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#
# Author:: Richard Manyanza (<liseki@nyikacraftsmen.com>)
# Copyright:: Copyright (c) 2014 Richard Manyanza.
# 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.
#
class Chef
class ProviderResolver
attr_reader :node
attr_reader :providers
def initialize(node)
@node = node
@providers = []
@loaded = false
end
def load(reload = false)
return if loaded? && !reload
@providers = [] if reload
Chef::Provider.each do |provider|
@providers << provider if provider.supports_platform?(@node[:platform])
end
@loaded = true
end
def loaded?
!!@loaded
end
def resolve(resource)
self.load if !loaded?
providers = @providers.find_all do |provider|
provider.enabled?(node) && provider.implements?(resource)
end
resource.evaluate_providers(providers)
end
end
end
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