hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch '2.3' into develop

Browse Source
This commit is contained in:
Esa Korhonen
2019-04-16 16:55:12 +03:00
parent 8b29e70f63 2ca9337da1
commit 067660e3e7
3 changed files with 65 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
server/modules/monitor/mariadbmon/mariadbmon.cc
View File

@ -27,9 +27,7 @@
#include <maxscale/mysql_utils.hh>
#include <maxscale/routingworker.hh>
#include <maxscale/secrets.h>
#include <maxscale/utils.h>
// TODO: For monitor_add_parameters
#include "../../../core/internal/monitor.hh"
#include <maxscale/utils.hh>
using std::string;
using maxbase::string_printf;
@ -387,6 +385,12 @@ void MariaDBMonitor::tick()
mon_srv->mon_prev_status = status;
}
if (cluster_operation_disable_timer > 0)
{
cluster_operation_disable_timer--;
}
// Query all servers for their status.
bool should_update_disk_space = check_disk_space_this_tick();
const auto& conn_settings = m_settings.conn_settings;
@ -422,7 +426,7 @@ void MariaDBMonitor::tick()
update_topology();
m_cluster_topology_changed = false;
// If cluster operations are enabled, check topology support and disable if needed.
if (m_auto_failover || m_switchover_on_low_disk_space)
if (m_auto_failover || m_switchover_on_low_disk_space || m_auto_rejoin)
{
check_cluster_operations_support();
}
@ -495,16 +499,16 @@ void MariaDBMonitor::process_state_changes()
}
}
if (!config_get_global_options()->passive)
if (can_perform_cluster_ops())
{
if (m_auto_failover && !m_cluster_modified)
if (m_auto_failover)
{
handle_auto_failover();
}
// Do not auto-join servers on this monitor loop if a failover (or any other cluster modification)
// has been performed, as server states have not been updated yet. It will happen next iteration.
if (m_auto_rejoin && !m_cluster_modified && cluster_can_be_joined())
if (m_auto_rejoin && cluster_can_be_joined() && can_perform_cluster_ops())
{
// Check if any servers should be autojoined to the cluster and try to join them.
handle_auto_rejoin();
@ -513,13 +517,13 @@ void MariaDBMonitor::process_state_changes()
/* Check if any slave servers have read-only off and turn it on if user so wishes. Again, do not
* perform this if cluster has been modified this loop since it may not be clear which server
* should be a slave. */
if (m_enforce_read_only_slaves && !m_cluster_modified)
if (m_enforce_read_only_slaves && can_perform_cluster_ops())
{
enforce_read_only_on_slaves();
}
/* Check if the master server is on low disk space and act on it. */
if (m_switchover_on_low_disk_space && !m_cluster_modified)
if (m_switchover_on_low_disk_space && can_perform_cluster_ops())
{
handle_low_disk_space_master();
}
@ -648,17 +652,6 @@ void MariaDBMonitor::assign_new_master(MariaDBServer* new_master)
m_warn_have_better_master = true;
}
/**
* Set a monitor config parameter to "false". The effect persists over stopMonitor/startMonitor but not
* MaxScale restart. Only use on boolean config settings.
*
* @param setting_name Setting to disable
*/
void MariaDBMonitor::disable_setting(const std::string& setting)
{
parameters.set(setting, "false");
}
/**
* Check sql text file parameters. A parameter should either be empty or a valid file which can be opened.
*