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#
# Author:: Tim Smith (<tsmith@chef.io>)
# Copyright:: Copyright (c) 2016 Chef Software, 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/resource"
require "chef/dsl/declare_resource"
require "chef/mixin/which"
require "chef/provider/noop"
require "chef/log"
class Chef
class Provider
class AptPreference < Chef::Provider
use_inline_resources
extend Chef::Mixin::Which
provides :apt_preference do
which("apt-get")
end
def whyrun_supported?
true
end
def load_current_resource
end
action :add do
preference = build_pref(
new_resource.glob || new_resource.package_name,
new_resource.pin,
new_resource.pin_priority
)
declare_resource(:directory, "/etc/apt/preferences.d") do
owner "root"
group "root"
mode "0755"
recursive true
action :create
end
name = safe_name(new_resource.name)
declare_resource(:file, "/etc/apt/preferences.d/#{new_resource.name}.pref") do
action :delete
if ::File.exist?("/etc/apt/preferences.d/#{new_resource.name}.pref")
Chef::Log.warn "Replacing #{new_resource.name}.pref with #{name}.pref in /etc/apt/preferences.d/"
end
only_if { name != new_resource.name }
end
declare_resource(:file, "/etc/apt/preferences.d/#{new_resource.name}") do
action :delete
if ::File.exist?("/etc/apt/preferences.d/#{new_resource.name}")
Chef::Log.warn "Replacing #{new_resource.name} with #{new_resource.name}.pref in /etc/apt/preferences.d/"
end
end
declare_resource(:file, "/etc/apt/preferences.d/#{name}.pref") do
owner "root"
group "root"
mode "0644"
content preference
action :create
end
end
action :delete do
name = safe_name(new_resource.name)
if ::File.exist?("/etc/apt/preferences.d/#{name}.pref")
Chef::Log.info "Un-pinning #{name} from /etc/apt/preferences.d/"
declare_resource(:file, "/etc/apt/preferences.d/#{name}.pref") do
action :delete
end
end
end
end
# Build preferences.d file contents
def build_pref(package_name, pin, pin_priority)
"Package: #{package_name}\nPin: #{pin}\nPin-Priority: #{pin_priority}\n"
end
def safe_name(name)
name.tr(".", "_").gsub("*", "wildcard")
end
end
end
Chef::Provider::Noop.provides :apt_preference
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