fix IB device not being detected in openhpc slurm dashboard (#188)

Author: sjpb

ansible/roles/grafana-dashboards/files/openhpc-slurm.json

@@ -2017,15 +2017,15 @@
         "allValue": null,
         "current": {},
         "datasource": "${DS_PROMETHEUS}",
-        "definition": "label_values(node_cpu_seconds_total{job=~\"node\"}, device)",
+        "definition": "label_values(node_infiniband_info{job=~\"node\"}, device)",
         "error": null,
         "hide": 0,
         "includeAll": true,
         "label": "infiniband device",
         "multi": true,
         "name": "device",
         "options": [],
-        "query": "label_values(node_cpu_seconds_total{job=~\"node\"}, device)",
+        "query": "label_values(node_infiniband_info{job=~\"node\"}, device)",
         "refresh": 1,
         "regex": "",
         "skipUrlSync": false,