50 lines
1.4 KiB
Ruby
50 lines
1.4 KiB
Ruby
module Vagrant
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module LXC
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module Action
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class FetchIpFromDnsmasqLeases
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def initialize(app, env)
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@app = app
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@logger = Log4r::Logger.new("vagrant::lxc::action::fetch_ip_from_dnsmasq_leases")
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end
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def call(env)
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env[:machine_ip] ||= assigned_ip(env)
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@app.call(env)
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end
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def assigned_ip(env)
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mac_address = env[:machine].provider.driver.mac_address
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ip = nil
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10.times do
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dnsmasq_leases = read_dnsmasq_leases
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@logger.debug "Attempting to load ip from dnsmasq leases (mac: #{mac_address})"
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@logger.debug dnsmasq_leases
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if dnsmasq_leases =~ /#{Regexp.escape mac_address.to_s}\s+([0-9.]+)\s+/i
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ip = $1.to_s
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break
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else
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@logger.debug 'Ip could not be parsed from dnsmasq leases file'
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sleep 2
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end
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end
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ip
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end
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LEASES_PATHS = %w(
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/var/lib/misc/dnsmasq.*.leases
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/var/lib/misc/dnsmasq.leases
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/var/lib/dnsmasq/dnsmasq.leases
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/var/db/dnsmasq.leases
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/var/lib/libvirt/dnsmasq/*.leases
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)
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def read_dnsmasq_leases
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Dir["{#{LEASES_PATHS.join(',')}}"].map do |file|
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File.read(file)
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end.join("\n")
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end
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end
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end
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end
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end
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