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Chef::Knife::Core::NodePresenter

Chef::Knife::Core::NodePresenter

A customized presenter for Chef::Node objects. Supports variable-length
output formats for displaying node data

Public Instance Methods

format(data) click to toggle source
# File lib/chef/knife/core/node_presenter.rb, line 56
def format(data)
  if parse_format_option == :json
    summarize_json(data)
  else
    super
  end
end
key(key_text) click to toggle source
# File lib/chef/knife/core/node_presenter.rb, line 129
def key(key_text)
  ui.color(key_text, :cyan)
end
summarize(data) click to toggle source

Converts a Chef::Node object to a string suitable for output to a terminal. If config or config are set the volume of output is adjusted accordingly. Uses colors if enabled in the the ui object.

# File lib/chef/knife/core/node_presenter.rb, line 90
def summarize(data)
  if data.kind_of?(Chef::Node)
    node = data
    # special case ec2 with their split horizon whatsis.
    ip = (node[:ec2] && node[:ec2][:public_ipv4]) || node[:ipaddress]

    summarized=#{ui.color('Node Name:', :bold)}   #{ui.color(node.name, :bold)}#{key('Environment:')} #{node.chef_environment}#{key('FQDN:')}        #{node[:fqdn]}#{key('IP:')}          #{ip}#{key('Run List:')}    #{node.run_list}#{key('Roles:')}       #{Array(node[:roles]).join(', ')}#{key('Recipes:')}     #{Array(node[:recipes]).join(', ')}#{key('Platform:')}    #{node[:platform]} #{node[:platform_version]}#{key('Tags:')}        #{Array(node[:tags]).join(', ')}
    if config[:medium_output] || config[:long_output]
      summarized +=#{key('Attributes:')}#{text_format(node.normal_attrs)}
    end
    if config[:long_output]
      summarized +=#{key('Default Attributes:')}#{text_format(node.default_attrs)}#{key('Override Attributes:')}#{text_format(node.override_attrs)}#{key('Automatic Attributes (Ohai Data):')}#{text_format(node.automatic_attrs)}
    end
    summarized
  else
    super
  end
end
summarize_json(data) click to toggle source
# File lib/chef/knife/core/node_presenter.rb, line 64
def summarize_json(data)
  if data.kind_of?(Chef::Node)
    node = data
    result = {}

    result["name"] = node.name
    result["chef_environment"] = node.chef_environment
    result["run_list"] = node.run_list
    result["normal"] = node.normal_attrs

    if config[:long_output]
      result["default"]   = node.default_attrs
      result["override"]  = node.override_attrs
      result["automatic"] = node.automatic_attrs
    end

    Chef::JSONCompat.to_json_pretty(result)
  else
    Chef::JSONCompat.to_json_pretty(data)
  end
end

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