osm_pla/test/test_mznModelGenerator.py |
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# Copyright 2020 ArctosLabs Scandinavia AB |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
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# implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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import datetime |
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import logging |
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# import unittest |
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from unittest import TestCase |
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# import random |
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# from operator import itemgetter |
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import re |
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from jinja2 import Template |
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from osm_pla.placement.mznplacement import MznModelGenerator |
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test_ns_placement_data_str = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [ |
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{"vnf_id": "one", "vnf_price_per_vim": [50, 51, 52, 53, 54]}, |
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{"vnf_id": "two", "vnf_price_per_vim": [20, 21, 22, 23, 24]}, |
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{"vnf_id": "three", "vnf_price_per_vim": [70, 71, 72, 73, 74]}, |
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{"vnf_id": "four", "vnf_price_per_vim": [40, 41, 42, 43, 44]}, |
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], |
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"vld_desc": [ |
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{"cp_refs": ["one", "two"], "latency": 150, "jitter": 30}, |
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{"cp_refs": ["two", "three"], "latency": 140, "jitter": 30}, |
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{"cp_refs": ["three", "four"], "latency": 130, "jitter": 30}, |
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], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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test_ns_placement_data_str_no_vld_constraints = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [ |
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{"vnf_id": "one", "vnf_price_per_vim": [50, 51, 52, 53, 54]}, |
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{"vnf_id": "two", "vnf_price_per_vim": [20, 21, 22, 23, 24]}, |
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{"vnf_id": "three", "vnf_price_per_vim": [70, 71, 72, 73, 74]}, |
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{"vnf_id": "four", "vnf_price_per_vim": [40, 41, 42, 43, 44]}, |
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], |
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"vld_desc": [ |
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{"cp_refs": ["one", "two"]}, |
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{"cp_refs": ["two", "three"]}, |
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{"cp_refs": ["three", "four"]}, |
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], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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test_ns_placement_data = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [ |
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{"vnf_id": "1", "vnf_price_per_vim": [50, 51, 52, 53, 54]}, |
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{"vnf_id": "2", "vnf_price_per_vim": [20, 21, 22, 23, 24]}, |
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{"vnf_id": "3", "vnf_price_per_vim": [70, 71, 72, 73, 74]}, |
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{"vnf_id": "4", "vnf_price_per_vim": [40, 41, 42, 43, 44]}, |
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], |
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"vld_desc": [ |
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{"cp_refs": ["1", "2"], "latency": 150, "jitter": 30}, |
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{"cp_refs": ["2", "3"], "latency": 140, "jitter": 30}, |
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{"cp_refs": ["3", "4"], "latency": 130, "jitter": 30}, |
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], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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test_ns_placement_data_w_pinning = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [ |
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{"vnf_id": "1", "vnf_price_per_vim": [50, 51, 52, 53, 54]}, |
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{ |
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"vnf_id": "2", |
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"vnf_price_per_vim": [20, 21, 22, 23, 24], |
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"vim_account": "vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87", |
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}, |
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{"vnf_id": "3", "vnf_price_per_vim": [70, 71, 72, 73, 74]}, |
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{ |
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"vnf_id": "4", |
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"vnf_price_per_vim": [40, 41, 42, 43, 44], |
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"vim_account": "vimcccccccc_ed84_4e49_b5df_a9d117bd731f", |
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}, |
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], |
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"vld_desc": [ |
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{"cp_refs": ["1", "2"], "latency": 150, "jitter": 30}, |
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{"cp_refs": ["2", "3"], "latency": 140, "jitter": 30}, |
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{"cp_refs": ["3", "4"], "latency": 130, "jitter": 30}, |
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], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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test_ns_placement_data_w_pinning_str = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [ |
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{"vnf_id": "one", "vnf_price_per_vim": [50, 51, 52, 53, 54]}, |
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{ |
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"vnf_id": "two", |
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"vnf_price_per_vim": [20, 21, 22, 23, 24], |
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"vim_account": "vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87", |
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}, |
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{"vnf_id": "three", "vnf_price_per_vim": [70, 71, 72, 73, 74]}, |
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{ |
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"vnf_id": "four", |
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"vnf_price_per_vim": [40, 41, 42, 43, 44], |
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"vim_account": "vimcccccccc_ed84_4e49_b5df_a9d117bd731f", |
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}, |
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], |
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"vld_desc": [ |
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{"cp_refs": ["one", "two"], "latency": 150, "jitter": 30}, |
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{"cp_refs": ["two", "three"], "latency": 140, "jitter": 30}, |
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{"cp_refs": ["three", "four"], "latency": 130, "jitter": 30}, |
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], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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test_ns_placement_data_str_no_vld = { |
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"vim_accounts": [ |
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"vim" + vim_account.replace("-", "_") |
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for vim_account in [ |
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"aaaaaaaa-38f5-438d-b8ee-3f93b3531f87", |
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"bbbbbbbb-38f5-438d-b8ee-3f93b3531f87", |
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"cccccccc-ed84-4e49-b5df-a9d117bd731f", |
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"dddddddd-ed84-4e49-b5df-a9d117bd731f", |
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"eeeeeeee-38f5-438d-b8ee-3f93b3531f87", |
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] |
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], |
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"trp_link_latency": [ |
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[0, 50, 100, 150, 200], |
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[0, 0, 100, 150, 200], |
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[0, 0, 0, 150, 200], |
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[0, 0, 0, 0, 200], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_jitter": [ |
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[0, 5, 10, 15, 20], |
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[0, 0, 10, 15, 20], |
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[0, 0, 0, 15, 20], |
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[0, 0, 0, 0, 20], |
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[0, 0, 0, 0, 0], |
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], |
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"trp_link_price_list": [ |
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[0, 5, 6, 6, 7], |
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[0, 0, 6, 6, 7], |
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[0, 0, 0, 6, 7], |
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[0, 0, 0, 0, 7], |
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[0, 0, 0, 0, 0], |
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], |
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"ns_desc": [{"vnf_id": "one", "vnf_price_per_vim": [50, 51, 52, 53, 54]}], |
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"vld_desc": [], |
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"generator_data": {"file": __file__, "time": datetime.datetime.now()}, |
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} |
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expected_model_fragment = """ |
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%This is the NETWORK RESOURCE MODEL |
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enum Vims = { |
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vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
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vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
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vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
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vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
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vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
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array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
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|0,0,100,150,200, |
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|0,0,0,150,200, |
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|0,0,0,0,200, |
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|0,0,0,0,0, |
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|]; % Transport link latency between data centers |
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array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
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|0,0,10,15,20, |
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|0,0,0,15,20, |
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|0,0,0,0,20, |
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|0,0,0,0,0, |
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|]; % Transport link jitter between data centers |
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array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
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|0,0,6,6,7, |
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|0,0,0,6,7, |
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|0,0,0,0,7, |
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|0,0,0,0,0, |
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|]; % Transport link price list |
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array[Vims] of int: vim_price_list_1 = [50,51,52,53,54]; |
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array[Vims] of int: vim_price_list_2 = [20,21,22,23,24]; |
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array[Vims] of int: vim_price_list_3 = [70,71,72,73,74]; |
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array[Vims] of int: vim_price_list_4 = [40,41,42,43,44]; |
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% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
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% NOTE. This is not applicable in OSM Release 7 |
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|
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% This is the SERVICE CONSUMPTION MODEL |
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% These are the variables, i.e. which DC to select for each VNF |
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var Vims: VNF1; |
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var Vims: VNF2; |
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var Vims: VNF3; |
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var Vims: VNF4; |
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|
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|
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% These are the set of rules for selecting DCs to VNFs |
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constraint trp_link_latency[VNF1, VNF2] <= 150; |
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constraint trp_link_latency[VNF2, VNF3] <= 140; |
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constraint trp_link_latency[VNF3, VNF4] <= 130; |
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constraint trp_link_jitter[VNF1, VNF2] <= 30; |
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constraint trp_link_jitter[VNF2, VNF3] <= 30; |
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constraint trp_link_jitter[VNF3, VNF4] <= 30; |
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% Calculate the cost for VNFs and cost for transport link and total cost |
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var int: used_transport_cost =trp_link_price_list[VNF1, VNF2]+ |
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trp_link_price_list[VNF2, VNF3]+ |
366 |
|
trp_link_price_list[VNF3, VNF4]; |
367 |
|
|
368 |
|
var int: used_vim_cost =vim_price_list_1[VNF1]+ |
369 |
|
vim_price_list_2[VNF2]+ |
370 |
|
vim_price_list_3[VNF3]+ |
371 |
|
vim_price_list_4[VNF4]; |
372 |
|
|
373 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
374 |
|
|
375 |
|
solve minimize total_cost; |
376 |
|
""" |
377 |
1 |
expected_model_fragment_str = """ |
378 |
|
%This is the NETWORK RESOURCE MODEL |
379 |
|
enum Vims = { |
380 |
|
vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
381 |
|
vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
382 |
|
vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
383 |
|
vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
384 |
|
vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
385 |
|
array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
386 |
|
|0,0,100,150,200, |
387 |
|
|0,0,0,150,200, |
388 |
|
|0,0,0,0,200, |
389 |
|
|0,0,0,0,0, |
390 |
|
|]; % Transport link latency between data centers |
391 |
|
array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
392 |
|
|0,0,10,15,20, |
393 |
|
|0,0,0,15,20, |
394 |
|
|0,0,0,0,20, |
395 |
|
|0,0,0,0,0, |
396 |
|
|]; % Transport link jitter between data centers |
397 |
|
array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
398 |
|
|0,0,6,6,7, |
399 |
|
|0,0,0,6,7, |
400 |
|
|0,0,0,0,7, |
401 |
|
|0,0,0,0,0, |
402 |
|
|]; % Transport link price list |
403 |
|
array[Vims] of int: vim_price_list_one = [50,51,52,53,54]; |
404 |
|
array[Vims] of int: vim_price_list_two = [20,21,22,23,24]; |
405 |
|
array[Vims] of int: vim_price_list_three = [70,71,72,73,74]; |
406 |
|
array[Vims] of int: vim_price_list_four = [40,41,42,43,44]; |
407 |
|
|
408 |
|
|
409 |
|
% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
410 |
|
% NOTE. This is not applicable in OSM Release 7 |
411 |
|
|
412 |
|
% This is the SERVICE CONSUMPTION MODEL |
413 |
|
% These are the variables, i.e. which DC to select for each VNF |
414 |
|
var Vims: VNFone; |
415 |
|
var Vims: VNFtwo; |
416 |
|
var Vims: VNFthree; |
417 |
|
var Vims: VNFfour; |
418 |
|
|
419 |
|
|
420 |
|
% These are the set of rules for selecting DCs to VNFs |
421 |
|
constraint trp_link_latency[VNFone, VNFtwo] <= 150; |
422 |
|
constraint trp_link_latency[VNFtwo, VNFthree] <= 140; |
423 |
|
constraint trp_link_latency[VNFthree, VNFfour] <= 130; |
424 |
|
constraint trp_link_jitter[VNFone, VNFtwo] <= 30; |
425 |
|
constraint trp_link_jitter[VNFtwo, VNFthree] <= 30; |
426 |
|
constraint trp_link_jitter[VNFthree, VNFfour] <= 30; |
427 |
|
|
428 |
|
% Calculate the cost for VNFs and cost for transport link and total cost |
429 |
|
var int: used_transport_cost =trp_link_price_list[VNFone, VNFtwo]+ |
430 |
|
trp_link_price_list[VNFtwo, VNFthree]+ |
431 |
|
trp_link_price_list[VNFthree, VNFfour]; |
432 |
|
|
433 |
|
var int: used_vim_cost =vim_price_list_one[VNFone]+ |
434 |
|
vim_price_list_two[VNFtwo]+ |
435 |
|
vim_price_list_three[VNFthree]+ |
436 |
|
vim_price_list_four[VNFfour]; |
437 |
|
|
438 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
439 |
|
|
440 |
|
solve minimize total_cost; |
441 |
|
""" |
442 |
|
|
443 |
1 |
expected_model_fragment_str_no_vld_constraints = """ |
444 |
|
%This is the NETWORK RESOURCE MODEL |
445 |
|
enum Vims = { |
446 |
|
vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
447 |
|
vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
448 |
|
vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
449 |
|
vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
450 |
|
vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
451 |
|
array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
452 |
|
|0,0,100,150,200, |
453 |
|
|0,0,0,150,200, |
454 |
|
|0,0,0,0,200, |
455 |
|
|0,0,0,0,0, |
456 |
|
|]; % Transport link latency between data centers |
457 |
|
array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
458 |
|
|0,0,10,15,20, |
459 |
|
|0,0,0,15,20, |
460 |
|
|0,0,0,0,20, |
461 |
|
|0,0,0,0,0, |
462 |
|
|]; % Transport link jitter between data centers |
463 |
|
array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
464 |
|
|0,0,6,6,7, |
465 |
|
|0,0,0,6,7, |
466 |
|
|0,0,0,0,7, |
467 |
|
|0,0,0,0,0, |
468 |
|
|]; % Transport link price list |
469 |
|
array[Vims] of int: vim_price_list_one = [50,51,52,53,54]; |
470 |
|
array[Vims] of int: vim_price_list_two = [20,21,22,23,24]; |
471 |
|
array[Vims] of int: vim_price_list_three = [70,71,72,73,74]; |
472 |
|
array[Vims] of int: vim_price_list_four = [40,41,42,43,44]; |
473 |
|
|
474 |
|
|
475 |
|
% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
476 |
|
% NOTE. This is not applicable in OSM Release 7 |
477 |
|
|
478 |
|
% This is the SERVICE CONSUMPTION MODEL |
479 |
|
% These are the variables, i.e. which DC to select for each VNF |
480 |
|
var Vims: VNFone; |
481 |
|
var Vims: VNFtwo; |
482 |
|
var Vims: VNFthree; |
483 |
|
var Vims: VNFfour; |
484 |
|
|
485 |
|
|
486 |
|
% These are the set of rules for selecting DCs to VNFs |
487 |
|
|
488 |
|
% Calculate the cost for VNFs and cost for transport link and total cost |
489 |
|
var int: used_transport_cost =trp_link_price_list[VNFone, VNFtwo]+ |
490 |
|
trp_link_price_list[VNFtwo, VNFthree]+ |
491 |
|
trp_link_price_list[VNFthree, VNFfour]; |
492 |
|
|
493 |
|
var int: used_vim_cost =vim_price_list_one[VNFone]+ |
494 |
|
vim_price_list_two[VNFtwo]+ |
495 |
|
vim_price_list_three[VNFthree]+ |
496 |
|
vim_price_list_four[VNFfour]; |
497 |
|
|
498 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
499 |
|
|
500 |
|
solve minimize total_cost; |
501 |
|
""" |
502 |
|
|
503 |
1 |
expected_model_fragment_w_pinning = """ |
504 |
|
%This is the NETWORK RESOURCE MODEL |
505 |
|
enum Vims = { |
506 |
|
vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
507 |
|
vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
508 |
|
vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
509 |
|
vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
510 |
|
vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
511 |
|
array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
512 |
|
|0,0,100,150,200, |
513 |
|
|0,0,0,150,200, |
514 |
|
|0,0,0,0,200, |
515 |
|
|0,0,0,0,0, |
516 |
|
|]; % Transport link latency between data centers |
517 |
|
array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
518 |
|
|0,0,10,15,20, |
519 |
|
|0,0,0,15,20, |
520 |
|
|0,0,0,0,20, |
521 |
|
|0,0,0,0,0, |
522 |
|
|]; % Transport link jitter between data centers |
523 |
|
array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
524 |
|
|0,0,6,6,7, |
525 |
|
|0,0,0,6,7, |
526 |
|
|0,0,0,0,7, |
527 |
|
|0,0,0,0,0, |
528 |
|
|]; % Transport link price list |
529 |
|
array[Vims] of int: vim_price_list_1 = [50,51,52,53,54]; |
530 |
|
array[Vims] of int: vim_price_list_2 = [20,21,22,23,24]; |
531 |
|
array[Vims] of int: vim_price_list_3 = [70,71,72,73,74]; |
532 |
|
array[Vims] of int: vim_price_list_4 = [40,41,42,43,44]; |
533 |
|
|
534 |
|
|
535 |
|
% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
536 |
|
% NOTE. This is not applicable in OSM Release 7 |
537 |
|
|
538 |
|
% This is the SERVICE CONSUMPTION MODEL |
539 |
|
% These are the variables, i.e. which DC to select for each VNF |
540 |
|
var Vims: VNF1; |
541 |
|
Vims: VNF2 = vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87; |
542 |
|
var Vims: VNF3; |
543 |
|
Vims: VNF4 = vimcccccccc_ed84_4e49_b5df_a9d117bd731f; |
544 |
|
|
545 |
|
|
546 |
|
% These are the set of rules for selecting DCs to VNFs |
547 |
|
constraint trp_link_latency[VNF1, VNF2] <= 150; |
548 |
|
constraint trp_link_latency[VNF2, VNF3] <= 140; |
549 |
|
constraint trp_link_latency[VNF3, VNF4] <= 130; |
550 |
|
constraint trp_link_jitter[VNF1, VNF2] <= 30; |
551 |
|
constraint trp_link_jitter[VNF2, VNF3] <= 30; |
552 |
|
constraint trp_link_jitter[VNF3, VNF4] <= 30; |
553 |
|
|
554 |
|
% Calculate the cost for VNFs and cost for transport link and total cost |
555 |
|
var int: used_transport_cost =trp_link_price_list[VNF1, VNF2]+ |
556 |
|
trp_link_price_list[VNF2, VNF3]+ |
557 |
|
trp_link_price_list[VNF3, VNF4]; |
558 |
|
|
559 |
|
var int: used_vim_cost =vim_price_list_1[VNF1]+ |
560 |
|
vim_price_list_2[VNF2]+ |
561 |
|
vim_price_list_3[VNF3]+ |
562 |
|
vim_price_list_4[VNF4]; |
563 |
|
|
564 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
565 |
|
|
566 |
|
solve minimize total_cost; |
567 |
|
""" |
568 |
|
|
569 |
1 |
expected_model_fragment_w_pinning_str = """ |
570 |
|
%This is the NETWORK RESOURCE MODEL |
571 |
|
enum Vims = { |
572 |
|
vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
573 |
|
vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
574 |
|
vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
575 |
|
vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
576 |
|
vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
577 |
|
array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
578 |
|
|0,0,100,150,200, |
579 |
|
|0,0,0,150,200, |
580 |
|
|0,0,0,0,200, |
581 |
|
|0,0,0,0,0, |
582 |
|
|]; % Transport link latency between data centers |
583 |
|
array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
584 |
|
|0,0,10,15,20, |
585 |
|
|0,0,0,15,20, |
586 |
|
|0,0,0,0,20, |
587 |
|
|0,0,0,0,0, |
588 |
|
|]; % Transport link jitter between data centers |
589 |
|
array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
590 |
|
|0,0,6,6,7, |
591 |
|
|0,0,0,6,7, |
592 |
|
|0,0,0,0,7, |
593 |
|
|0,0,0,0,0, |
594 |
|
|]; % Transport link price list |
595 |
|
array[Vims] of int: vim_price_list_one = [50,51,52,53,54]; |
596 |
|
array[Vims] of int: vim_price_list_two = [20,21,22,23,24]; |
597 |
|
array[Vims] of int: vim_price_list_three = [70,71,72,73,74]; |
598 |
|
array[Vims] of int: vim_price_list_four = [40,41,42,43,44]; |
599 |
|
|
600 |
|
|
601 |
|
% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
602 |
|
% NOTE. This is not applicable in OSM Release 7 |
603 |
|
|
604 |
|
% This is the SERVICE CONSUMPTION MODEL |
605 |
|
% These are the variables, i.e. which DC to select for each VNF |
606 |
|
var Vims: VNFone; |
607 |
|
Vims: VNFtwo = vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87; |
608 |
|
var Vims: VNFthree; |
609 |
|
Vims: VNFfour = vimcccccccc_ed84_4e49_b5df_a9d117bd731f; |
610 |
|
|
611 |
|
|
612 |
|
% These are the set of rules for selecting DCs to VNFs |
613 |
|
constraint trp_link_latency[VNFone, VNFtwo] <= 150; |
614 |
|
constraint trp_link_latency[VNFtwo, VNFthree] <= 140; |
615 |
|
constraint trp_link_latency[VNFthree, VNFfour] <= 130; |
616 |
|
constraint trp_link_jitter[VNFone, VNFtwo] <= 30; |
617 |
|
constraint trp_link_jitter[VNFtwo, VNFthree] <= 30; |
618 |
|
constraint trp_link_jitter[VNFthree, VNFfour] <= 30; |
619 |
|
|
620 |
|
% Calculate the cost for VNFs and cost for transport link and total cost |
621 |
|
var int: used_transport_cost =trp_link_price_list[VNFone, VNFtwo]+ |
622 |
|
trp_link_price_list[VNFtwo, VNFthree]+ |
623 |
|
trp_link_price_list[VNFthree, VNFfour]; |
624 |
|
|
625 |
|
var int: used_vim_cost =vim_price_list_one[VNFone]+ |
626 |
|
vim_price_list_two[VNFtwo]+ |
627 |
|
vim_price_list_three[VNFthree]+ |
628 |
|
vim_price_list_four[VNFfour]; |
629 |
|
|
630 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
631 |
|
|
632 |
|
solve minimize total_cost; |
633 |
|
""" |
634 |
|
|
635 |
1 |
expected_model_fragment_str_no_vld = """ |
636 |
|
%This is the NETWORK RESOURCE MODEL |
637 |
|
enum Vims = { |
638 |
|
vimaaaaaaaa_38f5_438d_b8ee_3f93b3531f87, |
639 |
|
vimbbbbbbbb_38f5_438d_b8ee_3f93b3531f87, |
640 |
|
vimcccccccc_ed84_4e49_b5df_a9d117bd731f, |
641 |
|
vimdddddddd_ed84_4e49_b5df_a9d117bd731f, |
642 |
|
vimeeeeeeee_38f5_438d_b8ee_3f93b3531f87}; % The vim-accounts |
643 |
|
array[Vims, Vims] of int: trp_link_latency = [|0,50,100,150,200, |
644 |
|
|0,0,100,150,200, |
645 |
|
|0,0,0,150,200, |
646 |
|
|0,0,0,0,200, |
647 |
|
|0,0,0,0,0, |
648 |
|
|]; % Transport link latency between data centers |
649 |
|
array[Vims, Vims] of int: trp_link_jitter = [|0,5,10,15,20, |
650 |
|
|0,0,10,15,20, |
651 |
|
|0,0,0,15,20, |
652 |
|
|0,0,0,0,20, |
653 |
|
|0,0,0,0,0, |
654 |
|
|]; % Transport link jitter between data centers |
655 |
|
array[Vims, Vims] of int: trp_link_price_list = [|0,5,6,6,7, |
656 |
|
|0,0,6,6,7, |
657 |
|
|0,0,0,6,7, |
658 |
|
|0,0,0,0,7, |
659 |
|
|0,0,0,0,0, |
660 |
|
|]; % Transport link price list |
661 |
|
array[Vims] of int: vim_price_list_one = [50,51,52,53,54]; |
662 |
|
|
663 |
|
|
664 |
|
% This is the NETWORK BASIC LOAD MODEL (CONSUMED) |
665 |
|
% NOTE. This is not applicable in OSM Release 7 |
666 |
|
|
667 |
|
% This is the SERVICE CONSUMPTION MODEL |
668 |
|
% These are the variables, i.e. which DC to select for each VNF |
669 |
|
|
670 |
|
var Vims: VNFone; |
671 |
|
|
672 |
|
% These are the set of rules for selecting DCs to VNFs |
673 |
|
|
674 |
|
% Calculate the cost for VNFs and cost for transport link and total cost |
675 |
|
var int: used_transport_cost =0; |
676 |
|
|
677 |
|
var int: used_vim_cost =vim_price_list_one[VNFone]; |
678 |
|
|
679 |
|
var int: total_cost = used_transport_cost + used_vim_cost; |
680 |
|
|
681 |
|
solve minimize total_cost; |
682 |
|
""" |
683 |
|
|
684 |
|
|
685 |
1 |
class TestMznModelGenerator(TestCase): |
686 |
1 |
def test_create_model(self): |
687 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
688 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
689 |
|
|
690 |
|
# so asserting exact content is difficult due to the datetime.now(), therefore we ignore the first lines |
691 |
1 |
self.assertTrue( |
692 |
|
expected_model_fragment_str.replace("\n", "") |
693 |
|
in mzn_model.replace("\n", ""), |
694 |
|
"faulty model generated", |
695 |
|
) |
696 |
|
|
697 |
1 |
def test_create_model_no_vld_constraints(self): |
698 |
|
""" |
699 |
|
instantiate w/o constraints in nsd or order params has a valid model |
700 |
|
:return: |
701 |
|
""" |
702 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
703 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str_no_vld_constraints) |
704 |
|
|
705 |
|
# so asserting exact content is difficult due to the datetime.now(), therefore we ignore the first lines |
706 |
1 |
self.assertTrue( |
707 |
|
expected_model_fragment_str_no_vld_constraints.replace("\n", "") |
708 |
|
in mzn_model.replace("\n", ""), |
709 |
|
"faulty model generated", |
710 |
|
) |
711 |
|
|
712 |
1 |
def test_create_model_w_pinning(self): |
713 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
714 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_w_pinning_str) |
715 |
|
|
716 |
|
# so asserting exact content is difficult due to the datetime.now(), therefore we ignore the first lines |
717 |
1 |
self.assertTrue( |
718 |
|
expected_model_fragment_w_pinning_str.replace("\n", "") |
719 |
|
in mzn_model.replace("\n", ""), |
720 |
|
"faulty model generated", |
721 |
|
) |
722 |
|
|
723 |
1 |
def test_create_model_no_vld(self): |
724 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
725 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str_no_vld) |
726 |
|
|
727 |
|
# so asserting exact content is difficult due to the datetime.now(), therefore we ignore the first lines |
728 |
1 |
self.assertTrue( |
729 |
|
expected_model_fragment_str_no_vld.replace("\n", "") |
730 |
|
in mzn_model.replace("\n", ""), |
731 |
|
"faulty model generated", |
732 |
|
) |
733 |
|
|
734 |
1 |
def test__load_jinja_template(self): |
735 |
|
""" |
736 |
|
|
737 |
|
add other test to check exception if template not loaded (e.g. invalid template name, |
738 |
|
perhaps also valid name but invalid content (in case jinja2 detects such things)) |
739 |
|
""" |
740 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
741 |
1 |
template = mg._load_jinja_template() # Note we use the default template |
742 |
1 |
self.assertTrue( |
743 |
|
isinstance(template, Template), "failed to load jinja2 template" |
744 |
|
) |
745 |
|
|
746 |
1 |
def test_vim_account_replace(self): |
747 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
748 |
1 |
nspd = test_ns_placement_data_str |
749 |
1 |
mzn_model = mg.create_model(nspd) |
750 |
|
|
751 |
1 |
expected = ( |
752 |
|
"%This is the NETWORK RESOURCE MODEL" + "\n" + "enum Vims = {" + "\n" |
753 |
|
) |
754 |
1 |
for val in test_ns_placement_data_str["vim_accounts"]: |
755 |
1 |
expected = expected + val.replace("-", "_") + ",\n" |
756 |
1 |
expected = expected[:-2] + "}; % The vim-accounts" |
757 |
1 |
res = re.findall(expected, mzn_model) |
758 |
1 |
self.assertEqual(1, len(res), "vim accounts didnt replace from - to _") |
759 |
|
|
760 |
1 |
def test_trp_link_price_list(self): |
761 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
762 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
763 |
|
|
764 |
1 |
expected = "array\\[Vims, Vims\\] of int: trp_link_price_list = \\[" |
765 |
1 |
for price_list in test_ns_placement_data_str["trp_link_price_list"]: |
766 |
1 |
expected = ( |
767 |
|
expected + "\\|" + (str(price_list)[1:-1]).replace(" ", "") + ",\n" |
768 |
|
) |
769 |
1 |
expected = expected + "\\|\\]; % Transport link price list" |
770 |
1 |
res = re.findall(expected, mzn_model) |
771 |
1 |
self.assertEqual(1, len(res), "price list is not correct") |
772 |
|
|
773 |
1 |
def test_link_latency(self): |
774 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
775 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
776 |
|
|
777 |
1 |
expected = "array\\[Vims, Vims\\] of int: trp_link_latency = \\[" |
778 |
1 |
for link_latency in test_ns_placement_data_str["trp_link_latency"]: |
779 |
1 |
expected = ( |
780 |
|
expected + "\\|" + (str(link_latency)[1:-1]).replace(" ", "") + ",\n" |
781 |
|
) |
782 |
1 |
expected = expected + "\\|\\]; % Transport link latency between data centers" |
783 |
1 |
res = re.findall(expected, mzn_model) |
784 |
1 |
self.assertEqual(1, len(res), "trp_link_latency values is not correct") |
785 |
|
|
786 |
1 |
def test_link_jitter(self): |
787 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
788 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
789 |
|
|
790 |
1 |
expected = "array\\[Vims, Vims\\] of int: trp_link_jitter = \\[" |
791 |
1 |
for link_jitter in test_ns_placement_data_str["trp_link_jitter"]: |
792 |
1 |
expected = ( |
793 |
|
expected + "\\|" + (str(link_jitter)[1:-1]).replace(" ", "") + ",\n" |
794 |
|
) |
795 |
1 |
expected = expected + "\\|\\]; % Transport link jitter between data centers" |
796 |
|
|
797 |
1 |
res = re.findall(expected, mzn_model) |
798 |
|
|
799 |
1 |
self.assertEqual(1, len(res), "trp_link_jitter values is not correct") |
800 |
|
|
801 |
1 |
def test_price_per_vim(self): |
802 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
803 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_w_pinning_str) |
804 |
|
|
805 |
1 |
expected = "" |
806 |
1 |
for price_list in test_ns_placement_data_w_pinning_str["ns_desc"]: |
807 |
1 |
expected += ( |
808 |
|
"array\\[Vims\\] of int: vim_price_list_" |
809 |
|
+ price_list.get("vnf_id") |
810 |
|
+ " = " |
811 |
|
) |
812 |
1 |
temp = str(price_list.get("vnf_price_per_vim"))[1:-1].replace(" ", "") |
813 |
1 |
expected += "\\[" + temp + "\\];\n" |
814 |
|
|
815 |
1 |
res = re.findall(expected, mzn_model) |
816 |
1 |
self.assertEqual(1, len(res), "mzn_model contains pinning") |
817 |
|
|
818 |
1 |
def test_pinning(self): |
819 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
820 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
821 |
|
|
822 |
1 |
expected = "" |
823 |
1 |
for pin_list in test_ns_placement_data_str["ns_desc"]: |
824 |
1 |
if pin_list.get("vim_account"): |
825 |
0 |
expected += ( |
826 |
|
"Vims: VNF" |
827 |
|
+ pin_list.get("vnf_id") |
828 |
|
+ " = " |
829 |
|
+ pin_list.get("vim_account") |
830 |
|
+ ";\n" |
831 |
|
) |
832 |
|
else: |
833 |
1 |
expected += "var Vims: VNF" + pin_list.get("vnf_id") + ";\n" |
834 |
|
|
835 |
1 |
res = re.findall(expected, mzn_model) |
836 |
1 |
self.assertEqual(1, len(res), "mzn_model has no pinning") |
837 |
|
|
838 |
1 |
def test__without_pinning(self): |
839 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
840 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_w_pinning_str) |
841 |
|
|
842 |
1 |
expected = "" |
843 |
1 |
for pin_list in test_ns_placement_data_w_pinning_str["ns_desc"]: |
844 |
1 |
if pin_list.get("vim_account"): |
845 |
1 |
expected += ( |
846 |
|
"Vims: VNF" |
847 |
|
+ pin_list.get("vnf_id") |
848 |
|
+ " = " |
849 |
|
+ pin_list.get("vim_account") |
850 |
|
+ ";\n" |
851 |
|
) |
852 |
|
else: |
853 |
1 |
expected += "var Vims: VNF" + pin_list.get("vnf_id") + ";\n" |
854 |
|
|
855 |
1 |
res = re.findall(expected, mzn_model) |
856 |
1 |
self.assertEqual(1, len(res), "mzn_model contains pinning") |
857 |
|
|
858 |
1 |
def test__without_constraints_for_jitter_and_latency(self): |
859 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
860 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str_no_vld_constraints) |
861 |
|
|
862 |
1 |
expected_latency = "constraint trp_link_latency" |
863 |
1 |
expected_jitter = "constraint trp_link_jitter" |
864 |
1 |
latency_or_jitter_was_found = 0 |
865 |
1 |
for l_o_j in test_ns_placement_data_str_no_vld_constraints["vld_desc"]: |
866 |
1 |
if l_o_j.get("latency") or l_o_j.get("jitter"): |
867 |
0 |
latency_or_jitter_was_found = 1 |
868 |
|
|
869 |
1 |
res_latency = re.findall(expected_latency, mzn_model) |
870 |
1 |
res_jitter = re.findall(expected_jitter, mzn_model) |
871 |
1 |
self.assertEqual( |
872 |
|
0, |
873 |
|
latency_or_jitter_was_found, |
874 |
|
"Jitter or latency was found in the test input", |
875 |
|
) |
876 |
1 |
self.assertEqual( |
877 |
|
0, len(res_latency), "constraint trp_link_latency was found in mzn_model" |
878 |
|
) |
879 |
1 |
self.assertEqual( |
880 |
|
0, len(res_jitter), "constraint trp_link_latency was found in mzn_model" |
881 |
|
) |
882 |
|
|
883 |
1 |
def test__constraints_for_jitter_and_latency(self): |
884 |
1 |
mg = MznModelGenerator(logging.getLogger(__name__)) |
885 |
1 |
mzn_model = mg.create_model(test_ns_placement_data_str) |
886 |
|
|
887 |
1 |
expected_latency = "" |
888 |
1 |
expected_jitter = "" |
889 |
1 |
latency_or_jitter_was_found = 0 |
890 |
1 |
for l_o_j in test_ns_placement_data_str["vld_desc"]: |
891 |
1 |
if not (l_o_j.get("latency") or l_o_j.get("jitter")): |
892 |
0 |
latency_or_jitter_was_found = 1 |
893 |
1 |
expected_latency += ( |
894 |
|
"constraint trp_link_latency" |
895 |
|
+ "\\[VNF" |
896 |
|
+ l_o_j.get("cp_refs")[0] |
897 |
|
+ ", VNF" |
898 |
|
+ l_o_j.get("cp_refs")[1] |
899 |
|
+ "\\] \\<= " |
900 |
|
+ str(l_o_j.get("latency")) |
901 |
|
+ ";\n\n" |
902 |
|
) |
903 |
|
|
904 |
1 |
expected_jitter += ( |
905 |
|
"constraint trp_link_jitter" |
906 |
|
+ "\\[VNF" |
907 |
|
+ l_o_j.get("cp_refs")[0] |
908 |
|
+ ", VNF" |
909 |
|
+ l_o_j.get("cp_refs")[1] |
910 |
|
+ "\\] \\<= " |
911 |
|
+ str(l_o_j.get("jitter")) |
912 |
|
+ ";\n\n" |
913 |
|
) |
914 |
|
|
915 |
1 |
res = re.findall(expected_latency + expected_jitter, mzn_model) |
916 |
1 |
self.assertEqual( |
917 |
|
0, |
918 |
|
latency_or_jitter_was_found, |
919 |
|
"Jitter or latency was not found in the test input", |
920 |
|
) |
921 |
1 |
self.assertEqual(1, len(res), "faulty model generated") |