62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package docker
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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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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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ExportPath string `mapstructure:"export_path"`
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Image string
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tpl *packer.ConfigTemplate
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}
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func NewConfig(raws ...interface{}) (*Config, []string, error) {
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c := new(Config)
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md, err := common.DecodeConfig(c, raws...)
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if err != nil {
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return nil, nil, err
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}
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c.tpl, err = packer.NewConfigTemplate()
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if err != nil {
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return nil, nil, err
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}
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errs := common.CheckUnusedConfig(md)
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templates := map[string]*string{
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"export_path": &c.ExportPath,
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"image": &c.Image,
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}
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for n, ptr := range templates {
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var err error
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*ptr, err = c.tpl.Process(*ptr, nil)
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if err != nil {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("Error processing %s: %s", n, err))
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}
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}
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if c.ExportPath == "" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("export_path must be specified"))
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}
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if c.Image == "" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("image must be specified"))
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}
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if errs != nil && len(errs.Errors) > 0 {
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return nil, nil, errs
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}
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return c, nil, nil
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}
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