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MXS-1775 Add switchover_on_low_disk_space parameter

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This commit is contained in:
Johan Wikman
2018-06-06 11:23:31 +03:00
parent dc47835ef6
commit b2a190c2b8
2 changed files with 47 additions and 42 deletions
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16
server/modules/monitor/mariadbmon/mariadbmon.cc
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@ -35,12 +35,13 @@ const char * const CN_AUTO_FAILOVER = "auto_failover";
const char * const CN_PROMOTION_SQL_FILE = "promotion_sql_file";
const char * const CN_DEMOTION_SQL_FILE = "demotion_sql_file";
static const char CN_AUTO_REJOIN[] = "auto_rejoin";
static const char CN_FAILCOUNT[] = "failcount";
static const char CN_ENFORCE_READONLY[] = "enforce_read_only_slaves";
static const char CN_NO_PROMOTE_SERVERS[] = "servers_no_promotion";
static const char CN_FAILOVER_TIMEOUT[] = "failover_timeout";
static const char CN_SWITCHOVER_TIMEOUT[] = "switchover_timeout";
static const char CN_AUTO_REJOIN[] = "auto_rejoin";
static const char CN_FAILCOUNT[] = "failcount";
static const char CN_ENFORCE_READONLY[] = "enforce_read_only_slaves";
static const char CN_NO_PROMOTE_SERVERS[] = "servers_no_promotion";
static const char CN_FAILOVER_TIMEOUT[] = "failover_timeout";
static const char CN_SWITCHOVER_ON_LOW_DISK_SPACE[] = "switchover_on_low_disk_space";
static const char CN_SWITCHOVER_TIMEOUT[] = "switchover_timeout";
// Parameters for master failure verification and timeout
static const char CN_VERIFY_MASTER_FAILURE[] = "verify_master_failure";
@ -55,6 +56,7 @@ MariaDBMonitor::MariaDBMonitor(MXS_MONITOR* monitor)
, m_master_gtid_domain(GTID_DOMAIN_UNKNOWN)
, m_external_master_port(PORT_UNKNOWN)
, m_cluster_modified(true)
, m_switchover_on_low_disk_space(false)
, m_warn_set_standalone_master(true)
, m_log_no_master(true)
{}
@ -183,6 +185,7 @@ bool MariaDBMonitor::configure(const MXS_CONFIG_PARAMETER* params)
m_master_failure_timeout = config_get_integer(params, CN_MASTER_FAILURE_TIMEOUT);
m_promote_sql_file = config_get_string(params, CN_PROMOTION_SQL_FILE);
m_demote_sql_file = config_get_string(params, CN_DEMOTION_SQL_FILE);
m_switchover_on_low_disk_space = config_get_bool(params, CN_SWITCHOVER_ON_LOW_DISK_SPACE);
m_excluded_servers.clear();
MXS_MONITORED_SERVER** excluded_array = NULL;
@ -1077,6 +1080,7 @@ extern "C" MXS_MODULE* MXS_CREATE_MODULE()
{CN_NO_PROMOTE_SERVERS, MXS_MODULE_PARAM_SERVERLIST},
{CN_PROMOTION_SQL_FILE, MXS_MODULE_PARAM_PATH},
{CN_DEMOTION_SQL_FILE, MXS_MODULE_PARAM_PATH},
{CN_SWITCHOVER_ON_LOW_DISK_SPACE, MXS_MODULE_PARAM_BOOL, "false"},
{MXS_END_MODULE_PARAMS}
}
};