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# Copyright (c) 2023-2024 Arista Networks, Inc.
# Use of this source code is governed by the Apache License 2.0
# that can be found in the LICENSE file.
"""
Test functions related to VXLAN
"""
# Mypy does not understand AntaTest.Input typing
# mypy: disable-error-code=attr-defined
from ipaddress import IPv4Address
# Need to keep List and Dict for pydantic in python 3.8
from typing import Dict, List
from pydantic import Field
from anta.custom_types import Vlan, Vni, VxlanSrcIntf
from anta.models import AntaCommand, AntaTest
from anta.tools.get_value import get_value
class VerifyVxlan1Interface(AntaTest):
"""
This test verifies if the Vxlan1 interface is configured and 'up/up'.
!!! warning
The name of this test has been updated from 'VerifyVxlan' for better representation.
Expected Results:
* success: The test will pass if the Vxlan1 interface is configured with line protocol status and interface status 'up'.
* failure: The test will fail if the Vxlan1 interface line protocol status or interface status are not 'up'.
* skipped: The test will be skipped if the Vxlan1 interface is not configured.
"""
name = "VerifyVxlan1Interface"
description = "Verifies the Vxlan1 interface status."
categories = ["vxlan"]
commands = [AntaCommand(command="show interfaces description", ofmt="json")]
@AntaTest.anta_test
def test(self) -> None:
command_output = self.instance_commands[0].json_output
if "Vxlan1" not in command_output["interfaceDescriptions"]:
self.result.is_skipped("Vxlan1 interface is not configured")
elif (
command_output["interfaceDescriptions"]["Vxlan1"]["lineProtocolStatus"] == "up"
and command_output["interfaceDescriptions"]["Vxlan1"]["interfaceStatus"] == "up"
):
self.result.is_success()
else:
self.result.is_failure(
f"Vxlan1 interface is {command_output['interfaceDescriptions']['Vxlan1']['lineProtocolStatus']}"
f"/{command_output['interfaceDescriptions']['Vxlan1']['interfaceStatus']}"
)
class VerifyVxlanConfigSanity(AntaTest):
"""
This test verifies that no issues are detected with the VXLAN configuration.
Expected Results:
* success: The test will pass if no issues are detected with the VXLAN configuration.
* failure: The test will fail if issues are detected with the VXLAN configuration.
* skipped: The test will be skipped if VXLAN is not configured on the device.
"""
name = "VerifyVxlanConfigSanity"
description = "Verifies there are no VXLAN config-sanity inconsistencies."
categories = ["vxlan"]
commands = [AntaCommand(command="show vxlan config-sanity", ofmt="json")]
@AntaTest.anta_test
def test(self) -> None:
command_output = self.instance_commands[0].json_output
if "categories" not in command_output or len(command_output["categories"]) == 0:
self.result.is_skipped("VXLAN is not configured")
return
failed_categories = {
category: content
for category, content in command_output["categories"].items()
if category in ["localVtep", "mlag", "pd"] and content["allCheckPass"] is not True
}
if len(failed_categories) > 0:
self.result.is_failure(f"VXLAN config sanity check is not passing: {failed_categories}")
else:
self.result.is_success()
class VerifyVxlanVniBinding(AntaTest):
"""
This test verifies the VNI-VLAN bindings of the Vxlan1 interface.
Expected Results:
* success: The test will pass if the VNI-VLAN bindings provided are properly configured.
* failure: The test will fail if any VNI lacks bindings or if any bindings are incorrect.
* skipped: The test will be skipped if the Vxlan1 interface is not configured.
"""
name = "VerifyVxlanVniBinding"
description = "Verifies the VNI-VLAN bindings of the Vxlan1 interface."
categories = ["vxlan"]
commands = [AntaCommand(command="show vxlan vni", ofmt="json")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
bindings: Dict[Vni, Vlan]
"""VNI to VLAN bindings to verify"""
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
no_binding = []
wrong_binding = []
if (vxlan1 := get_value(self.instance_commands[0].json_output, "vxlanIntfs.Vxlan1")) is None:
self.result.is_skipped("Vxlan1 interface is not configured")
return
for vni, vlan in self.inputs.bindings.items():
vni = str(vni)
if vni in vxlan1["vniBindings"]:
retrieved_vlan = vxlan1["vniBindings"][vni]["vlan"]
elif vni in vxlan1["vniBindingsToVrf"]:
retrieved_vlan = vxlan1["vniBindingsToVrf"][vni]["vlan"]
else:
no_binding.append(vni)
retrieved_vlan = None
if retrieved_vlan and vlan != retrieved_vlan:
wrong_binding.append({vni: retrieved_vlan})
if no_binding:
self.result.is_failure(f"The following VNI(s) have no binding: {no_binding}")
if wrong_binding:
self.result.is_failure(f"The following VNI(s) have the wrong VLAN binding: {wrong_binding}")
class VerifyVxlanVtep(AntaTest):
"""
This test verifies the VTEP peers of the Vxlan1 interface.
Expected Results:
* success: The test will pass if all provided VTEP peers are identified and matching.
* failure: The test will fail if any VTEP peer is missing or there are unexpected VTEP peers.
* skipped: The test will be skipped if the Vxlan1 interface is not configured.
"""
name = "VerifyVxlanVtep"
description = "Verifies the VTEP peers of the Vxlan1 interface"
categories = ["vxlan"]
commands = [AntaCommand(command="show vxlan vtep", ofmt="json")]
class Input(AntaTest.Input): # pylint: disable=missing-class-docstring
vteps: List[IPv4Address]
"""List of VTEP peers to verify"""
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
inputs_vteps = [str(input_vtep) for input_vtep in self.inputs.vteps]
if (vxlan1 := get_value(self.instance_commands[0].json_output, "interfaces.Vxlan1")) is None:
self.result.is_skipped("Vxlan1 interface is not configured")
return
difference1 = set(inputs_vteps).difference(set(vxlan1["vteps"]))
difference2 = set(vxlan1["vteps"]).difference(set(inputs_vteps))
if difference1:
self.result.is_failure(f"The following VTEP peer(s) are missing from the Vxlan1 interface: {sorted(difference1)}")
if difference2:
self.result.is_failure(f"Unexpected VTEP peer(s) on Vxlan1 interface: {sorted(difference2)}")
class VerifyVxlan1ConnSettings(AntaTest):
"""
Verifies the interface vxlan1 source interface and UDP port.
Expected Results:
* success: Passes if the interface vxlan1 source interface and UDP port are correct.
* failure: Fails if the interface vxlan1 source interface or UDP port are incorrect.
* skipped: Skips if the Vxlan1 interface is not configured.
"""
name = "VerifyVxlan1ConnSettings"
description = "Verifies the interface vxlan1 source interface and UDP port."
categories = ["vxlan"]
commands = [AntaCommand(command="show interfaces")]
class Input(AntaTest.Input):
"""Inputs for the VerifyVxlan1ConnSettings test."""
source_interface: VxlanSrcIntf
"""Source loopback interface of vxlan1 interface"""
udp_port: int = Field(ge=1024, le=65335)
"""UDP port used for vxlan1 interface"""
@AntaTest.anta_test
def test(self) -> None:
self.result.is_success()
command_output = self.instance_commands[0].json_output
# Skip the test case if vxlan1 interface is not configured
vxlan_output = get_value(command_output, "interfaces.Vxlan1")
if not vxlan_output:
self.result.is_skipped("Vxlan1 interface is not configured.")
return
src_intf = vxlan_output.get("srcIpIntf")
port = vxlan_output.get("udpPort")
# Check vxlan1 source interface and udp port
if src_intf != self.inputs.source_interface:
self.result.is_failure(f"Source interface is not correct. Expected `{self.inputs.source_interface}` as source interface but found `{src_intf}` instead.")
if port != self.inputs.udp_port:
self.result.is_failure(f"UDP port is not correct. Expected `{self.inputs.udp_port}` as UDP port but found `{port}` instead.")
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