add tests

maxscale-system-test/user_cache.cpp

@@ -0,0 +1,72 @@
+/**
+ * @file user_cache.cpp Test user caching mechanism of MaxScale
+ *
+ * - Create 'testuser'@'%' user
+ * - Start up MaxScale with 'testuser' as the service user
+ * - Delete 'testuser'@'%'
+ * - Restart MaxScale
+ * - Check that queries through MaxScale are OK
+ */
+
+
+#include <iostream>
+#include "testconnections.h"
+
+int main(int argc, char *argv[])
+{
+    TestConnections * Test = new TestConnections(argc, argv);
+    Test->stop_timeout();
+    Test->stop_maxscale();
+
+    /** Create the test user and give required grants */
+    Test->tprintf("Creating 'testuser'@'%'\n");
+    Test->repl->connect();
+    execute_query_silent(Test->repl->nodes[0], "CREATE USER 'testuser'@'%' IDENTIFIED BY 'testpasswd'");
+    execute_query_silent(Test->repl->nodes[0], "GRANT SELECT ON mysql.user TO 'testuser'@'%'");
+    execute_query_silent(Test->repl->nodes[0], "GRANT SELECT ON mysql.db TO 'testuser'@'%'");
+    execute_query_silent(Test->repl->nodes[0], "GRANT SELECT ON mysql.tables_priv TO 'testuser'@'%'");
+    execute_query_silent(Test->repl->nodes[0], "GRANT SHOW DATABASES ON *.* TO 'testuser'@'%'");
+
+    /** Wait for the user to replicate */
+    Test->tprintf("Waiting for users to replicate\n");
+    sleep(10);
+
+    /** Test that MaxScale works and initialize the cache */
+    Test->tprintf("Test that MaxScale works and initialize the cache\n");
+    Test->start_maxscale();
+    Test->connect_maxscale();
+    Test->set_timeout(30);
+    Test->add_result(Test->try_query_all("SHOW DATABASES"), "Initial query without user cache should work\n");
+    Test->stop_timeout();
+
+    /** Block all nodes */
+    Test->tprintf("Blocking all nodes\n");
+    for (int i = 0; i < Test->repl->N; i++)
+    {
+        Test->repl->block_node(i);
+    }
+
+    /** Restart MaxScale and check that the user cache works */
+    Test->tprintf("Restarting MaxScale\n");
+    Test->restart_maxscale();
+    sleep(5);
+
+    Test->tprintf("Unblocking all nodes\n");
+    Test->repl->unblock_all_nodes();
+    sleep(5);
+
+    Test->tprintf("Dropping 'testuser'@'%'\n");
+    execute_query_silent(Test->repl->nodes[0], "DROP USER 'testuser'@'%'");
+    sleep(5);
+
+    Test->tprintf("Checking that the user cache works and queries are accepted\n");
+    Test->set_timeout(30);
+    Test->connect_maxscale();
+    Test->add_result(Test->try_query_all("SHOW DATABASES"), "Second query with user cache should work\n");
+    Test->stop_timeout();
+
+    int rval = Test->global_result;
+    delete Test;
+
+    return rval;
+}