74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
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package common
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import (
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"fmt"
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"log"
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"math/rand"
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"net"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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// This step configures the VM to enable the VRDP server
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// on the guest machine.
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//
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// Uses:
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// driver Driver
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// ui packer.Ui
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// vmName string
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//
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// Produces:
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// vrdp_port unit - The port that VRDP is configured to listen on.
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type StepConfigureVRDP struct {
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VRDPPortMin uint
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VRDPPortMax uint
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}
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func (s *StepConfigureVRDP) Run(state multistep.StateBag) multistep.StepAction {
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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vmName := state.Get("vmName").(string)
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log.Printf("Looking for available port between %d and %d", s.VRDPPortMin, s.VRDPPortMax)
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var vrdpPort uint
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portRange := int (s.VRDPPortMax - s.VRDPPortMin)
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for {
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if portRange > 0 {
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vrdpPort = uint(rand.Intn(portRange)) + s.VRDPPortMin
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} else {
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vrdpPort = s.VRDPPortMin
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}
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log.Printf("Trying port: %d", vrdpPort)
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l, err := net.Listen("tcp", fmt.Sprintf(":%d", vrdpPort))
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if err == nil {
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defer l.Close()
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break
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}
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}
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command := []string{
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"modifyvm", vmName,
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"--vrdeaddress", "127.0.0.1",
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"--vrdeauthtype", "null",
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"--vrde", "on",
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"--vrdeport",
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fmt.Sprintf("%d", vrdpPort),
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}
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if err := driver.VBoxManage(command...); err != nil {
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err := fmt.Errorf("Error enabling VRDP: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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state.Put("vrdpIp", "127.0.0.1")
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state.Put("vrdpPort", vrdpPort)
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return multistep.ActionContinue
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}
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func (s *StepConfigureVRDP) Cleanup(state multistep.StateBag) {}
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