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reload_config(): document items which can change

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This commit is contained in:
Ian Barwick
2016-11-01 20:08:57 +09:00
parent d22535de00
commit 2594411820
1 changed files with 63 additions and 35 deletions
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98
config.c
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@@ -565,8 +565,31 @@ parse_line(char *buf, char *name, char *value)
* reload_config()
*
* This is only called by repmgrd after receiving a SIGHUP or when a monitoring
* loop is started up; it therefore only needs to reload values required
* by repmgrd
* loop is started up; it therefore only needs to reload options required
* by repmgrd, which are as follows:
*
* changeable options:
* - failover
* - follow_command
* - master_response_timeout
* - monitor_interval_secs
* - priority
* - promote_command
* - reconnect_attempts
* - reconnect_interval
* - retry_promote_interval_secs
* - witness_repl_nodes_sync_interval_secs
*
* non-changeable options:
* - cluster_name
* - conninfo
* - logfile
* - node
* - node_name
*
* extract with something like:
* grep local_options\\. repmgrd.c | perl -n -e '/local_options\.([\w_]+)/ && print qq|$1\n|;' | sort | uniq
*/
bool
reload_config(t_configuration_options *orig_options)
@@ -610,7 +633,6 @@ reload_config(t_configuration_options *orig_options)
return false;
}
if (strcmp(orig_options->conninfo, new_options.conninfo) != 0)
{
/* Test conninfo string works*/
@@ -637,6 +659,27 @@ reload_config(t_configuration_options *orig_options)
config_changed = true;
}
/* follow_command */
if (strcmp(orig_options->follow_command, new_options.follow_command) != 0)
{
strcpy(orig_options->follow_command, new_options.follow_command);
config_changed = true;
}
/* master_response_timeout */
if (orig_options->master_response_timeout != new_options.master_response_timeout)
{
orig_options->master_response_timeout = new_options.master_response_timeout;
config_changed = true;
}
/* monitor_interval_secs */
if (orig_options->monitor_interval_secs != new_options.monitor_interval_secs)
{
orig_options->monitor_interval_secs = new_options.monitor_interval_secs;
config_changed = true;
}
/* priority */
if (orig_options->priority != new_options.priority)
{
@@ -651,30 +694,6 @@ reload_config(t_configuration_options *orig_options)
config_changed = true;
}
/* follow_command */
if (strcmp(orig_options->follow_command, new_options.follow_command) != 0)
{
strcpy(orig_options->follow_command, new_options.follow_command);
config_changed = true;
}
/*
* XXX These ones can change with a simple SIGHUP?
*
* strcpy (orig_options->loglevel, new_options.loglevel); strcpy
* (orig_options->logfacility, new_options.logfacility);
*
* logger_shutdown(); XXX do we have progname here ? logger_init(progname,
* orig_options.loglevel, orig_options.logfacility);
*/
/* master_response_timeout */
if (orig_options->master_response_timeout != new_options.master_response_timeout)
{
orig_options->master_response_timeout = new_options.master_response_timeout;
config_changed = true;
}
/* reconnect_attempts */
if (orig_options->reconnect_attempts != new_options.reconnect_attempts)
{
@@ -689,14 +708,6 @@ reload_config(t_configuration_options *orig_options)
config_changed = true;
}
/* monitor_interval_secs */
if (orig_options->monitor_interval_secs != new_options.monitor_interval_secs)
{
orig_options->monitor_interval_secs = new_options.monitor_interval_secs;
config_changed = true;
}
/* retry_promote_interval_secs */
if (orig_options->retry_promote_interval_secs != new_options.retry_promote_interval_secs)
{
@@ -705,6 +716,23 @@ reload_config(t_configuration_options *orig_options)
}
/* witness_repl_nodes_sync_interval_secs */
if (orig_options->witness_repl_nodes_sync_interval_secs != new_options.witness_repl_nodes_sync_interval_secs)
{
orig_options->witness_repl_nodes_sync_interval_secs = new_options.witness_repl_nodes_sync_interval_secs;
config_changed = true;
}
/*
* XXX These ones can change with a simple SIGHUP?
*
* strcpy (orig_options->loglevel, new_options.loglevel); strcpy
* (orig_options->logfacility, new_options.logfacility);
*
* logger_shutdown(); XXX do we have progname here ? logger_init(progname,
* orig_options.loglevel, orig_options.logfacility);
*/
if (config_changed == true)
{
log_debug(_("reload_config(): configuration has changed\n"));