/
ingress.go
80 lines (65 loc) · 2.27 KB
/
ingress.go
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/*
* Copyright (C) 2018 IBM, Inc.
*
* 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 ofthe 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 specificlanguage governing permissions and
* limitations under the License.
*
*/
package k8s
import (
"fmt"
"github.com/skydive-project/skydive/graffiti/graph"
"github.com/skydive-project/skydive/probe"
v1 "k8s.io/api/core/v1"
"k8s.io/api/extensions/v1beta1"
"k8s.io/client-go/kubernetes"
)
type ingressHandler struct {
}
func (h *ingressHandler) Dump(obj interface{}) string {
ingress := obj.(*v1beta1.Ingress)
return fmt.Sprintf("ingress{Namespace: %s, Name: %s}", ingress.Namespace, ingress.Name)
}
func (h *ingressHandler) Map(obj interface{}) (graph.Identifier, graph.Metadata) {
ingress := obj.(*v1beta1.Ingress)
m := NewMetadataFields(&ingress.ObjectMeta)
m.SetFieldAndNormalize("Backend", ingress.Spec.Backend)
m.SetFieldAndNormalize("TLS", ingress.Spec.TLS)
m.SetFieldAndNormalize("Rules", ingress.Spec.Rules)
return graph.Identifier(ingress.GetUID()), NewMetadata(Manager, "ingress", m, ingress, ingress.Name)
}
func newIngressProbe(client interface{}, g *graph.Graph) Subprobe {
return NewResourceCache(client.(*kubernetes.Clientset).ExtensionsV1beta1().RESTClient(), &v1beta1.Ingress{}, "ingresses", g, &ingressHandler{})
}
func ingressServiceAreLinked(a, b interface{}) bool {
ingress := a.(*v1beta1.Ingress)
service := b.(*v1.Service)
if !MatchNamespace(ingress, service) {
return false
}
if ingress.Spec.Backend != nil && ingress.Spec.Backend.ServiceName == service.Name {
return true
}
for _, rule := range ingress.Spec.Rules {
if rule.HTTP != nil {
for _, path := range rule.HTTP.Paths {
if path.Backend.ServiceName == service.Name {
return true
}
}
}
}
return false
}
func newIngressServiceLinker(g *graph.Graph) probe.Handler {
return NewABLinker(g, Manager, "ingress", Manager, "service", ingressServiceAreLinked)
}