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author | Nicolas Dupeux <nicolas.dupeux@arkea.com> | 2014-10-06 16:06:28 +0200 |
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committer | Nicolas Dupeux <nicolas.dupeux@arkea.com> | 2014-10-06 16:06:28 +0200 |
commit | bd926141b079357c770b08dafb4dac4933ff3b3b (patch) | |
tree | 88134167cdee96f12967390ccad036ada945fb51 /lib/chef/knife/core/status_presenter.rb | |
parent | 2fa97c49f25e16c88373e2d084d8bacd46679bd9 (diff) | |
download | chef-bd926141b079357c770b08dafb4dac4933ff3b3b.tar.gz |
Add JSON output to knife status command
the status subcommand now honor the common option --format
Diffstat (limited to 'lib/chef/knife/core/status_presenter.rb')
-rw-r--r-- | lib/chef/knife/core/status_presenter.rb | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/lib/chef/knife/core/status_presenter.rb b/lib/chef/knife/core/status_presenter.rb new file mode 100644 index 0000000000..2cd093d240 --- /dev/null +++ b/lib/chef/knife/core/status_presenter.rb @@ -0,0 +1,159 @@ +# +# 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| + #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] + 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" + #else + # super + 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 |