alarms_values: New endpoint (#7836)

* alarms_values: New endpoint

This commit brings the new endpoint to Netdata

* alarms_values: Documentation

This commit brings the missing documentation for the PR

* alarms_values: New function

This commit brings a new code that removes dupplication

* alarms_values: Fix typo

* alarms_values: Fix missing word

This commit fixes the missing word inside the documentation

* alarms_values: Fix order

This commit fixes the order of the alarm answer

* alarms_values:

Fixes typo and remmove unecessary variable

* alarms_values: Fixes doc

Describe all paramenters present in the endpoint

* alarms_values: Same options

This commit brings the same input pattern for alams and alams_values

* alarms_values: Update swagger

This commit brings the missing information to swagger json

* alarms_values: Update swagger

This commit brings the missing information to swagger yaml

1 files changed, 44 insertions, 13 deletions

diff --git a/health/health_json.c b/health/health_json.c
index 8a088d034a..eae21352f1 100644
--- a/health/health_json.c
+++ b/health/health_json.c
@@ -113,6 +113,25 @@ void health_alarm_log2json(RRDHOST *host, BUFFER *wb, uint32_t after) {
     netdata_rwlock_unlock(&host->health_log.alarm_log_rwlock);
 }
 
+static inline void health_rrdcalc_values2json_nolock(RRDHOST *host, BUFFER *wb, RRDCALC *rc) {
+    (void)host;
+    buffer_sprintf(wb,
+                   "\t\t\"%s.%s\": {\n"
+                   "\t\t\t\"id\": %lu,\n"
+                   , rc->chart, rc->name
+                   , (unsigned long)rc->id);
+
+    buffer_strcat(wb, "\t\t\t\"value\":");
+    buffer_rrd_value(wb, rc->value);
+    buffer_strcat(wb, ",\n");
+
+    buffer_sprintf(wb,
+                   "\t\t\t\"status\": \"%s\"\n"
+                   , rrdcalc_status2string(rc->status));
+
+    buffer_strcat(wb, "\t\t}");
+}
+
 static inline void health_rrdcalc2json_nolock(RRDHOST *host, BUFFER *wb, RRDCALC *rc) {
     char value_string[100 + 1];
     format_value_and_unit(value_string, 100, rc->value, rc->units, -1);
@@ -272,9 +291,23 @@ void health_aggregate_alarms(RRDHOST *host, BUFFER *wb, BUFFER* contexts, RRDCAL
     rrdhost_unlock(host);
 }
 
-void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
+void health_alarms2json_fill_alarms(RRDHOST *host, BUFFER *wb, int all, void (*fp)(RRDHOST *, BUFFER *, RRDCALC *)) {
+    RRDCALC *rc;
     int i;
+    for(i = 0, rc = host->alarms; rc ; rc = rc->next) {
+        if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec))
+            continue;
+
+        if(likely(!all && !(rc->status == RRDCALC_STATUS_WARNING || rc->status == RRDCALC_STATUS_CRITICAL)))
+            continue;
+
+        if(likely(i)) buffer_strcat(wb, ",\n");
+        fp(host, wb, rc);
+        i++;
+    }
+}
 
+void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
     rrdhost_rdlock(host);
     buffer_sprintf(wb, "{\n\t\"hostname\": \"%s\","
                     "\n\t\"latest_alarm_log_unique_id\": %u,"
@@ -286,18 +319,7 @@ void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
             host->health_enabled?"true":"false",
             (unsigned long)now_realtime_sec());
 
-    RRDCALC *rc;
-    for(i = 0, rc = host->alarms; rc ; rc = rc->next) {
-        if(unlikely(!rc->rrdset || !rc->rrdset->last_collected_time.tv_sec))
-            continue;
-
-        if(likely(!all && !(rc->status == RRDCALC_STATUS_WARNING || rc->status == RRDCALC_STATUS_CRITICAL)))
-            continue;
-
-        if(likely(i)) buffer_strcat(wb, ",\n");
-        health_rrdcalc2json_nolock(host, wb, rc);
-        i++;
-    }
+    health_alarms2json_fill_alarms(host, wb, all,  health_rrdcalc2json_nolock);
 
 //    buffer_strcat(wb, "\n\t},\n\t\"templates\": {");
 //    RRDCALCTEMPLATE *rt;
@@ -308,5 +330,14 @@ void health_alarms2json(RRDHOST *host, BUFFER *wb, int all) {
     rrdhost_unlock(host);
 }
 
+void health_alarms_values2json(RRDHOST *host, BUFFER *wb, int all) {
+    rrdhost_rdlock(host);
+    buffer_sprintf(wb, "{\n\t\"hostname\": \"%s\","
+                       "\n\t\"alarms\": {\n",
+                   host->hostname);
 
+    health_alarms2json_fill_alarms(host, wb, all,  health_rrdcalc_values2json_nolock);
 
+    buffer_strcat(wb, "\n\t}\n}\n");
+    rrdhost_unlock(host);
+}