fix: map KongConsumer to respective KongConsumerGroup in Konnect

CHANGELOG.md

@@ -129,7 +129,8 @@ Adding a new version? You'll need three changes:
   [#6881](https://github.com/Kong/kubernetes-ingress-controller/pull/6881)
 - `AddToScheme` is only run in the initialization of scheme of the manager but
   not called in `scheme.Get` to reduce the CPU usage.
-  [#7105](https://github.com/Kong/kubernetes-ingress-controller/pull/7105) 
+  [#7105](https://github.com/Kong/kubernetes-ingress-controller/pull/7105)
+- Fix mapping `KongConsumer` to respective `KongConsumerGroup` in Konnect
 
 ## [3.4.1]
 

internal/dataplane/kongstate/consumer.go

@@ -32,8 +32,9 @@ type Consumer struct {
 // SanitizedCopy returns a shallow copy with sensitive values redacted best-effort.
 func (c *Consumer) SanitizedCopy(uuidGenerator util.UUIDGenerator) Consumer {
 	return Consumer{
-		Consumer: c.Consumer,
-		Plugins:  c.Plugins,
+		Consumer:       c.Consumer,
+		Plugins:        c.Plugins,
+		ConsumerGroups: c.ConsumerGroups,
 		KeyAuths: func() []*KeyAuth {
 			if c.KeyAuths == nil {
 				return nil

internal/dataplane/kongstate/consumer_test.go

@@ -29,6 +29,10 @@ func TestConsumer_SanitizedCopy(t *testing.T) {
 					CreatedAt: int64Ptr(4),
 					Tags:      []*string{kong.String("5.1"), kong.String("5.2")},
 				},
+				ConsumerGroups: []kong.ConsumerGroup{
+					{ID: kong.String("group-1")},
+					{ID: kong.String("group-2")},
+				},
 				Plugins: []kong.Plugin{{ID: kong.String("1")}},
 				KeyAuths: []*KeyAuth{
 					{
@@ -75,6 +79,10 @@ func TestConsumer_SanitizedCopy(t *testing.T) {
 					CreatedAt: int64Ptr(4),
 					Tags:      []*string{kong.String("5.1"), kong.String("5.2")},
 				},
+				ConsumerGroups: []kong.ConsumerGroup{
+					{ID: kong.String("group-1")},
+					{ID: kong.String("group-2")},
+				},
 				Plugins: []kong.Plugin{{ID: kong.String("1")}},
 				KeyAuths: []*KeyAuth{
 					{