41 lines
868 B
Go
41 lines
868 B
Go
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package common
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import (
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"fmt"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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"os"
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)
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type OutputConfig struct {
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OutputDir string `mapstructure:"output_directory"`
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}
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func (c *OutputConfig) Prepare(t *packer.ConfigTemplate, pc *common.PackerConfig) []error {
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if c.OutputDir == "" {
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c.OutputDir = fmt.Sprintf("output-%s", pc.PackerBuildName)
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}
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templates := map[string]*string{
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"output_directory": &c.OutputDir,
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}
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errs := make([]error, 0)
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for n, ptr := range templates {
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var err error
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*ptr, err = t.Process(*ptr, nil)
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if err != nil {
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errs = append(errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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if !pc.PackerForce {
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if _, err := os.Stat(c.OutputDir); err == nil {
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errs = append(errs, fmt.Errorf(
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"Output directory '%s' already exists. It must not exist.", c.OutputDir))
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}
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}
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return errs
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}
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