Also add params

Author: rahulgurnani

pkg/epp/config/loader/configloader.go

@@ -19,6 +19,7 @@ package loader
 import (
 	"errors"
 	"fmt"
+	"encoding/json"
 
 	"github.com/go-logr/logr"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -166,6 +167,7 @@ func decodeRawConfig(configBytes []byte) (*configapi.EndpointPickerConfig, error
 
 func instantiatePlugins(configuredPlugins []configapi.PluginSpec, handle fwkplugin.Handle) error {
 	pluginNames := sets.New[string]()
+	var approxPrefixCacheParams json.RawMessage
 	foundPrefixCacheScorer := false
 	for _, spec := range configuredPlugins {
 		if spec.Type == "" {
@@ -191,10 +193,11 @@ func instantiatePlugins(configuredPlugins []configapi.PluginSpec, handle fwkplug
 		// This is due to historical reasons where the scorer plugin was developed before the dataproducer plugins were introduced.
 		if spec.Type == prefix.PrefixCacheScorerPluginType {
 			foundPrefixCacheScorer = true
+			approxPrefixCacheParams = spec.Parameters
 		}
 	}
 	if foundPrefixCacheScorer && !existsByType(handle, reqdataprodprefix.ApproxPrefixCachePluginType) {
-		plugin, err := reqdataprodprefix.ApproxPrefixCacheFactory(reqdataprodprefix.ApproxPrefixCachePluginType, nil, handle)
+		plugin, err := reqdataprodprefix.ApproxPrefixCacheFactory(reqdataprodprefix.ApproxPrefixCachePluginType, approxPrefixCacheParams, handle)
 		if err != nil {
 			return fmt.Errorf("failed to create ApproxPrefixCache plugin for prefix cache plugin: %w", err)
 		}