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cmd/vnet: add --blend and --pcap flags

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Updates #13038

Change-Id: Id16ea9eb94447a3d9651215f04b2525daf10b3eb
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2024-08-23 11:37:19 -07:00
committed by Brad Fitzpatrick
parent 3904e4d175
commit 3b70968c25
2 changed files with 24 additions and 8 deletions
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14
cmd/vnet/vnet-main.go
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@@ -22,11 +22,13 @@ import (
)
var (
listen = flag.String("listen", "/tmp/qemu.sock", "path to listen on")
nat = flag.String("nat", "easy", "type of NAT to use")
nat2 = flag.String("nat2", "hard", "type of NAT to use for second network")
portmap = flag.Bool("portmap", false, "enable portmapping")
dgram = flag.Bool("dgram", false, "enable datagram mode; for use with macOS Hypervisor.Framework and VZFileHandleNetworkDeviceAttachment")
listen = flag.String("listen", "/tmp/qemu.sock", "path to listen on")
nat = flag.String("nat", "easy", "type of NAT to use")
nat2 = flag.String("nat2", "hard", "type of NAT to use for second network")
portmap = flag.Bool("portmap", false, "enable portmapping")
dgram = flag.Bool("dgram", false, "enable datagram mode; for use with macOS Hypervisor.Framework and VZFileHandleNetworkDeviceAttachment")
blend = flag.Bool("blend", true, "blend reality (controlplane.tailscale.com and DERPs) into the virtual network")
pcapFile = flag.String("pcap", "", "if non-empty, filename to write pcap")
)
func main() {
@@ -57,6 +59,8 @@ func main() {
}
var c vnet.Config
c.SetPCAPFile(*pcapFile)
c.SetBlendReality(*blend)
node1 := c.AddNode(c.AddNetwork("2.1.1.1", "192.168.1.1/24", vnet.NAT(*nat)))
c.AddNode(c.AddNetwork("2.2.2.2", "10.2.0.1/16", vnet.NAT(*nat2)))
if *portmap {