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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright (c) 2009 Bryan McLellan
# 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/get_source_from_package'
class Chef
class Provider
class Package
class Dpkg < Chef::Provider::Package
# http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
DPKG_INFO = /([a-z\d\-\+\.]+)\t([\w\d.~:-]+)/
DPKG_INSTALLED = /^Status: install ok installed/
DPKG_VERSION = /^Version: (.+)$/
provides :dpkg_package, os: "linux"
include Chef::Mixin::GetSourceFromPackage
def define_resource_requirements
super
requirements.assert(:install) do |a|
a.assertion{ not @new_resource.source.nil? }
a.failure_message Chef::Exceptions::Package, "Source for package #{@new_resource.name} required for action install"
end
# TODO this was originally written for any action in which .source is provided
# but would it make more sense to only look at source if the action is :install?
requirements.assert(:all_actions) do |a|
a.assertion { @source_exists }
a.failure_message Chef::Exceptions::Package, "Package #{@new_resource.name} not found: #{@new_resource.source}"
a.whyrun "Assuming it would have been previously downloaded."
end
end
def load_current_resource
@source_exists = true
@current_resource = Chef::Resource::Package.new(@new_resource.name)
@current_resource.package_name(@new_resource.package_name)
@new_resource.version(nil)
if @new_resource.source
@source_exists = ::File.exists?(@new_resource.source)
if @source_exists
# Get information from the package if supplied
Chef::Log.debug("#{@new_resource} checking dpkg status")
shell_out("dpkg-deb -W #{@new_resource.source}").stdout.each_line do |line|
if pkginfo = DPKG_INFO.match(line)
@current_resource.package_name(pkginfo[1])
@new_resource.version(pkginfo[2])
@candidate_version = pkginfo[2]
end
end
else
# Source provided but not valid means we can't safely do further processing
return
end
end
# Check to see if it is installed
package_installed = nil
Chef::Log.debug("#{@new_resource} checking install state")
status = shell_out("dpkg -s #{@current_resource.package_name}")
status.stdout.each_line do |line|
case line
when DPKG_INSTALLED
package_installed = true
when DPKG_VERSION
if package_installed
Chef::Log.debug("#{@new_resource} current version is #{$1}")
@current_resource.version($1)
end
end
end
unless status.exitstatus == 0 || status.exitstatus == 1
raise Chef::Exceptions::Package, "dpkg failed - #{status.inspect}!"
end
@current_resource
end
def install_package(name, version)
Chef::Log.info("#{@new_resource} installing #{@new_resource.source}")
run_noninteractive(
"dpkg -i#{expand_options(@new_resource.options)} #{@new_resource.source}"
)
end
def remove_package(name, version)
Chef::Log.info("#{@new_resource} removing #{@new_resource.package_name}")
run_noninteractive(
"dpkg -r#{expand_options(@new_resource.options)} #{@new_resource.package_name}"
)
end
def purge_package(name, version)
Chef::Log.info("#{@new_resource} purging #{@new_resource.package_name}")
run_noninteractive(
"dpkg -P#{expand_options(@new_resource.options)} #{@new_resource.package_name}"
)
end
def upgrade_package(name, version)
install_package(name, version)
end
def preseed_package(preseed_file)
Chef::Log.info("#{@new_resource} pre-seeding package installation instructions")
run_noninteractive("debconf-set-selections #{preseed_file}")
end
def reconfig_package(name, version)
Chef::Log.info("#{@new_resource} reconfiguring")
run_noninteractive("dpkg-reconfigure #{name}")
end
# Runs command via shell_out with magic environment to disable
# interactive prompts. Command is run with default localization rather
# than forcing locale to "C", so command output may not be stable.
#
# FIXME: This should be "LC_ALL" => "en_US.UTF-8" in order to stabilize the output and get UTF-8
def run_noninteractive(command)
shell_out!(command, :env => { "DEBIAN_FRONTEND" => "noninteractive", "LC_ALL" => nil })
end
end
end
end
end
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