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Add default parameters to created monitors

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When a monitor is created at runtime, it also needs to have the default
parameters. Ideally, this would be done when the monitor is allocated but
because of the way the configuration is processed, we need to do it after
user defined parameters are added.
This commit is contained in:
Markus Mäkelä
2017-01-06 08:59:25 +02:00
parent 72ea3ad453
commit eef0619865
3 changed files with 33 additions and 1 deletions
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19
server/core/config_runtime.c
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@ -16,6 +16,7 @@
#include <maxscale/config_runtime.h>
#include <maxscale/gwdirs.h>
#include <maxscale/spinlock.h>
#include <maxscale/modules.h>
#include "maxscale/service.h"
@ -336,6 +337,21 @@ static long get_positive_int(const char *value)
return 0;
}
/**
* @brief Add default parameters to a monitor
*
* @param monitor Monitor to modify
*/
static void add_monitor_defaults(MONITOR *monitor)
{
/** Inject the default module parameters in case we only deleted
* a parameter */
CONFIG_CONTEXT ctx = {.object = ""};
config_add_defaults(&ctx, monitor->module_name, MODULE_MONITOR);
monitorAddParameters(monitor, ctx.parameters);
config_parameter_free(ctx.parameters);
}
bool runtime_alter_monitor(MONITOR *monitor, char *key, char *value)
{
spinlock_acquire(&crt_lock);
@ -402,6 +418,8 @@ bool runtime_alter_monitor(MONITOR *monitor, char *key, char *value)
CONFIG_PARAMETER p = {.name = key, .value = value};
monitorAddParameters(monitor, &p);
}
add_monitor_defaults(monitor);
}
monitorStart(monitor, monitor->parameters);
@ -560,6 +578,7 @@ bool runtime_create_monitor(const char *name, const char *module)
{
/** Mark that this monitor was created after MaxScale was started */
monitor->created_online = true;
add_monitor_defaults(monitor);
if (monitor_serialize(monitor))
{