From 356168785b47ded65fee04703652b44744718b3d Mon Sep 17 00:00:00 2001
From: Mariusz Nowak <mariusz@medikoo.com>
Date: Wed, 4 Dec 2019 10:07:21 +0100
Subject: [PATCH] Fix AWS creds handling

---
 lib/plugins/aws/invokeLocal/index.js | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/lib/plugins/aws/invokeLocal/index.js b/lib/plugins/aws/invokeLocal/index.js
index 02b7341aeee..d68e027e386 100644
--- a/lib/plugins/aws/invokeLocal/index.js
+++ b/lib/plugins/aws/invokeLocal/index.js
@@ -128,13 +128,17 @@ class AwsInvokeLocal {
       NODE_PATH: '/var/runtime:/var/task:/var/runtime/node_modules',
     };
 
-    const credentialEnvVars = this.provider.cachedCredentials
-      ? {
-          AWS_ACCESS_KEY_ID: this.provider.cachedCredentials.accessKeyId,
-          AWS_SECRET_ACCESS_KEY: this.provider.cachedCredentials.secretAccessKey,
-          AWS_SESSION_TOKEN: this.provider.cachedCredentials.sessionToken,
-        }
-      : {};
+    const { cachedCredentials } = this.provider;
+    const credentialEnvVars = {};
+    if (cachedCredentials.accessKeyId) {
+      credentialEnvVars.AWS_ACCESS_KEY_ID = cachedCredentials.accessKeyId;
+    }
+    if (cachedCredentials.secretAccessKey) {
+      credentialEnvVars.AWS_SECRET_ACCESS_KEY = cachedCredentials.secretAccessKey;
+    }
+    if (cachedCredentials.sessionToken) {
+      credentialEnvVars.AWS_SESSION_TOKEN = cachedCredentials.sessionToken;
+    }
 
     // profile override from config
     const profileOverride = this.provider.getProfile();