'''
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Orange
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ============LICENSE_END=========================================================
*/
'''
import os
import json
import sys
import uuid
import time
import copy
import netifaces as ni
import warnings
import contextlib
import requests
import simplejson
import http.server
import threading
from datetime import datetime
from datetime import timedelta
from simple_rest_client.api import API
from simple_rest_client.resource import Resource
from basicauth import encode
from pprint import pprint
from random import randint
from urllib3.exceptions import InsecureRequestWarning
old_merge_environment_settings = requests.Session.merge_environment_settings
hostname_cache = []
ansible_inventory = {}
osdf_response = {"last": { "id": "id", "data": None}}
class BaseServer(http.server.BaseHTTPRequestHandler):
def __init__(self, one, two, three):
self.osdf_resp = osdf_response
super().__init__(one, two, three)
def _set_headers(self):
self.send_response(200)
self.send_header('Content-type', 'application/json')
self.end_headers()
def do_GET(self):
self._set_headers()
def do_HEAD(self):
self._set_headers()
def do_POST(self):
self._set_headers()
self.data_string = self.rfile.read(int(self.headers['Content-Length']))
self.send_response(200)
self.end_headers()
data = simplejson.loads(self.data_string)
#print(json.dumps(data, indent=4))
self.osdf_resp["last"]["data"] = data
self.osdf_resp["last"]["id"] = data["requestId"]
with open("response.json", "w") as outfile:
simplejson.dump(data, outfile)
def _run_osdf_resp_server():
server_address = ('', 9000)
httpd = http.server.HTTPServer(server_address, BaseServer)
print('Starting OSDF Response Server...')
httpd.serve_forever()
@contextlib.contextmanager
def _no_ssl_verification():
opened_adapters = set()
def merge_environment_settings(self, url, proxies, stream, verify, cert):
# Verification happens only once per connection so we need to close
# all the opened adapters once we're done. Otherwise, the effects of
# verify=False persist beyond the end of this context manager.
opened_adapters.add(self.get_adapter(url))
settings = old_merge_environment_settings(self, url, proxies, stream, verify, cert)
settings['verify'] = False
return settings
requests.Session.merge_environment_settings = merge_environment_settings
try:
with warnings.catch_warnings():
warnings.simplefilter('ignore', InsecureRequestWarning)
yield
finally:
requests.Session.merge_environment_settings = old_merge_environment_settings
for adapter in opened_adapters:
try:
adapter.close()
except:
pass
def _get_aai_rel_link_data(data, related_to, search_key=None, match_dict=None):
# some strings that we will encounter frequently
rel_lst = "relationship-list"
rkey = "relationship-key"
rval = "relationship-value"
rdata = "relationship-data"
response = list()
if match_dict:
m_key = match_dict.get('key')
m_value = match_dict.get('value')
else:
m_key = None
m_value = None
rel_dict = data.get(rel_lst)
if rel_dict: # check if data has relationship lists
for key, rel_list in rel_dict.items():
for rel in rel_list:
if rel.get("related-to") == related_to:
dval = None
matched = False
link = rel.get("related-link")
r_data = rel.get(rdata, [])
if search_key:
for rd in r_data:
if rd.get(rkey) == search_key:
dval = rd.get(rval)
if not match_dict: # return first match
response.append(
{"link": link, "d_value": dval}
)
break # go to next relation
if rd.get(rkey) == m_key \
and rd.get(rval) == m_value:
matched = True
if match_dict and matched: # if matching required
response.append(
{"link": link, "d_value": dval}
)
# matched, return search value corresponding
# to the matched r_data group
else: # no search key; just return the link
response.append(
{"link": link, "d_value": dval}
)
if len(response) == 0:
response.append(
{"link": None, "d_value": None}
)
return response
class AAIApiResource(Resource):
actions = {
'generic_vnf': {'method': 'GET', 'url': 'network/generic-vnfs/generic-vnf/{}'},
'link': {'method': 'GET', 'url': '{}'},
'service_instance': {'method': 'GET',
'url': 'business/customers/customer/{}/service-subscriptions/service-subscription/{}/service-instances/service-instance/{}'}
}
class HASApiResource(Resource):
actions = {
'plans': {'method': 'POST', 'url': 'plans/'},
'plan': {'method': 'GET', 'url': 'plans/{}'}
}
class OSDFApiResource(Resource):
actions = {
'placement': {'method': 'POST', 'url': 'placement'}
}
class APPCLcmApiResource(Resource):
actions = {
'distribute_traffic': {'method': 'POST', 'url': 'appc-provider-lcm:distribute-traffic/'},
'distribute_traffic_check': {'method': 'POST', 'url': 'appc-provider-lcm:distribute-traffic-check/'},
'upgrade_software': {'method': 'POST', 'url': 'appc-provider-lcm:upgrade-software/'},
'upgrade_pre_check': {'method': 'POST', 'url': 'appc-provider-lcm:upgrade-pre-check/'},
'upgrade_post_check': {'method': 'POST', 'url': 'appc-provider-lcm:upgrade-post-check/'},
'action_status': {'method': 'POST', 'url': 'appc-provider-lcm:action-status/'},
}
def _init_python_aai_api(onap_ip):
api = API(
api_root_url="https://{}:30233/aai/v14/".format(onap_ip),
params={},
headers={
'Authorization': encode("AAI", "AAI"),
'X-FromAppId': 'SCRIPT',
'Accept': 'application/json',
'Content-Type': 'application/json',
'X-TransactionId': str(uuid.uuid4()),
},
timeout=30,
append_slash=False,
json_encode_body=True # encode body as json
)
api.add_resource(resource_name='aai', resource_class=AAIApiResource)
return api
def _init_python_has_api(onap_ip):
api = API(
api_root_url="https://{}:30275/v1/".format(onap_ip),
params={},
headers={
'Authorization': encode("admin1", "plan.15"),
'X-FromAppId': 'SCRIPT',
'Accept': 'application/json',
'Content-Type': 'application/json',
'X-TransactionId': str(uuid.uuid4()),
},
timeout=30,
append_slash=False,
json_encode_body=True # encode body as json
)
api.add_resource(resource_name='has', resource_class=HASApiResource)
return api
def _init_python_osdf_api(onap_ip):
api = API(
api_root_url="https://{}:30248/api/oof/v1/".format(onap_ip),
params={},
headers={
'Authorization': encode("test", "testpwd"),
'X-FromAppId': 'SCRIPT',
'Accept': 'application/json',
'Content-Type': 'application/json',
'X-TransactionId': str(uuid.uuid4()),
},
timeout=30,
append_slash=False,
json_encode_body=True # encode body as json
)
api.add_resource(resource_name='osdf', resource_class=OSDFApiResource)
return api
def _init_python_appc_lcm_api(onap_ip):
api = API(
api_root_url="https://{}:30230/restconf/operations/".format(onap_ip),
params={},
headers={
'Authorization': encode("admin", "Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U"),
'X-FromAppId': 'SCRIPT',
'Accept': 'application/json',
'Content-Type': 'application/json',
},
timeout=300,
append_slash=False,
json_encode_body=True # encode body as json
)
api.add_resource(resource_name='lcm', resource_class=APPCLcmApiResource)
return api
def load_aai_data(vfw_vnf_id, onap_ip):
api = _init_python_aai_api(onap_ip)
aai_data = {}
aai_data['service-info'] = {'global-customer-id': '', 'service-instance-id': '', 'service-type': ''}
aai_data['vfw-model-info'] = {'model-invariant-id': '', 'model-version-id': '', 'vnf-name': '', 'vnf-type': ''}
aai_data['vpgn-model-info'] = {'model-invariant-id': '', 'model-version-id': '', 'vnf-name': '', 'vnf-type': ''}
with _no_ssl_verification():
response = api.aai.generic_vnf(vfw_vnf_id, body=None, params={'depth': 2}, headers={})
aai_data['vfw-model-info']['model-invariant-id'] = response.body.get('model-invariant-id')
aai_data['vfw-model-info']['model-version-id'] = response.body.get('model-version-id')
aai_data['vfw-model-info']['vnf-name'] = response.body.get('vnf-name')
aai_data['vfw-model-info']['vnf-type'] = response.body.get('vnf-type')
aai_data['vf-module-id'] = response.body['vf-modules']['vf-module'][0]['vf-module-id']
related_to = "service-instance"
search_key = "customer.global-customer-id"
rl_data_list = _get_aai_rel_link_data(data=response.body, related_to=related_to, search_key=search_key)
aai_data['service-info']['global-customer-id'] = rl_data_list[0]['d_value']
search_key = "service-subscription.service-type"
rl_data_list = _get_aai_rel_link_data(data=response.body, related_to=related_to, search_key=search_key)
aai_data['service-info']['service-type'] = rl_data_list[0]['d_value']
search_key = "service-instance.service-instance-id"
rl_data_list = _get_aai_rel_link_data(data=response.body, related_to=related_to, search_key=search_key)
aai_data['service-info']['service-instance-id'] = rl_data_list[0]['d_value']
service_link = rl_data_list[0]['link']
response = api.aai.link(service_link, body=None, params={}, headers={})
related_to = "generic-vnf"
search_key = "generic-vnf.vnf-id"
rl_data_list = _get_aai_rel_link_data(data=response.body, related_to=related_to, search_key=search_key)
for i in range(0, len(rl_data_list)):
vnf_id = rl_data_list[i]['d_value']
if vnf_id != vfw_vnf_id:
vnf_link = rl_data_list[i]['link']
response = api.aai.link(vnf_link, body=None, params={}, headers={})
if aai_data['vfw-model-info']['model-invariant-id'] != response.body.get('model-invariant-id'):
aai_data['vpgn-model-info']['model-invariant-id'] = response.body.get('model-invariant-id')
aai_data['vpgn-model-info']['model-version-id'] = response.body.get('model-version-id')
aai_data['vpgn-model-info']['vnf-name'] = response.body.get('vnf-name')
aai_data['vpgn-model-info']['vnf-type'] = response.body.get('vnf-type')
break
return aai_data
def _osdf_request(rancher_ip, onap_ip, aai_data, exclude, use_oof_cache):
dirname = os.path.join('templates/oof-cache/', aai_data['vf-module-id'])
if exclude:
file = os.path.join(dirname, 'sample-osdf-excluded.json')
else:
file = os.path.join(dirname, 'sample-osdf-required.json')
if use_oof_cache and os.path.exists(file):
migrate_from = json.loads(open(file).read())
return migrate_from
print('Making OSDF request for excluded {}'.format(str(exclude)))
api = _init_python_osdf_api(onap_ip)
request_id = str(uuid.uuid4())
transaction_id = str(uuid.uuid4())
callback_url = "http://{}:9000/osdfCallback/".format(str(rancher_ip))
template = json.loads(open('templates/osdfRequest.json').read())
template["requestInfo"]["transactionId"] = transaction_id
template["requestInfo"]["requestId"] = request_id
template["requestInfo"]["callbackUrl"] = callback_url
template["serviceInfo"]["serviceInstanceId"] = aai_data['service-info']['service-instance-id']
template["placementInfo"]["requestParameters"]["chosenCustomerId"] = aai_data['service-info']['global-customer-id']
template["placementInfo"]["placementDemands"][0]["resourceModelInfo"]["modelInvariantId"] =\
aai_data['vfw-model-info']['model-invariant-id']
template["placementInfo"]["placementDemands"][0]["resourceModelInfo"]["modelVersionId"] =\
aai_data['vfw-model-info']['model-version-id']
template["placementInfo"]["placementDemands"][1]["resourceModelInfo"]["modelInvariantId"] =\
aai_data['vpgn-model-info']['model-invariant-id']
template["placementInfo"]["placementDemands"][1]["resourceModelInfo"]["modelVersionId"] =\
aai_data['vpgn-model-info']['model-version-id']
if exclude:
template["placementInfo"]["placementDemands"][0]["excludedCandidates"][0]["identifiers"].\
append(aai_data['vf-module-id'])
del template["placementInfo"]["placementDemands"][0]["requiredCandidates"]
else:
template["placementInfo"]["placementDemands"][0]["requiredCandidates"][0]["identifiers"].\
append(aai_data['vf-module-id'])
del template["placementInfo"]["placementDemands"][0]["excludedCandidates"]
#print(json.dumps(template, indent=4))
with _no_ssl_verification():
response = api.osdf.placement(body=template, params={}, headers={})
#if response.body.get('error_message') is not None:
# raise Exception(response.body['error_message']['explanation'])
counter = 0
while counter < 600 and osdf_response["last"]["id"] != request_id:
time.sleep(1)
if counter % 20 == 0:
print("solving")
counter += 1
if osdf_response["last"]["id"] == request_id:
status = osdf_response["last"]["data"]["requestStatus"]
if status == "completed":
result = {
"solution": osdf_response["last"]["data"]["solutions"]["placementSolutions"]
}
if not os.path.exists(dirname):
os.makedirs(dirname)
f = open(file, 'w+')
f.write(json.dumps(result, indent=4))
f.close()
return result
else:
message = osdf_response["last"]["data"]["statusMessage"]
raise Exception("OOF request {}: {}".format(status, message))
else:
raise Exception("No response for OOF request")
def _has_request(onap_ip, aai_data, exclude, use_oof_cache):
dirname = os.path.join('templates/oof-cache/', aai_data['vf-module-id'])
if exclude:
file = os.path.join(dirname, 'sample-has-excluded.json')
else:
file = os.path.join(dirname, 'sample-has-required.json')
if use_oof_cache and os.path.exists(file):
migrate_from = json.loads(open(file).read())
return migrate_from
print('Making HAS request for excluded {}'.format(str(exclude)))
api = _init_python_has_api(onap_ip)
request_id = str(uuid.uuid4())
template = json.loads(open('templates/hasRequest.json').read())
result = {}
template['name'] = request_id
node = template['template']['parameters']
node['chosen_customer_id'] = aai_data['service-info']['global-customer-id']
node['service_id'] = aai_data['service-info']['service-instance-id']
node = template['template']['demands']['vFW-SINK'][0]
node['attributes']['model-invariant-id'] = aai_data['vfw-model-info']['model-invariant-id']
node['attributes']['model-version-id'] = aai_data['vfw-model-info']['model-version-id']
if exclude:
node['excluded_candidates'][0]['candidate_id'][0] = aai_data['vf-module-id']
del node['required_candidates']
else:
node['required_candidates'][0]['candidate_id'][0] = aai_data['vf-module-id']
del node['excluded_candidates']
node = template['template']['demands']['vPGN'][0]
node['attributes']['model-invariant-id'] = aai_data['vpgn-model-info']['model-invariant-id']
node['attributes']['model-version-id'] = aai_data['vpgn-model-info']['model-version-id']
#print(json.dumps(template, indent=4))
with _no_ssl_verification():
response = api.has.plans(body=template, params={}, headers={})
if response.body.get('error_message') is not None:
raise Exception(response.body['error_message']['explanation'])
else:
plan_id = response.body['id']
response = api.has.plan(plan_id, body=None, params={}, headers={})
status = response.body['plans'][0]['status']
while status != 'done' and status != 'error':
print(status)
response = api.has.plan(plan_id, body=None, params={}, headers={})
status = response.body['plans'][0]['status']
if status == 'done':
result = response.body['plans'][0]['recommendations'][0]
else:
raise Exception(response.body['plans'][0]['message'])
if not os.path.exists(dirname):
os.makedirs(dirname)
f = open(file, 'w+')
f.write(json.dumps(result, indent=4))
f.close()
return result
def _extract_has_appc_identifiers(has_result, demand):
if demand == 'vPGN':
v_server = has_result[demand]['attributes']['vservers'][0]
else:
if len(has_result[demand]['attributes']['vservers'][0]['l-interfaces']) == 4:
v_server = has_result[demand]['attributes']['vservers'][0]
else:
v_server = has_result[demand]['attributes']['vservers'][1]
for itf in v_server['l-interfaces']:
if itf['ipv4-addresses'][0].startswith("10.0."):
ip = itf['ipv4-addresses'][0]
break
if v_server['vserver-name'] in hostname_cache and demand != 'vPGN':
v_server['vserver-name'] = v_server['vserver-name'].replace("01", "02")
hostname_cache.append(v_server['vserver-name'])
config = {
'vnf-id': has_result[demand]['attributes']['nf-id'],
'vf-module-id': has_result[demand]['attributes']['vf-module-id'],
'ip': ip,
'vserver-id': v_server['vserver-id'],
'vserver-name': v_server['vserver-name'],
'vnfc-type': demand.lower(),
'physical-location-id': has_result[demand]['attributes']['physical-location-id']
}
ansible_inventory_entry = "{} ansible_ssh_host={} ansible_ssh_user=ubuntu".format(config['vserver-name'], config['ip'])
if demand.lower() not in ansible_inventory:
ansible_inventory[demand.lower()] = {}
ansible_inventory[demand.lower()][config['vserver-name']] = ansible_inventory_entry
return config
def _extract_osdf_appc_identifiers(has_result, demand):
if demand == 'vPGN':
v_server = has_result[demand]['vservers'][0]
else:
if len(has_result[demand]['vservers'][0]['l-interfaces']) == 4:
v_server = has_result[demand]['vservers'][0]
else:
v_server = has_result[demand]['vservers'][1]
for itf in v_server['l-interfaces']:
if itf['ipv4-addresses'][0].startswith("10.0."):
ip = itf['ipv4-addresses'][0]
break
if v_server['vserver-name'] in hostname_cache and demand != 'vPGN':
v_server['vserver-name'] = v_server['vserver-name'].replace("01", "02")
hostname_cache.append(v_server['vserver-name'])
config = {
'vnf-id': has_result[demand]['nf-id'],
'vf-module-id': has_result[demand]['vf-module-id'],
'ip': ip,
'vserver-id': v_server['vserver-id'],
'vserver-name': v_server['vserver-name'],
'vnfc-type': demand.lower(),
'physical-location-id': has_result[demand]['locationId']
}
ansible_inventory_entry = "{} ansible_ssh_host={} ansible_ssh_user=ubuntu".format(config['vserver-name'], config['ip'])
if demand.lower() not in ansible_inventory:
ansible_inventory[demand.lower()] = {}
ansible_inventory[demand.lower()][config['vserver-name']] = ansible_inventory_entry
return config
def _extract_has_appc_dt_config(has_result, demand):
if demand == 'vPGN':
return {}
else:
config = {
"nf-type": has_result[demand]['attributes']['nf-type'],
"nf-name": has_result[demand]['attributes']['nf-name'],
"vf-module-name": has_result[demand]['attributes']['vf-module-name'],
"vnf-type": has_result[demand]['attributes']['vnf-type'],
"service_instance_id": "319e60ef-08b1-47aa-ae92-51b97f05e1bc",
"cloudClli": has_result[demand]['attributes']['physical-location-id'],
"nf-id": has_result[demand]['attributes']['nf-id'],
"vf-module-id": has_result[demand]['attributes']['vf-module-id'],
"aic_version": has_result[demand]['attributes']['aic_version'],
"ipv4-oam-address": has_result[demand]['attributes']['ipv4-oam-address'],
"vnfHostName": has_result[demand]['candidate']['host_id'],
"ipv6-oam-address": has_result[demand]['attributes']['ipv6-oam-address'],
"cloudOwner": has_result[demand]['candidate']['cloud_owner'],
"isRehome": has_result[demand]['candidate']['is_rehome'],
"locationId": has_result[demand]['candidate']['location_id'],
"locationType": has_result[demand]['candidate']['location_type'],
'vservers': has_result[demand]['attributes']['vservers']
}
return config
def _extract_osdf_appc_dt_config(osdf_result, demand):
if demand == 'vPGN':
return {}
else:
return osdf_result[demand]
def _build_config_from_has(has_result):
v_pgn_result = _extract_has_appc_identifiers(has_result, 'vPGN')
v_fw_result = _extract_has_appc_identifiers(has_result, 'vFW-SINK')
dt_config = _extract_has_appc_dt_config(has_result, 'vFW-SINK')
config = {
'vPGN': v_pgn_result,
'vFW-SINK': v_fw_result
}
#print(json.dumps(config, indent=4))
config['dt-config'] = {
'destinations': [dt_config]
}
return config
def _adapt_osdf_result(osdf_result):
result = {}
demand = _build_osdf_result_demand(osdf_result["solution"][0][0])
result[demand["name"]] = demand["value"]
demand = _build_osdf_result_demand(osdf_result["solution"][0][1])
result[demand["name"]] = demand["value"]
return result
def _build_osdf_result_demand(solution):
result = {}
result["name"] = solution["resourceModuleName"]
value = {"candidateId": solution["solution"]["identifiers"][0]}
for info in solution["assignmentInfo"]:
value[info["key"]] = info["value"]
result["value"] = value
return result
def _build_config_from_osdf(osdf_result):
osdf_result = _adapt_osdf_result(osdf_result)
v_pgn_result = _extract_osdf_appc_identifiers(osdf_result, 'vPGN')
v_fw_result = _extract_osdf_appc_identifiers(osdf_result, 'vFW-SINK')
dt_config = _extract_osdf_appc_dt_config(osdf_result, 'vFW-SINK')
config = {
'vPGN': v_pgn_result,
'vFW-SINK': v_fw_result
}
#print(json.dumps(config, indent=4))
config['dt-config'] = {
'destinations': [dt_config]
}
return config
def _build_appc_lcm_dt_payload(demand, oof_config, action, traffic_presence):
is_check = traffic_presence is not None
oof_config = copy.deepcopy(oof_config)
#if is_vpkg:
# node_list = "[ {} ]".format(oof_config['vPGN']['vserver-id'])
#else:
# node_list = "[ {} ]".format(oof_config['vFW-SINK']['vserver-id'])
book_name = "{}/latest/ansible/{}/site.yml".format(demand.lower(), action.lower())
config = oof_config[demand]
#node = {
# 'site': config['physical-location-id'],
# 'vnfc_type': config['vnfc-type'],
# 'vm_info': [{
# 'ne_id': config['vserver-name'],
# 'fixed_ip_address': config['ip']
# }]
#}
#node_list = list()
#node_list.append(node)
if is_check:
oof_config['dt-config']['trafficpresence'] = traffic_presence
file_content = oof_config['dt-config']
config = {
"configuration-parameters": {
#"node_list": node_list,
"ne_id": config['vserver-name'],
"fixed_ip_address": config['ip'],
"file_parameter_content": json.dumps(file_content)
}
}
if book_name != '':
config["configuration-parameters"]["book_name"] = book_name
payload = json.dumps(config)
return payload
def _build_appc_lcm_upgrade_payload(demand, oof_config, action, old_version, new_version):
oof_config = copy.deepcopy(oof_config)
book_name = "{}/latest/ansible/{}/site.yml".format(demand.lower(), action.lower())
config = oof_config[demand]
file_content = {} #oof_config['dt-config']
config = {
"configuration-parameters": {
#"node_list": node_list,
"ne_id": config['vserver-name'],
"fixed_ip_address": config['ip'],
"file_parameter_content": json.dumps(file_content),
"existing-software-version": old_version,
"new-software-version": new_version
}
}
if book_name != '':
config["configuration-parameters"]["book_name"] = book_name
payload = json.dumps(config)
return payload
def _build_appc_lcm_status_body(req):
payload = {
'request-id': req['input']['common-header']['request-id'],
'sub-request-id': req['input']['common-header']['sub-request-id'],
'originator-id': req['input']['common-header']['originator-id']
}
payload = json.dumps(payload)
template = json.loads(open('templates/appcRestconfLcm.json').read())
template['input']['action'] = 'ActionStatus'
template['input']['payload'] = payload
template['input']['common-header']['request-id'] = req['input']['common-header']['request-id']
template['input']['common-header']['sub-request-id'] = str(uuid.uuid4())
template['input']['action-identifiers']['vnf-id'] = req['input']['action-identifiers']['vnf-id']
return template
def _build_appc_lcm_dt_request_body(is_vpkg, config, req_id, action, traffic_presence=None):
if is_vpkg:
demand = 'vPGN'
else:
demand = 'vFW-SINK'
payload = _build_appc_lcm_dt_payload(demand, config, action, traffic_presence)
return _build_appc_lcm_request_body(payload, demand, config, req_id, action)
def _build_appc_lcm_upgrade_request_body(config, req_id, action, old_version, new_version):
demand = 'vFW-SINK'
payload = _build_appc_lcm_upgrade_payload(demand, config, action, old_version, new_version)
return _build_appc_lcm_request_body(payload, demand, config, req_id, action)
def _build_appc_lcm_request_body(payload, demand, config, req_id, action):
template = json.loads(open('templates/appcRestconfLcm.json').read())
template['input']['action'] = action
template['input']['payload'] = payload
template['input']['common-header']['request-id'] = req_id
template['input']['common-header']['sub-request-id'] = str(uuid.uuid4())
template['input']['action-identifiers']['vnf-id'] = config[demand]['vnf-id']
return template
def _set_appc_lcm_timestamp(body, timestamp=None):
if timestamp is None:
t = datetime.utcnow() + timedelta(seconds=-10)
timestamp = t.strftime('%Y-%m-%dT%H:%M:%S.244Z')
body['input']['common-header']['timestamp'] = timestamp
def build_appc_lcms_requests_body(rancher_ip, onap_ip, aai_data, use_oof_cache, if_close_loop_vfw, new_version=None):
if_has = True
if if_has:
migrate_from = _has_request(onap_ip, aai_data, False, use_oof_cache)
if if_close_loop_vfw:
migrate_to = migrate_from
else:
migrate_to = _has_request(onap_ip, aai_data, True, use_oof_cache)
migrate_from = _build_config_from_has(migrate_from)
migrate_to = _build_config_from_has(migrate_to)
else:
migrate_from = _osdf_request(rancher_ip, onap_ip, aai_data, False, use_oof_cache)
if if_close_loop_vfw:
migrate_to = migrate_from
else:
migrate_to = _osdf_request(rancher_ip, onap_ip, aai_data, True, use_oof_cache)
migrate_from = _build_config_from_osdf(migrate_from)
migrate_to = _build_config_from_osdf(migrate_to)
#print(json.dumps(migrate_from, indent=4))
#print(json.dumps(migrate_to, indent=4))
req_id = str(uuid.uuid4())
result = list()
old_version = 2.0
if_dt_only = new_version is None
if new_version is not None and new_version != "1.0":
old_version = 1.0
if if_dt_only:
#_build_appc_lcm_dt_request_body(is_vpkg, config, req_id, action, traffic_presence=None):
payload_dt_check_vpkg = _build_appc_lcm_dt_request_body(True, migrate_from, req_id, 'DistributeTrafficCheck', True)
payload_dt_vpkg_to = _build_appc_lcm_dt_request_body(True, migrate_to, req_id, 'DistributeTraffic')
payload_dt_check_vfw_from = _build_appc_lcm_dt_request_body(False, migrate_from, req_id, 'DistributeTrafficCheck',
False)
payload_dt_check_vfw_to = _build_appc_lcm_dt_request_body(False, migrate_to, req_id, 'DistributeTrafficCheck', True)
requests = list()
requests.append({"payload": payload_dt_vpkg_to, "breakOnFailure": True, "description": "Migrating source vFW traffic to destination vFW"})
requests.append({"payload": payload_dt_check_vfw_from, "breakOnFailure": True, "description": "Checking traffic has been stopped on the source vFW"})
requests.append({"payload": payload_dt_check_vfw_to, "breakOnFailure": True, "description": "Checking traffic has appeared on the destination vFW"})
result.append({"payload": payload_dt_check_vpkg, "breakOnFailure": False, "description": "Check current traffic destination on vPGN",
"workflow": {"requests": requests, "description": "Migrate Traffic and Verify"}})
else:
#_build_appc_lcm_dt_request_body(is_vpkg, config, req_id, action, traffic_presence=None):
payload_dt_check_vpkg = _build_appc_lcm_dt_request_body(True, migrate_from, req_id, 'DistributeTrafficCheck', True)
payload_dt_vpkg_to = _build_appc_lcm_dt_request_body(True, migrate_to, req_id, 'DistributeTraffic')
payload_dt_vpkg_from = _build_appc_lcm_dt_request_body(True, migrate_from, req_id, 'DistributeTraffic')
payload_dt_check_vfw_from_absent = _build_appc_lcm_dt_request_body(False, migrate_from, req_id, 'DistributeTrafficCheck', False)
payload_dt_check_vfw_to_present = _build_appc_lcm_dt_request_body(False, migrate_to, req_id, 'DistributeTrafficCheck', True)
payload_dt_check_vfw_to_absent = _build_appc_lcm_dt_request_body(False, migrate_to, req_id, 'DistributeTrafficCheck', False)
payload_dt_check_vfw_from_present = _build_appc_lcm_dt_request_body(False, migrate_from, req_id, 'DistributeTrafficCheck', True)
payload_old_version_check_vfw_from = _build_appc_lcm_upgrade_request_body(migrate_from, req_id, 'UpgradePreCheck', old_version, new_version)
payload_new_version_check_vfw_from = _build_appc_lcm_upgrade_request_body(migrate_from, req_id, 'UpgradePostCheck', old_version, new_version)
payload_upgrade_vfw_from = _build_appc_lcm_upgrade_request_body(migrate_from, req_id, 'UpgradeSoftware', old_version, new_version)
requests = list()
migrate_requests = list()
migrate_requests.append({"payload": payload_dt_vpkg_to, "breakOnFailure": True, "description": "Migrating source vFW traffic to destination vFW"})
migrate_requests.append({"payload": payload_dt_check_vfw_from_absent, "breakOnFailure": True, "description": "Checking traffic has been stopped on the source vFW"})
migrate_requests.append({"payload": payload_dt_check_vfw_to_present, "breakOnFailure": True, "description": "Checking traffic has appeared on the destination vFW"})
requests.append({"payload": payload_dt_check_vpkg, "breakOnFailure": False, "description": "Check current traffic destination on vPGN",
"workflow": {"requests": migrate_requests, "description": "Migrate Traffic and Verify"}})
requests.append({"payload": payload_upgrade_vfw_from, "breakOnFailure": True, "description": "Upgrading Software on source vFW"})
requests.append({"payload": payload_new_version_check_vfw_from, "breakOnFailure": True, "description": "Check current software version on source vFW"})
requests.append({"payload": payload_dt_vpkg_from, "breakOnFailure": True, "description": "Migrating destination vFW traffic to source vFW"})
requests.append({"payload": payload_dt_check_vfw_to_absent, "breakOnFailure": True, "description": "Checking traffic has been stopped on the destination vFW"})
requests.append({"payload": payload_dt_check_vfw_from_present, "breakOnFailure": True, "description": "Checking traffic has appeared on the source vFW"})
result.append({"payload": payload_old_version_check_vfw_from, "breakOnFailure": False, "description": "Check current software version on source vFW",
"workflow": {"requests": requests, "description": "Migrate Traffic and Upgrade Software"}})
return result
def appc_lcm_request(onap_ip, req):
api = _init_python_appc_lcm_api(onap_ip)
with _no_ssl_verification():
#print(json.dumps(req, indent=4))
if req['input']['action'] == "DistributeTraffic":
result = api.lcm.distribute_traffic(body=req, params={}, headers={})
elif req['input']['action'] == "DistributeTrafficCheck":
result = api.lcm.distribute_traffic_check(body=req, params={}, headers={})
elif req['input']['action'] == "UpgradeSoftware":
result = api.lcm.upgrade_software(body=req, params={}, headers={})
elif req['input']['action'] == "UpgradePreCheck":
result = api.lcm.upgrade_pre_check(body=req, params={}, headers={})
elif req['input']['action'] == "UpgradePostCheck":
result = api.lcm.upgrade_post_check(body=req, params={}, headers={})
else:
raise Exception("{} action not supported".format(req['input']['action']))
if result.body['output']['status']['code'] == 400:
print("SUCCESSFUL")
elif result.body['output']['status']['code'] == 100:
print("ACCEPTED")
# elif result.body['output']['status']['code'] == 311:
# timestamp = result.body['output']['common-header']['timestamp']
# _set_appc_lcm_timestamp(req, timestamp)
# appc_lcm_request(onap_ip, req)
# return
else:
raise Exception("{} - {}".format(result.body['output']['status']['code'],
result.body['output']['status']['message']))
#print(result)
return result.body['output']['status']['code']
def appc_lcm_status_request(onap_ip, req):
api = _init_python_appc_lcm_api(onap_ip)
status_body = _build_appc_lcm_status_body(req)
_set_appc_lcm_timestamp(status_body)
with _no_ssl_verification():
result = api.lcm.action_status(body=status_body, params={}, headers={})
if result.body['output']['status']['code'] == 400:
status = json.loads(result.body['output']['payload'])
return status
else:
raise Exception("{} - {}".format(result.body['output']['status']['code'],
result.body['output']['status']['message']))
def confirm_appc_lcm_action(onap_ip, req, check_appc_result):
print("APPC LCM << {} >> [Status]".format(req['input']['action']))
while True:
time.sleep(2)
status = appc_lcm_status_request(onap_ip, req)
print(status['status'])
if status['status'] == 'SUCCESSFUL':
return True
elif status['status'] == 'IN_PROGRESS':
continue
elif check_appc_result:
print("APPC LCM <<{}>> [{} - {}]".format(req['input']['action'], status['status'], status['status-reason']))
return False
else:
return True
def _execute_lcm_requests(workflow, onap_ip, check_result):
lcm_requests = workflow["requests"]
print("WORKFLOW << {} >>".format(workflow["description"]))
for i in range(len(lcm_requests)):
req = lcm_requests[i]["payload"]
#print(json.dumps(req, indent=4))
print("APPC LCM << {} >> [{}]".format(req['input']['action'], lcm_requests[i]["description"]))
_set_appc_lcm_timestamp(req)
result = appc_lcm_request(onap_ip, req)
if result == 100:
conf_result = confirm_appc_lcm_action(onap_ip, req, check_result)
if not conf_result:
if lcm_requests[i]["breakOnFailure"]:
raise Exception("APPC LCM << {} >> FAILED".format(req['input']['action']))
elif "workflow" in lcm_requests[i]:
print("WORKFLOW << {} >> SKIP".format(lcm_requests[i]["workflow"]["description"]))
elif "workflow" in lcm_requests[i]:
_execute_lcm_requests(lcm_requests[i]["workflow"], onap_ip, check_result)
#time.sleep(30)
def execute_workflow(vfw_vnf_id, rancher_ip, onap_ip, use_oof_cache, if_close_loop_vfw, info_only, check_result, new_version=None):
print("\nExecuting workflow for VNF ID '{}' on Rancher with IP {} and ONAP with IP {}".format(
vfw_vnf_id, rancher_ip, onap_ip))
print("\nOOF Cache {}, is CL vFW {}, only info {}, check LCM result {}".format(use_oof_cache, if_close_loop_vfw,
info_only, check_result))
if new_version is not None:
print("\nNew vFW software version {}\n".format(new_version))
x = threading.Thread(target=_run_osdf_resp_server, daemon=True)
x.start()
aai_data = load_aai_data(vfw_vnf_id, onap_ip)
print("\nvFWDT Service Information:")
print(json.dumps(aai_data, indent=4))
lcm_requests = build_appc_lcms_requests_body(rancher_ip, onap_ip, aai_data, use_oof_cache, if_close_loop_vfw, new_version)
print("\nAnsible Inventory:")
inventory = "[host]\nlocalhost ansible_connection=local\n"
for key in ansible_inventory:
inventory += str("[{}]\n").format(key)
for host in ansible_inventory[key]:
inventory += str("{}\n").format(ansible_inventory[key][host])
print(inventory)
f = open("Ansible_inventory", 'w+')
f.write(inventory)
f.close()
if info_only:
return
print("\nDistribute Traffic Workflow Execution:")
_execute_lcm_requests({"requests": lcm_requests, "description": "Migrate vFW Traffic Conditionally"}, onap_ip, check_result)
help = """\npython3 workflow.py <VNF-ID> <RANCHER-NODE-IP> <K8S-NODE-IP> <IF-CACHE> <IF-VFWCL> <INITIAL-ONLY> <CHECK-STATUS> <VERSION>
\n<VNF-ID> - vnf-id of vFW VNF instance that traffic should be migrated out from
<RANCHER-NODE-IP> - External IP of ONAP Rancher Node i.e. 10.12.5.160 (If Rancher Node is missing this is NFS node)
<K8S-NODE-IP> - External IP of ONAP K8s Worker Node i.e. 10.12.5.212
<IF-CACHE> - If script should use and build OOF response cache (cache it speed-ups further executions of script)
<IF-VFWCL> - If instead of vFWDT service instance vFW or vFWCL one is used (should be False always)
<INITIAL-ONLY> - If only configuration information will be collected (True for initial phase and False for full execution of workflow)
<CHECK-STATUS> - If APPC LCM action status should be verified and FAILURE should stop workflow (when False FAILED status of LCM action does not stop execution of further LCM actions)
<VERSION> - New version of vFW - for tests '1.0' or '2.0'. Ommit when traffic distribution only\n"""
for key in sys.argv:
if key == "-h" or key == "--help":
print(help)
sys.exit()
new_version = None
if len(sys.argv) > 8:
new_version = sys.argv[8]
#vnf_id, Rancher node IP, K8s node IP, use OOF cache, if close loop vfw, if info_only, if check APPC result
execute_workflow(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4].lower() == 'true', sys.argv[5].lower() == 'true',
sys.argv[6].lower() == 'true', sys.argv[7].lower() == 'true', new_version)
