func buildDaisyVars()

in cli_tools/gce_vm_image_export/exporter/exporter.go [113:164]
42 lines of code
9 McCabe index (conditional complexity)

func buildDaisyVars(destinationURI string, sourceImage string, sourceDiskSnapshot string, imageDiskSizeGb int64, format string, network string,
	subnet string, region string, computeServiceAccount string) map[string]string {

	destinationURI = strings.TrimSpace(destinationURI)
	sourceImage = strings.TrimSpace(sourceImage)
	sourceDiskSnapshot = strings.TrimSpace(sourceDiskSnapshot)
	format = strings.TrimSpace(format)
	network = strings.TrimSpace(network)
	subnet = strings.TrimSpace(subnet)
	region = strings.TrimSpace(region)
	computeServiceAccount = strings.TrimSpace(computeServiceAccount)

	varMap := map[string]string{}

	varMap["destination"] = destinationURI

	if sourceImage != "" {
		varMap["source_image"] = param.GetGlobalResourcePath(
			"images", sourceImage)
	}

	if sourceDiskSnapshot != "" {
		varMap["source_disk_snapshot"] = param.GetGlobalResourcePath("snapshots", sourceDiskSnapshot)
	}

	if imageDiskSizeGb > 0 {
		//add 5% for the buffer disk for disk file format/file system overhead if image contains truly random data
		bufferDiskSizeGb := int64(math.Ceil(float64(imageDiskSizeGb) * 1.05))
		varMap["export_instance_disk_size"] = strconv.FormatInt(bufferDiskSizeGb, 10)
	}

	if format != "" {
		varMap["format"] = format
	}
	if subnet != "" {
		varMap["export_subnet"] = param.GetRegionalResourcePath(
			region, "subnetworks", subnet)

		// When subnet is set, we need to grant a value to network to avoid fallback to default
		if network == "" {
			varMap["export_network"] = ""
		}
	}
	if network != "" {
		varMap["export_network"] = param.GetGlobalResourcePath(
			"networks", network)
	}
	if computeServiceAccount != "" {
		varMap["compute_service_account"] = computeServiceAccount
	}
	return varMap
}