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#
# Author:: Steven Danna (steve@opscode.com)
# Author:: Joshua Timberman (<joshua@opscode.com>)
# Author:: Adam Jacob (<adam@opscode.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 'chef/node'
module ServerBackup
class BackupExport < Chef::Knife
deps do
require 'fileutils'
end
banner "knife backup export [-d DIR]"
option :backup_dir,
:short => "-d DIR",
:long => "--backup-directory DIR",
:description => "Store backup data in DIR. DIR will be created if it does not already exist.",
:default => Chef::Config[:knife][:chef_server_backup_dir] ? Chef::Config[:knife][:chef_server_backup_dir] : File.join(".chef", "chef_server_backup")
def run
nodes
roles
data_bags
environments
end
def nodes
backup_standard("nodes", Chef::Node)
end
def roles
backup_standard("roles", Chef::Role)
end
def environments
backup_standard("environments", Chef::Environment)
end
def data_bags
ui.msg "Backing up data bags"
dir = File.join(config[:backup_dir], "data_bags")
FileUtils.mkdir_p(dir)
Chef::DataBag.list.each do |bag_name, url|
FileUtils.mkdir_p(File.join(dir, bag_name))
Chef::DataBag.load(bag_name).each do |item_name, url|
ui.msg "Backing up data bag #{bag_name} item #{item_name}"
item = Chef::DataBagItem.load(bag_name, item_name)
File.open(File.join(dir, bag_name, "#{item_name}.json"), "w") do |dbag_file|
dbag_file.print(item.raw_data.to_json)
end
end
end
end
def backup_standard(component, klass)
ui.msg "Backing up #{component}"
dir = File.join(config[:backup_dir], component)
FileUtils.mkdir_p(dir)
klass.list.each do |component_name, url|
next if component == "environments" && component_name == "_default"
ui.msg "Backing up #{component} #{component_name}"
component_obj = klass.load(component_name)
File.open(File.join(dir, "#{component_name}.json"), "w") do |component_file|
component_file.print(component_obj.to_json)
end
end
end
end
end
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