func extractRego()

in pkg/gcv/oldconfigs/config.go [154:183]

• 21 lines of code
• 6 McCabe index (conditional complexity)

func extractRego(yaml *simpleyaml.Yaml) (string, error) {
	targets := yaml.GetPath("spec", "targets")
	if !targets.IsArray() {
		// Old format looks like the following
		// targets:
		//   validation.gcp.forsetisecurity.org:
		//     rego:
		return targets.GetPath(expectedTarget, "rego").String()
	}
	// New format looks like the following
	// targets:
	//  - target: validation.gcp.forsetisecurity.org
	//    rego:
	size, err := targets.GetArraySize()
	if err != nil {
		return "", err
	}
	for i := 0; i < size; i++ {
		target := targets.GetIndex(i)
		targetString, err := target.Get("target").String()
		if err != nil {
			return "", err
		}
		if targetString == expectedTarget {
			return target.Get("rego").String()
		}
	}

	return "", status.Error(codes.InvalidArgument, "Unable to locate rego field in constraint template")
}