otel install fix

Author: Unitech

lib/OtelManager.js

@@ -4,6 +4,7 @@ var path = require('path')
 var execSync = require('child_process').execSync
 var Common = require('./Common')
 var cst = require('../constants')
+var which = require('./tools/which')
 
 var PM2_ROOT = path.join(__dirname, '..')
 
@@ -29,17 +30,25 @@ module.exports = {
   },
 
   install: function() {
+    var pm = which('npm') ? 'npm' : which('bun') ? 'bun' : null
+    if (!pm) {
+      throw new Error('npm or bun is required to install OpenTelemetry packages')
+    }
     Common.printOut(cst.PREFIX_MSG + 'Installing OpenTelemetry tracing packages...')
-    execSync('npm install --no-save ' + OTEL_PACKAGES.join(' '), {
+    execSync(pm + ' install --no-save ' + OTEL_PACKAGES.join(' '), {
       cwd: PM2_ROOT,
       stdio: 'inherit'
     })
     Common.printOut(cst.PREFIX_MSG + 'OpenTelemetry tracing packages installed successfully')
   },
 
   uninstall: function() {
+    var pm = which('npm') ? 'npm' : which('bun') ? 'bun' : null
+    if (!pm) {
+      throw new Error('npm or bun is required to uninstall OpenTelemetry packages')
+    }
     Common.printOut(cst.PREFIX_MSG + 'Removing OpenTelemetry tracing packages...')
-    execSync('npm uninstall --no-save ' + OTEL_PACKAGES.join(' '), {
+    execSync(pm + ' remove --no-save ' + OTEL_PACKAGES.join(' '), {
       cwd: PM2_ROOT,
       stdio: 'inherit'
     })