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#
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright (c) Chef Software 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_relative "text_formatter"
require_relative "generic_presenter"
class Chef
class Knife
module Core
# A customized presenter for Chef::Node objects. Supports variable-length
# output formats for displaying node data
class NodePresenter < GenericPresenter
def format(data)
if parse_format_option == :json
summarize_json(data)
else
super
end
end
def summarize_json(data)
if data.is_a?(Chef::Node)
node = data
result = {}
result["name"] = node.name
if node.policy_name.nil? && node.policy_group.nil?
result["chef_environment"] = node.chef_environment
else
result["policy_name"] = node.policy_name
result["policy_group"] = node.policy_group
end
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
# Converts a Chef::Node object to a string suitable for output to a
# terminal. If config[:medium_output] or config[:long_output] are set
# the volume of output is adjusted accordingly. Uses colors if enabled
# in the ui object.
def summarize(data)
if data.is_a?(Chef::Node)
node = data
# special case clouds with their split horizon thing.
ip = (node[:cloud] && node[:cloud][:public_ipv4_addrs] && node[:cloud][:public_ipv4_addrs].first) || node[:ipaddress]
summarized = <<~SUMMARY
#{ui.color("Node Name:", :bold)} #{ui.color(node.name, :bold)}
SUMMARY
show_policy = !(node.policy_name.nil? && node.policy_group.nil?)
if show_policy
summarized << <<~POLICY
#{key("Policy Name:")} #{node.policy_name}
#{key("Policy Group:")} #{node.policy_group}
POLICY
else
summarized << <<~ENV
#{key("Environment:")} #{node.chef_environment}
ENV
end
summarized << <<~SUMMARY
#{key("FQDN:")} #{node[:fqdn]}
#{key("IP:")} #{ip}
#{key("Run List:")} #{node.run_list}
SUMMARY
unless show_policy
summarized << <<~ROLES
#{key("Roles:")} #{Array(node[:roles]).join(", ")}
ROLES
end
summarized << <<~SUMMARY
#{key("Recipes:")} #{Array(node[:recipes]).join(", ")}
#{key("Platform:")} #{node[:platform]} #{node[:platform_version]}
#{key("Tags:")} #{node.tags.join(", ")}
SUMMARY
if config[:medium_output] || config[:long_output]
summarized += <<~MORE
#{key("Attributes:")}
#{text_format(node.normal_attrs)}
MORE
end
if config[:long_output]
summarized += <<~MOST
#{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)}
MOST
end
summarized
else
super
end
end
def key(key_text)
ui.color(key_text, :cyan)
end
end
end
end
end
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