From 3c315f0fff93aa072472abc10815963ac0035268 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 12 Aug 2022 09:26:11 +0200
Subject: Adding upstream version 1.36.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 database/rrdcalctemplate.c | 102 ++++++++++++---------------------------------
 1 file changed, 27 insertions(+), 75 deletions(-)

(limited to 'database/rrdcalctemplate.c')

diff --git a/database/rrdcalctemplate.c b/database/rrdcalctemplate.c
index 9789f4bea..3f9804b93 100644
--- a/database/rrdcalctemplate.c
+++ b/database/rrdcalctemplate.c
@@ -4,98 +4,50 @@
 #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->hash_context != st->hash_context || strcmp(rt->context, st->context) != 0)
+        return;
 
-static int rrdcalctemplate_is_there_label_restriction(RRDCALCTEMPLATE *rt,  RRDHOST *host) {
-    if(!rt->labels)
-        return 0;
-
-    errno = 0;
-    struct label *move = host->labels.head;
-    char cmp[CONFIG_FILE_LINE_MAX+1];
-
-    int ret;
-    if(move) {
-        rrdhost_check_rdlock(host);
-        netdata_rwlock_rdlock(&host->labels.labels_rwlock);
-        while(move) {
-            snprintfz(cmp, CONFIG_FILE_LINE_MAX, "%s=%s", move->key, move->value);
-            if (simple_pattern_matches(rt->splabels, move->key) ||
-                simple_pattern_matches(rt->splabels, cmp)) {
-                break;
-            }
-            move = move->next;
-        }
-        netdata_rwlock_unlock(&host->labels.labels_rwlock);
-
-        if(!move) {
-            error("Health template '%s' cannot be applied, because the host %s does not have the label(s) '%s'",
-                   rt->name,
-                   host->hostname,
-                   rt->labels
-            );
-            ret = 1;
-        } else {
-            ret = 0;
-        }
-    } else {
-        ret =0;
-    }
-
-    return ret;
-}
-
-static inline int rrdcalctemplate_test_additional_restriction(RRDCALCTEMPLATE *rt, RRDSET *st) {
     if (rt->charts_pattern && !simple_pattern_matches(rt->charts_pattern, st->name))
-        return 0;
+        return;
 
     if (rt->family_pattern && !simple_pattern_matches(rt->family_pattern, st->family))
-        return 0;
+        return;
 
     if (rt->module_pattern && !simple_pattern_matches(rt->module_pattern, st->module_name))
-        return 0;
+        return;
 
     if (rt->plugin_pattern && !simple_pattern_matches(rt->plugin_pattern, st->plugin_name))
-        return 0;
+        return;
 
-    return 1;
-}
+    if(host->host_labels && rt->host_labels_pattern && !rrdlabels_match_simple_pattern_parsed(host->host_labels, rt->host_labels_pattern, '='))
+        return;
 
-// 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_link_matching_test(RRDCALCTEMPLATE *rt, RRDSET *st, RRDHOST *host) {
-    if(rt->hash_context == st->hash_context && !strcmp(rt->context, st->context) &&
-        rrdcalctemplate_test_additional_restriction(rt, st) ) {
-        if (!rrdcalctemplate_is_there_label_restriction(rt, host)) {
-            RRDCALC *rc = rrdcalc_create_from_template(host, rt, st->id);
-            if (unlikely(!rc))
-                info("Health tried to create alarm from template '%s' on chart '%s' of host '%s', but it failed",
-                     rt->name, st->id, host->hostname);
+    RRDCALC *rc = rrdcalc_create_from_template(host, rt, st->id);
+    if (unlikely(!rc))
+        info("Health tried to create alarm from template '%s' on chart '%s' of host '%s', but it failed", rt->name, st->id, host->hostname);
 #ifdef NETDATA_INTERNAL_CHECKS
-            else if (rc->rrdset != st &&
-                     !rc->foreachdim) //When we have a template with foreadhdim, the child will be added to the index late
-                error("Health alarm '%s.%s' should be linked to chart '%s', but it is not",
-                      rc->chart ? rc->chart : "NOCHART", rc->name, st->id);
+    else if (rc->rrdset != st && !rc->foreachdim) //When we have a template with foreadhdim, the child will be added to the index late
+        error("Health alarm '%s.%s' should be linked to chart '%s', but it is not", rc->chart ? rc->chart : "NOCHART", rc->name, st->id);
 #endif
-        }
-    }
 }
 
 void rrdcalctemplate_link_matching(RRDSET *st) {
     RRDHOST *host = st->rrdhost;
     RRDCALCTEMPLATE *rt;
 
-    for(rt = host->templates; rt ; rt = rt->next) {
-        rrdcalctemplate_link_matching_test(rt, st, host);
-    }
+    for(rt = host->templates; rt ; rt = rt->next)
+        rrdcalctemplate_check_conditions_and_link(rt, st, host);
 
-    for(rt = host->alarms_template_with_foreach; rt ; rt = rt->next) {
-        rrdcalctemplate_link_matching_test(rt, st, host);
-    }
+    for(rt = host->alarms_template_with_foreach; rt ; rt = rt->next)
+        rrdcalctemplate_check_conditions_and_link(rt, st, host);
 }
 
 inline void rrdcalctemplate_free(RRDCALCTEMPLATE *rt) {
@@ -129,9 +81,9 @@ inline void rrdcalctemplate_free(RRDCALCTEMPLATE *rt) {
     freez(rt->info);
     freez(rt->dimensions);
     freez(rt->foreachdim);
-    freez(rt->labels);
+    freez(rt->host_labels);
     simple_pattern_free(rt->spdim);
-    simple_pattern_free(rt->splabels);
+    simple_pattern_free(rt->host_labels_pattern);
     freez(rt);
 }
 
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