From 365efb9d3a6ba7eaf1e60a3472af09f854e8f7c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Markus=20M=C3=A4kel=C3=A4?= <markus.makela@mariadb.com>
Date: Wed, 22 May 2019 09:38:04 +0300
Subject: [PATCH] Ignore SIGHUP termination in ssh_node

Sometimes the command appears to complete and terminate with a SIGHUP
instead of the proper return value.
---
 maxscale-system-test/nodes.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/maxscale-system-test/nodes.cpp b/maxscale-system-test/nodes.cpp
index 25b1ab1b6..68fda7ce6 100644
--- a/maxscale-system-test/nodes.cpp
+++ b/maxscale-system-test/nodes.cpp
@@ -5,6 +5,7 @@
 #include <future>
 #include <functional>
 #include <algorithm>
+#include <signal.h>
 
 #include "envv.h"
 
@@ -189,8 +190,14 @@ int Nodes::ssh_node(int node, const char* ssh, bool sudo)
     {
         return WEXITSTATUS(rc);
     }
+    else if (WIFSIGNALED(rc) && WTERMSIG(rc) == SIGHUP)
+    {
+        // SIGHUP appears to happen for SSH connections
+        return 0;
+    }
     else
     {
+        std::cout << strerror(errno) << std::endl;
         return 256;
     }
 }