X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=lcm%2Flcm%2Fpub%2Futils%2Fnotificationsutil.py;h=fcc7ef913bd56c0181d4a988b90925b53955ce78;hb=3bd4752aeb947d60b86bc2478dd594dc5e202d4f;hp=a89503160d364f9c91a04a7971fcf1564c0cda86;hpb=3f63b351c906c800c0aba78f6b72914fa49239fe;p=vfc%2Fgvnfm%2Fvnflcm.git diff --git a/lcm/lcm/pub/utils/notificationsutil.py b/lcm/lcm/pub/utils/notificationsutil.py index a8950316..fcc7ef91 100644 --- a/lcm/lcm/pub/utils/notificationsutil.py +++ b/lcm/lcm/pub/utils/notificationsutil.py @@ -13,40 +13,49 @@ # limitations under the License. import json +import base64 +import sys +import traceback import logging +import urllib.request +import urllib.error +import urllib.parse import uuid - -import requests -from requests.auth import HTTPBasicAuth -from rest_framework import status +import httplib2 from lcm.nf import const from lcm.pub.database.models import SubscriptionModel -from lcm.pub.database.models import ( - VmInstModel, NetworkInstModel, - PortInstModel, StorageInstModel, VNFCInstModel -) +from lcm.pub.database.models import VmInstModel +from lcm.pub.database.models import NetworkInstModel +from lcm.pub.database.models import PortInstModel +from lcm.pub.database.models import StorageInstModel +from lcm.pub.database.models import VNFCInstModel +from lcm.pub.database.models import NfInstModel from lcm.pub.utils.timeutil import now_time from lcm.pub.utils.enumutil import enum logger = logging.getLogger(__name__) -NOTIFY_TYPE = enum(lCM_OP_OCC="VnfLcmOperationOccurrenceNotification", - CREATION="VnfIdentifierCreationNotification", - DELETION="VnfIdentifierDeletionNotification") +rest_no_auth, rest_oneway_auth, rest_bothway_auth = 0, 1, 2 +HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '200', '201', '204', '202' +status_ok_list = [HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED] +HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN, HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '404', '403', '401', '400' +NOTIFY_TYPE = enum( + lCM_OP_OCC="VnfLcmOperationOccurrenceNotification", + CREATION="VnfIdentifierCreationNotification", + DELETION="VnfIdentifierDeletionNotification" +) class NotificationsUtil(object): - def __init__(self): - pass - def send_notification(self, notification): logger.info("Send Notifications to the callbackUri") filters = { "operationState": "operation_states", - "operation": "operation_types" + "operation": "operation_types", + "vnfInstanceId": "vnf_instance_filter" } - subscriptions_filter = {v + "__contains": notification[k] for k, v in filters.iteritems()} + subscriptions_filter = {v + "__contains": notification[k] for k, v in list(filters.items())} subscriptions = SubscriptionModel.objects.filter(**subscriptions_filter) if not subscriptions.exists(): @@ -61,22 +70,67 @@ class NotificationsUtil(object): } callbackUri = subscription.callback_uri auth_info = json.loads(subscription.auth_info) - if auth_info["authType"] != const.OAUTH2_CLIENT_CREDENTIALS: + if const.BASIC in auth_info["authType"]: try: - self.post_notification(callbackUri, auth_info, notification) + self.post_notification(callbackUri, notification) except Exception as e: - logger.error("Failed to post notification: %s", e.message) + logger.error("Failed to post notification: %s", e.args[0]) - def post_notification(self, callbackUri, auth_info, notification): - params = auth_info.get("paramsBasic", {}) - username = params.get("userName") - password = params.get("password") + def post_notification(self, callbackUri, notification): logger.info("Sending notification to %s", callbackUri) - resp = requests.post(callbackUri, - data=notification, - auth=HTTPBasicAuth(username, password)) - if resp.status_code != status.HTTP_204_NO_CONTENT: - raise Exception("Notify %s failed: %s" % (callbackUri, resp.text)) + resp = self.call_req(callbackUri, "", "", "POST", json.dumps(notification)) + if resp[0] != 0: + logger.error('Status code is %s, detail is %s.', resp[2], resp[1]) + + def call_req(self, full_url, user, passwd, method, content=''): + callid = str(uuid.uuid1()) + logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s')" % ( + callid, full_url, user, passwd, rest_no_auth, method, content)) + ret = None + resp_Location = '' + resp_status = '' + try: + headers = {'content-type': 'application/json', 'accept': 'application/json'} + if user: + headers['Authorization'] = 'Basic %s' % base64.b64encode( + bytes('%s:%s' % (user, passwd), "utf-8")).decode() + ca_certs = None + for retry_times in range(3): + http = httplib2.Http(ca_certs=ca_certs, disable_ssl_certificate_validation=True) + http.follow_all_redirects = True + try: + resp, resp_content = http.request(full_url, method=method.upper(), body=content, headers=headers) + logger.info("resp=%s,resp_content=%s" % (resp, resp_content)) + resp_status, resp_body = resp['status'], resp_content.decode('UTF-8') + resp_Location = resp.get('Location', "") + logger.debug("[%s][%d]status=%s,resp_body=%s)" % (callid, retry_times, resp_status, resp_body)) + if resp_status in status_ok_list: + ret = [0, resp_body, resp_status, resp_Location] + else: + ret = [1, resp_body, resp_status, resp_Location] + break + except Exception as ex: + if 'httplib.ResponseNotReady' in str(sys.exc_info()): + logger.debug("retry_times=%d", retry_times) + logger.error(traceback.format_exc()) + ret = [1, "Unable to connect to %s" % full_url, resp_status, resp_Location] + continue + raise ex + except urllib.error.URLError as err: + ret = [2, str(err), resp_status, resp_Location] + except Exception: + logger.error(traceback.format_exc()) + logger.error("[%s]ret=%s" % (callid, str(sys.exc_info()))) + res_info = str(sys.exc_info()) + if 'httplib.ResponseNotReady' in res_info: + res_info = "The URL[%s] request failed or is not responding." % full_url + ret = [3, res_info, resp_status, resp_Location] + except: + logger.error(traceback.format_exc()) + ret = [4, str(sys.exc_info()), resp_status, resp_Location] + + logger.debug("[%s]ret=%s" % (callid, str(ret))) + return ret def set_affected_vnfcs(affected_vnfcs, nfinstid, changetype): @@ -136,7 +190,7 @@ def set_ext_connectivity(ext_connectivity, nfinstid): }, 'cpInstanceId': port.portid # TODO: port.cpinstanceid is not initiated when create port resource. }) - for network_id, ext_link_ports in ext_connectivity_map.items(): + for network_id, ext_link_ports in list(ext_connectivity_map.items()): networks = NetworkInstModel.objects.filter(networkid=network_id) net_name = networks[0].name if networks else network_id network_resource = { @@ -193,7 +247,7 @@ def prepare_notification(nfinstid, jobid, operation, operation_state): 'affectedVirtualLinks': [], 'affectedVirtualStorages': [], 'changedExtConnectivity': [], - 'error': '', + 'error': None, '_links': { 'vnfInstance': { 'href': '%s/vnf_instances/%s' % (const.URL_PREFIX, nfinstid) @@ -203,14 +257,21 @@ def prepare_notification(nfinstid, jobid, operation, operation_state): } } } + nfInsts = NfInstModel.objects.filter(nfinstid=nfinstid) + if nfInsts.exists(): + notification_content['vnfmInstId'] = nfInsts[0].vnfminstid + else: + notification_content['vnfmInstId'] = "1" return notification_content def prepare_notification_data(nfinstid, jobid, changetype, operation): - data = prepare_notification(nfinstid=nfinstid, - jobid=jobid, - operation=operation, - operation_state=const.OPERATION_STATE_TYPE.COMPLETED) + data = prepare_notification( + nfinstid=nfinstid, + jobid=jobid, + operation=operation, + operation_state=const.OPERATION_STATE_TYPE.COMPLETED + ) set_affected_vnfcs(data['affectedVnfcs'], nfinstid, changetype) set_affected_vls(data['affectedVirtualLinks'], nfinstid, changetype)