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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 OpsCode, Inc.
# 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 'chef' / 'mixin' / 'checksum'
require 'chef' / 'cookbook_loader'
class CookbookTemplates < Application
provides :html, :json
include Chef::Mixin::Checksum
def load_cookbook_templates()
@cl = Chef::CookbookLoader.new
@cookbook = @cl[params[:cookbook_id]]
raise NotFound unless @cookbook
@templates = Hash.new
@cookbook.template_files.each do |tf|
full = File.expand_path(tf)
name = File.basename(full)
tf =~ /^.+#{params[:cookbook_id]}[\\|\/]templates[\\|\/](.+?)[\\|\/]#{name}/
singlecopy = $1
@templates[full] = {
:name => name,
:singlecopy => singlecopy,
:file => full,
}
end
@templates
end
def index
if params[:id]
show
else
load_cookbook_templates()
display @templates
end
end
def show
load_cookbook_templates()
preferences = [
File.join("host-#{params[:fqdn]}", "#{params[:id]}"),
File.join("#{params[:platform]}-#{params[:version]}", "#{params[:id]}"),
File.join("#{params[:platform]}", "#{params[:id]}"),
File.join("default", "#{params[:id]}")
]
to_send = nil
@templates.each_key do |file|
Chef::Log.debug("Looking at #{file}")
preferences.each do |pref|
Chef::Log.debug("Compared to #{pref}")
if file =~ /#{pref}/
Chef::Log.debug("Matched #{pref} for #{file}!")
to_send = file
break
end
end
break if to_send
end
raise NotFound, "Cannot find a suitable template!" unless to_send
current_checksum = checksum(to_send)
Chef::Log.debug("old sum: #{params[:checksum]}, new sum: #{current_checksum}")
if current_checksum == params[:checksum]
display "Template #{to_send} has not changed", :status => 304
else
send_file(to_send)
end
end
end
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