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

     1  package fix
     2  
     3  import (
     4  	"strings"
     5  
     6  	"github.com/mitchellh/mapstructure"
     7  )
     8  
     9  // FixerAmazonEnhancedNetworking is a Fixer that replaces the "enhanced_networking" configuration key
    10  // with the clearer "ena_support".  This disambiguates ena_support from sriov_support.
    11  type FixerAmazonEnhancedNetworking struct{}
    12  
    13  func (FixerAmazonEnhancedNetworking) Fix(input map[string]interface{}) (map[string]interface{}, error) {
    14  	// Our template type we'll use for this fixer only
    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  	// Go through each builder and replace the enhanced_networking if we can
    26  	for _, builder := range tpl.Builders {
    27  		builderTypeRaw, ok := builder["type"]
    28  		if !ok {
    29  			continue
    30  		}
    31  
    32  		builderType, ok := builderTypeRaw.(string)
    33  		if !ok {
    34  			continue
    35  		}
    36  
    37  		if !strings.HasPrefix(builderType, "amazon-") {
    38  			continue
    39  		}
    40  		enhancedNetworkingRaw, ok := builder["enhanced_networking"]
    41  		if !ok {
    42  			continue
    43  		}
    44  		enhancedNetworkingString, ok := enhancedNetworkingRaw.(bool)
    45  		if !ok {
    46  			// TODO: error?
    47  			continue
    48  		}
    49  
    50  		delete(builder, "enhanced_networking")
    51  		builder["ena_support"] = enhancedNetworkingString
    52  	}
    53  
    54  	input["builders"] = tpl.Builders
    55  	return input, nil
    56  }
    57  
    58  func (FixerAmazonEnhancedNetworking) Synopsis() string {
    59  	return `Replaces "enhanced_networking" in builders with "ena_support"`
    60  }