44 lines
1.4 KiB
Ruby
44 lines
1.4 KiB
Ruby
# encoding: UTF-8
|
|
# #
|
|
# # Cookbook Name:: openssh
|
|
# # libraries::master_election
|
|
# #
|
|
# # Author: sam.su@huawei.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.
|
|
# #
|
|
#
|
|
def node_election(role, tag, chef_environment = nil)
|
|
chef_environment = chef_environment || node.chef_environment
|
|
master = search(:node, "run_list:role\\[#{role}\\] AND \
|
|
chef_environment:#{chef_environment} AND \
|
|
tags:#{tag}") || []
|
|
if master.empty?
|
|
nodes = search(:node, "run_list:role\\[#{role}\\] AND \
|
|
chef_environment:#{chef_environment}") || []
|
|
nodes = nodes.sort_by { |node| node.name } unless nodes.empty?
|
|
if nodes.empty? or node.name.eql?(nodes.first.name)
|
|
node.tags << tag unless node.tags.include?(tag)
|
|
node.save
|
|
end
|
|
if nodes.empty?
|
|
return node
|
|
end
|
|
|
|
return nodes.first
|
|
else
|
|
return master.first
|
|
end
|
|
end
|
|
|