Fix GBarmUB dashboards for live metrics and no-data panels

GBarmUB/docker-container-metrics.json

@@ -53,7 +53,7 @@
         },
         "targets": [
           {
-            "expr": "count(rate(container_last_seen{name=~\"$container|.*\",name!=\"\"}[5m]))",
+            "expr": "count((time() - container_last_seen{name=~\"$container|.*\",name!=\"\"}) < 120)",
             "refId": "A"
           }
         ],
@@ -409,7 +409,7 @@
         },
         "targets": [
           {
-            "expr": "(container_memory_usage_bytes{name=~\"$container|.*\",name!=\"\"} / container_spec_memory_limit_bytes{name=~\"$container|.*\",name!=\"\"}) * 100",
+            "expr": "100 * (container_memory_usage_bytes{name=~\"$container|.*\",name!=\"\"} / container_spec_memory_limit_bytes{name=~\"$container|.*\",name!=\"\"}) and on(name) (container_spec_memory_limit_bytes{name=~\"$container|.*\",name!=\"\"} > 0)",
             "legendFormat": "{{name}}",
             "refId": "A"
           }

GBarmUB/gbarmub-node-exporter.json

@@ -169,7 +169,7 @@
           {
             "editorMode": "code",
             "exemplar": false,
-            "expr": "irate(node_pressure_irq_stalled_seconds_total{instance=\"$node\",job=\"$job\"}[$__rate_interval])",
+            "expr": "irate(node_pressure_irq_stalled_seconds_total{instance=\"$node\",job=\"$job\"}[$__rate_interval]) or vector(0)",
             "format": "time_series",
             "instant": true,
             "legendFormat": "Irq",
@@ -3392,7 +3392,7 @@
               },
               {
                 "editorMode": "code",
-                "expr": "rate(node_pressure_irq_stalled_seconds_total{instance=\"$node\",job=\"$job\"}[$__rate_interval])",
+                "expr": "rate(node_pressure_irq_stalled_seconds_total{instance=\"$node\",job=\"$job\"}[$__rate_interval]) or vector(0)",
                 "format": "time_series",
                 "legendFormat": "IRQ - Full",
                 "range": true,

GBarmUB/traefik-log-review-dashboard.json

@@ -185,7 +185,7 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 2\\d{2} ` [5m]))",
+            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 2\\d{2} ` [5m])) or vector(0)",
             "legendFormat": "2xx 成功",
             "refId": "A"
           },
@@ -194,7 +194,7 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 3\\d{2} ` [5m]))",
+            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 3\\d{2} ` [5m])) or vector(0)",
             "legendFormat": "3xx 重定向",
             "refId": "B"
           },
@@ -203,7 +203,7 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 4\\d{2} ` [5m]))",
+            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 4\\d{2} ` [5m])) or vector(0)",
             "legendFormat": "4xx 用戶端錯誤",
             "refId": "C"
           },
@@ -212,7 +212,7 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 5\\d{2} ` [5m]))",
+            "expr": "sum(rate({service_name=\"proxy/traefik-access\"} |~ ` 5\\d{2} ` [5m])) or vector(0)",
             "legendFormat": "5xx 伺服器錯誤",
             "refId": "D"
           }
@@ -282,7 +282,7 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "(sum(rate({service_name=\"proxy/traefik-access\"} |~ ` [45]\\d{2} ` [5m])) / sum(rate({service_name=\"proxy/traefik-access\"} [5m]))) * 100",
+            "expr": "(sum(rate({service_name=\"proxy/traefik-access\"} |~ ` [45]\\d{2} ` [5m])) / clamp_min(sum(rate({service_name=\"proxy/traefik-access\"} [5m])), 1e-9)) * 100",
             "refId": "A"
           }
         ],
@@ -414,11 +414,11 @@
               "type": "loki",
               "uid": "ef1qnibjxb5z4a"
             },
-            "expr": "{service_name=\"proxy/traefik-access\"} |~ ` [45]\\d{2} `",
+            "expr": "{service_name=\"proxy/traefik-access\"}",
             "refId": "A"
           }
         ],
-        "title": "🔝 錯誤請求 (4xx/5xx)",
+        "title": "🔝 最近請求 (Traefik Access)",
         "type": "logs"
       },
       {

HomeLab/unbound-resolver-overview.json

@@ -1001,7 +1001,7 @@
           {
             "direction": "backward",
             "editorMode": "code",
-            "expr": "topk(10, sum by (domain) (count_over_time({job=\"unbound\"} [5m])))",
+            "expr": "topk(10, sum by (domain) (count_over_time({job=\"unbound\"} | pattern \"<_> <_> reply: <_> <domain> <_> <_> <_> <_> <_> <_>\" [5m])))",
             "queryType": "instant",
             "refId": "A"
           }