from http import HTTPStatus
from validation import ValidationError, pdu_new_schema, pdu_edit_schema
from base_topic import BaseTopic, EngineException, get_iterable
+from osm_im.vnfd import vnfd as vnfd_im
+from osm_im.nsd import nsd as nsd_im
+from pyangbind.lib.serialise import pybindJSONDecoder
+import pyangbind.lib.pybindJSON as pybindJSON
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
BaseTopic.format_on_new(content, project_id=project_id, make_public=make_public)
content["_admin"]["onboardingState"] = "CREATED"
content["_admin"]["operationalState"] = "DISABLED"
- content["_admin"]["usageSate"] = "NOT_IN_USE"
+ content["_admin"]["usageState"] = "NOT_IN_USE"
def delete(self, session, _id, force=False, dry_run=False):
"""
"future versions", http_code=HTTPStatus.NOT_ACCEPTABLE)
return self.fs.file_open((storage['folder'], storage['zipfile']), "rb"), accept_zip
+ def pyangbind_validation(self, item, data, force=False):
+ try:
+ if item == "vnfds":
+ myvnfd = vnfd_im()
+ pybindJSONDecoder.load_ietf_json({'vnfd:vnfd-catalog': {'vnfd': [data]}}, None, None, obj=myvnfd,
+ path_helper=True, skip_unknown=force)
+ out = pybindJSON.dumps(myvnfd, mode="ietf")
+ elif item == "nsds":
+ mynsd = nsd_im()
+ pybindJSONDecoder.load_ietf_json({'nsd:nsd-catalog': {'nsd': [data]}}, None, None, obj=mynsd,
+ path_helper=True, skip_unknown=force)
+ out = pybindJSON.dumps(mynsd, mode="ietf")
+ else:
+ raise EngineException("Not possible to validate '{}' item".format(item),
+ http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
+
+ desc_out = self._remove_envelop(yaml.safe_load(out))
+ return desc_out
+
+ except Exception as e:
+ raise EngineException("Error in pyangbind validation: {}".format(str(e)),
+ http_code=HTTPStatus.UNPROCESSABLE_ENTITY)
+
class VnfdTopic(DescriptorTopic):
topic = "vnfds"
clean_indata = clean_indata['vnfd-catalog']
if clean_indata.get('vnfd'):
if not isinstance(clean_indata['vnfd'], list) or len(clean_indata['vnfd']) != 1:
- raise EngineException("'vnfd' must be a list only one element")
+ raise EngineException("'vnfd' must be a list of only one element")
clean_indata = clean_indata['vnfd'][0]
+ elif clean_indata.get('vnfd:vnfd'):
+ if not isinstance(clean_indata['vnfd:vnfd'], list) or len(clean_indata['vnfd:vnfd']) != 1:
+ raise EngineException("'vnfd:vnfd' must be a list of only one element")
+ clean_indata = clean_indata['vnfd:vnfd'][0]
return clean_indata
def check_conflict_on_del(self, session, _id, force=False):
def _validate_input_new(self, indata, force=False):
# TODO validate with pyangbind, serialize
-
+ indata = self.pyangbind_validation("vnfds", indata, force)
# Cross references validation in the descriptor
if not indata.get("mgmt-interface"):
raise EngineException("'mgmt-interface' is a mandatory field and it is not defined",
clean_indata = clean_indata['nsd-catalog']
if clean_indata.get('nsd'):
if not isinstance(clean_indata['nsd'], list) or len(clean_indata['nsd']) != 1:
- raise EngineException("'nsd' must be a list only one element")
+ raise EngineException("'nsd' must be a list of only one element")
clean_indata = clean_indata['nsd'][0]
+ elif clean_indata.get('nsd:nsd'):
+ if not isinstance(clean_indata['nsd:nsd'], list) or len(clean_indata['nsd:nsd']) != 1:
+ raise EngineException("'nsd:nsd' must be a list of only one element")
+ clean_indata = clean_indata['nsd:nsd'][0]
return clean_indata
def _validate_input_new(self, indata, force=False):
- # transform constituent-vnfd:member-vnf-index to string
- if indata.get("constituent-vnfd"):
- for constituent_vnfd in indata["constituent-vnfd"]:
- if "member-vnf-index" in constituent_vnfd:
- constituent_vnfd["member-vnf-index"] = str(constituent_vnfd["member-vnf-index"])
# TODO validate with pyangbind, serialize
+ indata = self.pyangbind_validation("nsds", indata, force)
return indata
def _validate_input_edit(self, indata, force=False):
raise EngineException("There is some NSR that depends on this NSD", http_code=HTTPStatus.CONFLICT)
+class NstTopic(DescriptorTopic):
+ topic = "nsts"
+ topic_msg = "nst"
+
+ def __init__(self, db, fs, msg):
+ DescriptorTopic.__init__(self, db, fs, msg)
+
+ @staticmethod
+ def _remove_envelop(indata=None):
+ if not indata:
+ return {}
+ clean_indata = indata
+
+ if clean_indata.get('nst:nst'):
+ clean_indata = clean_indata['nst:nst']
+ elif clean_indata.get('nst'):
+ clean_indata = clean_indata['nst']
+ if clean_indata.get('nst'):
+ if not isinstance(clean_indata['nst'], list) or len(clean_indata['nst']) != 1:
+ raise EngineException("'nst' must be a list only one element")
+ clean_indata = clean_indata['nst'][0]
+ return clean_indata
+
+ def _validate_input_edit(self, indata, force=False):
+ # TODO validate with pyangbind, serialize
+ return indata
+
+ def _check_descriptor_dependencies(self, session, descriptor):
+ """
+ Check that the dependent descriptors exist on a new descriptor or edition
+ :param session: client session information
+ :param descriptor: descriptor to be inserted or edit
+ :return: None or raises exception
+ """
+ if not descriptor.get("netslice-subnet"):
+ return
+ for nsd in descriptor["netslice-subnet"]:
+ nsd_id = nsd["nsd-ref"]
+ filter_q = self._get_project_filter(session, write=False, show_all=True)
+ filter_q["id"] = nsd_id
+ if not self.db.get_list("nsds", filter_q):
+ raise EngineException("Descriptor error at 'netslice-subnet':'nsd-ref'='{}' references a non "
+ "existing nsd".format(nsd_id), http_code=HTTPStatus.CONFLICT)
+
+ def check_conflict_on_edit(self, session, final_content, edit_content, _id, force=False):
+ super().check_conflict_on_edit(session, final_content, edit_content, _id, force=force)
+
+ self._check_descriptor_dependencies(session, final_content)
+
+ def check_conflict_on_del(self, session, _id, force=False):
+ """
+ Check that there is not any NSIR that uses this NST. Only NSIRs belonging to this project are considered. Note
+ that NST can be public and be used by other projects.
+ :param session:
+ :param _id: nst internal id
+ :param force: Avoid this checking
+ :return: None or raises EngineException with the conflict
+ """
+ # TODO: Check this method
+ if force:
+ return
+ # Get Network Slice Template from Database
+ _filter = self._get_project_filter(session, write=False, show_all=False)
+ _filter["_id"] = _id
+ nst = self.db.get_one("nst", _filter)
+
+ # Search NSIs using NST via nst-ref
+ _filter = self._get_project_filter(session, write=False, show_all=False)
+ _filter["nst-ref"] = nst["id"]
+ if self.db.get_list("nsis", _filter):
+ raise EngineException("There is some NSIS that depends on this NST", http_code=HTTPStatus.CONFLICT)
+
+
class PduTopic(BaseTopic):
topic = "pdus"
topic_msg = "pdu"
BaseTopic.format_on_new(content, project_id=None, make_public=make_public)
content["_admin"]["onboardingState"] = "CREATED"
content["_admin"]["operationalState"] = "DISABLED"
- content["_admin"]["usageSate"] = "NOT_IN_USE"
+ content["_admin"]["usageState"] = "NOT_IN_USE"
def check_conflict_on_del(self, session, _id, force=False):
if force: