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Only update Ingress status for the configured class
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| Copyright 2015 The Kubernetes Authors. | ||
| 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 | ||
| http://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. | ||
| */ | ||
|
|
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| package class | ||
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|
||
| import ( | ||
| "github.com/golang/glog" | ||
| "k8s.io/kubernetes/pkg/apis/extensions" | ||
|
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| "k8s.io/ingress/core/pkg/ingress/annotations/parser" | ||
| "k8s.io/ingress/core/pkg/ingress/errors" | ||
| ) | ||
|
|
||
| const ( | ||
| // IngressKey picks a specific "class" for the Ingress. | ||
| // The controller only processes Ingresses with this annotation either | ||
| // unset, or set to either the configured value or the empty string. | ||
| IngressKey = "kubernetes.io/ingress.class" | ||
| ) | ||
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| // IsValid returns true if the given Ingress either doesn't specify | ||
| // the ingress.class annotation, or it's set to the configured in the | ||
| // ingress controller. | ||
| func IsValid(ing *extensions.Ingress, controller, defClass string) bool { | ||
| ingress, err := parser.GetStringAnnotation(IngressKey, ing) | ||
| if err != nil && !errors.IsMissingAnnotations(err) { | ||
| glog.Warningf("unexpected error reading ingress annotation: %v", err) | ||
| } | ||
|
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| // we have 2 valid combinations | ||
| // 1 - ingress with default class | blank annotation on ingress | ||
| // 2 - ingress with specific class | same annotation on ingress | ||
| // | ||
| // and 2 invalid combinations | ||
| // 3 - ingress with default class | fixed annotation on ingress | ||
| // 4 - ingress with specific class | different annotation on ingress | ||
| if ingress == "" && controller == defClass { | ||
| return true | ||
| } | ||
|
|
||
| return ingress == controller | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| Copyright 2017 The Kubernetes Authors. | ||
| 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 | ||
| http://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. | ||
| */ | ||
|
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| package class | ||
|
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| import ( | ||
| "testing" | ||
|
|
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| "k8s.io/kubernetes/pkg/api" | ||
| "k8s.io/kubernetes/pkg/apis/extensions" | ||
| ) | ||
|
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| func TestIsValidClass(t *testing.T) { | ||
| tests := []struct { | ||
| ingress string | ||
| controller string | ||
| defClass string | ||
| isValid bool | ||
| }{ | ||
| {"", "", "nginx", true}, | ||
| {"", "nginx", "nginx", true}, | ||
| {"nginx", "nginx", "nginx", true}, | ||
| {"custom", "custom", "nginx", true}, | ||
| {"", "killer", "nginx", false}, | ||
| {"", "", "nginx", true}, | ||
| {"custom", "nginx", "nginx", false}, | ||
| } | ||
|
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| ing := &extensions.Ingress{ | ||
| ObjectMeta: api.ObjectMeta{ | ||
| Name: "foo", | ||
| Namespace: api.NamespaceDefault, | ||
| }, | ||
| } | ||
|
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| data := map[string]string{} | ||
| ing.SetAnnotations(data) | ||
| for _, test := range tests { | ||
| ing.Annotations[IngressKey] = test.ingress | ||
| b := IsValid(ing, test.controller, test.defClass) | ||
| if b != test.isValid { | ||
| t.Errorf("test %v - expected %v but %v was returned", test, test.isValid, b) | ||
| } | ||
| } | ||
| } |
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