feat: support signoz (#5218)

* feat: support signoz

* chore: restructure otel

projects/app/.env.template

@@ -88,3 +88,6 @@ CONFIG_JSON_PATH=
 # # 日志来源ID前缀
 # CHAT_LOG_SOURCE_ID_PREFIX=fastgpt-
 
+# Signoz
+SIGNOZ_BASE_URL=
+SIGNOZ_SERVICE_NAME=

projects/app/src/instrumentation.ts

@@ -18,7 +18,8 @@ export async function register() {
         { startCron },
         { startTrainingQueue },
         { preLoadWorker },
-        { loadSystemModels }
+        { loadSystemModels },
+        { connectSignoz }
       ] = await Promise.all([
         import('@fastgpt/service/common/mongo/init'),
         import('@fastgpt/service/common/mongo/index'),
@@ -30,9 +31,13 @@ export async function register() {
         import('@/service/common/system/cron'),
         import('@/service/core/dataset/training/utils'),
         import('@fastgpt/service/worker/preload'),
-        import('@fastgpt/service/core/ai/config/utils')
+        import('@fastgpt/service/core/ai/config/utils'),
+        import('@fastgpt/service/common/otel/trace/register')
       ]);
 
+      // connect to signoz
+      connectSignoz();
+
       // 执行初始化流程
       systemStartCb();
       initGlobalVariables();