Skip emitting maintenance mode message on Lambda (#4365)

* Skip emitting maintenance mode message on Lambda * Move typeof process check at the top * Change to indexOf * npm run add-change * update category * check for process being undefined
aws · Mar 10, 2023 · 07a07b3 · 07a07b3
1 parent 3c65b8b
commit 07a07b3
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/.changes/next-release/bugfix-remove-maintenance-mode-message-84bcda90.json b/.changes/next-release/bugfix-remove-maintenance-mode-message-84bcda90.json
@@ -0,0 +1,5 @@
+{
+  "type": "bugfix",
+  "category": "maintenance mode message",
+  "description": "supress maintenance mode message in Lambda environment"
+}
diff --git a/lib/maintenance_mode_message.js b/lib/maintenance_mode_message.js
@@ -14,10 +14,19 @@ module.exports = {
  * require('aws-sdk/lib/maintenance_mode_message').suppress = true;
  */
 function emitWarning() {
+  if (typeof process === 'undefined')
+    return;
+
+  // Skip maintenance mode message in Lambda environments
   if (
-    typeof process !== 'undefined' &&
-    typeof process.emitWarning === 'function'
+    typeof process.env === 'object' &&
+    typeof process.env.AWS_EXECUTION_ENV !== 'undefined' &&
+    process.env.AWS_EXECUTION_ENV.indexOf('AWS_Lambda_') === 0
   ) {
+    return;
+  }
+
+  if (typeof process.emitWarning === 'function') {
     process.emitWarning(warning, {
       type: 'NOTE'
     });