6b5c00089d
The regex check for the container MAC address presence in the dnsmasq leases file is case sensitive. Dnsmasq outputs uppercase addresses in the leases file. As MAC addresses are generally considered case insensitive, it makes sense to relax the regular expression check to allow for this.
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}\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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