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#
# Author:: Ryan Davis (<ryand-ruby@zenspider.com>)
# Author:: Daniel DeLeo (<dan@chef.io>)
# Author:: Nuo Yan (<nuo@chef.io>)
# Copyright:: Copyright 2011-2016, Ryan Davis and 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/knife"
class Chef
class Knife
class TagDelete < Knife
deps do
require "chef/node"
end
banner "knife tag delete NODE TAG ..."
def run
name = @name_args[0]
tags = @name_args[1..-1]
if name.nil? || tags.nil? || tags.empty?
show_usage
ui.fatal("You must specify a node name and at least one tag.")
exit 1
end
node = Chef::Node.load name
deleted_tags = Array.new
tags.each do |tag|
unless node.tags.delete(tag).nil?
deleted_tags << tag
end
end
node.save
message = if deleted_tags.empty?
"Nothing has changed. The tags requested to be deleted do not exist."
else
"Deleted tags #{deleted_tags.join(", ")} for node #{name}."
end
ui.info(message)
end
end
end
end
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