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Contents
# -*- encoding: utf-8 -*-
#
# Author:: Fletcher Nichol (<fnichol@nichol.ca>)
#
# Copyright (C) 2013, Fletcher Nichol
#
# 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 "thor/util"
module Kitchen
# A provisioner is responsible for generating the commands necessary to
# install set up and use a configuration management tool such as Chef and
# Puppet.
#
# @author Fletcher Nichol <fnichol@nichol.ca>
module Provisioner
# Default provisioner to use
DEFAULT_PLUGIN = "chef_solo".freeze
# Returns an instance of a provisioner given a plugin type string.
#
# @param plugin [String] a provisioner plugin type, to be constantized
# @param config [Hash] a configuration hash to initialize the provisioner
# @return [Provisioner::Base] a provisioner instance
# @raise [ClientError] if a provisioner instance could not be created
def self.for_plugin(plugin, config)
first_load = require("kitchen/provisioner/#{plugin}")
str_const = Thor::Util.camel_case(plugin)
klass = const_get(str_const)
object = klass.new(config)
object.verify_dependencies if first_load
object
rescue LoadError, NameError
raise ClientError,
"Could not load the '#{plugin}' provisioner from the load path." \
" Please ensure that your provisioner is installed as a gem or" \
" included in your Gemfile if using Bundler."
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems