104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
package common
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import (
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/common/uuid"
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"github.com/mitchellh/packer/packer"
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)
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// This step creates switch for VM.
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//
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// Produces:
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// SwitchName string - The name of the Switch
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type StepCreateExternalSwitch struct {
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SwitchName string
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oldSwitchName string
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}
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func (s *StepCreateExternalSwitch) 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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errorMsg := "Error createing external switch: %s"
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var err error
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ui.Say("Creating external switch...")
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packerExternalSwitchName := "paes_" + uuid.TimeOrderedUUID()
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err = driver.CreateExternalVirtualSwitch(vmName, packerExternalSwitchName)
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if err != nil {
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err := fmt.Errorf("Error creating switch: %s", err)
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state.Put(errorMsg, err)
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ui.Error(err.Error())
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s.SwitchName = ""
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return multistep.ActionHalt
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}
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switchName, err := driver.GetVirtualMachineSwitchName(vmName)
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if err != nil {
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err := fmt.Errorf(errorMsg, 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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if len(switchName) == 0 {
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err := fmt.Errorf(errorMsg, err)
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state.Put("error", "Can't get the VM switch name")
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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ui.Say("External switch name is: '" + switchName + "'")
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if switchName != packerExternalSwitchName {
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s.SwitchName = ""
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} else {
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s.SwitchName = packerExternalSwitchName
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s.oldSwitchName = state.Get("SwitchName").(string)
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}
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// Set the final name in the state bag so others can use it
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state.Put("SwitchName", switchName)
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return multistep.ActionContinue
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}
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func (s *StepCreateExternalSwitch) Cleanup(state multistep.StateBag) {
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if s.SwitchName == "" {
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return
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}
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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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ui.Say("Unregistering and deleting external switch...")
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var err error = nil
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errMsg := "Error deleting external switch: %s"
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// connect the vm to the old switch
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if s.oldSwitchName == "" {
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ui.Error(fmt.Sprintf(errMsg, "the old switch name is empty"))
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return
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}
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err = driver.ConnectVirtualMachineNetworkAdapterToSwitch(vmName, s.oldSwitchName)
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if err != nil {
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ui.Error(fmt.Sprintf(errMsg, err))
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return
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}
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state.Put("SwitchName", s.oldSwitchName)
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err = driver.DeleteVirtualSwitch(s.SwitchName)
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if err != nil {
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ui.Error(fmt.Sprintf(errMsg, err))
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}
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}
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