adding support for library mode lcore deployment

bundle/manifests/lightspeed-operator.clusterserviceversion.yaml

@@ -36,9 +36,9 @@ metadata:
           }
         }
       ]
-    capabilities: Basic Install
+    capabilities: Seamless Upgrades
     console.openshift.io/operator-monitoring-default: "true"
-    createdAt: "2025-12-18T10:30:55Z"
+    createdAt: "2026-01-28T20:15:15Z"
     features.operators.openshift.io/cnf: "false"
     features.operators.openshift.io/cni: "false"
     features.operators.openshift.io/csi: "false"
@@ -606,6 +606,7 @@ spec:
                       - --cert-dir=/etc/tls/private
                       - --lcore-image=quay.io/lightspeed-core/lightspeed-stack:dev-latest
                       - --use-lcore=false
+                      - --lcore-server=true
                       - --service-image=quay.io/openshift-lightspeed/lightspeed-service-api:latest
                       - --console-image=quay.io/openshift-lightspeed/lightspeed-console-plugin:latest
                       - --console-image-pf5=quay.io/openshift-lightspeed/lightspeed-console-plugin-pf5:latest

cmd/main.go

@@ -177,6 +177,7 @@ func main() {
 	var dataverseExporterImage string
 	var ocpRagImage string
 	var useLCore bool
+	var lcoreServerMode bool
 	flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
 	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
@@ -197,6 +198,7 @@ func main() {
 	flag.StringVar(&dataverseExporterImage, "dataverse-exporter-image", utils.DataverseExporterImageDefault, "The image of the dataverse exporter container.")
 	flag.StringVar(&ocpRagImage, "ocp-rag-image", utils.OcpRagImageDefault, "The image with the OCP RAG databases.")
 	flag.BoolVar(&useLCore, "use-lcore", false, "Use LCore instead of AppServer for the application server deployment.")
+	flag.BoolVar(&lcoreServerMode, "lcore-server", true, "Use LCore in a server mode.")
 	opts := zap.Options{
 		Development: true,
 	}
@@ -219,6 +221,13 @@ func main() {
 	}
 	setupLog.Info("========================================")
 	setupLog.Info(">>> BACKEND CONFIGURATION <<<", "backendType", backendType)
+	if useLCore {
+		deploymentMode := "server"
+		if !lcoreServerMode {
+			deploymentMode = "library"
+		}
+		setupLog.Info(">>> LCORE DEPLOYMENT MODE <<<", "mode", deploymentMode)
+	}
 	setupLog.Info("========================================")
 
 	setupLog.Info("Starting the operator", "metricsAddr", metricsAddr, "probeAddr", probeAddr, "certDir", certDir, "certName", certName, "keyName", keyName, "namespace", namespace)
@@ -430,6 +439,7 @@ func main() {
 			DataverseExporterImage:         imagesMap["dataverse-exporter-image"],
 			LightspeedCoreImage:            imagesMap["lightspeed-core"],
 			UseLCore:                       useLCore,
+			LCoreServerMode:                lcoreServerMode,
 			Namespace:                      namespace,
 			PrometheusAvailable:            prometheusAvailable,
 		},

config/manager/manager.yaml

@@ -73,6 +73,7 @@ spec:
         - "--cert-dir=/etc/tls/private"
         - "--lcore-image=quay.io/lightspeed-core/lightspeed-stack:dev-latest"
         - "--use-lcore=false"
+        - "--lcore-server=true"
         image: quay.io/openshift-lightspeed/lightspeed-operator:latest
         imagePullPolicy: Always
         name: manager

internal/controller/lcore/config.go

@@ -681,7 +681,7 @@ func buildLlamaStackYAML(r reconciler.Reconciler, ctx context.Context, cr *olsv1
 // LCore Config component builder functions (return maps for maintainability)
 // ============================================================================
 
-func buildLCoreServiceConfig(_ reconciler.Reconciler, cr *olsv1alpha1.OLSConfig) map[string]interface{} {
+func buildLCoreServiceConfig(r reconciler.Reconciler, cr *olsv1alpha1.OLSConfig) map[string]interface{} {
 	// Map LogLevel from OLSConfig
 	// Valid values: DEBUG, INFO, WARNING, ERROR, CRITICAL
 	// Default to info if not specified
@@ -693,7 +693,7 @@ func buildLCoreServiceConfig(_ reconciler.Reconciler, cr *olsv1alpha1.OLSConfig)
 	// color_log: enable colored logs for DEBUG, disable for production (INFO+)
 	colorLog := logLevel == olsv1alpha1.LogLevelDebug
 
-	return map[string]interface{}{
+	serviceConfig := map[string]interface{}{
 		"host":         "0.0.0.0",
 		"port":         utils.OLSAppServerContainerPort,
 		"auth_enabled": false,
@@ -707,14 +707,27 @@ func buildLCoreServiceConfig(_ reconciler.Reconciler, cr *olsv1alpha1.OLSConfig)
 			"tls_key_path":         "/etc/certs/lightspeed-tls/tls.key",
 		},
 	}
+
+	return serviceConfig
 }
 
-func buildLCoreLlamaStackConfig(_ reconciler.Reconciler, _ *olsv1alpha1.OLSConfig) map[string]interface{} {
-	return map[string]interface{}{
-		"use_as_library_client": false,
+func buildLCoreLlamaStackConfig(r reconciler.Reconciler, _ *olsv1alpha1.OLSConfig) map[string]interface{} {
+	// Server mode: llama-stack runs as a separate service (container)
+	// Library mode: llama-stack runs as an embedded library
+	isLibraryMode := r != nil && !r.GetLCoreServerMode()
+
+	llamaStackConfig := map[string]interface{}{
+		"use_as_library_client": isLibraryMode,
 		"url":                   "http://localhost:8321",
 		"api_key":               "xyzzy",
 	}
+
+	// In library mode, add path to llama-stack config file
+	if isLibraryMode {
+		llamaStackConfig["library_client_config_path"] = utils.LlamaStackConfigMountPath
+	}
+
+	return llamaStackConfig
 }
 
 func buildLCoreUserDataCollectionConfig(_ reconciler.Reconciler, cr *olsv1alpha1.OLSConfig) map[string]interface{} {