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Diffstat (limited to 'lib/chef/knife/tag_delete.rb')
-rw-r--r-- | lib/chef/knife/tag_delete.rb | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/lib/chef/knife/tag_delete.rb b/lib/chef/knife/tag_delete.rb new file mode 100644 index 0000000000..10751db216 --- /dev/null +++ b/lib/chef/knife/tag_delete.rb @@ -0,0 +1,60 @@ +# +# Author:: Ryan Davis (<ryand-ruby@zenspider.com>) +# Author:: Daniel DeLeo (<dan@opscode.com>) +# Author:: Nuo Yan (<nuo@opscode.com>) +# Copyright:: Copyright (c) 2011 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 |