github.com/rahart/packer@v0.12.2-0.20161229105310-282bb6ad370f/fix/fixer_amazon_shutdown_behavior.go (about)

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