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109 lines
3.7 KiB
Go
109 lines
3.7 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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import (
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"fmt"
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"reflect"
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"testing"
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"k8s.io/apimachinery/pkg/util/diff"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/apis/networking"
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"k8s.io/kubernetes/pkg/features"
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)
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func TestValidateNetworkPolicySCTP(t *testing.T) {
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sctpProtocol := api.ProtocolSCTP
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tcpProtocol := api.ProtocolTCP
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objectWithValue := func() *networking.NetworkPolicy {
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return &networking.NetworkPolicy{
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Spec: networking.NetworkPolicySpec{
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Ingress: []networking.NetworkPolicyIngressRule{{Ports: []networking.NetworkPolicyPort{{Protocol: &sctpProtocol}}}},
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Egress: []networking.NetworkPolicyEgressRule{{Ports: []networking.NetworkPolicyPort{{Protocol: &sctpProtocol}}}},
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},
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}
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}
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objectWithoutValue := func() *networking.NetworkPolicy {
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return &networking.NetworkPolicy{
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Spec: networking.NetworkPolicySpec{
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Ingress: []networking.NetworkPolicyIngressRule{{Ports: []networking.NetworkPolicyPort{{Protocol: &tcpProtocol}}}},
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Egress: []networking.NetworkPolicyEgressRule{{Ports: []networking.NetworkPolicyPort{{Protocol: &tcpProtocol}}}},
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},
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}
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}
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objectInfo := []struct {
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description string
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hasValue bool
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object func() *networking.NetworkPolicy
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}{
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{
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description: "has value",
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hasValue: true,
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object: objectWithValue,
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},
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{
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description: "does not have value",
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hasValue: false,
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object: objectWithoutValue,
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},
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{
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description: "is nil",
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hasValue: false,
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object: func() *networking.NetworkPolicy { return nil },
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},
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}
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for _, enabled := range []bool{true, false} {
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for _, oldNetworkPolicyInfo := range objectInfo {
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for _, newNetworkPolicyInfo := range objectInfo {
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oldNetworkPolicyHasValue, oldNetworkPolicy := oldNetworkPolicyInfo.hasValue, oldNetworkPolicyInfo.object()
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newNetworkPolicyHasValue, newNetworkPolicy := newNetworkPolicyInfo.hasValue, newNetworkPolicyInfo.object()
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if newNetworkPolicy == nil {
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continue
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}
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t.Run(fmt.Sprintf("feature enabled=%v, old object %v, new object %v", enabled, oldNetworkPolicyInfo.description, newNetworkPolicyInfo.description), func(t *testing.T) {
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.SCTPSupport, enabled)()
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errs := ValidateConditionalNetworkPolicy(newNetworkPolicy, oldNetworkPolicy)
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// objects should never be changed
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if !reflect.DeepEqual(oldNetworkPolicy, oldNetworkPolicyInfo.object()) {
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t.Errorf("old object changed: %v", diff.ObjectReflectDiff(oldNetworkPolicy, oldNetworkPolicyInfo.object()))
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}
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if !reflect.DeepEqual(newNetworkPolicy, newNetworkPolicyInfo.object()) {
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t.Errorf("new object changed: %v", diff.ObjectReflectDiff(newNetworkPolicy, newNetworkPolicyInfo.object()))
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}
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switch {
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case enabled || oldNetworkPolicyHasValue || !newNetworkPolicyHasValue:
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if len(errs) > 0 {
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t.Errorf("unexpected errors: %v", errs)
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}
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default:
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if len(errs) != 2 {
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t.Errorf("expected 2 errors, got %v", errs)
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}
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}
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})
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}
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}
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}
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}
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