Correct exit code for failed function invocation

bin/serverless

@@ -17,4 +17,7 @@ process.noDeprecation = true;
   });
 
   return serverless.init().then(() => serverless.run());
-}).catch(e => logError(e)))();
+}).catch(e => {
+  process.exitCode = 1;
+  logError(e);
+}))();

lib/plugins/aws/invoke/index.js

@@ -108,6 +108,10 @@ class AwsInvoke {
       logResult.split('\n').forEach(line => this.consoleLog(formatLambdaLogEvent(line)));
     }
 
+    if (invocationReply.FunctionError) {
+      return BbPromise.reject(new Error("Invoked function errored"));
+    }
+
     return BbPromise.resolve();
   }
 

lib/plugins/aws/invoke/index.test.js

@@ -260,5 +260,23 @@ describe('AwsInvoke', () => {
 
       return awsInvoke.log(invocationReplyMock);
     });
+
+    it('rejects the promise for failed invocations', (done) => {
+      const invocationReplyMock = {
+        Payload: `
+        {
+         "testProp": "testValue"
+        }
+        `,
+        LogResult: 'test',
+        FunctionError: true,
+      };
+
+      awsInvoke.log(invocationReplyMock).then(p => {
+        done(new Error("Promise resolved"));
+      }, (e) => {
+        done()
+      });
+    });
   });
 });