35 lines
784 B
Go
35 lines
784 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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"log"
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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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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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if !config.Pull {
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log.Println("Pull disabled, won't docker pull")
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return multistep.ActionContinue
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}
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ui.Say(fmt.Sprintf("Pulling Docker image: %s", config.Image))
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if err := driver.Pull(config.Image); 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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