fix: grafana loki-logs dashboard

hosts/idols-aquamarine/grafana/dashboards/README.md

@@ -17,7 +17,15 @@
 
 1. https://github.com/kubevirt/monitoring/tree/main/dashboards/grafana
 
+## Loki Mixin
+
+An opinionated set of dashboards, alerts, and recording rules to monitor your Loki cluster. The
+mixin provides a comprehensive package for monitoring Loki in production.
+
+1. https://github.com/grafana/loki/tree/main/production/loki-mixin-compiled/dashboards
 
 ## Databases
 
+Requires Prometheus PostgreSQL exporter metrics. See: wrouesnel/postgres_exporter
+
 1. https://grafana.com/grafana/dashboards/9628-postgresql-database/

hosts/idols-aquamarine/grafana/dashboards/loki-mixin/loki-logs.json

@@ -644,6 +644,98 @@
         "alignLevel": null
       }
     },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "fieldConfig": {
+        "defaults": {
+          "unit": "ops"
+        }
+      },
+      "fill": 1,
+      "fillGradient": 0,
+      "gridPos": {
+        "h": 4,
+        "w": 3,
+        "x": 21,
+        "y": 0
+      },
+      "hiddenSeries": false,
+      "id": 42,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": false,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "nullPointMode": "null",
+      "options": {
+        "dataLinks": []
+      },
+      "percentage": false,
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "sum(rate(promtail_custom_bad_words_total{cluster=\"$cluster\", exported_namespace=\"$namespace\", container=~\"$container\"}[$__rate_interval])) by (level)",
+          "legendFormat": "{{level}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeRegions": [],
+      "timeShift": null,
+      "title": "bad words",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "timeseries",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
     {
       "aliasColors": {},
       "bars": false,