hotfix: updated OS agent, edited pm2 config to not need env var

README.md

@@ -87,8 +87,6 @@ Please note the use of double "_" for nested properties
     export SPM_LOG_LEVEL=error
     export SPM_LOG_TO_CONSOLE=true
     export HTTPS_PROXY=http://my-local-proxy-server
-    # if you are using PM2
-    export PM2=true
 
 ## Changing API endpoints for Sematext Cloud EU 
 
@@ -120,11 +118,7 @@ require('spm-agent-nodejs')
 ```
 
 ## With PM2
-Add an additional environment variable to your environment or `.env` file to enable PM2 monitoring.
-
-```env
-PM2=true
-```
+Use the absolute path to your `.env` file to enable PM2 monitoring.
 
 ```js
 // load env vars if you're using dotenv
@@ -133,7 +127,6 @@ require('dotenv').config({ path: '/absolute/path/to/your/project/.env' })
 require('spm-agent-nodejs')
 ```
 
-
 # Results
 
 - _[Top Node.js Metrics to Watch](https://blog.sematext.com/top-nodejs-metrics-to-watch/)

lib/processAgent.js

@@ -12,7 +12,7 @@ const { Agent, Config } = require('spm-agent')
 const pidUsageTree = require('pidusage-tree')
 const fs = require('fs')
 const execProcess = require('child_process').spawnSync
-const pm2Enabled = /^true/i.test(process.env.PM2)
+const pm2Enabled = process.env.NODE_APP_INSTANCE !== undefined
 const infraToken = Config.tokens.infra
 
 const getThreadCount = function (processId) {
@@ -26,7 +26,7 @@ const getThreadCount = function (processId) {
         threadCount = Number(threadCountLine[1])
       }
     } catch (err) {
-      // console.error(err)
+      console.error(err)
     }
   }
   if (/win/i.test(process.platform)) {
@@ -48,7 +48,7 @@ const getThreadCount = function (processId) {
         threadCount = darwinTc - 1 // remove headline
       }
     } catch (darwinErr) {
-      // console.error(darwinErr)
+      console.error(darwinErr)
     }
   }
   return threadCount