Class: KnifeNodeAttribute::NodeAttributeShow

Inherits:
Chef::Knife
  • Object
show all
Includes:
Helpers
Defined in:
lib/chef/knife/knife-node-attribute.rb

Instance Method Summary collapse

Methods included from Helpers

#get_all_attributes, #get_default_attributes, #get_node, #get_normal_attributes, #get_override_attributes

Instance Method Details

#parse_args ⇒ Object 



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# File 'lib/chef/knife/knife-node-attribute.rb', line 52

def parse_args
  unless node_name = name_args[0]
    show_usage
    ui.error "You need to specify a node"
    exit 1
  end
  if name_args[1].nil?
    attribute_class = :all
  else
    attribute_class = name_args[1].downcase.to_sym
    # if we passed a valid attribute class, the next one could be an
    # attribute name. If it's invalid, it might be the attribute name
    if ATTRIBUTE_CLASSES.include? attribute_class
      attribute_name = name_args[2] || ""
    else
      attribute_name = attribute_class
      attribute_class = :all
    end
  end

  {:nodename => node_name,
   :class => attribute_class,
   :name => attribute_name.split(":")}
end

#run ⇒ Object 



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# File 'lib/chef/knife/knife-node-attribute.rb', line 78

def run
  args = parse_args
  method = "get_#{args[:class]}_attributes".to_sym

  node = get_node(args[:nodename])
  attribute_hash = self.send(method, node)
  # this eval business is awful, I should probably come up with something
  # smarter
  getter =  args[:name].empty? ? "" : "['#{args[:name].join("']['")}']"
  if args[:name].nil?
    pp attribute_hash
  else
    begin
      pp eval "attribute_hash#{getter}"
    rescue NoMethodError
      ui.error "Key not found"
    end
  end
end