chef/cookbooks/ntp/libraries/ntp_helper.rb
2017-06-09 21:23:42 +02:00

50 lines
1.4 KiB
Ruby

#
# Author:: Julian C. Dunn (<jdunn@chef.io>)
# Cookbook:: ntp
# Library:: helper
#
# Copyright:: 2014-2017, Chef Software, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require 'chef/mixin/shell_out'
module Opscode
module Ntp
# Helper methods for ntp
module Helper
include Chef::Mixin::ShellOut
def ntpd_supports_native_leapfiles
ntpd_version = determine_ntpd_version
if ntpd_version
ntpd_version =~ /ntpd.*(\d+\.\d+\.\d+)/
# Abuse of Gem::Requirement, but it works
Gem::Requirement.new('>= 4.2.6').satisfied_by?(Gem::Version.new(Regexp.last_match(1)))
else
false
end
end
private
def determine_ntpd_version
cmd = shell_out!('ntpd --version 2>&1')
cmd.stdout.strip
rescue Errno::ENOENT, Mixlib::ShellOut::ShellCommandFailed
nil
end
end
end
end