/usr/lib/ruby/vendor_ruby/chef/expander/vnode_table.rb is in chef-expander 10.12.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | #
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Author:: Seth Falcon (<seth@opscode.com>)
# Author:: Chris Walters (<cw@opscode.com>)
# Copyright:: Copyright (c) 2010-2011 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 'yajl'
require 'chef/expander/node'
require 'chef/expander/loggable'
module Chef
module Expander
class VNodeTable
include Loggable
class InvalidVNodeTableUpdate < ArgumentError; end
attr_reader :vnodes_by_node
def initialize(vnode_supervisor)
@node_update_mutex = Mutex.new
@vnode_supervisor = vnode_supervisor
@vnodes_by_node = {}
end
def nodes
@vnodes_by_node.keys
end
def update_table(table_update)
case table_update[:update]
when "add", "update"
update_node(table_update)
when "remove"
remove_node(table_update)
else
raise InvalidVNodeTableUpdate, "no action or action not acceptable: #{table_update.inspect}"
end
log.debug { "current vnode table: #{@vnodes_by_node.inspect}" }
end
def update_node(node_info)
@node_update_mutex.synchronize do
@vnodes_by_node[Node.from_hash(node_info)] = node_info[:vnodes]
end
end
def remove_node(node_info)
@node_update_mutex.synchronize do
@vnodes_by_node.delete(Node.from_hash(node_info))
end
end
def leader_node
if @vnodes_by_node.empty?
nil
else
Array(@vnodes_by_node).reject { |node| node[1].empty? }.sort { |a,b| a[1].min <=> b[1].min }.first[0]
end
end
def local_node_is_leader?
(Node.local_node == leader_node) || (@vnodes_by_node[Node.local_node].include?(0))
end
end
end
end
|