fixes subprocess.wait() hanging

localstack · Jan 28, 2019 · 8612bf9 · 8612bf9
1 parent 9535dd4
commit 8612bf9
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/localstack/services/awslambda/lambda_executors.py b/localstack/services/awslambda/lambda_executors.py
@@ -63,9 +63,10 @@ def run_lambda_executor(self, cmd, env_vars={}, asynchronous=False):
             result = '{"asynchronous": "%s"}' % asynchronous
             log_output = 'Lambda executed asynchronously'
         else:
-            return_code = process.wait()
-            result = to_str(process.stdout.read())
-            log_output = to_str(process.stderr.read())
+            result, log_output = process.communicate()
+            result = to_str(result)
+            log_output = to_str(log_output)
+            return_code = process.returncode
 
             if return_code != 0:
                 raise Exception('Lambda process returned error status code: %s. Output:\n%s' %