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| author | Peter Schroeter <peter.schroeter@rightscale.com> | 2014-11-18 10:04:49 -0800 |
|---|---|---|
| committer | Peter Schroeter <peter.schroeter@rightscale.com> | 2014-11-18 10:16:05 -0800 |
| commit | 349cb7f56e65e8f986d5c807c0f07cf15b149e88 (patch) | |
| tree | bd3b3e49523cccae943db85fba2022e1f7cd204c | |
| parent | b13c4c6a458f4326dd73de380432fbc5e9ce3a77 (diff) | |
| download | net-dhcp-ruby-349cb7f56e65e8f986d5c807c0f07cf15b149e88.tar.gz | |
Extract alternate MAC format from ifconfig
Alternate format appears in CentOS/RHEL7 as well as some BSD variants
such as OS X
| -rw-r--r-- | lib/net/dhcp/core.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/net/dhcp/core.rb b/lib/net/dhcp/core.rb index 95ee7d4..fc27a86 100644 --- a/lib/net/dhcp/core.rb +++ b/lib/net/dhcp/core.rb @@ -153,7 +153,11 @@ module DHCP mac = mac_line.strip.split(":")[1].gsub("-","").strip end else - mac = `/sbin/ifconfig | grep HWaddr | cut -c39- | head -1`.chomp.strip.gsub(/:/,'') + ifcfg_out = `/sbin/ifconfig`.chomp + matches1 = ifcfg_out.scan(/HWaddr ([a-h0-9:]+)/i).flatten # Linux + matches2 = ifcfg_out.scan(/ether ([a-h0-9:]+)/i).flatten # Some Linux (EL7), BSDs + mac = matches1.first || matches2.first + mac = mac.gsub(/:/,"") if mac end mac = '000000000000' if mac.empty? self.chaddr = [mac].pack('H*').unpack('CCCCCC') |