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#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# 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 File.join(File.dirname(__FILE__), "file")
require 'uri'
require 'erubis'
require 'tempfile'
class Chef
class Provider
class Template < Chef::Provider::File
def action_create
r = Chef::REST.new(Chef::Config[:template_url])
template_url = generate_url(@new_resource.source, "templates")
raw_template_file = r.get_rest(template_url, true)
template_file = render_template(raw_template_file.path)
update = false
if ::File.exists?(@new_resource.path)
@new_resource.checksum(self.checksum(template_file.path))
if @new_resource.checksum != @current_resource.checksum
Chef::Log.debug("#{@new_resource} changed from #{@current_resource.checksum} to #{@new_resource.checksum}")
Chef::Log.info("Updating #{@new_resource} at #{@new_resource.path}")
update = true
end
else
Chef::Log.info("Creating #{@new_resource} at #{@new_resource.path}")
update = true
end
if update
backup
FileUtils.cp(template_file.path, @new_resource.path)
@new_resource.updated = true
else
Chef::Log.debug("#{@new_resource} is unchanged")
end
set_owner if @new_resource.owner != nil
set_group if @new_resource.group != nil
set_mode if @new_resource.mode != nil
end
def render_template(file)
eruby = Erubis::Eruby.new(::File.read(file))
context = @new_resource.variables
context[:node] = @node
output = eruby.evaluate(context)
final_tempfile = Tempfile.new("chef-rendered-template")
final_tempfile.print(output)
final_tempfile.close
final_tempfile
end
end
end
end
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