diff options
Diffstat (limited to 'lib/configure-vm')
| -rwxr-xr-x | lib/configure-vm | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/lib/configure-vm b/lib/configure-vm deleted file mode 100755 index 5cb45218..00000000 --- a/lib/configure-vm +++ /dev/null @@ -1,203 +0,0 @@ -#!/usr/bin/env python - -import argparse -import math -import os -import random - -import libvirt - -templatedir = os.getenv('LIB', '/var/opt/opnfv/lib') + '/installer/' - -MAX_NUM_MACS = math.trunc(0xff/2) - - -def generate_baremetal_macs(count=1): - """Generate an Ethernet MAC address suitable for baremetal testing.""" - # NOTE(dprince): We generate our own bare metal MAC address's here - # instead of relying on libvirt so that we can ensure the - # locally administered bit is set low. (The libvirt default is - # to set the 2nd MSB high.) This effectively allows our - # fake baremetal VMs to more accurately behave like real hardware - # and fixes issues with bridge/DHCP configurations which rely - # on the fact that bridges assume the MAC address of the lowest - # attached NIC. - # MACs generated for a given machine will also be in sequential - # order, which matches how most BM machines are laid out as well. - # Additionally we increment each MAC by two places. - macs = [] - - if count > MAX_NUM_MACS: - raise ValueError("The MAX num of MACS supported is %i." % MAX_NUM_MACS) - - base_nums = [0x00, - random.randint(0x00, 0xff), - random.randint(0x00, 0xff), - random.randint(0x00, 0xff), - random.randint(0x00, 0xff)] - base_mac = ':'.join(map(lambda x: "%02x" % x, base_nums)) - - start = random.randint(0x00, 0xff) - if (start + (count * 2)) > 0xff: - # leave room to generate macs in sequence - start = 0xff - count * 2 - for num in range(0, count*2, 2): - mac = start + num - macs.append(base_mac + ":" + ("%02x" % mac)) - return macs - -def main(): - parser = argparse.ArgumentParser( - description="Configure a kvm virtual machine for the seed image.") - parser.add_argument('--name', default='seed', - help='the name to give the machine in libvirt.') - parser.add_argument('--image', - help='Use a custom image file (must be qcow2).') - parser.add_argument('--diskbus', default='sata', - help='Choose an alternate bus type for the disk') - parser.add_argument('--baremetal-interface', nargs='+', default=['brbm'], - help='The interface which bare metal nodes will be connected to.') - parser.add_argument('--engine', default='kvm', - help='The virtualization engine to use') - parser.add_argument('--arch', default='i686', - help='The architecture to use') - parser.add_argument('--memory', default='2097152', - help="Maximum memory for the VM in KB.") - parser.add_argument('--cpus', default='1', - help="CPU count for the VM.") - parser.add_argument('--bootdev', default='hd', - help="What boot device to use (hd/network).") - parser.add_argument('--seed', default=False, action='store_true', - help='Create a seed vm with two interfaces.') - parser.add_argument('--ovsbridge', default="", - help='Place the seed public interface on this ovs bridge.') - parser.add_argument('--libvirt-nic-driver', default='virtio', - help='The libvirt network driver to use') - parser.add_argument('--enable-serial-console', action="store_true", - help='Enable a serial console') - parser.add_argument('--direct-boot', - help='Enable directboot to <value>.{vmlinux & initrd}') - parser.add_argument('--kernel-arg', action="append", dest='kernel_args', - help='Kernel arguments, use multiple time for multiple args.') - parser.add_argument('--uri', default='qemu:///system', - help='The server uri with which to connect.') - args = parser.parse_args() - with file(templatedir + '/domain.xml', 'rb') as f: - source_template = f.read() - imagefile = '/var/lib/libvirt/images/seed.qcow2' - if args.image: - imagefile = args.image - imagefile = os.path.realpath(imagefile) - params = { - 'name': args.name, - 'imagefile': imagefile, - 'engine': args.engine, - 'arch': args.arch, - 'memory': args.memory, - 'cpus': args.cpus, - 'bootdev': args.bootdev, - 'network': '', - 'enable_serial_console': '', - 'direct_boot': '', - 'kernel_args': '', - 'user_interface': '', - } - if args.image is not None: - params['imagefile'] = args.image - - # Configure the bus type for the target disk device - params['diskbus'] = args.diskbus - nicparams = { - 'nicdriver': args.libvirt_nic_driver, - 'ovsbridge': args.ovsbridge, - } - if args.seed: - if args.ovsbridge: - params['network'] = """ - <interface type='bridge'> - <source bridge='%(ovsbridge)s'/> - <virtualport type='openvswitch'/> - <model type='%(nicdriver)s'/> - </interface>""" % nicparams - else: - params['network'] = """ - <!-- regular natted network, for access to the vm --> - <interface type='network'> - <source network='default'/> - <model type='%(nicdriver)s'/> - </interface>""" % nicparams - - macs = generate_baremetal_macs(len(args.baremetal_interface)) - - params['bm_network'] = "" - for bm_interface, mac in zip(args.baremetal_interface, macs): - bm_interface_params = { - 'bminterface': bm_interface, - 'bmmacaddress': mac, - 'nicdriver': args.libvirt_nic_driver, - } - params['bm_network'] += """ - <!-- bridged 'bare metal' network on %(bminterface)s --> - <interface type='network'> - <mac address='%(bmmacaddress)s'/> - <source network='%(bminterface)s'/> - <model type='%(nicdriver)s'/> - </interface>""" % bm_interface_params - - if args.enable_serial_console: - params['enable_serial_console'] = """ - <serial type='pty'> - <target port='0'/> - </serial> - <console type='pty'> - <target type='serial' port='0'/> - </console> - """ - if args.direct_boot: - params['direct_boot'] = """ - <kernel>/var/lib/libvirt/images/%(direct_boot)s.vmlinuz</kernel> - <initrd>/var/lib/libvirt/images/%(direct_boot)s.initrd</initrd> - """ % { 'direct_boot': args.direct_boot } - if args.kernel_args: - params['kernel_args'] = """ - <cmdline>%s</cmdline> - """ % ' '.join(args.kernel_args) - - if args.arch == 'aarch64': - - params['direct_boot'] += """ - <loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader> - <nvram>/var/lib/libvirt/qemu/nvram/centos7.0_VARS.fd</nvram> - """ - params['user_interface'] = """ - <controller type='virtio-serial' index='0'> - <address type='virtio-mmio'/> - </controller> - <serial type='pty'> - <target port='0'/> - </serial> - <console type='pty'> - <target type='serial' port='0'/> - </console> - <channel type='unix'> - <target type='virtio' name='org.qemu.guest_agent.0'/> - <address type='virtio-serial' controller='0' bus='0' port='1'/> - </channel> - """ - else: - params['user_interface'] = """ - <input type='mouse' bus='ps2'/> - <graphics type='vnc' port='-1' autoport='yes'/> - <video> - <model type='cirrus' vram='9216' heads='1'/> - </video> - """ - - - libvirt_template = source_template % params - conn=libvirt.open(args.uri) - a = conn.defineXML(libvirt_template) - print ("Created machine %s with UUID %s" % (args.name, a.UUIDString())) - -if __name__ == '__main__': - main() |