Add dashboard for swap utilization per cluster and node

Author: aledbf

operations/observability/mixins/workspace/dashboards.libsonnet

@@ -17,5 +17,6 @@
     'gitpod-component-ws-proxy.json': (import 'dashboards/components/ws-proxy.json'),
     'gitpod-workspace-success-criteria.json': (import 'dashboards/success-criteria.json'),
     'gitpod-workspace-coredns.json': (import 'dashboards/coredns.json'),
+    'gitpod-node-swap.json': (import 'dashboards/node-swap.json'),
   },
 }

operations/observability/mixins/workspace/dashboards/node-swap.json

@@ -0,0 +1,233 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": {
+          "type": "datasource",
+          "uid": "grafana"
+        },
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "iteration": 1658268783887,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${datasource}"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineStyle": {
+              "fill": "solid"
+            },
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "percentunit"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 13,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 2,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "editorMode": "code",
+          "expr": "((node_memory_SwapTotal_bytes{cluster=~\"$cluster\", node=~\"$node\"} - node_memory_SwapFree_bytes{cluster=~\"$cluster\", node=~\"$node\"}) / node_memory_SwapTotal_bytes{cluster=~\"$cluster\", node=~\"$node\"})",
+          "legendFormat": "{{instance}}",
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Swap utilization",
+      "type": "timeseries"
+    }
+  ],
+  "refresh": "1m",
+  "schemaVersion": 36,
+  "style": "dark",
+  "tags": [
+    "gitpod-mixin"
+  ],
+  "templating": {
+    "list": [
+      {
+        "current": {
+          "selected": true,
+          "text": [
+            "us54"
+          ],
+          "value": [
+            "us54"
+          ]
+        },
+        "datasource": {
+          "type": "prometheus",
+          "uid": "$datasource"
+        },
+        "definition": "label_values(up{job=\"ws-daemon\"}, cluster)",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Cluster",
+        "multi": true,
+        "name": "cluster",
+        "options": [],
+        "query": {
+          "query": "label_values(up{job=\"ws-daemon\"}, cluster)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "current": {},
+        "datasource": {
+          "type": "prometheus",
+          "uid": "$datasource"
+        },
+        "definition": "label_values(container_cpu_usage_seconds_total{cluster=~\"$cluster\", pod=~\"ws-daemon.*\"}, node)",
+        "hide": 0,
+        "includeAll": true,
+        "label": "Node",
+        "multi": true,
+        "name": "node",
+        "options": [],
+        "query": {
+          "query": "label_values(container_cpu_usage_seconds_total{cluster=~\"$cluster\", pod=~\"ws-daemon.*\"}, node)",
+          "refId": "StandardVariableQuery"
+        },
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "current": {
+          "selected": false,
+          "text": "VictoriaMetrics",
+          "value": "VictoriaMetrics"
+        },
+        "hide": 2,
+        "includeAll": false,
+        "multi": false,
+        "name": "datasource",
+        "options": [],
+        "query": "prometheus",
+        "refresh": 2,
+        "regex": "",
+        "skipUrlSync": false,
+        "type": "datasource"
+      }
+    ]
+  },
+  "time": {
+    "from": "now-6h",
+    "to": "now"
+  },
+  "timepicker": {
+    "refresh_intervals": [
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ]
+  },
+  "timezone": "utc",
+  "title": "Gitpod / Node / Swap",
+  "uid": "node-swap",
+  "version": 3,
+  "weekStart": ""
+}