class NgRoClient:
- headers_req = {'Accept': 'application/yaml', 'content-type': 'application/yaml'}
- client_to_RO = {'tenant': 'tenants', 'vim': 'datacenters', 'vim_account': 'datacenters', 'sdn': 'sdn_controllers',
- 'vnfd': 'vnfs', 'nsd': 'scenarios', 'wim': 'wims', 'wim_account': 'wims',
- 'ns': 'instances'}
+ headers_req = {"Accept": "application/yaml", "content-type": "application/yaml"}
+ client_to_RO = {
+ "tenant": "tenants",
+ "vim": "datacenters",
+ "vim_account": "datacenters",
+ "sdn": "sdn_controllers",
+ "vnfd": "vnfs",
+ "nsd": "scenarios",
+ "wim": "wims",
+ "wim_account": "wims",
+ "ns": "instances",
+ }
mandatory_for_create = {
- 'tenant': ("name", ),
- 'vnfd': ("name", "id"),
- 'nsd': ("name", "id"),
- 'ns': ("name", "scenario", "datacenter"),
- 'vim': ("name", "vim_url"),
- 'wim': ("name", "wim_url"),
- 'vim_account': (),
- 'wim_account': (),
- 'sdn': ("name", 'type'),
+ "tenant": ("name",),
+ "vnfd": ("name", "id"),
+ "nsd": ("name", "id"),
+ "ns": ("name", "scenario", "datacenter"),
+ "vim": ("name", "vim_url"),
+ "wim": ("name", "wim_url"),
+ "vim_account": (),
+ "wim_account": (),
+ "sdn": ("name", "type"),
}
timeout_large = 120
timeout_short = 30
- def __init__(self, loop, uri, **kwargs):
- self.loop = loop
+ def __init__(self, uri, **kwargs):
self.endpoint_url = uri
if not self.endpoint_url.endswith("/"):
self.endpoint_url += "/"
self.tenant = None
self.datacenter_id_name = kwargs.get("datacenter")
self.datacenter = None
- logger_name = kwargs.get('logger_name', 'lcm.ro')
+ logger_name = kwargs.get("logger_name", "lcm.ro")
self.logger = logging.getLogger(logger_name)
if kwargs.get("loglevel"):
self.logger.setLevel(kwargs["loglevel"])
payload_req = yaml.safe_dump(target)
url = "{}/ns/v1/deploy/{nsr_id}".format(self.endpoint_url, nsr_id=nsr_id)
- async with aiohttp.ClientSession(loop=self.loop) as session:
+ async with aiohttp.ClientSession() as session:
+ self.logger.debug("NG-RO POST %s %s", url, payload_req)
+ # timeout = aiohttp.ClientTimeout(total=self.timeout_large)
+ async with session.post(
+ url, headers=self.headers_req, data=payload_req
+ ) as response:
+ response_text = await response.read()
+ self.logger.debug(
+ "POST {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
+ if response.status >= 300:
+ raise NgRoException(response_text, http_code=response.status)
+ return self._parse_yaml(response_text, response=True)
+ except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+ raise NgRoException(e, http_code=504)
+ except asyncio.TimeoutError:
+ raise NgRoException("Timeout", http_code=504)
+
+ async def migrate(self, nsr_id, target):
+ """
+ Performs migration of VNFs
+ :param nsr_id: NS Instance Id
+ :param target: payload data for migrate operation
+ :return: dictionary with the information or raises NgRoException on Error
+ """
+ try:
+ if isinstance(target, str):
+ target = self._parse_yaml(target)
+ payload_req = yaml.safe_dump(target)
+
+ url = "{}/ns/v1/migrate/{nsr_id}".format(self.endpoint_url, nsr_id=nsr_id)
+ async with aiohttp.ClientSession() as session:
+ self.logger.debug("NG-RO POST %s %s", url, payload_req)
+ # timeout = aiohttp.ClientTimeout(total=self.timeout_large)
+ async with session.post(
+ url, headers=self.headers_req, data=payload_req
+ ) as response:
+ response_text = await response.read()
+ self.logger.debug(
+ "POST {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
+ if response.status >= 300:
+ raise NgRoException(response_text, http_code=response.status)
+ return self._parse_yaml(response_text, response=True)
+ except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+ raise NgRoException(e, http_code=504)
+ except asyncio.TimeoutError:
+ raise NgRoException("Timeout", http_code=504)
+
+ async def operate(self, nsr_id, target, operation_type):
+ """
+ Performs start/stop/rebuil of VNFs
+ :param nsr_id: NS Instance Id
+ :param target: payload data for migrate operation
+ :param operation_type: start/stop/rebuil of VNFs
+ :return: dictionary with the information or raises NgRoException on Error
+ """
+ try:
+ if isinstance(target, str):
+ target = self._parse_yaml(target)
+ payload_req = yaml.safe_dump(target)
+
+ url = "{}/ns/v1/{operation_type}/{nsr_id}".format(
+ self.endpoint_url, operation_type=operation_type, nsr_id=nsr_id
+ )
+ async with aiohttp.ClientSession() as session:
self.logger.debug("NG-RO POST %s %s", url, payload_req)
# timeout = aiohttp.ClientTimeout(total=self.timeout_large)
- async with session.post(url, headers=self.headers_req, data=payload_req) as response:
+ async with session.post(
+ url, headers=self.headers_req, data=payload_req
+ ) as response:
response_text = await response.read()
- self.logger.debug("POST {} [{}] {}".format(url, response.status, response_text[:100]))
+ self.logger.debug(
+ "POST {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
if response.status >= 300:
raise NgRoException(response_text, http_code=response.status)
return self._parse_yaml(response_text, response=True)
async def status(self, nsr_id, action_id):
try:
- url = "{}/ns/v1/deploy/{nsr_id}/{action_id}".format(self.endpoint_url, nsr_id=nsr_id, action_id=action_id)
- async with aiohttp.ClientSession(loop=self.loop) as session:
+ url = "{}/ns/v1/deploy/{nsr_id}/{action_id}".format(
+ self.endpoint_url, nsr_id=nsr_id, action_id=action_id
+ )
+ async with aiohttp.ClientSession() as session:
self.logger.debug("GET %s", url)
# timeout = aiohttp.ClientTimeout(total=self.timeout_short)
async with session.get(url, headers=self.headers_req) as response:
response_text = await response.read()
- self.logger.debug("GET {} [{}] {}".format(url, response.status, response_text[:100]))
+ self.logger.debug(
+ "GET {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
if response.status >= 300:
raise NgRoException(response_text, http_code=response.status)
return self._parse_yaml(response_text, response=True)
async def delete(self, nsr_id):
try:
url = "{}/ns/v1/deploy/{nsr_id}".format(self.endpoint_url, nsr_id=nsr_id)
- async with aiohttp.ClientSession(loop=self.loop) as session:
+ async with aiohttp.ClientSession() as session:
self.logger.debug("DELETE %s", url)
# timeout = aiohttp.ClientTimeout(total=self.timeout_short)
async with session.delete(url, headers=self.headers_req) as response:
self.logger.debug("DELETE {} [{}]".format(url, response.status))
if response.status >= 300:
- raise NgRoException("Delete {}".format(nsr_id), http_code=response.status)
+ raise NgRoException(
+ "Delete {}".format(nsr_id), http_code=response.status
+ )
return
except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
"""
try:
response_text = ""
- async with aiohttp.ClientSession(loop=self.loop) as session:
+ async with aiohttp.ClientSession() as session:
url = "{}/version".format(self.endpoint_url)
self.logger.debug("RO GET %s", url)
# timeout = aiohttp.ClientTimeout(total=self.timeout_short)
async with session.get(url, headers=self.headers_req) as response:
response_text = await response.read()
- self.logger.debug("GET {} [{}] {}".format(url, response.status, response_text[:100]))
+ self.logger.debug(
+ "GET {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
if response.status >= 300:
raise NgRoException(response_text, http_code=response.status)
if "." in word:
version_text, _, _ = word.partition("-")
return version_text
- raise NgRoException("Got invalid version text: '{}'".format(response_text), http_code=500)
+ raise NgRoException(
+ "Got invalid version text: '{}'".format(response_text),
+ http_code=500,
+ )
except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
raise NgRoException(e, http_code=504)
except asyncio.TimeoutError:
raise NgRoException("Timeout", http_code=504)
except Exception as e:
- raise NgRoException("Got invalid version text: '{}'; causing exception {}".format(response_text, e),
- http_code=500)
+ raise NgRoException(
+ "Got invalid version text: '{}'; causing exception {}".format(
+ response_text, e
+ ),
+ http_code=500,
+ )
+
+ async def recreate(self, nsr_id, target):
+ """
+ Performs an action over an item
+ :param item: can be 'tenant', 'vnfd', 'nsd', 'ns', 'vim', 'vim_account', 'sdn'
+ :param item_id_name: RO id or name of the item. Raise and exception if more than one found
+ :param descriptor: can be a dict, or a yaml/json text. Autodetect unless descriptor_format is provided
+ :param descriptor_format: Can be 'json' or 'yaml'
+ :param kwargs: Overrides descriptor with values as name, description, vim_url, vim_url_admin, vim_type
+ keys can be a dot separated list to specify elements inside dict
+ :return: dictionary with the information or raises NgRoException on Error
+ """
+ try:
+ if isinstance(target, str):
+ target = self._parse_yaml(target)
+ payload_req = yaml.safe_dump(target)
+
+ url = "{}/ns/v1/recreate/{nsr_id}".format(self.endpoint_url, nsr_id=nsr_id)
+ async with aiohttp.ClientSession() as session:
+ self.logger.debug("NG-RO POST %s %s", url, payload_req)
+ async with session.post(
+ url, headers=self.headers_req, data=payload_req
+ ) as response:
+ response_text = await response.read()
+ self.logger.debug(
+ "POST {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
+ if response.status >= 300:
+ raise NgRoException(response_text, http_code=response.status)
+ return self._parse_yaml(response_text, response=True)
+ except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+ raise NgRoException(e, http_code=504)
+ except asyncio.TimeoutError:
+ raise NgRoException("Timeout", http_code=504)
+
+ async def recreate_status(self, nsr_id, action_id):
+ try:
+ url = "{}/ns/v1/recreate/{nsr_id}/{action_id}".format(
+ self.endpoint_url, nsr_id=nsr_id, action_id=action_id
+ )
+ async with aiohttp.ClientSession() as session:
+ self.logger.debug("GET %s", url)
+ async with session.get(url, headers=self.headers_req) as response:
+ response_text = await response.read()
+ self.logger.debug(
+ "GET {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
+ if response.status >= 300:
+ raise NgRoException(response_text, http_code=response.status)
+ return self._parse_yaml(response_text, response=True)
+
+ except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+ raise NgRoException(e, http_code=504)
+ except asyncio.TimeoutError:
+ raise NgRoException("Timeout", http_code=504)
+
+ async def vertical_scale(self, nsr_id, target):
+ """
+ Performs migration of VNFs
+ :param nsr_id: NS Instance Id
+ :param target: payload data for migrate operation
+ :return: dictionary with the information or raises NgRoException on Error
+ """
+ try:
+ if isinstance(target, str):
+ target = self._parse_yaml(target)
+ payload_req = yaml.safe_dump(target)
+
+ url = "{}/ns/v1/verticalscale/{nsr_id}".format(
+ self.endpoint_url, nsr_id=nsr_id
+ )
+ async with aiohttp.ClientSession() as session:
+ self.logger.debug("NG-RO POST %s %s", url, payload_req)
+ async with session.post(
+ url, headers=self.headers_req, data=payload_req
+ ) as response:
+ response_text = await response.read()
+ self.logger.debug(
+ "POST {} [{}] {}".format(
+ url, response.status, response_text[:100]
+ )
+ )
+ if response.status >= 300:
+ raise NgRoException(response_text, http_code=response.status)
+ return self._parse_yaml(response_text, response=True)
+ except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+ raise NgRoException(e, http_code=504)
+ except asyncio.TimeoutError:
+ raise NgRoException("Timeout", http_code=504)
@staticmethod
def _parse_yaml(descriptor, response=False):
return yaml.safe_load(descriptor)
except yaml.YAMLError as exc:
error_pos = ""
- if hasattr(exc, 'problem_mark'):
+ if hasattr(exc, "problem_mark"):
mark = exc.problem_mark
- error_pos = " at line:{} column:{}s".format(mark.line + 1, mark.column + 1)
+ error_pos = " at line:{} column:{}s".format(
+ mark.line + 1, mark.column + 1
+ )
error_text = "yaml format error" + error_pos
if response:
raise NgRoException("reponse with " + error_text)