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# frozen_string_literal: true
# Fact: redis_server_version
#
# Purpose: Retrieve redis-server version if installed
#
Facter.add(:redis_server_version) do
setcode do
if Facter::Util::Resolution.which('redis-server')
redis_server_version_output = Facter::Util::Resolution.exec('redis-server -v')
# Possible output:
# Redis server v=2.8.17 sha=00000000:0 malloc=jemalloc-3.6.0 bits=64 build=4c1d5710660b9479
# Redis server version 2.4.10 (00000000:0)
match = redis_server_version_output.match(%r{Redis server (?:version|v=)(?<version>[\w.]+).+})
match ? match[:version] : nil
end
end
end
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