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fix and refactor bridge handling code 

This patch fixes dumping over a bridge interface,
we should pass ifname= for all its underlying devices,
which is required by dracut.

And it separates the code into different functions,
for later patches to use.

Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
This commit is contained in:
Cong Wang 2012-06-10 18:24:34 +08:00 committed by Dave Young
parent 2aa51e665f
commit 725dae14ac
1 changed files with 16 additions and 3 deletions
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19
dracut-module-setup.sh
View File

@ -51,6 +51,18 @@ kdump_static_ip() {
fi
}
kdump_get_mac_addr() {
echo `ip addr show $1 2>/dev/null|awk '/ether/{ print $2 }'`
}
kdump_setup_bridge() {
local _netdev=$1
for _dev in `ls /sys/class/net/$_netdev/brif/`; do
echo -n " ifname=$_dev:$(kdump_get_mac_addr $_dev)" >> ${initdir}/etc/cmdline.d/41bridge.conf
done
echo " bridge=$_netdev:$(cd /sys/class/net/$_netdev/brif/; echo * | sed -e 's/ /,/g')" >> ${initdir}/etc/cmdline.d/41bridge.conf
}
# Setup dracut to bringup a given network interface
kdump_setup_netdev() {
local _netdev=$1
@ -64,16 +76,17 @@ kdump_setup_netdev() {
_proto=dhcp
fi
echo " ip=${_static}$_netdev:${_proto} ifname=$_netdev:$_netmac rd.neednet=1" > ${initdir}/etc/cmdline.d/40ip.conf
echo " ip=${_static}$_netdev:${_proto}" > ${initdir}/etc/cmdline.d/40ip.conf
if kdump_is_bridge "$_netdev"; then
echo " bridge=$_netdev:$(cd /sys/class/net/$_netdev/brif/; echo *)" > ${initdir}/etc/cmdline.d/41bridge.conf
kdump_setup_bridge "$_netdev"
elif kdump_is_bond "$_netdev"; then
echo " bond=$_netdev:\"$(cat /sys/class/net/$_netdev/bonding/slaves)\"" > ${initdir}/etc/cmdline.d/42bond.conf
#TODO
#echo "bondoptions=\"$bondoptions\"" >> /tmp/$$-bond
else
:
echo -n " ip=${_static}$_netdev:${_proto}" > ${initdir}/etc/cmdline.d/40ip.conf
echo " ifname=$_netdev:$(kdump_get_mac_addr $_netdev)" >> ${initdir}/etc/cmdline.d/40ip.conf
fi
}