--- Revision None +++ Revision 376461323765 @@ -0,0 +1,126 @@ +# +# Author:: Joe Williams () +# Copyright:: Copyright (c) 2009 Joe Williams +# License:: Apache License, Version 2.0 +# +# 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/provider/package' +require 'chef/mixin/command' +require 'chef/mixin/shell_out' +require 'chef/resource/package' +require 'chef/mixin/shell_out' + +class Chef + class Provider + class Package + class EasyInstall < Chef::Provider::Package + + include Chef::Mixin::ShellOut + + def install_check(name) + check = false + + begin + # first check to see if we can import it + output = shell_out!("python -c \"import #{name}\"", :returns=>[0,1]).stderr + if output.include? "ImportError" + # then check to see if its on the path + output = shell_out!("python -c \"import sys; print sys.path\"", :returns=>[0,1]).stdout + if output.downcase.include? "#{name.downcase}" + check = true + end + else + check = true + end + rescue + # it's probably not installed + end + + check + end + + def easy_install_binary_path + path = @new_resource.easy_install_binary + path ? path : 'easy_install' + end + + def load_current_resource + @current_resource = Chef::Resource::Package.new(@new_resource.name) + @current_resource.package_name(@new_resource.package_name) + @current_resource.version(nil) + + # get the currently installed version if installed + package_version = nil + if install_check(@new_resource.package_name) + begin + output = shell_out!("python -c \"import #{@new_resource.package_name}; print #{@new_resource.package_name}.__version__\"").stdout + package_version = output.strip + rescue + output = shell_out!("python -c \"import sys; print sys.path\"", :returns=>[0,1]).stdout + + output_array = output.gsub(/[\[\]]/,'').split(/\s*,\s*/) + package_path = "" + + output_array.each do |entry| + if entry.downcase.include?(@new_resource.package_name) + package_path = entry + end + end + + package_path[/\S\S(.*)\/(.*)-(.*)-py(.*).egg\S/] + package_version = $3 + end + end + + if package_version == @new_resource.version + Chef::Log.debug("#{@new_resource.package_name} at version #{@new_resource.version}") + @current_resource.version(@new_resource.version) + else + Chef::Log.debug("#{@new_resource.package_name} at version #{package_version}") + @current_resource.version(package_version) + end + + @current_resource + end + + def candidate_version + return @candidate_version if @candidate_version + + # do a dry run to get the latest version + result = shell_out!("#{easy_install_binary_path} -n #{@new_resource.package_name}", :returns=>[0,1]) + @candidate_version = result.stdout[/(.*)Best match: (.*) (.*)$/, 3] + @candidate_version + end + + def install_package(name, version) + run_command(:command => "#{easy_install_binary_path} \"#{name}==#{version}\"") + end + + def upgrade_package(name, version) + install_package(name, version) + end + + def remove_package(name, version) + run_command(:command => "#{easy_install_binary_path} -m #{name}") + end + + def purge_package(name, version) + remove_package(name, version) + end + + end + end + end +end