From: Jokin Garay <jokin.garay@keynetic.es>
Date: Wed, 9 Nov 2016 12:05:53 +0000 (+0100)
Subject: Bug 99: get_dhcp_lease.sh with support for LXD DHCP / fix in openvimd.cfg comment
X-Git-Tag: v1.0.2~12^2
X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fopenvim.git;a=commitdiff_plain;h=efc2bfb88058b5e5e40bfa874399b793e3778763

Bug 99: get_dhcp_lease.sh with support for LXD DHCP / fix in openvimd.cfg comment

Change-Id: I48b9dd73c288a065e8df324526bde868bcabf231
Signed-off-by: Jokin Garay <jokin.garay@keynetic.es>
---

diff --git a/openvimd.cfg b/openvimd.cfg
index ccc888f..016ea89 100644
--- a/openvimd.cfg
+++ b/openvimd.cfg
@@ -102,8 +102,9 @@ development_bridge: virbrMan10
 #In case some of the previous 'bridge_ifaces' are connected to an EXTERNAL dhcp server, provide 
 #   the server parameters to allow openvim getting the allocated IP addresses of virtual machines
 #   connected to the indicated 'bridge_ifaces' and or 'nets'. Openvim will connect to the dhcp server by ssh.
-#DHCP server must contain a shell script "./get_dhcp_lease.sh" that accept a mac address as parameter 
-#   and return empty or the allocated IP address. See an example at the end of the file ./openvim/dhcp_thread.py 
+#DHCP server must contain a shell script "get_dhcp_lease.sh" included in the path, that accepts a mac address as 
+#   parameter and return empty or the allocated IP address. See an example at the end of the file 
+#   ./openvim/dhcp_thread.py 
 #COMMENT all lines in case you do not have a DHCP server in 'normal', 'development'  or 'host only' modes.
 #   For 'test' or 'OF only' modes you can leave then uncommented, because in these modes fake IP 
 #   address are generated instead of connecting with a real DHCP server.
diff --git a/scripts/get_dhcp_lease.sh b/scripts/get_dhcp_lease.sh
index 247a675..3262154 100755
--- a/scripts/get_dhcp_lease.sh
+++ b/scripts/get_dhcp_lease.sh
@@ -19,12 +19,21 @@
 # For those usages not covered by the Apache License, Version 2.0 please
 # contact with: nfvlabs@tid.es
 ##
-awk '
-($1=="lease" && $3=="{"){ lease=$2; active="no"; found="no" }
-($1=="binding" && $2=="state" && $3=="active;"){ active="yes" }
-($1=="hardware" && $2=="ethernet" && $3==tolower("'$1';")){ found="yes" }
-($1=="client-hostname"){ name=$2 }
-($1=="}"){ if (active=="yes" && found=="yes"){ target_lease=lease; target_name=name}}
-END{printf("%s", target_lease)} #print target_name
-' /var/lib/dhcp/dhcpd.leases
 
+if [ -e /var/lib/dhcp/dhcpd.leases ]
+then 
+	awk '
+	($1=="lease" && $3=="{"){ lease=$2; active="no"; found="no" }
+	($1=="binding" && $2=="state" && $3=="active;"){ active="yes" }
+	($1=="hardware" && $2=="ethernet" && $3==tolower("'$1';")){ found="yes" }
+	($1=="client-hostname"){ name=$2 }
+	($1=="}"){ if (active=="yes" && found=="yes"){ target_lease=lease; target_name=name}}
+	END{printf("%s", target_lease)} #print target_name
+	' /var/lib/dhcp/dhcpd.leases
+elif [ -e /var/lib/lxd-bridge/dnsmasq.lxdbr0.leases ]
+then
+	awk '
+	($2=="'$1'"){ lease=$3; name=$4}
+	END{printf("%s", lease)} 
+	' /var/lib/lxd-bridge/dnsmasq.lxdbr0.leases
+fi