remove redundant keep_input_artifact code from googlecompute-export and googlecompute-import pps. The behavior coded here was already enforced by the core postprocessor code in packer/build.go

post-processor/googlecompute-export/post-processor.go

@@ -17,14 +17,13 @@ type Config struct {
 
 	AccountFile string `mapstructure:"account_file"`
 
-	DiskSizeGb        int64    `mapstructure:"disk_size"`
-	DiskType          string   `mapstructure:"disk_type"`
-	KeepOriginalImage bool     `mapstructure:"keep_input_artifact"`
-	MachineType       string   `mapstructure:"machine_type"`
-	Network           string   `mapstructure:"network"`
-	Paths             []string `mapstructure:"paths"`
-	Subnetwork        string   `mapstructure:"subnetwork"`
-	Zone              string   `mapstructure:"zone"`
+	DiskSizeGb  int64    `mapstructure:"disk_size"`
+	DiskType    string   `mapstructure:"disk_type"`
+	MachineType string   `mapstructure:"machine_type"`
+	Network     string   `mapstructure:"network"`
+	Paths       []string `mapstructure:"paths"`
+	Subnetwork  string   `mapstructure:"subnetwork"`
+	Zone        string   `mapstructure:"zone"`
 
 	Account googlecompute.AccountFile
 	ctx     interpolate.Context
@@ -80,7 +79,7 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 		err := fmt.Errorf(
 			"Unknown artifact type: %s\nCan only export from Google Compute Engine builder artifacts.",
 			artifact.BuilderId())
-		return nil, p.config.KeepOriginalImage, false, err
+		return nil, false, false, err
 	}
 
 	builderAccountFile := artifact.State("AccountFilePath").(string)
@@ -98,13 +97,13 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 	if builderAccountFile != "" {
 		err := googlecompute.ProcessAccountFile(&p.config.Account, builderAccountFile)
 		if err != nil {
-			return nil, p.config.KeepOriginalImage, false, err
+			return nil, false, false, err
 		}
 	}
 	if p.config.AccountFile != "" {
 		err := googlecompute.ProcessAccountFile(&p.config.Account, p.config.AccountFile)
 		if err != nil {
-			return nil, p.config.KeepOriginalImage, false, err
+			return nil, false, false, err
 		}
 	}
 
@@ -141,7 +140,7 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 
 	driver, err := googlecompute.NewDriverGCE(ui, builderProjectId, &p.config.Account)
 	if err != nil {
-		return nil, p.config.KeepOriginalImage, false, err
+		return nil, false, false, err
 	}
 
 	// Set up the state.
@@ -169,5 +168,5 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 
 	result := &Artifact{paths: p.config.Paths}
 
-	return result, p.config.KeepOriginalImage, false, nil
+	return result, false, false, nil
 }

post-processor/googlecompute-import/post-processor.go

@@ -31,7 +31,6 @@ type Config struct {
 	ImageGuestOsFeatures []string          `mapstructure:"image_guest_os_features"`
 	ImageLabels          map[string]string `mapstructure:"image_labels"`
 	ImageName            string            `mapstructure:"image_name"`
-	KeepOriginalImage    bool              `mapstructure:"keep_input_artifact"`
 	SkipClean            bool              `mapstructure:"skip_clean"`
 
 	Account googlecompute.AccountFile
@@ -114,22 +113,22 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 
 	rawImageGcsPath, err := UploadToBucket(client, ui, artifact, p.config.Bucket, p.config.GCSObjectName)
 	if err != nil {
-		return nil, p.config.KeepOriginalImage, false, err
+		return nil, false, false, err
 	}
 
 	gceImageArtifact, err := CreateGceImage(client, ui, p.config.ProjectId, rawImageGcsPath, p.config.ImageName, p.config.ImageDescription, p.config.ImageFamily, p.config.ImageLabels, p.config.ImageGuestOsFeatures)
 	if err != nil {
-		return nil, p.config.KeepOriginalImage, false, err
+		return nil, false, false, err
 	}
 
 	if !p.config.SkipClean {
 		err = DeleteFromBucket(client, ui, p.config.Bucket, p.config.GCSObjectName)
 		if err != nil {
-			return nil, p.config.KeepOriginalImage, false, err
+			return nil, false, false, err
 		}
 	}
 
-	return gceImageArtifact, p.config.KeepOriginalImage, false, nil
+	return gceImageArtifact, false, false, nil
 }
 
 func UploadToBucket(client *http.Client, ui packer.Ui, artifact packer.Artifact, bucket string, gcsObjectName string) (string, error) {