https://github.com/ncabatoff/zfs-exporter

Prometheus metrics exporter for ZFS
https://github.com/ncabatoff/zfs-exporter

prometheus-exporter zfs

Last synced: about 2 months ago
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Prometheus metrics exporter for ZFS

• Host: GitHub
• URL: https://github.com/ncabatoff/zfs-exporter
• Owner: ncabatoff
• License: mit
• Created: 2016-07-16T20:40:21.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2017-07-01T23:29:31.000Z (over 7 years ago)
• Last Synced: 2024-10-15T13:29:59.850Z (about 2 months ago)
• Topics: prometheus-exporter, zfs
• Language: Go
• Size: 212 KB
• Stars: 52
• Watchers: 7
• Forks: 8
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# zfs-exporter

Prometheus metrics exporter for ZFS.  

It's much the same data you get from zpool status and zpool iostat, but in the form of Prometheus

metrics.  Run

```

curl -s http://localhost:9254/metrics

```

to see them.

Sample dashboard is available at [grafana.net](https://grafana.net/dashboards/328).

## Caveats

Currently doesn't handle pool changes gracefully, you'll have to kill and

restart it if you create/import or destroy/export any pools.

libzfs is not a stable or official interface, so this could break with any new ZFS release.

Requires root privileges on Linux.  For the security conscious, run it with -web.listen-address=localhost:9254.  

If you're not running prometheus on the same host, either use my

[exporter-proxy](https://github.com/ncabatoff/exporter-proxy) or write a little cronjob that does

```

curl -s http://localhost:9254/metrics > mydir/zfs.tmp && mv mydir/zfs.tmp mydir/zfs.prom

```

Configure node_exporter with `-collector.textfile.directory=mydir` and it will

publish the stats to allow remote scraping.

## See also

https://github.com/eliothedeman/zfs_exporter

Same idea, but implemented by parsing the output of zpool using github.com/mistifyio/go-zfs.

https://github.com/eripa/prometheus-zfs

Ditto but without the dependency on go-zfs.

https://github.com/prometheus/node_exporter/pull/213

PR for node_exporter to add support for ZFS metrics.  Currently also relies on shelling out, 

which is apparently not allowed in node_exporter, so not clear where it's going. 

## Testing

To build and run zfs-exporter in a virtual environment, you need to install

VirtualBox, Vagrant, and Ansible 2.2+.  Then

```

platform=jessie # or fedora25

sudo ansible-galaxy install gantsign.golang

cd zfs-vagrant-ansible/

vagrant up $platform

cd ..

ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook -i zfs-vagrant-ansible/.vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory playbook-zfs-exporter.yml -l $platform

```