memory: add influxdb queries

Author: patapenka-alexey

dashboard/panels/runtime.libsonnet

@@ -39,7 +39,34 @@ local variable = import 'dashboard/variable.libsonnet';
     labelY1='in bytes',
     panel_width=8,
   ).addTarget(
-    common.target(cfg, 'tnt_memory + tnt_memory_virt')
+    if cfg.type == variable.datasource_type.prometheus then
+      prometheus.target(
+        // expr='tnt_memory + tnt_memory_virt',
+        expr=std.format(
+          |||
+            (%(metrics_prefix)stnt_memory{%(filters)s}) +
+            (%(metrics_prefix)stnt_memory_virt{%(filters)s})
+          |||,
+          {
+            metrics_prefix: cfg.metrics_prefix,
+            filters: common.prometheus_query_filters(cfg.filters),
+          }
+        ),
+        legendFormat=title,
+      )
+    else if cfg.type == variable.datasource_type.influxdb then
+      influxdb.target(
+        rawQuery=true,
+        query=|||
+          SELECT sum("value")
+          FROM "$policy"."$measurement"
+          WHERE (("metric_name" = 'tnt_memory' OR "metric_name" = 'tnt_memory_virt') AND "label_pairs_alias" =~ /^$alias$/) 
+          AND $timeFilter
+          GROUP BY time($__interval), "label_pairs_alias" fill(none)
+        |||,
+        alias='$tag_label_pairs_alias',
+      )
+    // common.target(cfg, 'tnt_memory + tnt_memory_virt')
   ),
 
   resident_memory_per_instance(
@@ -103,7 +130,17 @@ local variable = import 'dashboard/variable.libsonnet';
         legendFormat=title,
       )
     else if cfg.type == variable.datasource_type.influxdb then
-      influxdb.target()
+      influxdb.target(
+        rawQuery=true,
+        query=|||
+          SELECT SUM("value") AS total_memory_per_cluster
+          FROM "$policy"."$measurement"
+          WHERE ("metric_name" = 'tnt_memory' OR "metric_name" = 'tnt_memory_virt')
+          AND $timeFilter
+          GROUP BY time($__interval)
+        |||,
+        alias=title,
+      )
   ),
 
   total_resident_memory(
@@ -123,7 +160,17 @@ local variable = import 'dashboard/variable.libsonnet';
     if cfg.type == variable.datasource_type.prometheus then
       prometheus.target(expr=aggregate_expr(cfg, 'tnt_memory'), legendFormat=title)
     else if cfg.type == variable.datasource_type.influxdb then
-      influxdb.target()
+      influxdb.target(
+        rawQuery=true,
+        query=|||
+          SELECT SUM("value") AS total_resident_memory
+          FROM "$policy"."$measurement"
+          WHERE "metric_name" = 'tnt_memory' AND "label_pairs_alias" =~ /^$alias$/
+          AND $timeFilter
+          GROUP BY time($__interval)
+        |||,
+        alias=title,
+      )
   ),
 
   total_virtual_memory(
@@ -143,7 +190,17 @@ local variable = import 'dashboard/variable.libsonnet';
     if cfg.type == variable.datasource_type.prometheus then
       prometheus.target(expr=aggregate_expr(cfg, 'tnt_memory_virt'), legendFormat=title)
     else if cfg.type == variable.datasource_type.influxdb then
-      influxdb.target()
+      influxdb.target(
+        rawQuery=true,
+        query=|||
+          SELECT SUM("value") AS total_virt_memory
+          FROM "$policy"."$measurement"
+          WHERE "metric_name" = 'tnt_memory_virt' AND "label_pairs_alias" =~ /^$alias$/
+          AND $timeFilter
+          GROUP BY time($__interval)
+        |||,
+        alias=title,
+      )
   ),
 
   lua_memory(