52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
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package common
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import (
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"fmt"
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"strconv"
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"github.com/hashicorp/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer-plugin-sdk/packer"
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)
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type StepGetVNCPort struct{}
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func (self *StepGetVNCPort) Run(state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Step: forward the instances VNC port over SSH")
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domid := state.Get("domid").(int)
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cmd := fmt.Sprintf("xenstore-read /local/domain/%d/console/vnc-port", domid)
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remote_vncport, err := ExecuteHostSSHCmd(state, cmd)
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if err != nil {
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ui.Error(fmt.Sprintf("Unable to get VNC port (is the VM running?): %s", err.Error()))
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return multistep.ActionHalt
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}
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remote_port, err := strconv.ParseUint(remote_vncport, 10, 16)
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if err != nil {
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ui.Error(fmt.Sprintf("Unable to convert '%s' to an int", remote_vncport))
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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("instance_vnc_port", uint(remote_port))
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return multistep.ActionContinue
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}
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func (self *StepGetVNCPort) Cleanup(state multistep.StateBag) {
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}
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func InstanceVNCPort(state multistep.StateBag) (uint, error) {
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vncPort := state.Get("instance_vnc_port").(uint)
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return vncPort, nil
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}
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func InstanceVNCIP(state multistep.StateBag) (string, error) {
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// The port is in Dom0, so we want to forward from localhost
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return "127.0.0.1", nil
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}
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