Merge pull request #12674 from sudarkoff/fail_if_executable_password_file_returns_nonzero

(TRIVIAL) Fail if the vault password script returns non-zero.

lib/ansible/cli/__init__.py

@@ -523,6 +523,8 @@ class CLI(object):
             except OSError as e:
                 raise AnsibleError("Problem running vault password script %s (%s). If this is not a script, remove the executable bit from the file." % (' '.join(this_path), e))
             stdout, stderr = p.communicate()
+            if p.returncode != 0:
+                raise AnsibleError("Vault password script %s returned non-zero (%s)." % (this_path, p.returncode))
             vault_pass = stdout.strip('\r\n')
         else:
             try: