github.com/Hashicorp/packer@v1.3.2/fix/fixer_amazon_shutdown_behavior.go (about)

     1  package fix
     2  
     3  import (
     4  	"strings"
     5  
     6  	"github.com/mitchellh/mapstructure"
     7  )
     8  
     9  // FixerAmazonShutdownBehavior fix the spelling of "shutdown_behavior"
    10  // template in a Amazon builder
    11  type FixerAmazonShutdownBehavior struct{}
    12  
    13  func (FixerAmazonShutdownBehavior) Fix(input map[string]interface{}) (map[string]interface{}, error) {
    14  	// The type we'll decode into; we only care about builders
    15  	type template struct {
    16  		Builders []map[string]interface{}
    17  	}
    18  
    19  	// Decode the input into our structure, if we can
    20  	var tpl template
    21  	if err := mapstructure.Decode(input, &tpl); err != nil {
    22  		return nil, err
    23  	}
    24  
    25  	for _, builder := range tpl.Builders {
    26  		builderTypeRaw, ok := builder["type"]
    27  		if !ok {
    28  			continue
    29  		}
    30  
    31  		builderType, ok := builderTypeRaw.(string)
    32  		if !ok {
    33  			continue
    34  		}
    35  
    36  		if !strings.HasPrefix(builderType, "amazon-") {
    37  			continue
    38  		}
    39  
    40  		shutdownBehavior, ok := builder["shutdown_behaviour"]
    41  
    42  		if ok {
    43  			builder["shutdown_behavior"] = shutdownBehavior
    44  			delete(builder, "shutdown_behaviour")
    45  		}
    46  	}
    47  
    48  	input["builders"] = tpl.Builders
    49  	return input, nil
    50  }
    51  
    52  func (FixerAmazonShutdownBehavior) Synopsis() string {
    53  	return `Changes "shutdown_behaviour" to "shutdown_behavior" in Amazon builders.`
    54  }