docker.rb
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docker.rb
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	require 'facter'
	require 'json'

	def interfaces
	Facter.value(:interfaces).split(',')
	end

	Facter.add(:docker) do
	setcode do
	if Facter::Util::Resolution.which('docker')
	docker = Hash.new
	docker['network'] = Hash.new
	docker['network']['managed_interfaces'] = Hash.new
	network_list = Facter::Util::Resolution.exec('docker network ls \| tail -n +2')
	docker_network_names = Array.new
	network_list.each_line {\|line\| docker_network_names.push line.split[1] }
	docker_network_ids = Array.new
	network_list.each_line {\|line\| docker_network_ids.push line.split[0] }
	docker_network_names.each do \|network\|
	inspect = JSON.parse(Facter::Util::Resolution.exec("docker network inspect #{network}"))
	docker['network'][network] = inspect[0]
	network_id = docker['network'][network]['Id'][0..11]
	interfaces.each do \|iface\|
	docker['network']['managed_interfaces'][iface] = network if iface =~ /#{network_id}/
	end
	end
	docker
	end
	end
	end