packer-cn/builder/parallels/common/step_upload_version.go

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package common
import (
"bytes"
"context"
"fmt"
"log"
"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
)
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// StepUploadVersion is a step that uploads a file containing the version of
// Parallels Desktop, which can be useful for various provisioning reasons.
//
// Uses:
// communicator packer.Communicator
// driver Driver
// ui packer.Ui
type StepUploadVersion struct {
Path string
}
// Run uploads a file containing the version of Parallels Desktop.
func (s *StepUploadVersion) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
comm := state.Get("communicator").(packer.Communicator)
driver := state.Get("driver").(Driver)
ui := state.Get("ui").(packer.Ui)
if s.Path == "" {
log.Println("ParallelsVersionFile is empty. Not uploading.")
return multistep.ActionContinue
}
version, err := driver.Version()
if err != nil {
state.Put("error", fmt.Errorf("Error reading version for metadata upload: %s", err))
return multistep.ActionHalt
}
ui.Say(fmt.Sprintf("Uploading Parallels version info (%s)", version))
var data bytes.Buffer
data.WriteString(version)
if err := comm.Upload(s.Path, &data, nil); err != nil {
state.Put("error", fmt.Errorf("Error uploading Parallels version: %s", err))
return multistep.ActionHalt
}
return multistep.ActionContinue
}
// Cleanup does nothing.
func (s *StepUploadVersion) Cleanup(state multistep.StateBag) {}