107 lines
3.7 KiB
Python
Executable File
107 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import os.path
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import libvirt
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templatedir = os.path.join(os.path.dirname(os.path.dirname(__file__)),
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'templates')
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CONSOLE_LOG = """
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<serial type='file'>
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<source path='%(console_log)s'/>
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<target port='0'/>
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<alias name='serial0'/>
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</serial>
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<serial type='pty'>
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<source path='/dev/pts/49'/>
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<target port='1'/>
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<alias name='serial1'/>
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</serial>
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<console type='file'>
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<source path='%(console_log)s'/>
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<target type='serial' port='0'/>
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<alias name='serial0'/>
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</console>
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"""
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def main():
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parser = argparse.ArgumentParser(
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description="Configure a kvm virtual machine for the seed image.")
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parser.add_argument('--name', default='seed',
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help='the name to give the machine in libvirt.')
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parser.add_argument('--image',
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help='Use a custom image file (must be qcow2).')
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parser.add_argument('--engine', default='qemu',
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help='The virtualization engine to use')
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parser.add_argument('--arch', default='i686',
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help='The architecture to use')
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parser.add_argument('--memory', default='2097152',
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help="Maximum memory for the VM in KB.")
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parser.add_argument('--cpus', default='1',
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help="CPU count for the VM.")
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parser.add_argument('--bootdev', default='hd',
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help="What boot device to use (hd/network).")
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parser.add_argument('--network', default="brbm",
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help='The libvirt network name to use')
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parser.add_argument('--libvirt-nic-driver', default='virtio',
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help='The libvirt network driver to use')
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parser.add_argument('--console-log',
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help='File to log console')
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parser.add_argument('--emulator', default=None,
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help='Path to emulator bin for vm template')
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args = parser.parse_args()
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with file(templatedir + '/vm.xml', 'rb') as f:
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source_template = f.read()
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params = {
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'name': args.name,
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'imagefile': args.image,
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'engine': args.engine,
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'arch': args.arch,
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'memory': args.memory,
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'cpus': args.cpus,
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'bootdev': args.bootdev,
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'network': args.network,
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'nicdriver': args.libvirt_nic_driver,
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'emulator': args.emulator,
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}
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if args.emulator:
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params['emulator'] = args.emulator
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else:
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if os.path.exists("/usr/bin/kvm"): # Debian
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params['emulator'] = "/usr/bin/kvm"
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elif os.path.exists("/usr/bin/qemu-kvm"): # Redhat
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params['emulator'] = "/usr/bin/qemu-kvm"
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if args.console_log:
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params['bios_serial'] = "<bios useserial='yes'/>"
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params['console_log'] = CONSOLE_LOG % {'console_log': args.console_log}
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else:
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params['bios_serial'] = ''
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params['console_log'] = ''
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libvirt_template = source_template % params
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conn = libvirt.open("qemu:///system")
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a = conn.defineXML(libvirt_template)
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print ("Created machine %s with UUID %s" % (args.name, a.UUIDString()))
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if __name__ == '__main__':
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main()
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