Merge branch '2.3' into 2.4

system-test/mxs431.cpp

@@ -0,0 +1,56 @@
+/**
+ * @file mxs431.cpp Bug regression test case for MXS-431: ("Backend authentication fails with schemarouter")
+ *
+ * - Create database 'testdb' on one node
+ * - Connect repeatedly to MaxScale with 'testdb' as the default database and execute SELECT 1
+ */
+
+#include <maxtest/testconnections.hh>
+
+int main(int argc, char* argv[])
+{
+    TestConnections test(argc, argv);
+
+    test.repl->connect();
+
+    /** Create a database on each node */
+    for (int i = 0; i < test.repl->N; i++)
+    {
+        test.set_timeout(60);
+        execute_query(test.repl->nodes[i], "set global max_connections = 600");
+        execute_query(test.repl->nodes[i], "DROP DATABASE IF EXISTS shard_db%d", i);
+        execute_query(test.repl->nodes[i], "CREATE DATABASE shard_db%d", i);
+        test.stop_timeout();
+    }
+
+    int iterations = 100;
+
+    for (int j = 0; j < iterations && test.global_result == 0; j++)
+    {
+        for (int i = 0; i < test.repl->N && test.global_result == 0; i++)
+        {
+            char str[256];
+            sprintf(str, "shard_db%d", i);
+            test.set_timeout(60);
+            MYSQL* conn = open_conn_db(test.maxscales->rwsplit_port[0],
+                                       test.maxscales->IP[0],
+                                       str,
+                                       test.maxscales->user_name,
+                                       test.maxscales->password,
+                                       test.ssl);
+            test.set_timeout(60);
+            test.add_result(execute_query(conn, "SELECT 1"), "Trying DB %d failed at %d", i, j);
+            mysql_close(conn);
+        }
+    }
+
+    /** Drop the databases */
+    for (int i = 0; i < test.repl->N; i++)
+    {
+        test.set_timeout(60);
+        execute_query(test.repl->nodes[i], "DROP DATABASE shard_db%d", i);
+        test.stop_timeout();
+    }
+
+    return test.global_result;
+}