1 files changed, 102 insertions, 0 deletions
diff --git a/sql/wsrep_check_opts.cc b/sql/wsrep_check_opts.cc
new file mode 100644
index 00000000..b17a5f16
--- /dev/null
+++ b/sql/wsrep_check_opts.cc
@@ -0,0 +1,102 @@
+/* Copyright 2011 Codership Oy <http://www.codership.com>
+   Copyright 2014 SkySQL Ab.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+#include "mariadb.h"
+#include "mysqld.h"
+#include "sys_vars_shared.h"
+#include "wsrep.h"
+#include "wsrep_sst.h"
+#include "wsrep_mysqld.h"
+
+extern char *my_bind_addr_str;
+
+int wsrep_check_opts()
+{
+  if (wsrep_slave_threads > 1)
+  {
+    sys_var *autoinc_lock_mode=
+      intern_find_sys_var(STRING_WITH_LEN("innodb_autoinc_lock_mode"));
+    bool is_null;
+    if (autoinc_lock_mode &&
+        autoinc_lock_mode->val_int(&is_null, 0, OPT_GLOBAL, 0) != 2)
+    {
+      WSREP_ERROR("Parallel applying (wsrep_slave_threads > 1) requires"
+                  " innodb_autoinc_lock_mode= 2.");
+      return 1;
+    }
+  }
+
+  if (locked_in_memory)
+  {
+    WSREP_ERROR("Memory locking is not supported (locked_in_memory=ON)");
+    return 1;
+  }
+
+  if (!strcasecmp(wsrep_sst_method, "mysqldump"))
+  {
+    if (my_bind_addr_str &&
+        (!strcasecmp(my_bind_addr_str, "127.0.0.1") ||
+         !strcasecmp(my_bind_addr_str, "localhost")))
+    {
+      WSREP_WARN("wsrep_sst_method is set to 'mysqldump' yet "
+                  "mysqld bind_address is set to '%s', which makes it "
+                  "impossible to receive state transfer from another "
+                  "node, since mysqld won't accept such connections. "
+                  "If you wish to use mysqldump state transfer method, "
+                  "set bind_address to allow mysql client connections "
+                  "from other cluster members (e.g. 0.0.0.0).",
+                  my_bind_addr_str);
+    }
+  }
+  else
+  {
+    // non-mysqldump SST requires wsrep_cluster_address on startup
+    if (!wsrep_cluster_address_exists())
+    {
+      WSREP_ERROR ("%s SST method requires wsrep_cluster_address to be "
+                   "configured on startup.", wsrep_sst_method);
+      return 1;
+    }
+  }
+
+  if (strcasecmp(wsrep_sst_receive_address, "AUTO"))
+  {
+    if (!strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("127.0.0.1")) ||
+        !strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("localhost")))
+    {
+      WSREP_WARN("wsrep_sst_receive_address is set to '%s' which "
+                 "makes it impossible for another host to reach this "
+                 "one. Please set it to the address which this node "
+                 "can be connected at by other cluster members.",
+                 wsrep_sst_receive_address);
+    }
+  }
+
+  if (strcasecmp(wsrep_provider, "NONE"))
+  {
+    if (global_system_variables.binlog_format != BINLOG_FORMAT_ROW)
+    {
+      WSREP_ERROR("Only binlog_format= 'ROW' is currently supported. "
+                  "Configured value: '%s'. Please adjust your "
+                  "configuration.",
+                  binlog_format_names[global_system_variables.binlog_format]);
+
+      return 1;
+    }
+  }
+  return 0;
+}
+