discourse/chef/cookbooks/windows/libraries/helper.rb

87 lines
3.0 KiB
Ruby

#
# Author:: Seth Chisamore (<schisamo@opscode.com>)
# Cookbook Name:: windows
# Library:: helper
#
# Copyright:: 2011, Opscode, 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.
#
module Windows
module Helper
AUTO_RUN_KEY = 'HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
ENV_KEY = 'HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment'
# returns windows friendly version of the provided path,
# ensures backslashes are used everywhere
def win_friendly_path(path)
path.gsub(::File::SEPARATOR, ::File::ALT_SEPARATOR) if path
end
# account for Window's wacky File System Redirector
# http://msdn.microsoft.com/en-us/library/aa384187(v=vs.85).aspx
# especially important for 32-bit processes (like Ruby) on a
# 64-bit instance of Windows.
def locate_sysnative_cmd(cmd)
if ::File.exists?("#{ENV['WINDIR']}\\sysnative\\#{cmd}")
"#{ENV['WINDIR']}\\sysnative\\#{cmd}"
elsif ::File.exists?("#{ENV['WINDIR']}\\system32\\#{cmd}")
"#{ENV['WINDIR']}\\system32\\#{cmd}"
else
cmd
end
end
# Create a feature provider dependent value object.
# mainly created becasue Windows Feature names are
# different based on whether dism.exe or servicemanagercmd.exe
# is used for installation
def value_for_feature_provider(provider_hash)
p = Chef::Platform.find_provider_for_node(node, :windows_feature)
key = p.to_s.downcase.split('::').last
provider_hash[key] || provider_hash[key.to_sym]
end
# singleton instance of the Windows Version checker
def win_version
@win_version ||= Windows::Version.new
end
# if a file is local it returns a windows friendly path version
# if a file is remote it caches it locally
def cached_file(source, checksum=nil, windows_path=true)
@installer_file_path ||= begin
if(source =~ /^(https?:\/\/)(.*\/)(.*)$/)
cache_file_path = "#{Chef::Config[:file_cache_path]}/#{::File.basename(source)}"
Chef::Log.debug("Caching a copy of file #{source} at #{cache_file_path}")
r = Chef::Resource::RemoteFile.new(cache_file_path, run_context)
r.source(source)
r.backup(false)
r.checksum(checksum) if checksum
r.run_action(:create)
else
cache_file_path = source
end
windows_path ? win_friendly_path(cache_file_path) : cache_file_path
end
end
end
end
Chef::Recipe.send(:include, Windows::Helper)