[baseos] Avoid disconnecting mgmt when re-cfg interfaces (#553)

taoyl-ms · lguohan · commit e74196cd75ed · 2017-06-06T17:12:26.000-07:00
* [baseos] Avoid disconnecting mgmt when recfg interfaces

* Kill dhclient after interfaces-config
diff --git a/files/image_config/interfaces/interfaces-config.sh b/files/image_config/interfaces/interfaces-config.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+ifdown -a -X eth0
 sonic-cfggen -m /etc/sonic/minigraph.xml -t /usr/share/sonic/templates/interfaces.j2 >/etc/network/interfaces
-service networking restart
-ifdown lo && ifup lo
+ifup -a -X eth0
+
+NEW_MGMT_IP=`sonic-cfggen -m /etc/sonic/minigraph.xml  -v 'minigraph_mgmt_interface["addr"]'`
+NEW_MGMT_MASK=`sonic-cfggen -m /etc/sonic/minigraph.xml  -v 'minigraph_mgmt_interface["mask"]'`
+
+ifconfig eth0 $NEW_MGMT_IP netmask $NEW_MGMT_MASK
+[ -f /var/run/dhclient.eth0.pid ] && kill `cat /var/run/dhclient.eth0.pid` && rm -f /var/run/dhclient.eth0.pid
+
