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// SPDX-License-Identifier: GPL-3.0-or-later
#define NETDATA_HEALTH_INTERNALS
#include "rrd.h"
// ----------------------------------------------------------------------------
// RRDCALCTEMPLATE management
/**
* RRDCALC TEMPLATE LINK MATCHING
*
* @param rt is the template used to create the chart.
* @param st is the chart where the alarm will be attached.
*/
void rrdcalctemplate_check_conditions_and_link(RRDCALCTEMPLATE *rt, RRDSET *st, RRDHOST *host) {
if(rt->context != st->context)
return;
if (rt->charts_pattern && !simple_pattern_matches(rt->charts_pattern, rrdset_name(st)))
return;
if (rt->family_pattern && !simple_pattern_matches(rt->family_pattern, rrdset_family(st)))
return;
if (rt->module_pattern && !simple_pattern_matches(rt->module_pattern, rrdset_module_name(st)))
return;
if (rt->plugin_pattern && !simple_pattern_matches(rt->plugin_pattern, rrdset_plugin_name(st)))
return;
if(host->host_labels && rt->host_labels_pattern && !rrdlabels_match_simple_pattern_parsed(host->host_labels, rt->host_labels_pattern, '='))
return;
RRDCALC *rc = rrdcalc_create_from_template(host, rt, rrdset_id(st));
if (unlikely(!rc))
info("Health tried to create alarm from template '%s' on chart '%s' of host '%s', but it failed", rrdcalctemplate_name(rt), rrdset_id(st), rrdhost_hostname(host));
#ifdef NETDATA_INTERNAL_CHECKS
else if (rc->rrdset != st && !rc->foreachdim) //When we have a template with foreachdim, the child will be added to the index late
error("Health alarm '%s.%s' should be linked to chart '%s', but it is not", rrdcalc_chart_name(rc), rrdcalc_name(rc), rrdset_id(st));
#endif
}
void rrdcalctemplate_link_matching(RRDSET *st) {
RRDHOST *host = st->rrdhost;
RRDCALCTEMPLATE *rt;
foreach_rrdcalctemplate_in_rrdhost(host, rt)
rrdcalctemplate_check_conditions_and_link(rt, st, host);
}
inline void rrdcalctemplate_free(RRDCALCTEMPLATE *rt) {
if(unlikely(!rt)) return;
expression_free(rt->calculation);
expression_free(rt->warning);
expression_free(rt->critical);
string_freez(rt->family_match);
simple_pattern_free(rt->family_pattern);
string_freez(rt->plugin_match);
simple_pattern_free(rt->plugin_pattern);
string_freez(rt->module_match);
simple_pattern_free(rt->module_pattern);
string_freez(rt->charts_match);
simple_pattern_free(rt->charts_pattern);
string_freez(rt->name);
string_freez(rt->exec);
string_freez(rt->recipient);
string_freez(rt->classification);
string_freez(rt->component);
string_freez(rt->type);
string_freez(rt->context);
string_freez(rt->source);
string_freez(rt->units);
string_freez(rt->info);
string_freez(rt->dimensions);
string_freez(rt->foreachdim);
string_freez(rt->host_labels);
simple_pattern_free(rt->spdim);
simple_pattern_free(rt->host_labels_pattern);
freez(rt);
}
inline void rrdcalctemplate_unlink_and_free(RRDHOST *host, RRDCALCTEMPLATE *rt) {
if(unlikely(!rt)) return;
debug(D_HEALTH, "Health removing template '%s' of host '%s'", rrdcalctemplate_name(rt), rrdhost_hostname(host));
DOUBLE_LINKED_LIST_REMOVE_UNSAFE(host->alarms_templates, rt, prev, next);
rrdcalctemplate_free(rt);
}
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