| from time import time, sleep |
| |
| from google.protobuf.json_format import MessageToDict |
| |
| from voltha.protos.device_pb2 import Device |
| from tests.itests.voltha.rest_base import RestBase |
| from common.utils.consulhelpers import get_endpoint_from_consul |
| |
| LOCAL_CONSUL = "localhost:8500" |
| |
| |
| class TestDeviceStateChangeSequence(RestBase): |
| """ |
| The prerequisite for this test are: |
| 1. voltha ensemble is running |
| docker-compose -f compose/docker-compose-system-test.yml up -d |
| 2. ponsim olt is running with 1 OLT and 4 ONUs using device_type 'bal' |
| sudo -s |
| . ./env.sh |
| ./ponsim/main.py -v -o 4 -d bal |
| """ |
| |
| # Retrieve details of the REST entry point |
| rest_endpoint = get_endpoint_from_consul(LOCAL_CONSUL, 'envoy-8443') |
| |
| # Construct the base_url |
| base_url = 'https://' + rest_endpoint |
| |
| def wait_till(self, msg, predicate, interval=0.1, timeout=5.0): |
| deadline = time() + timeout |
| while time() < deadline: |
| if predicate(): |
| return |
| sleep(interval) |
| self.fail('Timed out while waiting for condition: {}'.format(msg)) |
| |
| def test_device_state_changes_scenarios(self): |
| |
| self.verify_prerequisites() |
| # Test basic scenario |
| |
| self.basic_scenario() |
| |
| def basic_scenario(self): |
| """ |
| Test the enable -> disable -> enable -> disable -> delete for OLT |
| """ |
| self.assert_no_device_present() |
| olt_id = self.add_olt_device() |
| self.verify_device_preprovisioned_state(olt_id) |
| self.enable_device(olt_id) |
| ldev_id = self.wait_for_logical_device(olt_id) |
| self.verify_logical_ports(ldev_id, 1) |
| olt_ids, _ = self.get_devices() |
| self.disable_device(olt_ids[0]) |
| self.assert_no_logical_device() |
| self.delete_device(olt_ids[0]) |
| self.assert_no_device_present() |
| |
| def verify_prerequisites(self): |
| # all we care is that Voltha is available via REST using the base uri |
| self.get('/api/v1') |
| |
| def get_devices(self): |
| devices = self.get('/api/v1/devices')['items'] |
| olt_ids = [] |
| onu_ids = [] |
| for d in devices: |
| if d['adapter'] == 'asfvolt16_olt': |
| olt_ids.append(d['id']) |
| return olt_ids, onu_ids |
| |
| def add_olt_device(self): |
| device = Device( |
| type='asfvolt16_olt', |
| host_and_port='172.17.0.1:50060' |
| ) |
| device = self.post('/api/v1/devices', MessageToDict(device), |
| expected_http_code=200) |
| return device['id'] |
| |
| def verify_device_preprovisioned_state(self, olt_id): |
| # we also check that so far what we read back is same as what we get |
| # back on create |
| device = self.get('/api/v1/devices/{}'.format(olt_id)) |
| self.assertNotEqual(device['id'], '') |
| self.assertEqual(device['adapter'], 'asfvolt16_olt') |
| self.assertEqual(device['admin_state'], 'PREPROVISIONED') |
| self.assertEqual(device['oper_status'], 'UNKNOWN') |
| |
| def enable_device(self, olt_id): |
| path = '/api/v1/devices/{}'.format(olt_id) |
| self.post(path + '/enable', expected_http_code=200) |
| device = self.get(path) |
| self.assertEqual(device['admin_state'], 'ENABLED') |
| |
| self.wait_till( |
| 'admin state moves to ACTIVATING or ACTIVE', |
| lambda: self.get(path)['oper_status'] in ('ACTIVATING', 'ACTIVE'), |
| timeout=0.5) |
| |
| # eventually, it shall move to active state and by then we shall have |
| # device details filled, connect_state set, and device ports created |
| ''' |
| # The check for ACTIVE is suppressed since the indications |
| # portion of the code is not yet ready. |
| self.wait_till( |
| 'admin state ACTIVE', |
| lambda: self.get(path)['oper_status'] == 'ACTIVE', |
| timeout=0.5) |
| device = self.get(path) |
| ''' |
| self.assertEqual(device['connect_status'], 'REACHABLE') |
| |
| ports = self.get(path + '/ports')['items'] |
| #self.assertEqual(len(ports), 2) |
| self.assertEqual(len(ports), 1) |
| |
| def wait_for_logical_device(self, olt_id): |
| # we shall find the logical device id from the parent_id of the olt |
| # (root) device |
| device = self.get( |
| '/api/v1/devices/{}'.format(olt_id)) |
| self.assertNotEqual(device['parent_id'], '') |
| logical_device = self.get( |
| '/api/v1/logical_devices/{}'.format(device['parent_id'])) |
| |
| # the logical device shall be linked back to the hard device, |
| # its ports too |
| self.assertEqual(logical_device['root_device_id'], device['id']) |
| |
| logical_ports = self.get( |
| '/api/v1/logical_devices/{}/ports'.format( |
| logical_device['id']) |
| )['items'] |
| self.assertGreaterEqual(len(logical_ports), 1) |
| logical_port = logical_ports[0] |
| self.assertEqual(logical_port['id'], 'nni') |
| self.assertEqual(logical_port['ofp_port']['name'], 'nni') |
| self.assertEqual(logical_port['ofp_port']['port_no'], 0) |
| self.assertEqual(logical_port['device_id'], device['id']) |
| self.assertEqual(logical_port['device_port_no'], 50) |
| return logical_device['id'] |
| |
| def verify_logical_ports(self, ldev_id, num_ports): |
| |
| # at this point we shall see num_ports logical ports on the |
| # logical device |
| logical_ports = self.get( |
| '/api/v1/logical_devices/{}/ports'.format(ldev_id) |
| )['items'] |
| self.assertGreaterEqual(len(logical_ports), num_ports) |
| |
| # verify that all logical ports are LIVE (state=4) |
| for lport in logical_ports: |
| self.assertEqual(lport['ofp_port']['state'], 4) |
| |
| def disable_device(self, id): |
| path = '/api/v1/devices/{}'.format(id) |
| self.post(path + '/disable', expected_http_code=200) |
| device = self.get(path) |
| self.assertEqual(device['admin_state'], 'DISABLED') |
| |
| self.wait_till( |
| 'operational state moves to UNKNOWN', |
| lambda: self.get(path)['oper_status'] == 'UNKNOWN', |
| timeout=0.5) |
| |
| # eventually, the connect_state should be UNREACHABLE |
| self.wait_till( |
| 'connest status UNREACHABLE', |
| lambda: self.get(path)['connect_status'] == 'UNREACHABLE', |
| timeout=0.5) |
| |
| # Device's ports should be INACTIVE |
| ports = self.get(path + '/ports')['items'] |
| #self.assertEqual(len(ports), 2) |
| self.assertEqual(len(ports), 1) |
| for p in ports: |
| self.assertEqual(p['admin_state'], 'DISABLED') |
| self.assertEqual(p['oper_status'], 'UNKNOWN') |
| |
| def delete_device(self, id): |
| path = '/api/v1/devices/{}'.format(id) |
| self.delete(path + '/delete', expected_http_code=200) |
| device = self.get(path, expected_http_code=200, grpc_status=5) |
| self.assertIsNone(device) |
| |
| def assert_no_device_present(self): |
| path = '/api/v1/devices' |
| devices = self.get(path)['items'] |
| self.assertEqual(devices, []) |
| |
| def assert_no_logical_device(self): |
| path = '/api/v1/logical_devices' |
| ld = self.get(path)['items'] |
| self.assertEqual(ld, []) |