vagrant/plugins/guests/linux/cap/network_interfaces.rb

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module VagrantPlugins
module GuestLinux
module Cap
class NetworkInterfaces
# Get network interfaces as a list. The result will be something like:
#
# eth0\nenp0s8\nenp0s9
#
# @return [Array<String>]
def self.network_interfaces(machine)
s = ""
machine.communicate.sudo("/sbin/ip -o -0 addr | grep -v LOOPBACK | awk '{print $2}' | sed 's/://'") do |type, data|
s << data if type == :stdout
end
s.split("\n")
end
end
end
end
end