fix(bucket): also sanitize observed FilterRules.Name of lambda and to…

…pic configs

Signed-off-by: Charel Baum (external expert on behalf of DB InfraGO AG) <charel.baum-extern@deutschebahn.com>

pkg/controller/s3/bucket/convert/converter_types.go

@@ -23,5 +23,7 @@ import (
 // goverter:converter
 // goverter:ignoreUnexported
 type Converter interface {
+	DeepCopyAWSLambdaFunctionConfiguration([]types.LambdaFunctionConfiguration) []types.LambdaFunctionConfiguration
 	DeepCopyAWSQueueConfiguration([]types.QueueConfiguration) []types.QueueConfiguration
+	DeepCopyAWSTopicConfiguration([]types.TopicConfiguration) []types.TopicConfiguration
 }

pkg/controller/s3/bucket/notificationConfig.go

@@ -96,10 +96,12 @@ func IsNotificationConfigurationUpToDate(cr *v1beta1.NotificationConfiguration,
 	sortTopic(generated.TopicConfigurations)
 	sortTopic(external.TopicConfigurations)
 
-	// The AWS API returns QueueConfiguration.Filter.Key.FilterRules.Name as "Prefix"/"Suffix" but expects
+	// The AWS API returns *Configuration.Filter.Key.FilterRules.Name as "Prefix"/"Suffix" but expects
 	// "prefix"/"suffix" this leads to inconsistency and a constant diff. Fixes
 	// https://github.com/crossplane-contrib/provider-aws/issues/1165
+	external.LambdaFunctionConfigurations = sanitizedLambdaFunctionConfigurations(external.LambdaFunctionConfigurations)
 	external.QueueConfigurations = sanitizedQueueConfigurations(external.QueueConfigurations)
+	external.TopicConfigurations = sanitizedTopicConfigurations(external.TopicConfigurations)
 
 	if cmp.Equal(external.LambdaFunctionConfigurations, generated.LambdaFunctionConfigurations, cmpopts.IgnoreTypes(document.NoSerde{}, types.LambdaFunctionConfiguration{}.Id), cmpopts.EquateEmpty()) &&
 		cmp.Equal(external.QueueConfigurations, generated.QueueConfigurations, cmpopts.IgnoreTypes(document.NoSerde{}, types.QueueConfiguration{}.Id), cmpopts.EquateEmpty()) &&
@@ -137,6 +139,34 @@ func sortTopic(configs []types.TopicConfiguration) {
 	})
 }
 
+func sanitizedLambdaFunctionConfigurations(configs []types.LambdaFunctionConfiguration) []types.LambdaFunctionConfiguration {
+	if configs == nil {
+		return []types.LambdaFunctionConfiguration{}
+	}
+
+	sConfig := (&convert.ConverterImpl{}).DeepCopyAWSLambdaFunctionConfiguration(configs)
+	for c := range sConfig {
+		if sConfig[c].Events == nil {
+			sConfig[c].Events = []types.Event{}
+		}
+		if sConfig[c].Filter == nil {
+			continue
+		}
+		if sConfig[c].Filter.Key == nil {
+			continue
+		}
+		if sConfig[c].Filter.Key.FilterRules == nil {
+			sConfig[c].Filter.Key.FilterRules = []types.FilterRule{}
+		}
+		for r := range sConfig[c].Filter.Key.FilterRules {
+			name := string(sConfig[c].Filter.Key.FilterRules[r].Name)
+			sConfig[c].Filter.Key.FilterRules[r].Name = types.FilterRuleName(strings.ToLower(name))
+		}
+	}
+
+	return sConfig
+}
+
 func sanitizedQueueConfigurations(configs []types.QueueConfiguration) []types.QueueConfiguration {
 	if configs == nil {
 		return []types.QueueConfiguration{}
@@ -165,6 +195,34 @@ func sanitizedQueueConfigurations(configs []types.QueueConfiguration) []types.Qu
 	return sConfig
 }
 
+func sanitizedTopicConfigurations(configs []types.TopicConfiguration) []types.TopicConfiguration {
+	if configs == nil {
+		return []types.TopicConfiguration{}
+	}
+
+	sConfig := (&convert.ConverterImpl{}).DeepCopyAWSTopicConfiguration(configs)
+	for c := range sConfig {
+		if sConfig[c].Events == nil {
+			sConfig[c].Events = []types.Event{}
+		}
+		if sConfig[c].Filter == nil {
+			continue
+		}
+		if sConfig[c].Filter.Key == nil {
+			continue
+		}
+		if sConfig[c].Filter.Key.FilterRules == nil {
+			sConfig[c].Filter.Key.FilterRules = []types.FilterRule{}
+		}
+		for r := range sConfig[c].Filter.Key.FilterRules {
+			name := string(sConfig[c].Filter.Key.FilterRules[r].Name)
+			sConfig[c].Filter.Key.FilterRules[r].Name = types.FilterRuleName(strings.ToLower(name))
+		}
+	}
+
+	return sConfig
+}
+
 // GenerateLambdaConfiguration creates []awss3.LambdaFunctionConfiguration from the local NotificationConfiguration
 func GenerateLambdaConfiguration(config *v1beta1.NotificationConfiguration) []types.LambdaFunctionConfiguration {
 	// NOTE(muvaf): We skip prealloc because the behavior of AWS SDK differs when