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require 'facter'
def version_parts ( version )
# gives back a hash containing major, minor and patch numbers
# of a give version string
parts = Hash.new
first, *rest = version.split(".")
parts["major"] = first
parts["minor"] = rest[0]
parts["patch"] = rest[1]
return parts
end
def couchdb_pwhash_alg
# couchdb uses sha1 as pw hash algorithm until v. 1.2,
# but pbkdf2 from v.1.3 on.
# see http://docs.couchdb.org/en/1.4.x/configuring.html for
# details
couchdb_version = Facter.value(:couchdb_version)
version = version_parts (couchdb_version)
major = version["major"].to_i
alg = case major
when 0 then alg = 'n/a'
when 1 then
minor = version['minor'].to_i
if minor < 3
alg = 'sha1'
else
alg = 'pbkdf2'
end
else
alg = 'pbkdf2'
end
return alg
end
Facter.add(:couchdb_pwhash_alg) do
setcode do
couchdb_pwhash_alg
end
end
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