1 ###############################################################################
2 # Copyright (c) 2015 Ericsson AB and others.
3 # szilard.cserey@ericsson.com
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ###############################################################################
11 from lxml import etree
12 from execution_environment import ExecutionEnvironment
22 class VirtualFuel(ExecutionEnvironment):
24 def __init__(self, storage_dir, pxe_bridge, dha_file, root_dir):
25 super(VirtualFuel, self).__init__(storage_dir, dha_file, root_dir)
26 self.pxe_bridge = pxe_bridge
28 def set_vm_nic(self, temp_vm_file):
29 with open(temp_vm_file) as f:
30 vm_xml = etree.parse(f)
31 interfaces = vm_xml.xpath('/domain/devices/interface')
32 for interface in interfaces:
33 interface.getparent().remove(interface)
34 interface = etree.Element('interface')
35 interface.set('type', 'bridge')
36 source = etree.SubElement(interface, 'source')
37 source.set('bridge', self.pxe_bridge)
38 model = etree.SubElement(interface, 'model')
39 model.set('type', 'virtio')
40 devices = vm_xml.xpath('/domain/devices')
43 device.append(interface)
44 with open(temp_vm_file, 'w') as f:
45 vm_xml.write(f, pretty_print=True, xml_declaration=True)
48 temp_dir = exec_cmd('mktemp -d')
49 vm_name = self.dha.get_node_property(self.fuel_node_id, 'libvirtName')
50 vm_template = '%s/%s' % (self.root_dir,
51 self.dha.get_node_property(
52 self.fuel_node_id, 'libvirtTemplate'))
53 check_file_exists(vm_template)
54 disk_path = '%s/%s.raw' % (self.storage_dir, vm_name)
55 disk_sizes = self.dha.get_disks()
56 disk_size = disk_sizes['fuel']
57 exec_cmd('fallocate -l %s %s' % (disk_size, disk_path))
58 temp_vm_file = '%s/%s' % (temp_dir, vm_name)
59 exec_cmd('cp %s %s' % (vm_template, temp_vm_file))
60 self.set_vm_nic(temp_vm_file)
61 self.define_vm(vm_name, temp_vm_file, disk_path)
64 def setup_environment(self):
66 self.cleanup_environment()
69 def cleanup_environment(self):
70 self.delete_vm(self.fuel_node_id)