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package common
import (
"context"
"fmt"
"io/ioutil"
"log"
"os"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/packer/tmp"
)
type StepCreateBuildDir struct {
// User supplied directory under which we create the main build
// directory. The build directory is used to house the VM files and
// folders during the build. If unspecified the default temp directory
// for the OS is used
TempPath string
// The full path to the build directory. This is the concatenation of
// TempPath plus a directory uniquely named for the build
buildDir string
}
// Creates the main directory used to house the VMs files and folders
// during the build
func (s *StepCreateBuildDir) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
ui.Say("Creating build directory...")
var err error
if s.TempPath == "" {
s.buildDir, err = tmp.Dir("hyperv")
} else {
s.buildDir, err = ioutil.TempDir(s.TempPath, "hyperv")
}
if err != nil {
err = fmt.Errorf("Error creating build directory: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
log.Printf("Created build directory: %s", s.buildDir)
// Record the build directory location for later steps
state.Put("build_dir", s.buildDir)
return multistep.ActionContinue
}
// Cleanup removes the build directory
func (s *StepCreateBuildDir) Cleanup(state multistep.StateBag) {
if s.buildDir == "" {
return
}
ui := state.Get("ui").(packer.Ui)
ui.Say("Deleting build directory...")
err := os.RemoveAll(s.buildDir)
if err != nil {
ui.Error(fmt.Sprintf("Error deleting build directory: %s", err))
}
}
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