lib/spiceweasel/environments.rb
# encoding: UTF-8
#
# Author:: Matt Ray (<matt@getchef.com>)
#
# Copyright:: 2011-2014, Chef Software, Inc <legal@getchef.com>
#
# 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 "ffi_yajl"
require "spiceweasel/command_helper"
module Spiceweasel
# manages parsing of Environments
class Environments
include CommandHelper
attr_reader :environment_list, :create, :delete
def initialize(environments = [], cookbooks = {}) # rubocop:disable CyclomaticComplexity
@create = []
@delete = []
@environment_list = []
return unless environments
Spiceweasel::Log.debug("environments: #{environments}")
envfiles = do_flattened_environments(cookbooks, environments)
create_command("knife environment#{Spiceweasel::Config[:knife_options]} from file #{envfiles.uniq.sort.join(' ')}")
end
def do_flattened_environments(cookbooks, environments)
flatenvs = environments.map(&:keys).flatten
envfiles = []
flatenvs.each do |env|
Spiceweasel::Log.debug("environment: #{env}")
if File.directory?("environments")
# expand wildcards and push into environments
if env =~ /\*/ # wildcard support
wildenvs = Dir.glob("environments/#{env}")
# remove anything not ending in .json or .rb
wildenvs.delete_if { |x| !x.end_with?(".rb", ".json") }
Spiceweasel::Log.debug("found environments '#{wildenvs}' for wildcard: #{env}")
flatenvs.concat(wildenvs.map { |x| x[x.rindex("/") + 1..x.rindex(".") - 1] })
next
end
validate(env, cookbooks) unless Spiceweasel::Config[:novalidation]
elsif !Spiceweasel::Config[:novalidation]
STDERR.puts "'environments' directory not found, unable to validate or load environments"
exit(-1)
end
if File.exist?("environments/#{env}.json")
envfiles.push("#{env}.json")
else # assume no .json means they want .rb and catchall for misssing dir
envfiles.push("#{env}.rb")
end
delete_command("knife environment#{Spiceweasel::Config[:knife_options]} delete #{env} -y")
@environment_list.push(env)
end
envfiles
end
# validate the content of the environment file
def validate(environment, cookbooks) # rubocop:disable CyclomaticComplexity
env = nil
file = %W{environments/#{environment}.rb environments/#{environment}.json}.find { |f| File.exist?(f) }
environment = environment.split("/").last if environment =~ /\// # pull out directories
if file
case file
when /\.json$/
env = Chef::JSONCompat.from_json(IO.read(file))
when /\.rb$/
env = do_ruby_environment_file(file)
end
if env.name != environment
STDERR.puts "ERROR: Environment '#{environment}' listed in the manifest does not match the name '#{env.name}' within the #{file} file."
exit(-1)
end
env.cookbook_versions.keys.each do |dep|
do_cookbook_version(cookbooks, dep, environment)
end
else # environment is not here
STDERR.puts "ERROR: Invalid Environment '#{environment}' listed in the manifest but not found in the environments directory."
exit(-1)
end
end
def do_cookbook_version(cookbooks, dep, environment)
Spiceweasel::Log.debug("environment: '#{environment}' cookbook: '#{dep}'")
return if cookbooks.member?(dep)
STDERR.puts "ERROR: Cookbook dependency '#{dep}' from environment '#{environment}' is missing from the list of cookbooks in the manifest."
exit(-1)
end
def do_ruby_environment_file(file)
if Chef::VERSION.split(".")[0].to_i < 11
env = Chef::Environment.new(false)
else
env = Chef::Environment.new
end
begin
env.from_file(file)
rescue SyntaxError => e
STDERR.puts "ERROR: Environment '#{file}' has syntax errors."
STDERR.puts e.message
exit(-1)
end
env
end
def member?(environment)
environment_list.include?(environment)
end
end
end