def create_new_vm(vmdef):
image = cache.get_image(name=vmdef['image'])
image = copy.deepcopy(image)
vm = ravello.update_luids(image)
vm['name'] = vmdef['name']
vm['customVmConfigurationData'] = { 'keypair': env.public_key }
vm['hostname'] = [ vmdef['name'] ]
vm['numCpus'] = vmdef['smp']
vm['memorySize'] = { 'unit': 'MB', 'value': vmdef['memory'] }
vm.setdefault('suppliedServices', [])
for svcdef in vmdef.get('services', []):
if isinstance(svcdef, int):
port = str(svcdef)
svcdef = 'port-{0}'.format(svcdef)
else:
port = socket.getservbyname(svcdef)
svc = { 'globalService': True, 'id': ravello.random_luid(),
'ip': None, 'name': svcdef, 'portRange': port,
'protocol': 'ANY_OVER_TCP' }
vm['suppliedServices'].append({'baseService': svc})
# Set a fixed Mac. This way applications created from blueprints
# created from these VMs will have the same Mac.
# See also https://github.com/ravello/testmill/issues/15
conn = vm['networkConnections'][0]
conn['device']['mac'] = get_new_mac()
conn['device']['useAutomaticMac'] = False
return vm
def reuse_existing_application(appdef):
"""Try to re-use an existing application."""
candidates = []
pubkey = env.public_key
if appdef.get('blueprint'):
blueprint = cache.get_blueprint(name=appdef['blueprint'])
else:
blueprint = None
project = env.manifest['project']
for app in cache.get_applications():
parts = app['name'].split(':')
if len(parts) != 3:
continue
if parts[0] != project['name'] or parts[1] != appdef['name']:
continue
app = cache.get_application(app['id'])
vms = app.get('vms', [])
if not vms:
continue
state = get_application_state(app)
if state not in vm_reuse_states:
continue
if blueprint and blueprint['name'] != app.get('blueprintName'):
continue
vmsfound = []
for vmdef in appdef['vms']:
for vm in vms:
if vm['name'] == vmdef['name']:
break
if not blueprint:
image = cache.get_image(name=vmdef['image'])
if not image:
continue
if vm['shelfVmId'] != image['id']:
continue
userdata = vm.get('customVmConfigurationData', {})
keypair = userdata.get('keypair')
if keypair.get('id') != pubkey['id']:
continue
vmsfound.append(vmdef['name'])
if len(vmsfound) != len(appdef['vms']):
continue
candidates.append((state, app))
if not candidates:
return
candidates.sort(key=lambda x: vm_reuse_states.index(x[0]))
return candidates[0][1]
def image_exists(name, nodepath):
if not cache.get_image(name=name):
msg = 'Image `{0}` does not exist.'.format(name)
raise validate.ValidationError(msg, nodepath)
return True