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Diffstat (limited to 'lib/chef/provider/package/apt.rb')
| -rw-r--r-- | lib/chef/provider/package/apt.rb | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/lib/chef/provider/package/apt.rb b/lib/chef/provider/package/apt.rb new file mode 100644 index 0000000000..e8939b494e --- /dev/null +++ b/lib/chef/provider/package/apt.rb @@ -0,0 +1,147 @@ +# +# 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 'chef/mixin/shell_out' + + +class Chef + class Provider + class Package + class Apt < Chef::Provider::Package + + include Chef::Mixin::ShellOut + attr_accessor :is_virtual_package + + def load_current_resource + @current_resource = Chef::Resource::Package.new(@new_resource.name) + @current_resource.package_name(@new_resource.package_name) + check_package_state(@new_resource.package_name) + @current_resource + end + + def default_release_options + # Use apt::Default-Release option only if provider was explicitly defined + "-o APT::Default-Release=#{@new_resource.default_release}" if @new_resource.provider && @new_resource.default_release + end + + def check_package_state(package) + Chef::Log.debug("#{@new_resource} checking package status for #{package}") + installed = false + + shell_out!("apt-cache#{expand_options(default_release_options)} policy #{package}").stdout.each_line do |line| + case line + when /^\s{2}Installed: (.+)$/ + installed_version = $1 + if installed_version == '(none)' + Chef::Log.debug("#{@new_resource} current version is nil") + @current_resource.version(nil) + else + Chef::Log.debug("#{@new_resource} current version is #{installed_version}") + @current_resource.version(installed_version) + installed = true + end + when /^\s{2}Candidate: (.+)$/ + candidate_version = $1 + if candidate_version == '(none)' + # This may not be an appropriate assumption, but it shouldn't break anything that already worked -- btm + @is_virtual_package = true + showpkg = shell_out!("apt-cache showpkg #{package}").stdout + providers = Hash.new + showpkg.rpartition(/Reverse Provides:? #{$/}/)[2].each_line do |line| + provider, version = line.split + providers[provider] = version + end + # Check if the package providing this virtual package is installed + num_providers = providers.length + raise Chef::Exceptions::Package, "#{@new_resource.package_name} has no candidate in the apt-cache" if num_providers == 0 + # apt will only install a virtual package if there is a single providing package + raise Chef::Exceptions::Package, "#{@new_resource.package_name} is a virtual package provided by #{num_providers} packages, you must explicitly select one to install" if num_providers > 1 + # Check if the package providing this virtual package is installed + Chef::Log.info("#{@new_resource} is a virtual package, actually acting on package[#{providers.keys.first}]") + installed = check_package_state(providers.keys.first) + else + Chef::Log.debug("#{@new_resource} candidate version is #{$1}") + @candidate_version = $1 + end + end + end + + return installed + end + + def install_package(name, version) + package_name = "#{name}=#{version}" + package_name = name if @is_virtual_package + run_command_with_systems_locale( + :command => "apt-get -q -y#{expand_options(default_release_options)}#{expand_options(@new_resource.options)} install #{package_name}", + :environment => { + "DEBIAN_FRONTEND" => "noninteractive" + } + ) + end + + def upgrade_package(name, version) + install_package(name, version) + end + + def remove_package(name, version) + package_name = "#{name}" + run_command_with_systems_locale( + :command => "apt-get -q -y#{expand_options(@new_resource.options)} remove #{package_name}", + :environment => { + "DEBIAN_FRONTEND" => "noninteractive" + } + ) + end + + def purge_package(name, version) + run_command_with_systems_locale( + :command => "apt-get -q -y#{expand_options(@new_resource.options)} purge #{@new_resource.package_name}", + :environment => { + "DEBIAN_FRONTEND" => "noninteractive" + } + ) + end + + def preseed_package(preseed_file) + Chef::Log.info("#{@new_resource} pre-seeding package installation instructions") + run_command_with_systems_locale( + :command => "debconf-set-selections #{preseed_file}", + :environment => { + "DEBIAN_FRONTEND" => "noninteractive" + } + ) + end + + def reconfig_package(name, version) + Chef::Log.info("#{@new_resource} reconfiguring") + run_command_with_systems_locale( + :command => "dpkg-reconfigure #{name}", + :environment => { + "DEBIAN_FRONTEND" => "noninteractive" + } + ) + end + + end + end + end +end |