Issue #20617 has been reported by Trey Dockendorf.
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Bug #20617: zpool_version fails using zfsonlinux
https://projects.puppetlabs.com/issues/20617
* Author: Trey Dockendorf
* Status: Unreviewed
* Priority: Normal
* Assignee:
* Category:
* Target version:
* Keywords:
* Branch:
* Affected Facter version: 1.7.0
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The zpool_version fact fails when using zfsonlinux v0.6.1
Failure
<pre>
Could not retrieve zpool_version: undefined method `captures' for nil:NilClass
</pre>
Output from zpool upgrade -v
<pre>
# zpool upgrade -v
This system supports ZFS pool feature flags.
The following features are supported:
FEAT DESCRIPTION
-------------------------------------------------------------
async_destroy (read-only compatible)
Destroy filesystems asynchronously.
empty_bpobj (read-only compatible)
Snapshots use less space.
lz4_compress
LZ4 compression algorithm support.
The following legacy versions are also supported:
VER DESCRIPTION
--- --------------------------------------------------------
1 Initial ZFS version
2 Ditto blocks (replicated metadata)
3 Hot spares and double parity RAID-Z
4 zpool history
5 Compression using the gzip algorithm
6 bootfs pool property
7 Separate intent log devices
8 Delegated administration
9 refquota and refreservation properties
10 Cache devices
11 Improved scrub performance
12 Snapshot properties
13 snapused property
14 passthrough-x aclinherit
15 user/group space accounting
16 stmf property support
17 Triple-parity RAID-Z
18 Snapshot user holds
19 Log device removal
20 Compression using zle (zero-length encoding)
21 Deduplication
22 Received properties
23 Slim ZIL
24 System attributes
25 Improved scrub stats
26 Improved snapshot deletion performance
27 Improved snapshot creation performance
28 Multiple vdev replacements
For more information on a particular version, including supported releases,
see the ZFS Administration Guide.
</pre>
Some initial testing shows the same method used to get 'zfs_version' works with
zfsonlinux
<pre>
Facter.add('zpool_version') do
confine :kernel => "Linux"
setcode do
if Facter::Util::Resolution.which('zpool')
zpool_v = Facter::Util::Resolution.exec('zpool upgrade -v')
zpool_version = zpool_v.scan(/^\s+(\d+)\s+/m).flatten.last unless
zpool_v.nil?
end
end
end
</pre>
This was done using puppet-3.1.1, facter-1.7.0 on SL6.4
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