From 61a31ccef34dfd6f52a5c0c460a0f094bf023ae9 Mon Sep 17 00:00:00 2001
From: Amanda Vialva <amanda.vialva@hpe.com>
Date: Mon, 21 Oct 2024 12:25:38 -0400
Subject: [PATCH] address more comments

---
 master/internal/configpolicy/utils.go | 88 +++++++++++++++------------
 1 file changed, 50 insertions(+), 38 deletions(-)

diff --git a/master/internal/configpolicy/utils.go b/master/internal/configpolicy/utils.go
index 43c821dd5680..9e6fb1b9c82b 100644
--- a/master/internal/configpolicy/utils.go
+++ b/master/internal/configpolicy/utils.go
@@ -44,6 +44,39 @@ func ValidWorkloadType(val string) bool {
 	}
 }
 
+func UnmarshalConfigPolicies[T any](errMsg string, constraints,
+	invariantConfig *string) (*model.Constraints, *T,
+	error,
+) {
+	var globalConstraints *model.Constraints
+	var globalConfig *T
+
+	if constraints != nil {
+		unmarshaledConstraints, err := UnmarshalConfigPolicy[model.Constraints](
+			*constraints,
+			errMsg,
+		)
+		if err != nil {
+			ConfigPolicyWarning(err.Error())
+			return nil, nil, err
+		}
+		globalConstraints = unmarshaledConstraints
+	}
+
+	if invariantConfig != nil {
+		unmarshaledConfig, err := UnmarshalConfigPolicy[T](
+			*invariantConfig,
+			errMsg,
+		)
+		if err != nil {
+			ConfigPolicyWarning(err.Error())
+			return nil, nil, err
+		}
+		globalConfig = unmarshaledConfig
+	}
+	return globalConstraints, globalConfig, nil
+}
+
 // UnmarshalConfigPolicy is a generic helper function to unmarshal both JSON and YAML strings.
 func UnmarshalConfigPolicy[T any](str string, errString string) (*T, error) {
 	var configPolicy T
@@ -87,30 +120,16 @@ func ValidateExperimentConfig(
 	var globalConstraints *model.Constraints
 	var globalConfig *expconf.ExperimentConfig
 	if globalConfigPolicies != nil {
-		if globalConfigPolicies.Constraints != nil {
-			globalConstraints, err = UnmarshalConfigPolicy[model.Constraints](
-				*globalConfigPolicies.Constraints,
-				InvalidExperimentConfigPolicyErr,
-			)
-			if err != nil {
-				ConfigPolicyWarning(err.Error())
-				return err
-			}
-		}
-
-		if globalConfigPolicies.InvariantConfig != nil {
-			globalConfig, err = UnmarshalConfigPolicy[expconf.ExperimentConfig](
-				*globalConfigPolicies.InvariantConfig,
-				InvalidExperimentConfigPolicyErr,
-			)
-			if err != nil {
-				ConfigPolicyWarning(err.Error())
-				return err
-			}
+		globalConstraints, globalConfig, err = UnmarshalConfigPolicies[expconf.ExperimentConfig](
+			InvalidExperimentConfigPolicyErr,
+			globalConfigPolicies.Constraints,
+			globalConfigPolicies.InvariantConfig)
+		if err != nil {
+			return err
 		}
 
-		warnConfigPolicyOverlap(globalConstraints, cp.Constraints)
-		warnConfigPolicyOverlap(globalConfig, cp.InvariantConfig)
+		configPolicyOverlap(globalConstraints, cp.Constraints)
+		configPolicyOverlap(globalConfig, cp.InvariantConfig)
 	}
 
 	if cp.Constraints != nil {
@@ -161,24 +180,17 @@ func ValidateNTSCConfig(
 	var globalConfig *model.CommandConfig
 	if globalConfigPolicies != nil {
 		if globalConfigPolicies.Constraints != nil {
-			globalConstraints, err = UnmarshalConfigPolicy[model.Constraints](*globalConfigPolicies.Constraints,
-				InvalidNTSCConfigPolicyErr)
-			if err != nil {
-				ConfigPolicyWarning(err.Error())
-				return err
-			}
-		}
-		if globalConfigPolicies.InvariantConfig != nil {
-			globalConfig, err = UnmarshalConfigPolicy[model.CommandConfig](*globalConfigPolicies.InvariantConfig,
-				InvalidNTSCConfigPolicyErr)
+			globalConstraints, globalConfig, err = UnmarshalConfigPolicies[model.CommandConfig](
+				InvalidNTSCConfigPolicyErr,
+				globalConfigPolicies.Constraints,
+				globalConfigPolicies.InvariantConfig)
 			if err != nil {
-				ConfigPolicyWarning(err.Error())
 				return err
 			}
 		}
 
-		warnConfigPolicyOverlap(globalConstraints, cp.Constraints)
-		warnConfigPolicyOverlap(globalConfig, cp.InvariantConfig)
+		configPolicyOverlap(globalConstraints, cp.Constraints)
+		configPolicyOverlap(globalConfig, cp.InvariantConfig)
 	}
 
 	if cp.Constraints != nil {
@@ -242,9 +254,9 @@ func checkConstraintConflicts(constraints *model.Constraints, maxSlots, slots, p
 	return nil
 }
 
-// warnConfigPolicyOverlap compares two different configurations and
-// warns the user when both configurations define the same field.
-func warnConfigPolicyOverlap(config1, config2 interface{}) {
+// configPolicyOverlap compares two different configurations and warns the user when both
+// configurations define the same field.
+func configPolicyOverlap(config1, config2 interface{}) {
 	if reflect.ValueOf(config1).Type() != reflect.ValueOf(config2).Type() &&
 		reflect.ValueOf(config1).Type() != reflect.ValueOf(&model.Constraints{}).Type() &&
 		reflect.ValueOf(config1).Type() != reflect.ValueOf(&model.CommandConfig{}).Type() &&