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Fleet — Node Overview

Per-host CPU busy percentage and /opt disk headroom for a label-selected fleet, from node_exporter. Filter with the dashboard_instance variable. Part of the oyatrino-o11y-labs reference stack.

Fleet — Node Overview

A minimal, fleet-wide host dashboard built to be driven by a single template variable, so one dashboard serves every machine.

Panels

  • CPU busy %: 100 * (1 - avg by (instance)(rate(node_cpu_seconds_total{mode="idle"}[5m])))
  • /opt free %: node_filesystem_avail_bytes / node_filesystem_size_bytes on the /opt mount (adjust mountpoint to your data disk).

Requirements

  • Prometheus scraping node_exporter on each host.
  • A dashboard_instance label on the targets (or edit the variable query to use instance).

Variables

  • datasource: Prometheus data source.
  • dashboard_instance: selects one or more fleet members (label_values(node_uname_info, dashboard_instance)).
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Linux Server

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