64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package iso
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"time"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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type stepPrepareOutputDir struct{}
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func (stepPrepareOutputDir) 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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if _, err := os.Stat(config.OutputDir); err == nil && config.PackerForce {
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ui.Say("Deleting previous output directory...")
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os.RemoveAll(config.OutputDir)
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}
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// Create the directory
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if err := os.MkdirAll(config.OutputDir, 0755); err != nil {
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state.Put("error", err)
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return multistep.ActionHalt
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}
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// Make sure we can write in the directory
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f, err := os.Create(filepath.Join(config.OutputDir, "_packer_perm_check"))
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if err != nil {
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err = fmt.Errorf("Couldn't write to output directory: %s", err)
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state.Put("error", err)
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return multistep.ActionHalt
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}
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f.Close()
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os.Remove(f.Name())
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return multistep.ActionContinue
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}
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func (stepPrepareOutputDir) Cleanup(state multistep.StateBag) {
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_, cancelled := state.GetOk(multistep.StateCancelled)
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_, halted := state.GetOk(multistep.StateHalted)
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if cancelled || halted {
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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("Deleting output directory...")
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for i := 0; i < 5; i++ {
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err := os.RemoveAll(config.OutputDir)
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if err == nil {
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break
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}
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log.Printf("Error removing output dir: %s", err)
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time.Sleep(2 * time.Second)
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}
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}
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}
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