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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 OpsCode, Inc.
# 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/resource/package'
class Chef
class Provider
class Package
class Rubygems < Chef::Provider::Package
def gem_list_parse(line)
installed_versions = Array.new
if line.match("^#{@new_resource.package_name} \\((.+?)\\)$")
installed_versions = $1.split(/, /)
installed_versions
else
nil
end
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)
# First, we need to look up whether we have the local gem installed or not
status = popen4("gem list --local #{@new_resource.package_name}") do |pid, stdin, stdout, stderr|
stdin.close
stdout.each do |line|
installed_versions = gem_list_parse(line)
next unless installed_versions
# If the version we are asking for is installed, make that our current
# version. Otherwise, go ahead and use the highest one, which
# happens to come first in the array.
if installed_versions.detect { |v| v == @new_resource.version }
Chef::Log.debug("#{@new_resource.package_name} at version #{@new_resource.version}")
@current_resource.version(@new_resource.version)
else
iv = installed_versions.first
Chef::Log.debug("#{@new_resource.package_name} at version #{iv}")
@current_resource.version(iv)
end
end
end
unless status.exitstatus == 0
raise Chef::Exception::Package, "gem list --local failed - #{status.inspect}!"
end
status = popen4("gem list --remote #{@new_resource.package_name}#{' --source=' + @new_resource.source if @new_resource.source}") do |pid, stdin, stdout, stderr|
stdin.close
stdout.each do |line|
installed_versions = gem_list_parse(line)
next unless installed_versions
Chef::Log.debug("I have #{installed_versions.inspect}")
if installed_versions.length >= 1
Chef::Log.debug("Setting candidate version")
@candidate_version = installed_versions.first
end
end
end
unless status.exitstatus == 0
raise Chef::Exception::Package, "gem list --remote failed - #{status.inspect}!"
end
@current_resource
end
def install_package(name, version)
run_command(
:command => "gem install #{name} -q --no-rdoc --no-ri -v #{version}#{' --source=' + @new_resource.source if @new_resource.source}"
)
end
def upgrade_package(name, version)
install_package(name, version)
end
def remove_package(name, version)
if version
run_command(
:command => "gem uninstall #{name} -q -v #{version}"
)
else
run_command(
:command => "gem uninstall #{name} -q -a"
)
end
end
def purge_package(name, version)
remove_package(name, version)
end
end
end
end
end
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