74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
package vm
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import (
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"context"
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"fmt"
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"log"
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vboxcommon "github.com/hashicorp/packer/builder/virtualbox/common"
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"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
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packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
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)
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type StepCreateSnapshot struct {
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Name string
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TargetSnapshot string
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}
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func (s *StepCreateSnapshot) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
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driver := state.Get("driver").(vboxcommon.Driver)
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ui := state.Get("ui").(packersdk.Ui)
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if s.TargetSnapshot != "" {
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running, err := driver.IsRunning(s.Name)
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if err != nil {
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err = fmt.Errorf("Failed to test if VM %s is still running: %s", s.Name, err)
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} else if running {
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err = fmt.Errorf("VM %s is still running. Unable to create snapshot %s", s.Name, s.TargetSnapshot)
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}
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if err != nil {
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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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ui.Say(fmt.Sprintf("Creating snapshot %s on virtual machine %s", s.TargetSnapshot, s.Name))
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snapshotTree, err := driver.LoadSnapshots(s.Name)
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if err != nil {
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err = fmt.Errorf("Failed to load snapshots for VM %s: %s", s.Name, 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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// Remove any snapshot with the target's name, if present.
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if snapshotTree != nil {
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currentSnapshot := snapshotTree.GetCurrentSnapshot()
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targetSnapshot := currentSnapshot.GetChildWithName(s.TargetSnapshot)
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if nil != targetSnapshot {
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log.Printf("Deleting existing target snapshot %s", s.TargetSnapshot)
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err = driver.DeleteSnapshot(s.Name, targetSnapshot)
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if nil != err {
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err = fmt.Errorf("Unable to delete snapshot %s from VM %s: %s", s.TargetSnapshot, s.Name, 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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}
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}
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err = driver.CreateSnapshot(s.Name, s.TargetSnapshot)
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if err != nil {
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err := fmt.Errorf("Error creating snaphot VM: %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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} else {
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ui.Say("No target snapshot defined...")
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}
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return multistep.ActionContinue
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}
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func (s *StepCreateSnapshot) Cleanup(state multistep.StateBag) {}
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