Merge pull request 'grafana: add logs dashboard' (#88) from develop into master

Reviewed-on: #88

modules/nixos/loki/dashboards/logs.json

@@ -0,0 +1,75 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "grafana",
+          "uid": "-- Graphics --"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": 1,
+  "links": [],
+  "panels": [
+    {
+      "datasource": {
+        "type": "loki",
+        "uid": "Loki"
+      },
+      "gridPos": {
+        "h": 24,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 1,
+      "options": {
+        "dedupStrategy": "none",
+        "enableLogDetails": true,
+        "prettifyLogMessage": false,
+        "showCommonLabels": false,
+        "showLabels": false,
+        "showTime": true,
+        "sortOrder": "Descending",
+        "wrapLogMessage": false
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "loki",
+            "uid": "Loki"
+          },
+          "expr": "{job=\"systemd-journal\"}",
+          "refId": "A"
+        }
+      ],
+      "title": "System Logs",
+      "type": "logs"
+    }
+  ],
+  "schemaVersion": 38,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-6h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "System Logs",
+  "uid": "system-logs",
+  "version": 1
+}

modules/nixos/loki/default.nix

@@ -60,6 +60,13 @@
           access = "proxy";
           url = "http://127.0.0.1:3100";
           isDefault = true;
+          uid = "Loki";
+        }
+      ];
+      dashboards.settings.providers = [
+        {
+          name = "default";
+          options.path = ./dashboards;
         }
       ];
     };