39 lines
876 B
Go
39 lines
876 B
Go
package docker
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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/packer"
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"io/ioutil"
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"os"
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)
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// StepTempDir creates a temporary directory that we use in order to
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// share data with the docker container over the communicator.
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type StepTempDir struct {
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tempDir string
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}
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func (s *StepTempDir) Run(state multistep.StateBag) multistep.StepAction {
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Creating a temporary directory for sharing data...")
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td, err := ioutil.TempDir("", "packer-docker")
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if err != nil {
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err := fmt.Errorf("Error making temp dir: %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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s.tempDir = td
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state.Put("temp_dir", s.tempDir)
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return multistep.ActionContinue
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}
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func (s *StepTempDir) Cleanup(state multistep.StateBag) {
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if s.tempDir != "" {
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os.RemoveAll(s.tempDir)
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}
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}
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