30 lines
690 B
Go
30 lines
690 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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"os/exec"
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)
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type StepPull struct{}
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func (s *StepPull) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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ui.Say(fmt.Sprintf("Pulling Docker image: %s", config.Image))
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cmd := exec.Command("docker", "pull", config.Image)
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if err := runAndStream(cmd, ui); err != nil {
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err := fmt.Errorf("Error pulling Docker image: %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 *StepPull) Cleanup(state multistep.StateBag) {
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}
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