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|
#!/bin/sh
set -e
set -x
if ! [ -r /etc/openstack-cluster-installer/openstack-cluster-installer.conf ] ; then
echo "Could not load /etc/openstack-cluster-installer/openstack-cluster-installer.conf"
exit 1
fi
TMPFILE=$(mktemp -t openstack-cluster-installer.XXXXXX)
cat /etc/openstack-cluster-installer/openstack-cluster-installer.conf | grep -v '^\[' >${TMPFILE}
. ${TMPFILE}
rm ${TMPFILE}
for i in $@ ; do
case "${1}" in
"--pxe-server-ip")
if [ -z "${2}" ] ; then echo "Parameter for option --pxe-server-ip is missing" > /dev/stderr ; DO_EXIT="yes" ; fi
OTCI_PXE_SERVER_IP=${2}
shift
shift
;;
"--configure-dummy-nick")
OTCI_CONFIGURE_DUMMY_NICK=yes
shift
;;
"--undo-dummy-nick-setup")
OTCI_UNCONFIGURE_DUMMY_NICK=yes
;;
*)
;;
esac
done
if [ "${OTCI_UNCONFIGURE_DUMMY_NICK}" = "yes" ] ; then
brctl delif ${PXE_BRIDGE_NAME} ${PXE_NIC_NAME} || true
brctl delif ${PXE_BRIDGE_NAME} ${PXE_VM_VIRTAP_NAME} || true
brctl delbr ${PXE_BRIDGE_NAME} || true
ip link delete ${PXE_VM_VIRTAP_NAME} || true
rmmod dummy
exit 0
fi
if [ -z "${OTCI_PXE_SERVER_IP}" ] ; then
OTCI_PXE_SERVER_IP=$(ipcalc ${OPENSTACK_CLUSTER_NETWORK} | grep HostMin | awk '{print $2}')
echo "No --pxe-server-ip given, using ${OTCI_PXE_SERVER_IP} as default." > /dev/stderr
fi
otci_enable_nested_virt () {
if [ -e /sys/module/kvm_intel/parameters/nested ] ; then
NESTED_FLAG=$(cat /sys/module/kvm_intel/parameters/nested)
if [ "${NESTED_FLAG}" = "N" ] ; then
rmmod kvm-intel || true
sh -c "echo 'options kvm-intel nested=y' >> /etc/modprobe.d/dist.conf"
modprobe kvm-intel || true
fi
fi
}
otci_calc_network_config () {
OTCI_PXE_NETWORK=$(ipcalc ${OTCI_PXE_SERVER_IP}/24 | grep Network | awk '{print $2}' | cut -d/ -f1)
OTCI_PXE_NETMASK=$(ipcalc ${OTCI_PXE_SERVER_IP}/24 | grep Netmask | awk '{print $2}')
OTCI_PXE_DIGIT1=$(echo ${OTCI_PXE_SERVER_IP} | cut -d. -f1)
OTCI_PXE_DIGIT2=$(echo ${OTCI_PXE_SERVER_IP} | cut -d. -f2)
OTCI_PXE_DIGIT3=$(echo ${OTCI_PXE_SERVER_IP} | cut -d. -f3)
OTCI_PXE_DIGIT4=$(echo ${OTCI_PXE_SERVER_IP} | cut -d. -f4)
OTCI_PXE_LIVE_IP=${OTCI_PXE_DIGIT1}.${OTCI_PXE_DIGIT2}.${OTCI_PXE_DIGIT3}.$((${OTCI_PXE_DIGIT4} + 1))
}
otci_setup_dummy_nic () {
# Create a dummy virtual interface
modprobe dummy
ip link set name ${PXE_NIC_NAME} dev dummy0
ifconfig ${PXE_NIC_NAME} hw ether 00:22:22:ff:ff:ff
# Create a bridge and bridge that interface to it
ip tuntap add dev ${PXE_VM_VIRTAP_NAME} mode tap user ${PXE_VM_NIC_USER}
brctl addbr ${PXE_BRIDGE_NAME}
brctl addif ${PXE_BRIDGE_NAME} ${PXE_NIC_NAME}
brctl addif ${PXE_BRIDGE_NAME} ${PXE_VM_VIRTAP_NAME}
ifconfig ${PXE_BRIDGE_NAME} ${OTCI_PXE_SERVER_IP} netmask ${OTCI_PXE_NETMASK} up
ip link set ${PXE_BRIDGE_NAME} up
ip link set ${PXE_NIC_NAME} up
ip link set ${PXE_VM_VIRTAP_NAME} up
}
otci_setup_tftp_server () {
sed -i 's/[ \t]*TFTP_ADDRESS[ \t]*=.*/TFTP_ADDRESS="'${OTCI_PXE_SERVER_IP}':69"/' /etc/default/tftpd-hpa
sed -i 's|[ \t]*TFTP_DIRECTORY[ \t]*=.*|TFTP_DIRECTORY="/var/lib/openstack-cluster-installer/tftp"|' /etc/default/tftpd-hpa
}
otci_setup_isc_dhcpd () {
echo "
option domain-name \"debian.net\";
option domain-name-servers 8.8.8.8;
default-lease-time 600;
max-lease-time 7200;
ddns-update-style none;
authoritative;
ignore-client-uids On;
subnet ${OTCI_PXE_NETWORK} netmask ${OTCI_PXE_NETMASK} {
range ${OTCI_PXE_LIVE_IP} ${OTCI_PXE_LIVE_IP};
option routers ${OTCI_PXE_SERVER_IP};
next-server ${OTCI_PXE_SERVER_IP};
if exists user-class and option user-class = \"iPXE\" {
filename \"http://${OTCI_PXE_SERVER_IP}/openstack-cluster-installer/tftp/ipxe-boot-script\";
} else {
filename \"pxelinux.0\";
}
}
host discovery-image.debian.net { hardware ethernet ${QEMU_VM_MAC}; fixed-address ${OTCI_PXE_LIVE_IP}; }
" >/etc/dhcp/dhcpd.conf
sed -i 's/[ \t#]*INTERFACESv4[ \t]*=.*/INTERFACESv4=\"${PXE_BRIDGE_NAME}\"/' /etc/default/isc-dhcp-server
mkdir -p /var/lib/openstack-cluster-installer/tftp
cp /usr/lib/PXELINUX/lpxelinux.0 /var/lib/openstack-cluster-installer/tftp
echo "#!ipxe
chain tftp://${OTCI_PXE_SERVER_IP}/lpxelinux.0
" >/var/lib/openstack-cluster-installer/tftp/ipxe-boot-script
}
otci_setup_scratch_disk () {
qemu-img create /var/lib/openstack-cluster-installer/openstack-cluster-installer-scratch-disk.dat 4G
}
otci_enable_nested_virt
otci_calc_network_config
if [ "${OTCI_CONFIGURE_DUMMY_NICK}" = "yes" ] ; then
otci_setup_dummy_nic
fi
otci_setup_tftp_server
otci_setup_isc_dhcpd
otci_setup_scratch_disk
service isc-dhcp-server restart
service tftpd-hpa restart
|
