1 /* Copyright 2011 Codership Oy <http://www.codership.com>
2 Copyright 2014 SkySQL Ab.
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; version 2 of the License.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
16
17 #include "mariadb.h"
18 #include "mysqld.h"
19 #include "sys_vars_shared.h"
20 #include "wsrep.h"
21 #include "wsrep_sst.h"
22
23 extern char *my_bind_addr_str;
24
wsrep_check_opts()25 int wsrep_check_opts()
26 {
27 if (wsrep_slave_threads > 1)
28 {
29 sys_var *autoinc_lock_mode=
30 intern_find_sys_var(STRING_WITH_LEN("innodb_autoinc_lock_mode"));
31 bool is_null;
32 if (autoinc_lock_mode &&
33 autoinc_lock_mode->val_int(&is_null, 0, OPT_GLOBAL, 0) != 2)
34 {
35 WSREP_ERROR("Parallel applying (wsrep_slave_threads > 1) requires"
36 " innodb_autoinc_lock_mode= 2.");
37 return 1;
38 }
39 }
40
41 if (locked_in_memory)
42 {
43 WSREP_ERROR("Memory locking is not supported (locked_in_memory=ON)");
44 return 1;
45 }
46
47 if (!strcasecmp(wsrep_sst_method, "mysqldump"))
48 {
49 if (my_bind_addr_str &&
50 (!strcasecmp(my_bind_addr_str, "127.0.0.1") ||
51 !strcasecmp(my_bind_addr_str, "localhost")))
52 {
53 WSREP_WARN("wsrep_sst_method is set to 'mysqldump' yet "
54 "mysqld bind_address is set to '%s', which makes it "
55 "impossible to receive state transfer from another "
56 "node, since mysqld won't accept such connections. "
57 "If you wish to use mysqldump state transfer method, "
58 "set bind_address to allow mysql client connections "
59 "from other cluster members (e.g. 0.0.0.0).",
60 my_bind_addr_str);
61 }
62 }
63 else
64 {
65 // non-mysqldump SST requires wsrep_cluster_address on startup
66 if (!wsrep_cluster_address_exists())
67 {
68 WSREP_ERROR ("%s SST method requires wsrep_cluster_address to be "
69 "configured on startup.", wsrep_sst_method);
70 return 1;
71 }
72 }
73
74 if (strcasecmp(wsrep_sst_receive_address, "AUTO"))
75 {
76 if (!strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("127.0.0.1")) ||
77 !strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("localhost")))
78 {
79 WSREP_WARN("wsrep_sst_receive_address is set to '%s' which "
80 "makes it impossible for another host to reach this "
81 "one. Please set it to the address which this node "
82 "can be connected at by other cluster members.",
83 wsrep_sst_receive_address);
84 }
85 }
86
87 if (strcasecmp(wsrep_provider, "NONE"))
88 {
89 if (global_system_variables.binlog_format != BINLOG_FORMAT_ROW)
90 {
91 WSREP_ERROR("Only binlog_format= 'ROW' is currently supported. "
92 "Configured value: '%s'. Please adjust your "
93 "configuration.",
94 binlog_format_names[global_system_variables.binlog_format]);
95
96 return 1;
97 }
98 }
99 return 0;
100 }
101
102