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Merge pull request #251 from openconfig/ipv4-prefix-set-integration
Add IPv4 prefix set integration test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| filegroup( | ||
| name = "topology_testbed", | ||
| srcs = [ | ||
| "testbed.pb.txt", | ||
| "topology.pb.txt", | ||
| ], | ||
| visibility = ["//visibility:public"], | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_test") | ||
|
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| go_test( | ||
| name = "prefix_set_test", | ||
| size = "enormous", | ||
| srcs = ["prefix_set_test.go"], | ||
| data = ["//integration_tests/dut_policy_tests:topology_testbed"], | ||
| tags = [ | ||
| "exclusive", | ||
| ], | ||
| deps = [ | ||
| "//bgp/tests/proto/policyval", | ||
| "//internal/binding", | ||
| "//policytest", | ||
| "@com_github_openconfig_ondatra//:ondatra", | ||
| "@com_github_openconfig_ondatra//gnmi", | ||
| "@com_github_openconfig_ondatra//gnmi/oc", | ||
| ], | ||
| ) |
165 changes: 165 additions & 0 deletions
165
integration_tests/dut_policy_tests/prefix_set/prefix_set_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,165 @@ | ||
| /* | ||
| Copyright 2022 Google LLC | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| https://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package integration_test | ||
|
|
||
| import ( | ||
| "testing" | ||
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| "github.com/openconfig/lemming/internal/binding" | ||
| "github.com/openconfig/lemming/policytest" | ||
| "github.com/openconfig/ondatra" | ||
| "github.com/openconfig/ondatra/gnmi" | ||
| "github.com/openconfig/ondatra/gnmi/oc" | ||
|
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| valpb "github.com/openconfig/lemming/bgp/tests/proto/policyval" | ||
| ) | ||
|
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| func TestMain(m *testing.M) { | ||
| ondatra.RunTests(m, binding.Get("..")) | ||
| } | ||
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| func TestPrefixSet(t *testing.T) { | ||
| installPolicies := func(t *testing.T, pair12, pair52, pair23 *policytest.DevicePair, invert bool) { | ||
| t.Log("Installing test policies") | ||
| dut2 := pair12.Second | ||
| port1 := pair12.FirstPort | ||
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| prefix1 := "10.33.0.0/16" | ||
| prefix2 := "10.34.0.0/16" | ||
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| // Policy to reject routes with the given prefix set | ||
| policyName := "def1" | ||
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| // Create prefix set | ||
| prefixSetName := "reject-" + prefix1 | ||
| prefix1Path := policytest.RoutingPolicyPath.DefinedSets().PrefixSet(prefixSetName).Prefix(prefix1, "exact").IpPrefix() | ||
| gnmi.Replace(t, dut2, prefix1Path.Config(), prefix1) | ||
| prefix2Path := policytest.RoutingPolicyPath.DefinedSets().PrefixSet(prefixSetName).Prefix(prefix2, "16..23").IpPrefix() | ||
| gnmi.Replace(t, dut2, prefix2Path.Config(), prefix2) | ||
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| policy := &oc.RoutingPolicy_PolicyDefinition_Statement_OrderedMap{} | ||
| stmt, err := policy.AppendNew("stmt1") | ||
| if err != nil { | ||
| t.Fatalf("Cannot append new BGP policy statement: %v", err) | ||
| } | ||
| // Match on prefix set & reject route | ||
| stmt.GetOrCreateConditions().GetOrCreateMatchPrefixSet().SetPrefixSet(prefixSetName) | ||
| if invert { | ||
| stmt.GetOrCreateConditions().GetOrCreateMatchPrefixSet().SetMatchSetOptions(oc.RoutingPolicy_MatchSetOptionsRestrictedType_INVERT) | ||
| } else { | ||
| stmt.GetOrCreateConditions().GetOrCreateMatchPrefixSet().SetMatchSetOptions(oc.RoutingPolicy_MatchSetOptionsRestrictedType_ANY) | ||
| } | ||
| stmt.GetOrCreateActions().SetPolicyResult(oc.RoutingPolicy_PolicyResultType_REJECT_ROUTE) | ||
| // Install policy | ||
| gnmi.Replace(t, dut2, policytest.RoutingPolicyPath.PolicyDefinition(policyName).Config(), &oc.RoutingPolicy_PolicyDefinition{Statement: policy}) | ||
| gnmi.Replace(t, dut2, policytest.BGPPath.Neighbor(port1.IPv4).ApplyPolicy().ImportPolicy().Config(), []string{policyName}) | ||
| } | ||
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| invertResult := func(result valpb.RouteTestResult, invert bool) valpb.RouteTestResult { | ||
| if invert { | ||
| switch result { | ||
| case valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT: | ||
| return valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD | ||
| case valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD: | ||
| return valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT | ||
| default: | ||
| } | ||
| } | ||
| return result | ||
| } | ||
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| getspec := func(invert bool) *valpb.PolicyTestCase { | ||
| spec := &valpb.PolicyTestCase{ | ||
| Description: "Test that one prefix gets accepted and the other rejected via an ANY prefix-set.", | ||
| RouteTests: []*valpb.RouteTestCase{{ | ||
| Description: "Exact match", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.33.0.0/16", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD, invert), | ||
| }, { | ||
| Description: "Not exact match", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.33.0.0/17", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, invert), | ||
| }, { | ||
| Description: "No match with any prefix", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.3.0.0/16", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, invert), | ||
| }, { | ||
| Description: "mask length too short", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.34.0.0/15", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, invert), | ||
| }, { | ||
| Description: "Lower end of mask length", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.34.0.0/16", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD, invert), | ||
| }, { | ||
| Description: "Middle of mask length", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.34.0.0/20", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD, invert), | ||
| }, { | ||
| Description: "Upper end of mask length", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.34.0.0/23", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_DISCARD, invert), | ||
| }, { | ||
| Description: "mask length too long", | ||
| Input: &valpb.TestRoute{ | ||
| ReachPrefix: "10.34.0.0/24", | ||
| }, | ||
| ExpectedResultBeforePolicy: valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, | ||
| ExpectedResult: invertResult(valpb.RouteTestResult_ROUTE_TEST_RESULT_ACCEPT, invert), | ||
| }}, | ||
| } | ||
| return spec | ||
| } | ||
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| t.Run("ANY", func(t *testing.T) { | ||
| policytest.TestPolicy(t, policytest.TestCase{ | ||
| Spec: getspec(false), | ||
| InstallPolicies: func(t *testing.T, pair12, pair52, pair23 *policytest.DevicePair) { | ||
| installPolicies(t, pair12, pair52, pair23, false) | ||
| }, | ||
| }) | ||
| }) | ||
| t.Run("INVERT", func(t *testing.T) { | ||
| policytest.TestPolicy(t, policytest.TestCase{ | ||
| Spec: getspec(true), | ||
| InstallPolicies: func(t *testing.T, pair12, pair52, pair23 *policytest.DevicePair) { | ||
| installPolicies(t, pair12, pair52, pair23, true) | ||
| }, | ||
| }) | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| # proto-file: github.com/openconfig/ondatra/blob/main/proto/testbed.proto | ||
| # proto-message: ondatra.Testbed | ||
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| # PolicyTestCase contains the specifications for a DUT-only policy test. | ||
| # | ||
| # Topology: | ||
| # | ||
| # DUT1 (AS 64500) -> DUT2 (AS 64500) -> DUT3 (AS 64501) | ||
| # ^ | ||
| # | | ||
| # DUT4 (AS 64502) -> DUT5 (AS 64500) | ||
| # | ||
| # Additionally, DUT0 is present as a neighbour for DUT1, DUT4, and DUT5 | ||
| # to allow a static route to be resolvable. | ||
| # | ||
| # Currently by convention, all policies are installed on DUT1 (export), DUT5 | ||
| # (export), and DUT2 (import). This is because GoBGP only withdraws routes on | ||
| # import policy change after a soft reset: | ||
| # https://github.com/osrg/gobgp/blob/master/docs/sources/policy.md#policy-and-soft-reset | ||
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| # This DUT connects to DUT1, DUT4, and DUT5 for resolving static routes. | ||
| duts { | ||
| id: "dut0" | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| ports { | ||
| id: "port2" | ||
| } | ||
| ports { | ||
| id: "port3" | ||
| } | ||
| } | ||
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| duts { | ||
| id: "dut1" | ||
| ports { | ||
| id: "port0" | ||
| } | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| } | ||
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| duts { | ||
| id: "dut2" | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| ports { | ||
| id: "port2" | ||
| } | ||
| ports { | ||
| id: "port3" | ||
| } | ||
| } | ||
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| duts { | ||
| id: "dut3" | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| } | ||
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| duts { | ||
| id: "dut4" | ||
| ports { | ||
| id: "port0" | ||
| } | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| } | ||
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| duts { | ||
| id: "dut5" | ||
| ports { | ||
| id: "port0" | ||
| } | ||
| ports { | ||
| id: "port1" | ||
| } | ||
| ports { | ||
| id: "port2" | ||
| } | ||
| } | ||
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| links { | ||
| a: "dut1:port1" | ||
| b: "dut2:port1" | ||
| } | ||
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| links { | ||
| a: "dut2:port2" | ||
| b: "dut3:port1" | ||
| } | ||
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| links { | ||
| a: "dut4:port1" | ||
| b: "dut5:port1" | ||
| } | ||
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| links { | ||
| a: "dut5:port2" | ||
| b: "dut2:port3" | ||
| } |
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