packer-cn/builder/amazon/common/ami_config.go

68 lines
1.4 KiB
Go

package common
import (
"fmt"
"github.com/mitchellh/packer/common"
)
// AMIConfig is for common configuration related to creating AMIs.
type AMIConfig struct {
AMIName string `mapstructure:"ami_name"`
AMIDescription string `mapstructure:"ami_description"`
AMIUsers []string `mapstructure:"ami_users"`
AMIGroups []string `mapstructure:"ami_groups"`
AMIProductCodes []string `mapstructure:"ami_product_codes"`
}
func (c *AMIConfig) Prepare(t *common.Template) []error {
if t == nil {
var err error
t, err = common.NewTemplate()
if err != nil {
return []error{err}
}
}
templates := map[string]*string{
"ami_name": &c.AMIName,
"ami_description": &c.AMIDescription,
}
errs := make([]error, 0)
for n, ptr := range templates {
var err error
*ptr, err = t.Process(*ptr, nil)
if err != nil {
errs = append(
errs, fmt.Errorf("Error processing %s: %s", n, err))
}
}
sliceTemplates := map[string][]string{
"ami_users": c.AMIUsers,
"ami_groups": c.AMIGroups,
"ami_product_codes": c.AMIProductCodes,
}
for n, slice := range sliceTemplates {
for i, elem := range slice {
var err error
slice[i], err = t.Process(elem, nil)
if err != nil {
errs = append(
errs, fmt.Errorf("Error processing %s[%d]: %s", n, i, err))
}
}
}
if c.AMIName == "" {
errs = append(errs, fmt.Errorf("ami_name must be specified"))
}
if len(errs) > 0 {
return errs
}
return nil
}