From 10b8f6280db9cae3f858213034342dab038ff0b8 Mon Sep 17 00:00:00 2001
From: akvlad <akvlad90@gmail.com>
Date: Thu, 21 Mar 2024 13:05:34 +0200
Subject: [PATCH] fix: throttler -> clickhouse.js cross dependency

---
 lib/db/clickhouse.js | 38 ++++++++++++++++++++------------------
 lib/db/throttler.js  | 33 +++++++++++++++++++++++----------
 2 files changed, 43 insertions(+), 28 deletions(-)

diff --git a/lib/db/clickhouse.js b/lib/db/clickhouse.js
index 005b41b0..369212f4 100644
--- a/lib/db/clickhouse.js
+++ b/lib/db/clickhouse.js
@@ -89,25 +89,27 @@ if (isMainThread && !bun()) {
   })
 } else if (isMainThread && !first) {
   first = true
-  const _throttler = require('./throttler')
-  throttler = {
-    on: _throttler.on,
-    postMessage: _throttler.postMessage,
-    removeAllListeners: _throttler.removeAllListeners,
-    terminate: _throttler.terminate
-  }
-  _throttler.init()
-  throttler.on('message', (msg) => {
-    switch (msg.status) {
-      case 'ok':
-        resolvers[msg.id]()
-        break
-      case 'err':
-        rejectors[msg.id](new Error('Database push error'))
-        break
+  setTimeout(() => {
+    const _throttler = require('./throttler')
+    throttler = {
+      on: _throttler.on,
+      postMessage: _throttler.postMessage,
+      removeAllListeners: _throttler.removeAllListeners,
+      terminate: _throttler.terminate
     }
-    delete resolvers[msg.id]
-    delete rejectors[msg.id]
+    _throttler.init()
+    throttler.on('message', (msg) => {
+      switch (msg.status) {
+        case 'ok':
+          resolvers[msg.id]()
+          break
+        case 'err':
+          rejectors[msg.id](new Error('Database push error'))
+          break
+      }
+      delete resolvers[msg.id]
+      delete rejectors[msg.id]
+    })
   })
 }
 // timeSeriesv2Throttler.start();
diff --git a/lib/db/throttler.js b/lib/db/throttler.js
index 1316b480..6e50db85 100644
--- a/lib/db/throttler.js
+++ b/lib/db/throttler.js
@@ -1,6 +1,4 @@
 const { isMainThread, parentPort } = require('worker_threads')
-const axios = require('axios')
-const { getClickhouseUrl, samplesTableName, rawRequest } = require('./clickhouse')
 const clickhouseOptions = require('./clickhouse_options').databaseOptions
 const logger = require('../logger')
 const { DATABASE_NAME } = require('../utils')
@@ -8,7 +6,15 @@ const clusterName = require('../../common').clusterName
 const dist = clusterName ? '_dist' : ''
 const { EventEmitter } = require('events')
 
+// variables to be initialized in the init() function due to the './clickhouse.js' cross-dependency & bun
+let samplesThrottler
+let timeSeriesThrottler
+let tracesThottler
+let samplesTableName
+let rawRequest
+
 const axiosError = async (err) => {
+  console.log('axiosError', err)
   try {
     const resp = err.response
     if (resp) {
@@ -24,6 +30,7 @@ const axiosError = async (err) => {
         (err.responseData ? ' Response data: ' + err.responseData : ''))
     }
   } catch (e) {
+    console.log(e)
     return err
   }
 }
@@ -63,14 +70,6 @@ class TimeoutThrottler {
   }
 }
 
-const samplesThrottler = new TimeoutThrottler(
-  `INSERT INTO ${clickhouseOptions.queryOptions.database}.${samplesTableName}${dist}(fingerprint, timestamp_ns, value, string, type) FORMAT JSONEachRow`)
-const timeSeriesThrottler = new TimeoutThrottler(
-  `INSERT INTO ${clickhouseOptions.queryOptions.database}.time_series${dist}(date, fingerprint, labels, name, type) FORMAT JSONEachRow`)
-const tracesThottler = new TimeoutThrottler(
-  `INSERT INTO ${clickhouseOptions.queryOptions.database}.traces_input
-      (trace_id, span_id, parent_id, name, timestamp_ns, duration_ns, service_name, payload_type, payload, tags) 
-    FORMAT JSONEachRow`)
 
 const emitter = new EventEmitter()
 let on = true
@@ -111,6 +110,20 @@ const postMessage = message => {
 }
 
 const init = () => {
+  [samplesTableName, rawRequest] = [
+    require('./clickhouse').samplesTableName,
+    require('./clickhouse').rawRequest
+  ]
+
+  samplesThrottler = new TimeoutThrottler(
+    `INSERT INTO ${clickhouseOptions.queryOptions.database}.${samplesTableName}${dist}(fingerprint, timestamp_ns, value, string, type) FORMAT JSONEachRow`)
+  timeSeriesThrottler = new TimeoutThrottler(
+    `INSERT INTO ${clickhouseOptions.queryOptions.database}.time_series${dist}(date, fingerprint, labels, name, type) FORMAT JSONEachRow`)
+  tracesThottler = new TimeoutThrottler(
+    `INSERT INTO ${clickhouseOptions.queryOptions.database}.traces_input
+      (trace_id, span_id, parent_id, name, timestamp_ns, duration_ns, service_name, payload_type, payload, tags) 
+    FORMAT JSONEachRow`)
+
   setTimeout(async () => {
     // eslint-disable-next-line no-unmodified-loop-condition
     while (on) {