb578
1 changed files with 17 additions and 0 deletions
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17
src/cmd/moby/run_hyperkit.go
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@ -4,6 +4,7 @@ import (
"flag"
"fmt"
"io/ioutil"
"net"
"os"
log "github.com/Sirupsen/logrus"
@ -27,6 +28,7 @@ func runHyperKit(args []string) {
diskSz := hyperkitCmd.Int("disk-size", 0, "Size of Disk in MB")
disk := hyperkitCmd.String("disk", "", "Path to disk image to used")
data := hyperkitCmd.String("data", "", "Metadata to pass to VM (either a path to a file or a string)")
ipStr := hyperkitCmd.String("ip", "", "IP address for the VM")
hyperkitCmd.Parse(args)
remArgs := hyperkitCmd.Args()
@ -60,6 +62,20 @@ func runHyperKit(args []string) {
outfh.Close()
}
uuidStr := ""
if *ipStr != "" {
// If an IP address was requested construct a "special" UUID
// for the VM.
if ip := net.ParseIP(*ipStr); len(ip) > 0 {
uuid := make([]byte, 16)
uuid[12] = ip.To4()[0]
uuid[13] = ip.To4()[1]
uuid[14] = ip.To4()[2]
uuid[15] = ip.To4()[3]
uuidStr = fmt.Sprintf("%x-%x-%x-%x-%x", uuid[0:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:])
}
}
// Run
cmdline, err := ioutil.ReadFile(prefix + "-cmdline")
if err != nil {
@ -81,6 +97,7 @@ func runHyperKit(args []string) {
h.CPUs = *cpus
h.Memory = *mem
h.DiskSize = *diskSz
h.UUID = uuidStr
err = h.Run(string(cmdline))
if err != nil {