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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Author:: Nuo Yan (<nuo@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/config'
require 'chef/mixin/params_validate'
require 'chef/mixin/from_file'
require 'chef/couchdb'
require 'chef/mash'
require 'chef/json_compat'
require 'chef/search/query'
class Chef
class ApiClient
include Chef::Mixin::FromFile
include Chef::Mixin::ParamsValidate
DESIGN_DOCUMENT = {
"version" => 1,
"language" => "javascript",
"views" => {
"all" => {
"map" => <<-EOJS
function(doc) {
if (doc.chef_type == "client") {
emit(doc.name, doc);
}
}
EOJS
},
"all_id" => {
"map" => <<-EOJS
function(doc) {
if (doc.chef_type == "client") {
emit(doc.name, doc.name);
}
}
EOJS
}
}
}
attr_accessor :couchdb_rev, :couchdb_id, :couchdb
# Create a new Chef::ApiClient object.
def initialize(couchdb=nil)
@name = ''
@public_key = nil
@private_key = nil
@couchdb_rev = nil
@couchdb_id = nil
@admin = false
@couchdb = (couchdb || Chef::CouchDB.new)
end
# Gets or sets the client name.
#
# @params [Optional String] The name must be alpha-numeric plus - and _.
# @return [String] The current value of the name.
def name(arg=nil)
set_or_return(
:name,
arg,
:regex => /^[\-[:alnum:]_\.]+$/
)
end
# Gets or sets whether this client is an admin.
#
# @params [Optional True/False] Should be true or false - default is false.
# @return [True/False] The current value
def admin(arg=nil)
set_or_return(
:admin,
arg,
:kind_of => [ TrueClass, FalseClass ]
)
end
# Gets or sets the public key.
#
# @params [Optional String] The string representation of the public key.
# @return [String] The current value.
def public_key(arg=nil)
set_or_return(
:public_key,
arg,
:kind_of => String
)
end
# Gets or sets the private key.
#
# @params [Optional String] The string representation of the private key.
# @return [String] The current value.
def private_key(arg=nil)
set_or_return(
:private_key,
arg,
:kind_of => String
)
end
# The hash representation of the object. Includes the name and public_key,
# but never the private key.
#
# @return [Hash]
def to_hash
result = {
"name" => @name,
"public_key" => @public_key,
"admin" => @admin,
'json_class' => self.class.name,
"chef_type" => "client"
}
result["_rev"] = @couchdb_rev if @couchdb_rev
result
end
# The JSON representation of the object.
#
# @return [String] the JSON string.
def to_json(*a)
to_hash.to_json(*a)
end
def self.json_create(o)
client = Chef::ApiClient.new
client.name(o["name"] || o["clientname"])
client.public_key(o["public_key"])
client.admin(o["admin"])
client.couchdb_rev = o["_rev"]
client.couchdb_id = o["_id"]
client
end
# List all the Chef::ApiClient objects in the CouchDB. If inflate is set
# to true, you will get the full list of all ApiClients, fully inflated.
def self.cdb_list(inflate=false, couchdb=nil)
rs = (couchdb || Chef::CouchDB.new).list("clients", inflate)
lookup = (inflate ? "value" : "key")
rs["rows"].collect { |r| r[lookup] }
end
def self.list(inflate=false)
if inflate
response = Hash.new
Chef::Search::Query.new.search(:client) do |n|
n = self.json_create(n) if n.instance_of?(Hash)
response[n.name] = n
end
response
else
Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("clients")
end
end
# Load a client by name from CouchDB
#
# @params [String] The name of the client to load
# @return [Chef::ApiClient] The resulting Chef::ApiClient object
def self.cdb_load(name, couchdb=nil)
(couchdb || Chef::CouchDB.new).load("client", name)
end
# Load a client by name via the API
def self.load(name)
response = Chef::REST.new(Chef::Config[:chef_server_url]).get_rest("clients/#{name}")
if response.kind_of?(Chef::ApiClient)
response
else
client = Chef::ApiClient.new
client.name(response['clientname'])
client
end
end
# Remove this client from the CouchDB
#
# @params [String] The name of the client to delete
# @return [Chef::ApiClient] The last version of the object
def cdb_destroy
@couchdb.delete("client", @name, @couchdb_rev)
end
# Remove this client via the REST API
def destroy
Chef::REST.new(Chef::Config[:chef_server_url]).delete_rest("clients/#{@name}")
end
# Save this client to the CouchDB
def cdb_save
@couchdb_rev = @couchdb.store("client", @name, self)["rev"]
end
# Save this client via the REST API, returns a hash including the private key
def save(new_key=false, validation=false)
if validation
r = Chef::REST.new(Chef::Config[:chef_server_url], Chef::Config[:validation_client_name], Chef::Config[:validation_key])
else
r = Chef::REST.new(Chef::Config[:chef_server_url])
end
# First, try and create a new registration
begin
r.post_rest("clients", {:name => self.name, :admin => self.admin })
rescue Net::HTTPServerException => e
# If that fails, go ahead and try and update it
if e.response.code == "409"
r.put_rest("clients/#{name}", { :name => self.name, :admin => self.admin, :private_key => new_key })
else
raise e
end
end
end
# Create the client via the REST API
def create
Chef::REST.new(Chef::Config[:chef_server_url]).post_rest("clients", self)
end
# Set up our CouchDB design document
def self.create_design_document(couchdb=nil)
(couchdb ||= Chef::CouchDB.new).create_design_document("clients", DESIGN_DOCUMENT)
end
# As a string
def to_s
"client[#{@name}]"
end
end
end
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