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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'
require 'singleton'
class Chef
class Provider
class Package
class Yum < Chef::Provider::Package
class YumCache
include Chef::Mixin::Command
include Singleton
def initialize
load_data
end
def stale?
interval = Chef::Config[:interval].to_f
# run once mode
if interval == 0
return false
elsif (Time.now - @updated_at) > interval
return true
end
false
end
def refresh
if @data.empty?
reload
elsif stale?
reload
end
end
def load_data
@data = Hash.new
error = String.new
helper = ::File.join(::File.dirname(__FILE__), 'yum-dump.py')
status = popen4("python #{helper}", :waitlast => true) do |pid, stdin, stdout, stderr|
stdout.each do |line|
line.chomp!
name, type, epoch, version, release, arch = line.split(',')
type_sym = type.to_sym
if !@data.has_key?(name)
@data[name] = Hash.new
end
@data[name][type_sym] = { :epoch => epoch, :version => version,
:release => release, :arch => arch }
end
error = stderr.readlines
end
unless status.exitstatus == 0
raise Chef::Exceptions::Package, "yum failed - #{status.inspect} - returns: #{error}"
end
@updated_at = Time.now
end
alias :reload :load_data
def version(package_name, type)
if (x = @data[package_name])
if (y = x[type])
return "#{y[:version]}-#{y[:release]}"
end
end
nil
end
def installed_version(package_name)
version(package_name, :installed)
end
def candidate_version(package_name)
version(package_name, :available)
end
def flush
@data.clear
end
end
def initialize(node, new_resource)
@yum = YumCache.instance
super(node, new_resource)
end
def load_current_resource
@current_resource = Chef::Resource::Package.new(@new_resource.name)
@current_resource.package_name(@new_resource.package_name)
Chef::Log.debug("Checking yum info for #{@new_resource.package_name}")
@yum.refresh
installed_version = @yum.installed_version(@new_resource.package_name)
@candidate_version = @yum.candidate_version(@new_resource.package_name)
@current_resource.version(installed_version)
if candidate_version
@candidate_version = candidate_version
else
@candidate_version = installed_version
end
@current_resource
end
def install_package(name, version)
run_command(
:command => "yum -q -y install #{name}-#{version}"
)
@yum.flush
end
def upgrade_package(name, version)
# If we have a version, we can upgrade - otherwise, install
if @current_resource.version
run_command(
:command => "yum -q -y update #{name}-#{version}"
)
@yum.flush
else
install_package(name, version)
end
end
def remove_package(name, version)
if version
run_command(
:command => "yum -q -y remove #{name}-#{version}"
)
else
run_command(
:command => "yum -q -y remove #{name}"
)
end
@yum.flush
end
def purge_package(name, version)
remove_package(name, version)
end
end
end
end
end
|
