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|
module LeapCli; module Commands
desc 'List nodes and their classifications'
long_desc 'Prints out a listing of nodes, services, or tags. ' +
'If present, the FILTER can be a list of names of nodes, services, or tags. ' +
'If the name is prefixed with +, this acts like an AND condition. ' +
"For example:\n\n" +
"`leap list node1 node2` matches all nodes named \"node1\" OR \"node2\"\n\n" +
"`leap list openvpn +local` matches all nodes with service \"openvpn\" AND tag \"local\""
arg_name 'FILTER', :optional => true
command [:list,:ls] do |c|
c.flag 'print', :desc => 'What attributes to print (optional)'
c.switch 'disabled', :desc => 'Include disabled nodes in the list.', :negatable => false
c.action do |global_options,options,args|
do_list(global_options, options, args)
end
end
private
def do_list(global, options, args)
require 'leap_cli/util/console_table'
# don't rely on default manager(), because we want to pass custom options to load()
manager = LeapCli::Config::Manager.new
if global[:color]
colors = [:cyan, nil]
else
colors = [nil, nil]
end
puts
manager.load(:include_disabled => options['disabled'], :continue_on_error => true)
if options['print']
print_node_properties(manager.filter(args), options['print'])
else
if args.any?
NodeTable.new(manager.filter(args), colors).run
else
environment = LeapCli.leapfile.environment || '_all_'
TagTable.new('SERVICES', manager.env(environment).services, colors).run
TagTable.new('TAGS', manager.env(environment).tags, colors).run
NodeTable.new(manager.filter(), colors).run
end
end
end
def print_node_properties(nodes, properties)
properties = properties.split(',')
max_width = nodes.keys.inject(0) {|max,i| [i.size,max].max}
nodes.each_node do |node|
value = properties.collect{|prop|
prop_value = node[prop]
if prop_value.nil?
"null"
elsif prop_value == ""
"empty"
elsif prop_value.is_a? LeapCli::Config::Object
node[prop].dump_json(:format => :compact) # TODO: add option of getting pre-evaluation values.
else
prop_value.to_s
end
}.join(', ')
printf("%#{max_width}s %s\n", node.name, value)
end
puts
end
class TagTable < LeapCli::Util::ConsoleTable
def initialize(heading, tag_list, colors)
@heading = heading
@tag_list = tag_list
@colors = colors
end
def run
tags = @tag_list.keys.select{|tag| tag !~ /^_/}.sort # sorted list of tags, excluding _partials
table do
row(color: @colors[0]) do
column @heading, align: 'right', min_width: 20
column "NODES"
end
tags.each do |tag|
next if @tag_list[tag].node_list.empty?
row(color: @colors[1]) do
column tag
column @tag_list[tag].node_list.keys.sort.join(', ')
end
end
end
draw_table
end
end
class NodeTable < LeapCli::Util::ConsoleTable
def initialize(node_list, colors)
@node_list = node_list
@colors = colors
end
def run
rows = @node_list.keys.sort.collect do |node_name|
[node_name, @node_list[node_name].services.sort.join(', '), @node_list[node_name].tags.sort.join(', ')]
end
unless rows.any?
puts " = " + LeapCli.logger.colorize("no results", :red)
puts
return
end
table do
row(color: @colors[0]) do
column "NODES", align: 'right', min_width: 20
column "SERVICES"
column "TAGS"
end
rows.each do |r|
row(color: @colors[1]) do
column r[0]
column r[1]
column r[2]
end
end
end
draw_table
end
end
end; end
|
