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Allow setting the physical extent size for volume groups #332

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Allow setting the physical extent size for volume groups #332

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79b0dd6
Allow setting the physical extent size for volume groups
tuxmea Mar 7, 2024
54b6434
No whitespace between -s and the extent size
tuxmea Mar 7, 2024
668e2da
Fix rubocop
tuxmea Mar 11, 2024
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2 changes: 1 addition & 1 deletion lib/puppet/provider/volume_group/lvm.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ def self.get_logical_volume_properties(volume_groups_line)
end

def create
vgcreate(@resource[:name], *@resource.should(:physical_volumes))
vgcreate(@resource[:name], *@resource.should(:physical_volumes), '-s', @resource[:extents_size])
end

def destroy
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8 changes: 8 additions & 0 deletions lib/puppet/type/volume_group.rb
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Expand Up @@ -64,4 +64,12 @@ def insync?(is)
aliasvalue(:no, :false)
defaultto :false
end

newparam(:extents_size) do
desc 'The physical extents size. Defaults to 4(M).'
validate do |value|
raise ArgumentError, "#{value} is not a valid extents size" unless %r{^[0-9]+(\.[0-9]+)?}i.match?(value)
end
defaultto 4
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is that the actual default in vgcreate? I couldn't find it in the manpage.

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https://linux.die.net/man/8/vgcreate

The default is 4 MiB and it must be at least 1 KiB and a power of 2.

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Could we just omit the -s flag entirely if the parameter isn't specified to truly maintain backwards compatibility?

btw I'm also interested in these updates

end
end
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