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Chef::Knife::TagDelete

Public Instance Methods

run() click to toggle source
# File lib/chef/knife/tag_delete.rb, line 33
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

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