def cmd_define(vm_name, vm_definition):
manager = Manager()
vm = manager.define_vm(vm_name, vm_definition)
vm_hash = {
"definition": vm.get_definition(),
"state": vm.get_state()
}
def cmd_info(vm_name):
manager = Manager()
vm = manager.get_vm(vm_name)
vm_hash = {
"definition" : vm.get_definition(),
"state" : vm.get_state()
}
return vm_hash
def cmd_status():
manager = Manager()
vms = {}
for vm_name in manager.list_vms():
vm = manager.get_vm(vm_name)
vm_hash = {
"definition" : vm.get_definition(),
"state" : vm.get_state()
}
vms[vm_name] = vm_hash
return {
"vms" : vms,
"status" : get_system_stats(),
}
def process_request(request):
action = request['action']
data = request['data']
if action == 'status':
return cmd_status()
vm_name = request['data'].get('vm_name', None)
if vm_name is None:
die("Missing vm_name parameter", STATUS_MISSING_DATA)
if action == 'define':
vm_definition = request['data'].get('definition', None)
if vm_definition is None:
die("Missing definition parameter", STATUS_MISSING_DATA)
return cmd_define(vm_name, vm_definition)
if action == 'migrate':
vm_destination = request['data'].get('vm_destination', None)
if vm_destination is None:
die("Missing vm_destination parameter", STATUS_MISSING_DATA)
return cmd_migrate(vm_name, vm_destination)
if action == 'info':
return cmd_info(vm_name)
# all the rest are no-argument actions on existing VMs
manager = Manager()
try:
vm = manager.get_vm(vm_name)
except KeyError:
if action in ('undefine', 'deprovision',):
return
raise
if action == 'start':
vm.start()
elif action == 'stop':
vm.stop()
elif action == 'shutdown':
vm.shutdown()
elif action == 'undefine':
vm.undefine()
elif action == 'deprovision':
vm.deprovision()