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# The recipe for init-ifupdown in core has a special-case for all
# the Qemu MACHINES: it removes all external network interfaces
# by default. However, eth0 is needed for testimage, so enable it here.
# If QB_NETWORK_XEN_BRIDGE is set, configure bridging for the network.
QB_NETWORK_XEN_BRIDGE ??= ""
enable_runqemu_network() {
: # no-op for non-qemu MACHINES
}
enable_runqemu_network:qemuall() {
# Do not override a network configuration for eth0 if one is present
if ! grep -q eth0 "${IMAGE_ROOTFS}${sysconfdir}/network/interfaces" ; then
# Xen host networking: use bridging to support guest networks
if [ -n "${QB_NETWORK_XEN_BRIDGE}" ] ; then
# Configure a Xen host network bridge and put eth0 on it
cat <<EOF >>${IMAGE_ROOTFS}${sysconfdir}/network/interfaces
# Bridged host network for Xen testimage
iface eth0 inet manual
auto xenbr0
iface xenbr0 inet dhcp
bridge_ports eth0
EOF
# Add a script to create the bridge and add eth0 if necessary
cat <<EOF >>${IMAGE_ROOTFS}${sysconfdir}/network/if-pre-up.d/xenbr0
#!/bin/sh
if [ "\$IFACE" = xenbr0 ]; then
brctl addbr xenbr0 || /bin/true
brctl addif xenbr0 eth0 || /bin/true
ifconfig eth0 up
fi
EOF
chmod 755 ${IMAGE_ROOTFS}${sysconfdir}/network/if-pre-up.d/xenbr0
else
# Just configure eth0
cat <<EOF >>${IMAGE_ROOTFS}${sysconfdir}/network/interfaces
# Network for testimage
auto eth0
iface eth0 inet dhcp
EOF
fi
fi
}
ROOTFS_POSTPROCESS_COMMAND += 'enable_runqemu_network;'
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