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test_e2e_11_mef_eline.py
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test_e2e_11_mef_eline.py
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import json
import time
import pytest
import requests
from tests.helpers import NetworkTest
CONTROLLER = '127.0.0.1'
KYTOS_API = 'http://%s:8181/api/kytos' % (CONTROLLER)
# BasicFlows
# Each should have at least 3 flows, considering topology 'ring4':
# - 01 for LLDP
# - 02 for amlight/coloring (node degree - number of neighbors)
BASIC_FLOWS = 3
class TestE2EMefEline:
net = None
def setup_method(self, method):
"""
It is called at the beginning of every class method execution
"""
# Since some tests may set a link to down state, we should reset
# the link state to up (for all links)
self.net.config_all_links_up()
# Start the controller setting an environment in
# which all elements are disabled in a clean setting
self.net.restart_kytos_clean()
self.net.wait_switches_connect()
time.sleep(10)
@classmethod
def setup_class(cls):
cls.net = NetworkTest(CONTROLLER, topo_name='ring4')
cls.net.start()
cls.net.restart_kytos_clean()
cls.net.wait_switches_connect()
time.sleep(10)
@classmethod
def teardown_class(cls):
cls.net.stop()
def test_005_on_primary_path_fail_should_migrate_to_backup(self):
# TODO Check for false positives between uni_a switch 1 and uni_z switch 3 instead of switch 2
""" When the primary_path is down and backup_path exists and is UP
the circuit will change from primary_path to backup_path. """
payload = {
"name": "my evc1",
"enabled": True,
"uni_a": {
"interface_id": "00:00:00:00:00:00:00:01:1",
"tag": {
"tag_type": 1,
"value": 101
}
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:02:1",
"tag": {
"tag_type": "vlan",
"value": 101
}
},
"primary_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:3"}}
],
"backup_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:4"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:04:4"}},
{"endpoint_a": {"id": "00:00:00:00:00:00:00:04:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:03:4"}},
{"endpoint_a": {"id": "00:00:00:00:00:00:00:03:1"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:4"}}
]
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
response = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert response.status_code == 201, response.text
time.sleep(10)
# Command to up/down links to test if back-up path is taken
self.net.net.configLinkStatus('s1', 's2', 'down')
# Wait just a few seconds to give time to the controller receive and process the linkDown event
time.sleep(10)
# Check on the virtual switches directly for flows
s1, s2, s3, s4 = self.net.net.get('s1', 's2', 's3', 's4')
flows_s1 = s1.dpctl('dump-flows')
flows_s2 = s2.dpctl('dump-flows')
flows_s3 = s3.dpctl('dump-flows')
flows_s4 = s4.dpctl('dump-flows')
assert len(flows_s1.split('\r\n ')) == BASIC_FLOWS + 2, flows_s1
assert len(flows_s2.split('\r\n ')) == BASIC_FLOWS + 2, flows_s2
assert len(flows_s3.split('\r\n ')) == BASIC_FLOWS + 2, flows_s3
assert len(flows_s4.split('\r\n ')) == BASIC_FLOWS + 2, flows_s4
# Nodes should be able to ping each other
h1, h3 = self.net.net.get('h1', 'h3')
h1.cmd('ip link add link %s name vlan101 type vlan id 101' % (h1.intfNames()[0]))
h1.cmd('ip link set up vlan101')
h1.cmd('ip addr add 101.0.0.1/24 dev vlan101')
h3.cmd('ip link add link %s name vlan101 type vlan id 101' % (h3.intfNames()[0]))
h3.cmd('ip link set up vlan101')
h3.cmd('ip addr add 101.0.0.3/24 dev vlan101')
result = h1.cmd('ping -c1 101.0.0.3')
assert ', 0% packet loss,' in result
# Clean up
h1.cmd('ip link del vlan101')
h3.cmd('ip link del vlan101')
def test_010_on_primary_path_fail_should_migrate_to_backup_with_dynamic_discovery_enabled(self):
""" When the primary_path is down and backup_path exists and is UP
the circuit will change from primary_path to backup_path with dynamic_discovery_enabled. """
payload = {
"name": "my evc1",
"enabled": True,
"uni_a": {
"interface_id": "00:00:00:00:00:00:00:01:1",
"tag": {
"tag_type": 1,
"value": 101
}
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:02:1",
"tag": {
"tag_type": "vlan",
"value": 101
}
},
"primary_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:3"}}
],
"dynamic_backup_path": True
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
r = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert r.status_code == 201, r.text
time.sleep(10)
# Command to disable links to test if back-up path is taken with the following command:
self.net.net.configLinkStatus('s1', 's2', 'down')
time.sleep(10)
# Check on the virtual switches directly for flows
s1, s2, s3, s4 = self.net.net.get('s1', 's2', 's3', 's4')
flows_s1 = s1.dpctl('dump-flows')
flows_s2 = s2.dpctl('dump-flows')
flows_s3 = s3.dpctl('dump-flows')
flows_s4 = s4.dpctl('dump-flows')
assert len(flows_s1.split('\r\n ')) == BASIC_FLOWS + 2, flows_s1
assert len(flows_s2.split('\r\n ')) == BASIC_FLOWS + 2, flows_s2
assert len(flows_s3.split('\r\n ')) == BASIC_FLOWS + 2, flows_s3
assert len(flows_s4.split('\r\n ')) == BASIC_FLOWS + 2, flows_s4
# Nodes should be able to ping each other
h1, h3 = self.net.net.get('h1', 'h3')
h1.cmd('ip link add link %s name vlan101 type vlan id 101' % (h1.intfNames()[0]))
h1.cmd('ip link set up vlan101')
h1.cmd('ip addr add 101.0.0.1/24 dev vlan101')
h3.cmd('ip link add link %s name vlan101 type vlan id 101' % (h3.intfNames()[0]))
h3.cmd('ip link set up vlan101')
h3.cmd('ip addr add 101.0.0.3/24 dev vlan101')
result = h1.cmd('ping -c1 101.0.0.3')
assert ', 0% packet loss,' in result
# Clean up
h1.cmd('ip link del vlan101')
h3.cmd('ip link del vlan101')
def test_015_evc_inter_switch_without_VLAN_tag(self):
payload = {
"name": "my evc1",
"enabled": True,
"uni_a": {
"interface_id": "00:00:00:00:00:00:00:01:1",
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:02:1"
},
"primary_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:3"}}
],
"backup_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:4"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:04:4"}},
{"endpoint_a": {"id": "00:00:00:00:00:00:00:04:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:03:4"}},
{"endpoint_a": {"id": "00:00:00:00:00:00:00:03:1"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:4"}}
]
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
r = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert r.status_code == 201, r.text
time.sleep(10)
# Command to disable links to test if back-up path is taken with the following command:
self.net.net.configLinkStatus('s1', 's2', 'down')
time.sleep(10)
# Check on the virtual switches directly for flows
s1, s2, s3, s4 = self.net.net.get('s1', 's2', 's3', 's4')
flows_s1 = s1.dpctl('dump-flows')
flows_s2 = s2.dpctl('dump-flows')
flows_s3 = s3.dpctl('dump-flows')
flows_s4 = s4.dpctl('dump-flows')
assert len(flows_s1.split('\r\n ')) == BASIC_FLOWS + 2, flows_s1
assert len(flows_s2.split('\r\n ')) == BASIC_FLOWS + 2, flows_s2
assert len(flows_s3.split('\r\n ')) == BASIC_FLOWS + 2, flows_s3
assert len(flows_s4.split('\r\n ')) == BASIC_FLOWS + 2, flows_s4
# Nodes should be able to ping each other
h1, h3 = self.net.net.get('h1', 'h3')
h1.cmd('ip link add link %s name vlan101 type vlan id 101' % (h1.intfNames()[0]))
h1.cmd('ip link set up vlan101')
h1.cmd('ip addr add 101.0.0.1/24 dev vlan101')
h3.cmd('ip link add link %s name vlan101 type vlan id 101' % (h3.intfNames()[0]))
h3.cmd('ip link set up vlan101')
h3.cmd('ip addr add 101.0.0.3/24 dev vlan101')
result = h1.cmd('ping -c1 101.0.0.3')
assert ', 0% packet loss,' in result
# clean up
h1.cmd('ip link del vlan101')
h3.cmd('ip link del vlan101')
def test_020_evc_intra_switch_without_VLAN_tag(self):
# send evc_req and get circuit_id
payload = {
"name": "my evc1",
"enabled": True,
"uni_a": {
"interface_id": "00:00:00:00:00:00:00:01:1"
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:01:2"
}
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
response = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert response.status_code == 201, response.text
time.sleep(10)
# Check on the virtual switches directly for flows.
s1, s2, s3, s4 = self.net.net.get('s1', 's2', 's3', 's4')
flows_s1 = s1.dpctl('dump-flows')
flows_s2 = s2.dpctl('dump-flows')
flows_s3 = s3.dpctl('dump-flows')
flows_s4 = s4.dpctl('dump-flows')
assert len(flows_s1.split('\r\n ')) == BASIC_FLOWS + 2, flows_s1
assert len(flows_s2.split('\r\n ')) == BASIC_FLOWS, flows_s2
assert len(flows_s3.split('\r\n ')) == BASIC_FLOWS, flows_s3
assert len(flows_s4.split('\r\n ')) == BASIC_FLOWS, flows_s4
# Nodes should be able to ping each other
h1, h2 = self.net.net.get('h1', 'h2')
h1.cmd('ip link add link %s name vlan101 type vlan id 101' % (h1.intfNames()[0]))
h1.cmd('ip link set up vlan101')
h1.cmd('ip addr add 101.0.0.1/24 dev vlan101')
h2.cmd('ip link add link %s name vlan101 type vlan id 101' % (h2.intfNames()[0]))
h2.cmd('ip link set up vlan101')
h2.cmd('ip addr add 101.0.0.3/24 dev vlan101')
result = h1.cmd('ping -c1 101.0.0.3')
assert ', 0% packet loss,' in result
# Clean up
h1.cmd('ip link del vlan101')
h2.cmd('ip link del vlan101')
def test_025_should_fail_due_to_invalid_attribute_on_payload(self):
payload = {
"name": "my evc1",
"enabled": True,
"uni_a": {
"interface_id": "00:00:00:00:00:00:00:01:1",
"tag": {
"tag_type": "vlan",
"value": 101
}
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:02:1",
"tag": {
"tag_type": 1,
"value": 101
}
},
"primary_path": [
{"endpoint_a": {"id": "00:00:00:00:00:00:00:01:3"},
"endpoint_b": {"id": "00:00:00:00:00:00:00:02:2"}}
],
"dynamic_backup_path": True,
"active": True,
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
response = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert response.status_code == 400, response.text
data = response.json()
expected_desc = "Additional properties are not allowed ('active' was unexpected)"
assert data["code"] == 400
assert expected_desc in data["description"]
def test_026_validate_bad_request_response_format(self):
"""Test bad request response shape format."""
payload = {
"name": "epl",
"dynamic_backup_path": True,
"uni_a": {
"interface_id": 1
},
"uni_z": {
"interface_id": "00:00:00:00:00:00:00:03:1"
}
}
api_url = KYTOS_API + '/mef_eline/v2/evc/'
response = requests.post(api_url, data=json.dumps(payload), headers={'Content-type': 'application/json'})
assert response.status_code == 400, response.text
data = response.json()
assert data["code"] == 400
assert "The request body contains invalid API data" in data["description"]
assert "not of type" in data["description"]
assert "1 is not of type 'string'" in data["description"]