Merge pull request #2185 from YYJiangLoveU/MS-branch

Let ProxySQL support Azure MySQL

Author: renecannao

lib/MySQL_Monitor.cpp

@@ -897,6 +897,7 @@ bool MySQL_Monitor_State_Data::create_new_connection() {
 if (timeout==0) timeout=1;
 mysql_options(mysql, MYSQL_OPT_CONNECT_TIMEOUT, &timeout);
 mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "program_name", "proxysql_monitor");
+mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "_server_host", hostname);
 MYSQL *myrc=NULL;
 if (port) {
 myrc=mysql_real_connect(mysql, hostname, mysql_thread___monitor_username, mysql_thread___monitor_password, NULL, port, NULL, 0);

lib/MySQL_Session.cpp

@@ -91,6 +91,7 @@ void * kill_query_thread(void *arg) {
 MySQL_Thread * thread = ka->mt;
 mysql=mysql_init(NULL);
 mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "program_name", "proxysql_killer");
+mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "_server_host", ka->hostname);
 if (!mysql) {
 goto __exit_kill_query_thread;
 }

lib/mysql_connection.cpp

@@ -474,6 +474,7 @@ void MySQL_Connection::connect_start() {
 assert(mysql);
 mysql_options(mysql, MYSQL_OPT_NONBLOCK, 0);
 mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "program_name", "proxysql");
+mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD, "_server_host", parent->address);
 if (parent->use_ssl) {
 mysql_ssl_set(mysql, mysql_thread___ssl_p2s_key, mysql_thread___ssl_p2s_cert, mysql_thread___ssl_p2s_ca, NULL, mysql_thread___ssl_p2s_cipher);
 }