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Add vmnet support to linuxkit run hyperkit

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Allows routed networking, so long as you runhyperkit as root.

This has quite a few downsides, including the requirement to
run as root in order to set up the networking, but some people
really want VMs that are routable from the host.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack
2017-06-16 10:54:32 -07:00
parent dc2bd181bb
commit c20f10f7f8
3 changed files with 14 additions and 2 deletions
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6
src/cmd/linuxkit/run_hyperkit.go
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@@ -20,6 +20,7 @@ const (
networkingNone string = "none"
networkingDockerForMac = "docker-for-mac"
networkingVPNKit = "vpnkit"
networkingVMNet = "vmnet"
)
// Process the run arguments and execute run
@@ -42,7 +43,7 @@ func runHyperKit(args []string) {
ipStr := flags.String("ip", "", "IP address for the VM")
state := flags.String("state", "", "Path to directory to keep VM state in")
vsockports := flags.String("vsock-ports", "", "List of vsock ports to forward from the guest on startup (comma separated). A unix domain socket for each port will be created in the state directory")
networking := flags.String("networking", networkingDockerForMac, "Networking mode. Valid options are 'docker-for-mac', 'vpnkit[,socket-path]' and 'none'. 'docker-for-mac' connects to the network used by Docker for Mac. 'vpnkit' connects to the VPNKit socket specified. If socket-path is omitted a new VPNKit instance will be started and 'vpnkit_eth.sock' will be created in the state directory. 'none' disables networking.`")
networking := flags.String("networking", networkingDockerForMac, "Networking mode. Valid options are 'docker-for-mac', 'vpnkit[,socket-path]', 'vmnet' and 'none'. 'docker-for-mac' connects to the network used by Docker for Mac. 'vpnkit' connects to the VPNKit socket specified. If socket-path is omitted a new VPNKit instance will be started and 'vpnkit_eth.sock' will be created in the state directory. 'vmnet' uses the Apple vmnet framework, requires root/sudo. 'none' disables networking.`")
if err := flags.Parse(args); err != nil {
log.Fatal("Unable to parse args")
@@ -160,6 +161,9 @@ func runHyperKit(args []string) {
// VSOCK port 62373 is used to pass traffic from host->guest
h.VSockPorts = append(h.VSockPorts, 62373)
}
case networkingVMNet:
h.VPNKitSock = ""
h.VMNet = true
case networkingNone:
h.VPNKitSock = ""
default: