import re
from n2vc.n2vc_conn import N2VCConnector
+from n2vc.n2vc_conn import obj_to_dict, obj_to_yaml
from n2vc.exceptions \
import N2VCBadArgumentsException, N2VCException, N2VCConnectionException, \
N2VCExecutionException, N2VCInvalidCertificate
self.info('N2VC juju connector initialized')
- async def get_status(self, namespace: str):
- self.info('Getting NS status. namespace: {}'.format(namespace))
+ async def get_status(self, namespace: str, yaml_format: bool = True):
+
+ # self.info('Getting NS status. namespace: {}'.format(namespace))
if not self._authenticated:
await self._juju_login()
status = await model.get_status()
- return status
+ if yaml_format:
+ return obj_to_yaml(status)
+ else:
+ return obj_to_dict(status)
async def create_execution_environment(
self,
if credentials is None:
raise N2VCBadArgumentsException(message='credentials are mandatory', bad_args=['credentials'])
- if 'hostname' in credentials:
+ if credentials.get('hostname'):
hostname = credentials['hostname']
else:
raise N2VCBadArgumentsException(message='hostname is mandatory', bad_args=['credentials.hostname'])
- if 'username' in credentials:
+ if credentials.get('username'):
username = credentials['username']
else:
raise N2VCBadArgumentsException(message='username is mandatory', bad_args=['credentials.username'])
raise e
# return public key if exists
- return output
+ return output["pubkey"] if "pubkey" in output else output
async def add_relation(
self,
nsi_id, ns_id, vnf_id, vdu_id, vdu_count = self._get_namespace_components(namespace=namespace)
if ns_id is not None:
- self.debug('Deleting model {}'.format(ns_id))
try:
await self._juju_destroy_model(
model_name=ns_id,
if not the_path[-1] == '.':
the_path = the_path + '.'
update_dict = {the_path + 'ee_id': ee_id}
- self.debug('Writing ee_id to database: {}'.format(the_path))
+ # self.debug('Writing ee_id to database: {}'.format(the_path))
self.db.set_one(
table=the_table,
q_filter=the_filter,
:return: app-vnf-<vnf id>-vdu-<vdu-id>-cnt-<vdu-count>
"""
+ # TODO: Enforce the Juju 50-character application limit
+
# split namespace components
_, _, vnf_id, vdu_id, vdu_count = self._get_namespace_components(namespace=namespace)
if vnf_id is None or len(vnf_id) == 0:
vnf_id = ''
else:
- vnf_id = 'vnf-' + vnf_id
+ # Shorten the vnf_id to its last twelve characters
+ vnf_id = 'vnf-' + vnf_id[-12:]
if vdu_id is None or len(vdu_id) == 0:
vdu_id = ''
else:
- vdu_id = '-vdu-' + vdu_id
+ # Shorten the vdu_id to its last twelve characters
+ vdu_id = '-vdu-' + vdu_id[-12:]
if vdu_count is None or len(vdu_count) == 0:
vdu_count = ''
application = await self._juju_get_application(model_name=model_name, application_name=application_name)
- self.debug('trying to execute action {}'.format(action_name))
unit = application.units[0]
if unit is not None:
actions = await application.get_actions()
if action_name in actions:
- self.debug('executing action {} with params {}'.format(action_name, kwargs))
+ self.debug('executing action "{}" using params: {}'.format(action_name, kwargs))
action = await unit.run_action(action_name, **kwargs)
# register action with observer
observer.register_action(action=action, db_dict=db_dict)
- self.debug(' waiting for action completed or error...')
await observer.wait_for_action(
action_id=action.entity_id,
progress_timeout=progress_timeout,
total_timeout: float = None
):
- # get juju model
- model = await self._juju_get_model(model_name=model_name)
-
# get the application
application = await self._juju_get_application(model_name=model_name, application_name=application_name)
)
# check if 'verify-ssh-credentials' action exists
- unit = application.units[0]
+ # unit = application.units[0]
actions = await application.get_actions()
if 'verify-ssh-credentials' not in actions:
msg = 'Action verify-ssh-credentials does not exist in application {}'.format(application_name)
+ self.debug(msg=msg)
return False
# execute verify-credentials
model = await self._juju_get_model(model_name=model_name)
uuid = model.info.uuid
- self.debug('disconnecting model {}...'.format(model_name))
await self._juju_disconnect_model(model_name=model_name)
self.juju_models[model_name] = None
self.juju_observers[model_name] = None
self.debug('destroying model {}...'.format(model_name))
await self.controller.destroy_model(uuid)
+ self.debug('model destroy requested {}'.format(model_name))
# wait for model is completely destroyed
end = time.time() + total_timeout
while time.time() < end:
- self.debug('waiting for model is destroyed...')
+ self.debug('Waiting for model is destroyed...')
try:
- await self.controller.get_model(uuid)
- except Exception:
- self.debug('model destroyed')
- return
+ # await self.controller.get_model(uuid)
+ models = await self.controller.list_models()
+ if model_name not in models:
+ self.debug('The model {} ({}) was destroyed'.format(model_name, uuid))
+ return
+ except Exception as e:
+ pass
await asyncio.sleep(1.0)
async def _juju_login(self):
await self.juju_models[model_name].disconnect()
self.juju_models[model_name] = None
self.juju_observers[model_name] = None
+ else:
+ self.warning('Cannot disconnect model: {}'.format(model_name))
def _create_juju_public_key(self):
"""Recreate the Juju public key on lcm container, if needed