Merge branch 'fix/grafana_sensor_status' into 'master'

Fix DDash sensorstatus

See merge request noc/noc!3390

(cherry picked from commit a6561f25)

b15113a8 Fix DDash sensorstatus
c4ea1931 Some fixes

templates/ddash/graph_environment_sensorstatus.j2

@@ -23,9 +23,19 @@
   "rowHeight": 30,
   "valueMaps": [
     {
+      "text": "N/A",
       "value": "null",
+      "op": "="
+    },
+    {
+      "value": "1",
       "op": "=",
-      "text": "N/A"
+      "text": "OK"
+    },
+    {
+      "value": "0",
+      "op": "=",
+      "text": "FALSE"
     }
   ],
   "mappingTypes": [
@@ -40,15 +50,27 @@
   ],
   "rangeMaps": [
     {
-      "from": "null",
-      "to": "null",
-      "text": "N/A"
+      "from": "2",
+      "to": "10",
+      "text": "Unknown"
     }
   ],
   "colorMaps": [
     {
-      "text": "N/A",
-      "color": "#CCC"
+      "color": "#CCC",
+      "text": "N/A"
+    },
+    {
+      "text": "OK",
+      "color": "#508642"
+    },
+    {
+      "text": "FALSE",
+      "color": "#bf1b00"
+    },
+    {
+      "text": "Unknown",
+      "color": "#FADE2A"
     }
   ],
   "metricNameColor": "#000000",