52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
//go:generate struct-markdown
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package common
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import (
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"fmt"
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"os"
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"path"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/template/interpolate"
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)
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// OutputConfig contains the configuration for builder's output.
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type OutputConfig struct {
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// This is the path to the directory where the
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// resulting virtual machine will be created. This may be relative or absolute.
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// If relative, the path is relative to the working directory when packer
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// is executed. This directory must not exist or be empty prior to running
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// the builder. By default this is "output-BUILDNAME" where "BUILDNAME" is the
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// name of the build.
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OutputDir string `mapstructure:"output_directory" required:"false"`
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}
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// Prepare configures the output directory or returns an error if it already exists.
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func (c *OutputConfig) Prepare(ctx *interpolate.Context, 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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var errs []error
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if path.IsAbs(c.OutputDir) {
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c.OutputDir = path.Clean(c.OutputDir)
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} else {
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wd, err := os.Getwd()
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if err != nil {
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errs = append(errs, err)
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}
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c.OutputDir = path.Clean(path.Join(wd, c.OutputDir))
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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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