Add `charts` to templates (#11054)

Add new entities to Netdata templates.

2 files changed, 11 insertions, 0 deletions

diff --git a/database/rrdcalctemplate.c b/database/rrdcalctemplate.c
index 007b8c5d6a..5060313ec0 100644
--- a/database/rrdcalctemplate.c
+++ b/database/rrdcalctemplate.c
@@ -45,6 +45,11 @@ static int rrdcalctemplate_is_there_label_restriction(RRDCALCTEMPLATE *rt,  RRDH
 }
 
 static inline int rrdcalctemplate_test_additional_restriction(RRDCALCTEMPLATE *rt, RRDSET *st) {
+    if (rt->charts_pattern &&
+        !(simple_pattern_matches(rt->charts_pattern, st->id) ||
+         simple_pattern_matches(rt->charts_pattern, st->name)))
+        return 0;
+
     if (rt->family_pattern && !simple_pattern_matches(rt->family_pattern, st->family))
         return 0;
 
@@ -111,6 +116,9 @@ inline void rrdcalctemplate_free(RRDCALCTEMPLATE *rt) {
     freez(rt->module_match);
     simple_pattern_free(rt->module_pattern);
 
+    freez(rt->charts_match);
+    simple_pattern_free(rt->charts_pattern);
+
     freez(rt->name);
     freez(rt->exec);
     freez(rt->recipient);
diff --git a/database/rrdcalctemplate.h b/database/rrdcalctemplate.h
index 64c201c8c0..65114da6af 100644
--- a/database/rrdcalctemplate.h
+++ b/database/rrdcalctemplate.h
@@ -31,6 +31,9 @@ struct rrdcalctemplate {
     char *module_match;
     SIMPLE_PATTERN *module_pattern;
 
+    char *charts_match;
+    SIMPLE_PATTERN *charts_pattern;
+
     char *source;                   // the source of this alarm
     char *units;                    // the units of the alarm
     char *info;                     // a short description of the alarm