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config.rb
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config.rb
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# Copyright 2017 Google Inc.
# 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 'api/object'
require 'compile/core'
require 'overrides/runner'
module Provider
# Settings for the provider
class Config < Api::Object
include Compile::Core
extend Compile::Core
# Overrides for datasources
attr_reader :datasources
attr_reader :files
# Some tool-specific names may be in use, and they won't all match;
# For Terraform, some products use the API client name w/o spaces and
# others use spaces. Eg: "app_engine" vs "appengine".
attr_reader :legacy_name
attr_reader :overrides
# List of files to copy or compile into target module
class Files < Api::Object
attr_reader :compile
attr_reader :copy
def validate
super
check :compile, type: Hash
check :copy, type: Hash
end
end
def self.parse(cfg_file, api = nil, version_name = 'ga')
raise 'Version passed to the compiler cannot be nil' if version_name.nil?
# Compile step #1: compile with generic class to instantiate target class
source = compile(cfg_file)
config = Google::YamlValidator.parse(source)
# Compile step 2: compile with target class (this is in case the config
# requires info from the config to compile)
source = config.compile(cfg_file)
config = Google::YamlValidator.parse(source)
raise "Config #{cfg_file}(#{config.class}) is not a Provider::Config" \
unless config.class <= Provider::Config
config.validate
api = Overrides::Runner.build(api, config.overrides,
config.resource_override,
config.property_override)
config.spread_api config, api, [], '' unless api.nil?
config.validate
api.validate
[api, config]
end
def provider
raise "#{self.class}#provider not implemented"
end
def self.next_version(version)
[Gem::Version.new(version).bump, 0].join('.')
end
def validate
super
check :files, type: Provider::Config::Files
check :overrides, type: Overrides::ResourceOverrides,
default: Overrides::ResourceOverrides.new
end
# Provides the API object to any type that requires, e.g. for validation
# purposes, such as Api::Resource::HashArray which enforces that the keys
# are necessarily objects defined in the API.
def spread_api(object, api, visited, indent)
object.instance_variables.each do |var|
var_value = object.instance_variable_get(var)
next if visited.include?(var_value)
visited << var_value
var_value.consume_api api if var_value.respond_to?(:consume_api)
var_value.consume_config api, self \
if var_value.respond_to?(:consume_config)
spread_api(var_value, api, visited, indent)
end
end
def resource_override
Overrides::ResourceOverride
end
def property_override
Overrides::PropertyOverride
end
end
end