diff options
Diffstat (limited to 'fuel/deploy/environments/virtual_fuel.py')
-rw-r--r-- | fuel/deploy/environments/virtual_fuel.py | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/fuel/deploy/environments/virtual_fuel.py b/fuel/deploy/environments/virtual_fuel.py new file mode 100644 index 0000000..1f939f0 --- /dev/null +++ b/fuel/deploy/environments/virtual_fuel.py @@ -0,0 +1,60 @@ +from lxml import etree + +import common +from execution_environment import ExecutionEnvironment + +exec_cmd = common.exec_cmd +log = common.log +check_file_exists = common.check_file_exists +check_if_root = common.check_if_root + +class VirtualFuel(ExecutionEnvironment): + + def __init__(self, storage_dir, pxe_bridge, dha_file, root_dir): + super(VirtualFuel, self).__init__( + storage_dir, dha_file, root_dir) + self.pxe_bridge = pxe_bridge + + def set_vm_nic(self, temp_vm_file): + with open(temp_vm_file) as f: + vm_xml = etree.parse(f) + interfaces = vm_xml.xpath('/domain/devices/interface') + for interface in interfaces: + interface.getparent().remove(interface) + interface = etree.Element('interface') + interface.set('type', 'bridge') + source = etree.SubElement(interface, 'source') + source.set('bridge', self.pxe_bridge) + model = etree.SubElement(interface, 'model') + model.set('type', 'virtio') + devices = vm_xml.xpath('/domain/devices') + if devices: + device = devices[0] + device.append(interface) + with open(temp_vm_file, 'w') as f: + vm_xml.write(f, pretty_print=True, xml_declaration=True) + + def create_vm(self): + temp_dir = exec_cmd('mktemp -d') + vm_name = self.dha.get_node_property(self.fuel_node_id, 'libvirtName') + vm_template = '%s/%s' % (self.root_dir, + self.dha.get_node_property( + self.fuel_node_id, 'libvirtTemplate')) + check_file_exists(vm_template) + disk_path = '%s/%s.raw' % (self.storage_dir, vm_name) + disk_sizes = self.dha.get_disks() + disk_size = disk_sizes['fuel'] + exec_cmd('fallocate -l %s %s' % (disk_size, disk_path)) + temp_vm_file = '%s/%s' % (temp_dir, vm_name) + exec_cmd('cp %s %s' % (vm_template, temp_vm_file)) + self.set_vm_nic(temp_vm_file) + self.define_vm(vm_name, temp_vm_file, disk_path) + exec_cmd('rm -fr %s' % temp_dir) + + def setup_environment(self): + check_if_root() + self.cleanup_environment() + self.create_vm() + + def cleanup_environment(self): + self.delete_vm(self.fuel_node_id) |