74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package qemu
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import (
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"context"
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"fmt"
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"path/filepath"
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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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// This step copies the virtual disk that will be used as the
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// hard drive for the virtual machine.
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type stepCopyDisk struct {
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DiskImage bool
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Format string
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OutputDir string
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UseBackingFile bool
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VMName string
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QemuImgArgs QemuImgArgs
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}
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func (s *stepCopyDisk) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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driver := state.Get("driver").(Driver)
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isoPath := state.Get("iso_path").(string)
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ui := state.Get("ui").(packersdk.Ui)
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path := filepath.Join(s.OutputDir, s.VMName)
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if !s.DiskImage || s.UseBackingFile {
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return multistep.ActionContinue
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}
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// isoPath extention is:
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ext := filepath.Ext(isoPath)
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if ext[1:] == s.Format {
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ui.Message("File extension already matches desired output format. " +
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"Skipping qemu-img convert step")
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err := driver.Copy(isoPath, path)
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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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return multistep.ActionContinue
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}
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command := s.buildConvertCommand(isoPath, path)
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ui.Say("Copying hard drive...")
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if err := driver.QemuImg(command...); err != nil {
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err := fmt.Errorf("Error creating hard drive: %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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return multistep.ActionContinue
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}
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func (s *stepCopyDisk) buildConvertCommand(sourcePath, targetPath string) []string {
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command := []string{"convert"}
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// Add user-provided convert args
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command = append(command, s.QemuImgArgs.Convert...)
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// Add format, and paths.
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command = append(command, "-O", s.Format, sourcePath, targetPath)
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return command
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}
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func (s *stepCopyDisk) Cleanup(state multistep.StateBag) {}
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