From c7d21dd3efe7e84b2c518266c1c2a38181dd4248 Mon Sep 17 00:00:00 2001
From: "Marcelo E. Magallon" <marcelo.magallon@grafana.com>
Date: Thu, 9 Jul 2020 15:51:31 -0600
Subject: [PATCH] Use probe_dns_duration_seconds

This PR:

https://github.com/grafana/synthetic-monitoring-agent/pull/54

uses an updated version of blackbox_exporter that exposes a metric
called "probe_dns_duration_seconds", which is the time it takes for DNS
check to complete from connection to getting back the RR from the DNS
server. The metric has a label "phase" with three different values for
each phase of the query, just like probe_http_duration_seconds.

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>
---
 src/dashboards/sm-dns.json | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/dashboards/sm-dns.json b/src/dashboards/sm-dns.json
index a80ac736c..653032d7c 100644
--- a/src/dashboards/sm-dns.json
+++ b/src/dashboards/sm-dns.json
@@ -78,7 +78,7 @@
     "gnetId": null,
     "graphTooltip": 0,
     "id": null,
-    "iteration": 1591627233669,
+    "iteration": 1594330906000,
     "links": [],
     "panels": [
       {
@@ -285,7 +285,7 @@
         "pluginVersion": "7.0.3",
         "targets": [
           {
-            "expr": "sum(rate(probe_dns_lookup_time_seconds_sum{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"}[$__range])) / sum(rate(probe_dns_lookup_time_seconds_count{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"}[$__range]))",
+            "expr": "sum(rate(probe_dns_duration_seconds_sum{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"}[$__range])) / sum(rate(probe_dns_duration_seconds_count{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"}[$__range]))",
             "hide": false,
             "instant": true,
             "interval": "",
@@ -626,7 +626,7 @@
         "steppedLine": false,
         "targets": [
           {
-            "expr": "avg(probe_dns_lookup_time_seconds{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"} * on (instance, job,probe,config_version) group_left probe_success{probe=~\"$probe\",instance=\"$instance\", job=\"$job\"} > 0) by (probe)",
+            "expr": "avg(probe_dns_duration_seconds{probe=~\"$probe\", instance=\"$instance\", job=\"$job\"} * on (instance, job,probe,config_version) group_left probe_success{probe=~\"$probe\",instance=\"$instance\", job=\"$job\"} > 0) by (probe)",
             "instant": false,
             "interval": "",
             "intervalFactor": 1,
@@ -948,5 +948,5 @@
     "timezone": "",
     "title": "Synthetic Monitoring - DNS",
     "uid": "lgL6odgGz",
-    "version": 8
-  }
\ No newline at end of file
+    "version": 9
+  }