feat(helm): Add ability to remove grpclb port from query frontend service

Author: GarnerBot

docs/sources/setup/install/helm/reference.md

@@ -10468,6 +10468,9 @@ null
     "tag": null
   },
   "initContainers": [],
+  "loadBalancer": {
+    "enabled": true
+  },
   "maxUnavailable": 1,
   "nodeSelector": {},
   "podAnnotations": {},
@@ -10619,6 +10622,17 @@ null
 			<td><pre lang="json">
 []
 </pre>
+</td>
+		</tr>
+		<tr>
+			<td>queryScheduler.loadBalancer</td>
+			<td>object</td>
+			<td>Enable load balancer port for query-scheduler</td>
+			<td><pre lang="json">
+{
+  "enabled": true
+}
+</pre>
 </td>
 		</tr>
 		<tr>

production/helm/loki/templates/query-frontend/service-query-frontend.yaml

@@ -32,13 +32,15 @@ spec:
       {{- if .Values.queryFrontend.appProtocol.grpc }}
       appProtocol: {{ .Values.queryFrontend.appProtocol.grpc }}
       {{- end }}
+    {{- if .Values.queryFrontend.loadBalancer.enabled }}
     - name: grpclb
       port: 9096
       targetPort: grpc
       protocol: TCP
       {{- if .Values.queryFrontend.appProtocol.grpc }}
       appProtocol: {{ .Values.queryFrontend.appProtocol.grpc }}
       {{- end }}
+    {{- end }}
   selector:
     {{- include "loki.queryFrontendSelectorLabels" . | nindent 4 }}
 {{- end -}}

production/helm/loki/values.yaml

@@ -2541,6 +2541,9 @@ queryScheduler:
   # -- Set the optional grpc service protocol. Ex: "grpc", "http2" or "https"
   appProtocol:
     grpc: ""
+  # -- Enable load balancer port for query-scheduler
+  loadBalancer:
+    enabled: true
 # -- Configuration for the index-gateway
 indexGateway:
   # -- Number of replicas for the index-gateway