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# -*- coding: utf8 -*-
# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2019 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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============================================
#
#
"""
OS::Neutron::Port connecting to external network
must have at most one ip_address and at most one v6_ip_address.
"""
import collections
import os.path
from .structures import Heat
from .helpers import validates
VERSION = "1.1.0"
def get_neutron_ports(heat):
"""Return dict of resource_id: resource, whose type is
OS::Neutron::Port.
"""
return {
rid: resource
for rid, resource in heat.resources.items()
if heat.nested_get(resource, "type") == "OS::Neutron::Port"
}
def get_port_addresses(filepath):
"""Return dict:
key is field name, value is dict:
key is parameter name, value is dict:
key is filepath, value is set of rid
"""
port_addresses = collections.defaultdict(
lambda: collections.defaultdict(lambda: collections.defaultdict(set))
)
heat = Heat(filepath=filepath)
basename = os.path.basename(filepath)
for rid, port in get_neutron_ports(heat).items():
allowed_address_pairs = heat.nested_get(
port, "properties", "allowed_address_pairs"
)
if not isinstance(allowed_address_pairs, list):
continue
field = "ip_address"
for aa_pair in allowed_address_pairs:
param = heat.nested_get(aa_pair, field, "get_param")
if param is None:
continue
else:
param = param[0] if isinstance(param, list) else param
port_addresses[field][param][basename].add(rid)
return port_addresses
def nested_update(out_dict, in_dict):
"""Recursively update out_dict from in_dict.
"""
for key, value in in_dict.items():
if key not in out_dict:
out_dict[key] = value
elif isinstance(value, dict) and isinstance(out_dict[key], dict):
out_dict[key] = nested_update(out_dict[key], value)
elif isinstance(value, set) and isinstance(out_dict[key], set):
out_dict[key].update(value)
else:
out_dict[key] = value
return out_dict
@validates("R-10754")
def test_neutron_port_floating(yaml_files):
"""
If a VNF has two or more ports that
attach to an external network that require a Virtual IP Address (VIP),
and the VNF requires ONAP automation to assign the IP address,
all the Virtual Machines using the VIP address **MUST**
be instantiated in the same Base Module Heat Orchestration Template
or in the same Incremental Module Heat Orchestration Template.
"""
fields = {}
for filepath in yaml_files:
fields = nested_update(fields, get_port_addresses(filepath))
bad = []
for field, params in fields.items():
for param, files in params.items():
if len(files) > 1:
error = ["{} {} assigned in multiple templates: ".format(field, param)]
for file_name, r_ids in files.items():
error.append(
"In {} it's assigned to {}. ".format(
file_name, ", ".join(r_ids)
)
)
bad.append("".join(error))
assert not bad, "; ".join(bad)
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