diff --git a/dashboards/gerrit-caches.json b/dashboards/gerrit-caches.json
index 811fd09..8a934b8 100644
--- a/dashboards/gerrit-caches.json
+++ b/dashboards/gerrit-caches.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 1,
       "gridPos": {
@@ -128,7 +158,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 1,
@@ -225,7 +255,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 1,
@@ -326,7 +356,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 1,
       "gridPos": {
@@ -422,7 +452,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 1,
       "gridPos": {
@@ -522,7 +552,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 0,
       "fillGradient": 0,
@@ -637,7 +667,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -662,7 +692,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-fetch-clone.json b/dashboards/gerrit-fetch-clone.json
index c1990fe..509897a 100644
--- a/dashboards/gerrit-fetch-clone.json
+++ b/dashboards/gerrit-fetch-clone.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "upload-pack requests",
       "fill": 1,
       "fillGradient": 0,
@@ -111,7 +141,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "upload-pack requests for fetches",
       "fill": 1,
       "fillGradient": 0,
@@ -200,7 +230,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 0,
       "fillGradient": 0,
       "gridPos": {
@@ -307,7 +337,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 0,
       "fillGradient": 0,
       "gridPos": {
@@ -420,7 +450,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -445,7 +475,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-latency.json b/dashboards/gerrit-latency.json
index 5e8c657..69c5935 100644
--- a/dashboards/gerrit-latency.json
+++ b/dashboards/gerrit-latency.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -125,7 +155,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -226,7 +256,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -327,7 +357,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -428,7 +458,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -529,7 +559,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -630,7 +660,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -731,7 +761,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -832,7 +862,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -933,7 +963,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1035,7 +1065,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1136,7 +1166,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1245,7 +1275,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -1270,7 +1300,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-overview.json b/dashboards/gerrit-overview.json
index 8508ec8..c4784fc 100644
--- a/dashboards/gerrit-overview.json
+++ b/dashboards/gerrit-overview.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -19,7 +49,7 @@
   "panels": [
     {
       "columns": [],
-      "datasource": "Prometheus",
+      "datasource": "${DS_PROMETHEUS}",
       "fontSize": "100%",
       "gridPos": {
         "h": 4,
@@ -159,7 +189,7 @@
     },
     {
       "collapsed": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 1,
         "w": 24,
@@ -173,7 +203,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 6,
         "w": 8,
@@ -243,7 +273,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 6,
         "w": 8,
@@ -313,7 +343,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 6,
         "w": 8,
@@ -374,7 +404,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 6,
         "w": 8,
@@ -433,7 +463,7 @@
     },
     {
       "cacheTimeout": null,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "Excludes 404 and 401, since these error codes are caused by client behaviour and are overrepresented in the data.",
       "gridPos": {
         "h": 6,
@@ -503,7 +533,7 @@
       "type": "gauge"
     },
     {
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 1,
         "w": 24,
@@ -520,7 +550,7 @@
       "cacheTimeout": null,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -614,7 +644,7 @@
         "rgba(237, 129, 40, 0.89)",
         "#299c46"
       ],
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "decimals": 2,
       "format": "percent",
       "gauge": {
@@ -695,7 +725,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "This excludes response code 404, since it is caused by an issue with the Gerrit Trigger plugin.",
       "fill": 1,
       "fillGradient": 0,
@@ -942,7 +972,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 0,
       "fillGradient": 0,
       "gridPos": {
@@ -1101,7 +1131,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 0,
       "fillGradient": 0,
       "gridPos": {
@@ -1209,7 +1239,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -1234,7 +1264,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-process.json b/dashboards/gerrit-process.json
index 046f688..f35b504 100644
--- a/dashboards/gerrit-process.json
+++ b/dashboards/gerrit-process.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -110,7 +140,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -216,7 +246,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -317,7 +347,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "decimals": 2,
       "fill": 6,
       "fillGradient": 0,
@@ -449,7 +479,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -538,7 +568,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 6,
       "fillGradient": 0,
       "gridPos": {
@@ -632,7 +662,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 2,
       "fillGradient": 0,
       "gridPos": {
@@ -749,7 +779,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -774,7 +804,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-queues.json b/dashboards/gerrit-queues.json
index bf34c48..d067e6a 100644
--- a/dashboards/gerrit-queues.json
+++ b/dashboards/gerrit-queues.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -149,7 +179,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -274,7 +304,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -399,7 +429,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -504,7 +534,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -599,7 +629,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -704,7 +734,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -847,7 +877,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -939,7 +969,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 0,
@@ -1061,7 +1091,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -1086,7 +1116,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/gerrit-replication.json b/dashboards/gerrit-replication.json
index e5cdea7..c4473ec 100644
--- a/dashboards/gerrit-replication.json
+++ b/dashboards/gerrit-replication.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -22,7 +52,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 1,
@@ -111,7 +141,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": null,
+      "datasource": "${DS_PROMETHEUS}",
       "description": "",
       "fill": 1,
       "fillGradient": 1,
@@ -206,7 +236,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total, instance)",
         "hide": 0,
         "includeAll": false,
@@ -231,7 +261,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "label_values(git_upload_pack_phase_writing_total{instance=\"$instance\"}, replica)",
         "hide": 0,
         "includeAll": false,
@@ -257,7 +287,7 @@
           "text": "",
           "value": ""
         },
-        "datasource": "Prometheus",
+        "datasource": "${DS_PROMETHEUS}",
         "definition": "metrics(plugins_replication_replication_latency_.*_count)",
         "hide": 0,
         "includeAll": false,
diff --git a/dashboards/loki-overview.json b/dashboards/loki-overview.json
index 050e59a..5dbf501 100644
--- a/dashboards/loki-overview.json
+++ b/dashboards/loki-overview.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -36,7 +66,7 @@
     {
       "cacheTimeout": null,
       "columns": [],
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fontSize": "100%",
       "gridPos": {
         "h": 5,
@@ -1401,7 +1431,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1519,7 +1549,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1637,7 +1667,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -1755,7 +1785,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
diff --git a/dashboards/prometheus-overview.json b/dashboards/prometheus-overview.json
index 9f09754..b1566d2 100644
--- a/dashboards/prometheus-overview.json
+++ b/dashboards/prometheus-overview.json
@@ -1,4 +1,34 @@
 {
+  "__inputs": [
+    {
+      "name": "DS_PROMETHEUS",
+      "label": "Prometheus",
+      "description": "",
+      "type": "datasource",
+      "pluginId": "prometheus",
+      "pluginName": "Prometheus"
+    }
+  ],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "7.1.5"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": ""
+    },
+    {
+      "type": "datasource",
+      "id": "prometheus",
+      "name": "Prometheus",
+      "version": "1.0.0"
+    }
+  ],
   "annotations": {
     "list": [
       {
@@ -40,7 +70,7 @@
     {
       "cacheTimeout": null,
       "columns": [],
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fontSize": "100%",
       "gridPos": {
         "h": 5,
@@ -494,7 +524,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 0,
       "fillGradient": 1,
       "gridPos": {
@@ -582,7 +612,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "description": "",
       "editable": true,
       "error": false,
@@ -683,7 +713,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 6,
@@ -808,7 +838,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -909,7 +939,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1008,7 +1038,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1115,7 +1145,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "decimals": 2,
       "editable": true,
       "error": false,
@@ -1224,7 +1254,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "decimals": null,
       "editable": true,
       "error": false,
@@ -1345,7 +1375,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1457,7 +1487,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -1554,7 +1584,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -1669,7 +1699,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1780,7 +1810,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1872,7 +1902,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -1984,7 +2014,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -2094,7 +2124,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -2196,7 +2226,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 3,
@@ -2318,7 +2348,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -2432,7 +2462,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -2531,7 +2561,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -2640,7 +2670,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "decimals": 0,
       "fill": 5,
       "fillGradient": 0,
@@ -2741,7 +2771,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -2842,7 +2872,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -2965,7 +2995,7 @@
       "bars": true,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 1,
       "fillGradient": 0,
       "gridPos": {
@@ -3055,7 +3085,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 3,
       "fillGradient": 0,
       "gridPos": {
@@ -3151,7 +3181,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "fill": 3,
       "fillGradient": 0,
       "gridPos": {
@@ -3268,7 +3298,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -3365,7 +3395,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -3462,7 +3492,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -3576,7 +3606,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -3674,7 +3704,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -3772,7 +3802,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -3884,7 +3914,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -3982,7 +4012,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 0,
@@ -4080,7 +4110,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 5,
@@ -4233,7 +4263,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -4341,7 +4371,7 @@
       "bars": false,
       "dashLength": 10,
       "dashes": false,
-      "datasource": "Prometheus",
+      "datasource":"${DS_PROMETHEUS}",
       "editable": true,
       "error": false,
       "fill": 1,
@@ -4534,7 +4564,7 @@
           "text": "0.99",
           "value": "0.99"
         },
-        "datasource": "Prometheus",
+        "datasource":"${DS_PROMETHEUS}",
         "definition": "query_result({__name__=~\"prometheus_.*_seconds\"})",
         "hide": 0,
         "includeAll": false,
diff --git a/subcommands/install.py b/subcommands/install.py
index e5fa1fa..871f797 100644
--- a/subcommands/install.py
+++ b/subcommands/install.py
@@ -73,6 +73,9 @@
             dashboard_cm = yaml.load(f, Loader=yaml.SafeLoader)
             dashboard_cm["metadata"]["labels"] = dict()
             dashboard_cm["metadata"]["labels"]["grafana_dashboard"] = dashboard_name
+            dashboard_cm["data"][dashboard] = dashboard_cm["data"][dashboard].replace(
+                '"${DS_PROMETHEUS}"', "null"
+            )
 
         with open(output_file, "w") as f:
             yaml.dump(dashboard_cm, f)