| Matt Jeanneret | 58f7a55 | 2018-10-02 07:00:27 -0400 | [diff] [blame] | 1 | # Copyright 2017-present Open Networking Foundation |
| 2 | # |
| 3 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | # you may not use this file except in compliance with the License. |
| 5 | # You may obtain a copy of the License at |
| 6 | # |
| 7 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | # |
| 9 | # Unless required by applicable law or agreed to in writing, software |
| 10 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | # See the License for the specific language governing permissions and |
| 13 | # limitations under the License. |
| 14 | from copy import copy |
| 15 | from random import randint, seed |
| 16 | from time import time |
| 17 | from unittest import main, TestCase |
| 18 | import json |
| 19 | |
| 20 | from voltha.core.config.config_root import ConfigRoot |
| 21 | from voltha.protos.openflow_13_pb2 import ofp_desc |
| 22 | from voltha.protos.voltha_pb2 import VolthaInstance, HealthStatus, Adapter, \ |
| 23 | AdapterConfig, LogicalDevice |
| 24 | |
| 25 | |
| 26 | n_adapters = 1000 |
| 27 | n_logical_nodes = 1000 |
| 28 | |
| 29 | |
| 30 | class TestPersistence(TestCase): |
| 31 | |
| 32 | def pump_some_data(self, node): |
| 33 | seed(0) |
| 34 | node.update('/', VolthaInstance( |
| 35 | instance_id='1', |
| 36 | version='42', |
| 37 | log_level=1 |
| 38 | )) |
| 39 | node.update('/health', HealthStatus(state=HealthStatus.OVERLOADED)) |
| 40 | for i in xrange(n_adapters): |
| 41 | node.add('/adapters', Adapter( |
| 42 | id=str(i), |
| 43 | vendor='cord', |
| 44 | version=str(randint(1, 10)), |
| 45 | config=AdapterConfig( |
| 46 | log_level=0 |
| 47 | ) |
| 48 | )) |
| 49 | for i in xrange(n_logical_nodes): |
| 50 | node.add('/logical_devices', LogicalDevice( |
| 51 | id=str(i), |
| 52 | datapath_id=randint(1, 100000), |
| 53 | desc=ofp_desc( |
| 54 | mfr_desc='foo', |
| 55 | hw_desc='bar', |
| 56 | sw_desc='zoo' |
| 57 | ) |
| 58 | )) |
| 59 | |
| 60 | def test_inmemory_kv_store(self): |
| 61 | t0 = [time()] |
| 62 | def pt(msg=''): |
| 63 | t1 = time() |
| 64 | print '%20.8f ms - %s' % (1000 * (t1 - t0[0]), msg) |
| 65 | t0[0] = t1 |
| 66 | |
| 67 | kv_store = dict() |
| 68 | |
| 69 | # create node and pump data |
| 70 | node = ConfigRoot(VolthaInstance(), kv_store=kv_store) |
| 71 | node.tag('original') |
| 72 | pt('init') |
| 73 | self.pump_some_data(node) |
| 74 | pt('pump') |
| 75 | node.tag('pumped') |
| 76 | |
| 77 | # check that content of kv_store looks ok |
| 78 | size1 = len(kv_store) |
| 79 | self.assertEqual(size1, 14 + 3 * (n_adapters + n_logical_nodes)) |
| 80 | |
| 81 | # this should actually drop if we pune |
| 82 | node.prune_untagged() |
| 83 | pt('prunning') |
| 84 | |
| 85 | size2 = len(kv_store) |
| 86 | self.assertEqual(size2, 7 + 2 * (1 + 1 + n_adapters + n_logical_nodes) + 2) |
| 87 | all_latest_data = node.get('/', deep=1) |
| 88 | pt('deep get') |
| 89 | |
| 90 | # save dict so that deleting the node will not wipe it |
| 91 | latest_hash = node.latest.hash |
| 92 | kv_store = copy(kv_store) |
| 93 | pt('copy kv store') |
| 94 | del node |
| 95 | pt('delete node') |
| 96 | # self.assertEqual(size2, 1 + 2 * (1 + 1 + n_adapters + n_logical_nodes)) |
| 97 | |
| 98 | self.assertEqual(json.loads(kv_store['root'])['latest'], latest_hash) |
| 99 | # recreate tree from persistence |
| 100 | node = ConfigRoot.load(VolthaInstance, kv_store) |
| 101 | pt('load from kv store') |
| 102 | self.assertEqual(node.get('/', deep=1), all_latest_data) |
| 103 | pt('deep get') |
| 104 | self.assertEqual(latest_hash, node.latest.hash) |
| 105 | self.assertEqual(node.tags, ['original', 'pumped']) |
| 106 | |
| 107 | |
| 108 | if __name__ == '__main__': |
| 109 | main() |