fix: Add redis password to forwardCacheClient struct (#19599) (#19977)

Signed-off-by: Netanel Kadosh <kadoshnetanel@gmail.com>
Co-authored-by: Netanel Kadosh <kadoshnetanel@gmail.com>

cmd/argocd/commands/headless/headless.go

@@ -48,6 +48,7 @@ type forwardCacheClient struct {
 	err              error
 	redisHaProxyName string
 	redisName        string
+	redisPassword    string
 }
 
 func (c *forwardCacheClient) doLazy(action func(client cache.CacheClient) error) error {
@@ -64,7 +65,7 @@ func (c *forwardCacheClient) doLazy(action func(client cache.CacheClient) error)
 			return
 		}
 
-		redisClient := redis.NewClient(&redis.Options{Addr: fmt.Sprintf("localhost:%d", redisPort)})
+		redisClient := redis.NewClient(&redis.Options{Addr: fmt.Sprintf("localhost:%d", redisPort), Password: c.redisPassword})
 		c.client = cache.NewRedisCache(redisClient, time.Hour, c.compression)
 	})
 	if c.err != nil {
@@ -251,12 +252,12 @@ func MaybeStartLocalServer(ctx context.Context, clientOpts *apiclient.ClientOpti
 	if err != nil {
 		return fmt.Errorf("error running miniredis: %w", err)
 	}
-	appstateCache := appstatecache.NewCache(cache.NewCache(&forwardCacheClient{namespace: namespace, context: ctxStr, compression: compression, redisHaProxyName: clientOpts.RedisHaProxyName, redisName: clientOpts.RedisName}), time.Hour)
-
 	redisOptions := &redis.Options{Addr: mr.Addr()}
 	if err = common.SetOptionalRedisPasswordFromKubeConfig(ctx, kubeClientset, namespace, redisOptions); err != nil {
 		log.Warnf("Failed to fetch & set redis password for namespace %s: %v", namespace, err)
 	}
+
+	appstateCache := appstatecache.NewCache(cache.NewCache(&forwardCacheClient{namespace: namespace, context: ctxStr, compression: compression, redisHaProxyName: clientOpts.RedisHaProxyName, redisName: clientOpts.RedisName, redisPassword: redisOptions.Password}), time.Hour)
 	srv := server.NewServer(ctx, server.ArgoCDServerOpts{
 		EnableGZip:              false,
 		Namespace:               namespace,