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MXS-1343: send hostname to master with COM_REGISTER_SLAVE

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A new option ‘slave_hostname’ allows the setting of hostname in
COM_REGISTER_SLAVE.

SHOW SLAVES HOSTS; in master server can show the hostname set in binlog
router:

MariaDB [(none)]> SHOW SLAVE HOSTS;
+-----------+-----------------------------+------+-----------+
| Server_id | Host                        | Port | Master_id |
+-----------+-----------------------------+------+-----------+
|        93 | maxscale-blr-1.mydomain.net | 8808 |     10124 |
+-----------+-----------------------------+------+-----------+
This commit is contained in:
MassimilianoPinto
2017-08-09 17:09:50 +02:00
parent e409927d6c
commit 7da092843f
3 changed files with 52 additions and 12 deletions
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10
server/modules/routing/binlogrouter/blr.c
View File

@ -184,6 +184,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
{"master_uuid", MXS_MODULE_PARAM_STRING},
{"master_version", MXS_MODULE_PARAM_STRING},
{"master_hostname", MXS_MODULE_PARAM_STRING},
{"slave_hostname", MXS_MODULE_PARAM_STRING},
{"mariadb10-compatibility", MXS_MODULE_PARAM_BOOL, "false"},
{"filestem", MXS_MODULE_PARAM_STRING, BINLOG_NAME_ROOT},
{"file", MXS_MODULE_PARAM_COUNT, "1"},
@ -334,6 +335,7 @@ createInstance(SERVICE *service, char **options)
inst->trx_safe = config_get_bool(params, "transaction_safety");
inst->set_master_version = config_copy_string(params, "master_version");
inst->set_master_hostname = config_copy_string(params, "master_hostname");
inst->set_slave_hostname = config_copy_string(params, "slave_hostname");
inst->fileroot = config_copy_string(params, "filestem");
inst->serverid = config_get_integer(params, "server_id");
@ -344,8 +346,6 @@ createInstance(SERVICE *service, char **options)
inst->master_uuid = config_copy_string(params, "master_uuid");
inst->set_master_uuid = inst->master_uuid != NULL;
inst->set_master_version = NULL;
inst->set_master_hostname = NULL;
inst->send_slave_heartbeat = config_get_bool(params, "send_slave_heartbeat");
/* Semi-Sync support */
@ -482,6 +482,11 @@ createInstance(SERVICE *service, char **options)
MXS_FREE(inst->set_master_hostname);
inst->set_master_hostname = MXS_STRDUP_A(value);
}
else if (strcmp(options[i], "slave_hostname") == 0)
{
MXS_FREE(inst->set_slave_hostname);
inst->set_slave_hostname = MXS_STRDUP_A(value);
}
else if (strcmp(options[i], "mariadb10-compatibility") == 0)
{
inst->mariadb10_compat = config_truth_value(value);
@ -938,6 +943,7 @@ free_instance(ROUTER_INSTANCE *instance)
MXS_FREE(instance->password);
MXS_FREE(instance->set_master_version);
MXS_FREE(instance->set_master_hostname);
MXS_FREE(instance->set_slave_hostname);
MXS_FREE(instance->fileroot);
MXS_FREE(instance->binlogdir);
/* SSL options */