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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Nuo Yan (<nuo@opscode.com>)
# Author:: Christopher Brown (<cb@opscode.com>)
# Copyright:: Copyright (c) 2009 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/config'
require 'chef/mixin/params_validate'
require 'chef/mixin/from_file'
require 'chef/couchdb'
require 'chef/data_bag_item'
require 'chef/index_queue'
require 'extlib'
require 'json'
class Chef
class DataBag
include Chef::Mixin::FromFile
include Chef::Mixin::ParamsValidate
include Chef::IndexQueue::Indexable
DESIGN_DOCUMENT = {
"version" => 2,
"language" => "javascript",
"views" => {
"all" => {
"map" => <<-EOJS
function(doc) {
if (doc.chef_type == "data_bag") {
emit(doc.name, doc);
}
}
EOJS
},
"all_id" => {
"map" => <<-EOJS
function(doc) {
if (doc.chef_type == "data_bag") {
emit(doc.name, doc.name);
}
}
EOJS
},
"entries" => {
"map" => <<-EOJS
function(doc) {
if (doc.chef_type == "data_bag_item") {
emit(doc.data_bag, doc.raw_data.id);
}
}
EOJS
}
}
}
attr_accessor :couchdb_rev, :couchdb_id, :couchdb
# Create a new Chef::DataBag
def initialize(couchdb=nil)
@name = ''
@couchdb_rev = nil
@couchdb_id = nil
@couchdb = (couchdb || Chef::CouchDB.new)
end
def name(arg=nil)
set_or_return(
:name,
arg,
:regex => /^[\-[:alnum:]_]+$/
)
end
def to_hash
result = {
"name" => @name,
'json_class' => self.class.name,
"chef_type" => "data_bag",
}
result["_rev"] = @couchdb_rev if @couchdb_rev
result
end
# Serialize this object as a hash
def to_json(*a)
to_hash.to_json(*a)
end
def chef_server_rest
Chef::REST.new(Chef::Config[:chef_server_url])
end
def self.chef_server_rest
Chef::REST.new(Chef::Config[:chef_server_url])
end
# Create a Chef::Role from JSON
def self.json_create(o)
bag = new
bag.name(o["name"])
bag.couchdb_rev = o["_rev"] if o.has_key?("_rev")
bag.couchdb_id = o["_id"] if o.has_key?("_id")
bag.index_id = bag.couchdb_id
bag
end
# List all the Chef::DataBag objects in the CouchDB. If inflate is set to true, you will get
# the full list of all Roles, fully inflated.
def self.cdb_list(inflate=false, couchdb=nil)
rs = (couchdb || Chef::CouchDB.new).list("data_bags", inflate)
lookup = (inflate ? "value" : "key")
rs["rows"].collect { |r| r[lookup] }
end
def self.list(inflate=false)
if inflate
# Can't search for all data bags like other objects, fall back to N+1 :(
list(false).inject({}) do |response, bag_and_uri|
response[bag_and_uri.first] = load(bag_and_uri.first)
response
end
else
Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("data")
end
end
# Load a Data Bag by name from CouchDB
def self.cdb_load(name, couchdb=nil)
(couchdb || Chef::CouchDB.new).load("data_bag", name)
end
# Load a Data Bag by name via the RESTful API
def self.load(name)
Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("data/#{name}")
end
# Remove this Data Bag from CouchDB
def cdb_destroy
removed = @couchdb.delete("data_bag", @name, @couchdb_rev)
rs = @couchdb.get_view("data_bags", "entries", :include_docs => true, :startkey => @name, :endkey => @name)
rs["rows"].each do |row|
row["doc"].couchdb = couchdb
row["doc"].cdb_destroy
end
removed
end
def destroy
chef_server_rest.delete_rest("data/#{@name}")
end
# Save this Data Bag to the CouchDB
def cdb_save
results = @couchdb.store("data_bag", @name, self)
@couchdb_rev = results["rev"]
end
# Save the Data Bag via RESTful API
def save
begin
chef_server_rest.put_rest("data/#{@name}", self)
rescue Net::HTTPServerException => e
raise e unless e.response.code == "404"
chef_server_rest.post_rest("data", self)
end
self
end
#create a data bag via RESTful API
def create
chef_server_rest.post_rest("data", self)
self
end
# List all the items in this Bag from CouchDB
# The self.load method does this through the REST API
def list(inflate=false)
rs = nil
if inflate
rs = @couchdb.get_view("data_bags", "entries", :include_docs => true, :startkey => @name, :endkey => @name)
rs["rows"].collect { |r| r["doc"] }
else
rs = @couchdb.get_view("data_bags", "entries", :startkey => @name, :endkey => @name)
rs["rows"].collect { |r| r["value"] }
end
end
# Set up our CouchDB design document
def self.create_design_document(couchdb=nil)
(couchdb || Chef::CouchDB.new).create_design_document("data_bags", DESIGN_DOCUMENT)
end
# As a string
def to_s
"data_bag[#{@name}]"
end
end
end
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