grafana: add PostgreSQL to servers dashboard

hosts/grafana/dashboards/pVoyupoZk.json

@@ -201,7 +201,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "9.3.1",
+      "pluginVersion": "9.4.7",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -870,7 +870,7 @@
         "alertThreshold": true
       },
       "percentage": false,
-      "pluginVersion": "9.3.1",
+      "pluginVersion": "9.4.7",
       "pointradius": 2,
       "points": false,
       "renderer": "flot",
@@ -1582,7 +1582,8 @@
             "mode": "absolute",
             "steps": [
               {
-                "color": "green"
+                "color": "green",
+                "value": null
               },
               {
                 "color": "red",
@@ -1761,10 +1762,158 @@
       ],
       "title": "Disk IO",
       "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "influxdb",
+        "uid": "P79EA3E036FD9FF91"
+      },
+      "description": "",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 33
+      },
+      "id": 18,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "alias": "$tag_instance $tag_type_instance",
+          "datasource": {
+            "type": "influxdb",
+            "uid": "P79EA3E036FD9FF91"
+          },
+          "groupBy": [
+            {
+              "params": [
+                "$__interval"
+              ],
+              "type": "time"
+            },
+            {
+              "params": [
+                "instance"
+              ],
+              "type": "tag"
+            },
+            {
+              "params": [
+                "type"
+              ],
+              "type": "tag"
+            },
+            {
+              "params": [
+                "type_instance"
+              ],
+              "type": "tag"
+            },
+            {
+              "params": [
+                "null"
+              ],
+              "type": "fill"
+            }
+          ],
+          "measurement": "postgresql_value",
+          "orderByTime": "ASC",
+          "policy": "default",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "select": [
+            [
+              {
+                "params": [
+                  "value"
+                ],
+                "type": "field"
+              },
+              {
+                "params": [],
+                "type": "mean"
+              }
+            ]
+          ],
+          "tags": [
+            {
+              "key": "host",
+              "operator": "=~",
+              "value": "/^$server$/"
+            }
+          ]
+        }
+      ],
+      "title": "PostgreSQL",
+      "type": "timeseries"
     }
   ],
   "refresh": false,
-  "schemaVersion": 37,
+  "revision": 1,
+  "schemaVersion": 38,
   "style": "dark",
   "tags": [],
   "templating": {
@@ -1772,8 +1921,12 @@
       {
         "current": {
           "selected": false,
-          "text": "hydra",
-          "value": "hydra"
+          "text": "buzzrelay",
+          "value": "buzzrelay"
+        },
+        "datasource": {
+          "type": "influxdb",
+          "uid": "P79EA3E036FD9FF91"
         },
         "definition": "SHOW TAG VALUES WITH KEY = \"host\"",
         "hide": 0,
@@ -1794,7 +1947,7 @@
     ]
   },
   "time": {
-    "from": "now-24h",
+    "from": "now-7d",
     "to": "now"
   },
   "timepicker": {
@@ -1816,4 +1969,4 @@
   "uid": "pVoyupoZk",
   "version": 1,
   "weekStart": ""
-}
+}