Clément Désiles
c127336321
Deploy an hourly systemd timer that writes pool and dataset capacity to node_exporter's textfile collector, since --collector.zfs exposes only ARC/I-O/state. Add a provisioned 'ZFS - Pools & Datasets' dashboard with per-pool totals, per-dataset used/quota and daily growth panels.
19 lines
806 B
YAML
19 lines
806 B
YAML
---
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# ZFS capacity metrics (Prometheus)
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# ---------------------------------
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# Exposes pool size/used/free and per-dataset used/quota to Prometheus via
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# node_exporter's textfile collector. node_exporter's built-in --collector.zfs
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# only exposes ARC, I/O and pool state — not capacity.
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zfs_metrics_enabled: true
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# Directory node_exporter's textfile collector reads `*.prom` files from.
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# Must match node_exporter_textfile_dir in roles/node_exporter/defaults/main.yml.
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zfs_metrics_dir: /var/lib/node_exporter/textfile_collector
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# Where the collector script is installed.
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zfs_metrics_script_path: /usr/local/bin/zfs-metrics.sh
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# systemd OnCalendar expression for the collection timer. Hourly is plenty to
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# track daily growth; Prometheus keeps 90d of history on andromeda.
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zfs_metrics_interval: "hourly"
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