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#
# Author:: Adam Jacob (<adam@chef.io>)
# Copyright:: Copyright (c) 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"
require "chef-utils/dist" unless defined?(ChefUtils::Dist)
class Chef
class Knife
class ClientCreate < Knife
deps do
require "chef/api_client_v1" unless defined?(Chef::ApiClientV1)
end
option :file,
short: "-f FILE",
long: "--file FILE",
description: "Write the private key to a file if the #{ChefUtils::Dist::Server::PRODUCT} generated one."
option :validator,
long: "--validator",
description: "Create the client as a validator.",
boolean: true
option :public_key,
short: "-p FILE",
long: "--public-key",
description: "Set the initial default key for the client from a file on disk (cannot pass with --prevent-keygen)."
option :prevent_keygen,
short: "-k",
long: "--prevent-keygen",
description: "Prevent #{ChefUtils::Dist::Server::PRODUCT} from generating a default key pair for you. Cannot be passed with --public-key.",
boolean: true
banner "knife client create CLIENTNAME (options)"
def client
@client_field ||= Chef::ApiClientV1.new
end
def file
config[:file]
end
def create_client(client)
# should not be using save :( bad behavior
Chef::ApiClientV1.from_hash(client).save
end
def run
test_mandatory_field(@name_args[0], "client name")
client.name @name_args[0]
if config[:public_key] && config[:prevent_keygen]
show_usage
ui.fatal("You cannot pass --public-key and --prevent-keygen")
exit 1
end
if !config[:prevent_keygen] && !config[:public_key]
client.create_key(true)
end
if config[:validator]
client.validator(true)
end
if config[:public_key]
client.public_key File.read(File.expand_path(config[:public_key]))
end
file_is_writable!
output = edit_hash(client)
final_client = create_client(output)
ui.info("Created #{final_client}")
# output private_key if one
if final_client.private_key
if config[:file]
File.open(config[:file], "w") do |f|
f.print(final_client.private_key)
end
else
puts final_client.private_key
end
end
end
#
# This method is used to verify that the file and it's containing
# directory are writable. This ensures that you don't create the client
# and then lose the private key because you weren't able to write it to
# disk.
#
# @return [void]
#
def file_is_writable!
return unless file
dir = File.dirname(File.expand_path(file))
unless File.exist?(dir)
ui.fatal "Directory #{dir} does not exist. Please create and retry."
exit 1
end
unless File.directory?(dir)
ui.fatal "#{dir} exists, but is not a directory. Please update your file path (--file #{file}) or re-create #{dir} as a directory."
exit 1
end
unless File.writable?(dir)
ui.fatal "Directory #{dir} is not writable. Please check the permissions."
exit 1
end
if File.exist?(file) && !File.writable?(file)
ui.fatal "File #{file} is not writable. Please check the permissions."
exit 1
end
end
end
end
end
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