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#
# Author:: Christopher Webber (<cwebber@chef.io>)
# Copyright:: Copyright (c) 2014-2018 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 "../knife"
class Chef
class Knife
class SupermarketDownload < Knife
banner "knife supermarket download COOKBOOK [VERSION] (options)"
category "supermarket"
deps do
require "fileutils"
end
option :file,
short: "-f FILE",
long: "--file FILE",
description: "The filename to write to."
option :force,
long: "--force",
description: "Force download deprecated version."
option :supermarket_site,
short: "-m SUPERMARKET_SITE",
long: "--supermarket-site SUPERMARKET_SITE",
description: "The URL of the Supermarket site.",
default: "https://supermarket.chef.io",
proc: Proc.new { |supermarket| Chef::Config[:knife][:supermarket_site] = supermarket }
def run
if current_cookbook_deprecated?
message = "DEPRECATION: This cookbook has been deprecated. "
replacement = replacement_cookbook
if !replacement.to_s.strip.empty?
message << "It has been replaced by #{replacement}."
else
message << "No replacement has been defined."
end
ui.warn message
unless config[:force]
ui.warn "Use --force to force download deprecated cookbook."
return
end
end
download_cookbook
end
def version
@version = desired_cookbook_data["version"]
end
private
def cookbooks_api_url
"#{config[:supermarket_site]}/api/v1/cookbooks"
end
def current_cookbook_data
@current_cookbook_data ||= begin
noauth_rest.get "#{cookbooks_api_url}/#{@name_args[0]}"
end
end
def current_cookbook_deprecated?
current_cookbook_data["deprecated"] == true
end
def desired_cookbook_data
@desired_cookbook_data ||= begin
uri = if @name_args.length == 1
current_cookbook_data["latest_version"]
else
specific_cookbook_version_url
end
noauth_rest.get uri
end
end
def download_cookbook
ui.info "Downloading #{@name_args[0]} from Supermarket at version #{version} to #{download_location}"
tf = noauth_rest.streaming_request(desired_cookbook_data["file"])
::FileUtils.cp tf.path, download_location
ui.info "Cookbook saved: #{download_location}"
end
def download_location
config[:file] ||= File.join Dir.pwd, "#{@name_args[0]}-#{version}.tar.gz"
config[:file]
end
def replacement_cookbook
File.basename(current_cookbook_data["replacement"] || "")
end
def specific_cookbook_version_url
"#{cookbooks_api_url}/#{@name_args[0]}/versions/#{@name_args[1].tr('.', '_')}"
end
end
end
end
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