feat(agent): use default Loki datasource

src/agent/src/datasource.ts

@@ -1,10 +1,11 @@
 // Import Third-party Dependencies
-import { GrafanaApi } from "@myunisoft/loki";
+import { GrafanaApi, Datasource as GrafanaDatasource } from "@myunisoft/loki";
 
 export class Datasource {
   #lokiApi: GrafanaApi;
 
   private static datasource: Datasource;
+  private static cache: GrafanaDatasource;
 
   private constructor(host: string) {
     this.#lokiApi = new GrafanaApi({
@@ -17,10 +18,17 @@ export class Datasource {
   }
 
   static async Loki(host: string) {
+    if (this.cache !== undefined) {
+      return this.cache;
+    }
+
     this.datasource ??= new Datasource(host);
 
     const datasources = await this.datasource.fetchDatasources();
+    const lokiDatasources = datasources.filter((datasource) => datasource.type === "loki")!;
+    const datasource = datasources.find((datasource) => datasource.isDefault) ?? lokiDatasources.at(0)!;
+    this.cache = datasource;
 
-    return datasources.find((datasource) => datasource.type === "loki")!;
+    return datasource;
   }
 }

src/agent/src/utils/getLokiUrl.ts

@@ -5,10 +5,10 @@ import { SigynInitializedRule, getConfig } from "@sigyn/config";
 // Import Internal Dependencies
 import { Datasource } from "../datasource";
 import { durationOrCronToDate } from "./cron";
-import { NotifierAlert } from "../notifier";
+import { RuleNotifierAlert } from "../notifiers/rules.notifier";
 
 export async function getLokiUrl(
-  rule: NotifierAlert["rule"],
+  rule: RuleNotifierAlert["rule"],
   config: SigynInitializedRule
 ): Promise<string> {
   const { loki } = getConfig();