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Redirect slaves of promotion target

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This affects situations where the promoted server is a relay or multimaster
group member.
This commit is contained in:
Esa Korhonen
2018-10-11 11:35:53 +03:00
parent 20af9afb49
commit 0cf8ea43f7
4 changed files with 45 additions and 31 deletions
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7
server/modules/monitor/mariadbmon/mariadbmon.hh
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@ -283,15 +283,16 @@ private:
bool check_gtid_replication(Log log_mode, const MariaDBServer* demotion_target,
json_t** error_out);
ServerArray get_redirectables(const MariaDBServer* promotion_target,
const MariaDBServer* demotion_target);
ServerArray get_redirectables(const MariaDBServer* old_master, const MariaDBServer* ignored_slave);
int redirect_slaves(MariaDBServer* new_master, const ServerArray& slaves,
ServerArray* redirected_slaves);
int redirect_slaves_ex(ClusterOperation& op, const ServerArray& slaves,
const MariaDBServer* old_master, const MariaDBServer* new_master,
ServerArray* redirected_slaves);
bool start_external_replication(MariaDBServer* new_master, json_t** err_out);
std::string generate_change_master_cmd(const std::string& master_host, int master_port);
void wait_cluster_stabilization(ClusterOperation& op, const ServerArray& slaves);
void wait_cluster_stabilization(ClusterOperation& op, const ServerArray& slaves,
const MariaDBServer* new_master);
void report_and_disable(const std::string& operation, const std::string& setting_name,
bool* setting_var);