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#
# Author:: Kapil Chouhan (<kapil.chouhan@msystechnologies.com>)
# Copyright:: Copyright 2010-2019, 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_relative "../package"
class Chef
class Provider
class Package
module Deb
def self.included(base)
base.class_eval do
use_multipackage_api
action :reconfig do
if current_resource.version.nil?
logger.trace("#{new_resource} is NOT installed - nothing to do")
return
end
unless new_resource.response_file
logger.trace("#{new_resource} no response_file provided - nothing to do")
return
end
if preseed_file = get_preseed_file(new_resource.package_name, current_resource.version)
converge_by("reconfigure package #{new_resource.package_name}") do
preseed_package(preseed_file)
multipackage_api_adapter(new_resource.package_name, current_resource.version) do |name, _version|
reconfig_package(name)
end
logger.info("#{new_resource} reconfigured")
end
else
logger.trace("#{new_resource} preseeding has not changed - nothing to do")
end
end
# This method is used for getting preseed file
# it will return preseed file path or false if response_file is present
def prepare_for_installation
if new_resource.response_file && preseed_file = get_preseed_file(package_names_for_targets, versions_for_targets)
converge_by("preseed package #{package_names_for_targets}") do
preseed_package(preseed_file)
end
end
end
def get_preseed_file(name, version)
resource = preseed_resource(name, version)
resource.run_action(:create)
logger.trace("#{new_resource} fetched preseed file to #{resource.path}")
if resource.updated_by_last_action?
resource.path
else
false
end
end
def preseed_resource(name, version)
# A directory in our cache to store this cookbook's preseed files in
file_cache_dir = Chef::FileCache.create_cache_path("preseed/#{new_resource.cookbook_name}")
# The full path where the preseed file will be stored
cache_seed_to = "#{file_cache_dir}/#{name}-#{version}.seed"
logger.trace("#{new_resource} fetching preseed file to #{cache_seed_to}")
if template_available?(new_resource.response_file)
logger.trace("#{new_resource} fetching preseed file via Template")
remote_file = Chef::Resource::Template.new(cache_seed_to, run_context)
remote_file.variables(new_resource.response_file_variables)
elsif cookbook_file_available?(new_resource.response_file)
logger.trace("#{new_resource} fetching preseed file via cookbook_file")
remote_file = Chef::Resource::CookbookFile.new(cache_seed_to, run_context)
else
message = "No template or cookbook file found for response file #{new_resource.response_file}"
raise Chef::Exceptions::FileNotFound, message
end
remote_file.cookbook_name = new_resource.cookbook_name
remote_file.source(new_resource.response_file)
remote_file.backup(false)
remote_file
end
def preseed_package(preseed_file)
logger.info("#{new_resource} pre-seeding package installation instructions")
run_noninteractive("debconf-set-selections", preseed_file)
end
def reconfig_package(name)
logger.info("#{new_resource} reconfiguring")
run_noninteractive("dpkg-reconfigure", *name)
end
# Runs command via shell_out with magic environment to disable
# interactive prompts.
def run_noninteractive(*command)
shell_out!(*command, env: { "DEBIAN_FRONTEND" => "noninteractive" })
end
private
def template_available?(path)
run_context.has_template_in_cookbook?(new_resource.cookbook_name, path)
end
def cookbook_file_available?(path)
run_context.has_cookbook_file_in_cookbook?(new_resource.cookbook_name, path)
end
end
end
end
end
end
end
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