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#
# Author:: Nicolas DUPEUX (<nicolas.dupeux@arkea.com>)
# Copyright:: Copyright (c) 2011 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/core/text_formatter'
require 'chef/knife/core/generic_presenter'
class Chef
class Knife
module Core
# This module may be included into a knife subcommand class to automatically
# add configuration options used by the StatusPresenter
module StatusFormattingOptions
# :nodoc:
# Would prefer to do this in a rational way, but can't be done b/c of
# Mixlib::CLI's design :(
def self.included(includer)
includer.class_eval do
option :medium_output,
:short => '-m',
:long => '--medium',
:boolean => true,
:default => false,
:description => 'Include normal attributes in the output'
option :long_output,
:short => '-l',
:long => '--long',
:boolean => true,
:default => false,
:description => 'Include all attributes in the output'
end
end
end
#==Chef::Knife::Core::StatusPresenter
# A customized presenter for Chef::Node objects. Supports variable-length
# output formats for displaying node data
class StatusPresenter < GenericPresenter
def format(data)
if parse_format_option == :json
summarize_json(data)
else
super
end
end
def summarize_json(list)
result_list = []
list.each do |node|
result = {}
result["name"] = node.name
result["chef_environment"] = node.chef_environment
ip = (node[:ec2] && node[:ec2][:public_ipv4]) || node[:ipaddress]
fqdn = (node[:ec2] && node[:ec2][:public_hostname]) || node[:fqdn]
result["ip"] = ip if ip
result["fqdn"] = fqdn if fqdn
result["run_list"] = node.run_list if config[:run_list]
result["ohai_time"] = node[:ohai_time]
result["platform"] = node[:platform] if node[:platform]
result["platform_version"] = node[:platform_version] if node[:platform_version]
if config[:long_output]
result["default"] = node.default_attrs
result["override"] = node.override_attrs
result["automatic"] = node.automatic_attrs
end
result_list << result
end
Chef::JSONCompat.to_json_pretty(result_list)
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(list)
summarized=''
list.each do |data|
node = data
# special case ec2 with their split horizon whatsis.
ip = (node[:ec2] && node[:ec2][:public_ipv4]) || node[:ipaddress]
fqdn = (node[:ec2] && node[:ec2][:public_hostname]) || node[:fqdn]
hours, minutes, seconds = time_difference_in_hms(node["ohai_time"])
hours_text = "#{hours} hour#{hours == 1 ? ' ' : 's'}"
minutes_text = "#{minutes} minute#{minutes == 1 ? ' ' : 's'}"
run_list = "#{node.run_list}" if config[:run_list]
if hours > 24
color = :red
text = hours_text
elsif hours >= 1
color = :yellow
text = hours_text
else
color = :green
text = minutes_text
end
line_parts = Array.new
line_parts << @ui.color(text, color) + ' ago' << node.name
line_parts << fqdn if fqdn
line_parts << ip if ip
line_parts << run_list if run_list
if node['platform']
platform = node['platform']
if node['platform_version']
platform << " #{node['platform_version']}"
end
line_parts << platform
end
summarized=summarized + line_parts.join(', ') + ".\n"
end
summarized
end
def key(key_text)
ui.color(key_text, :cyan)
end
# :nodoc:
# TODO: this is duplicated from StatusHelper in the Webui. dedup.
def time_difference_in_hms(unix_time)
now = Time.now.to_i
difference = now - unix_time.to_i
hours = (difference / 3600).to_i
difference = difference % 3600
minutes = (difference / 60).to_i
seconds = (difference % 60)
return [hours, minutes, seconds]
end
end
end
end
end
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