/
service.go
74 lines (60 loc) · 2.48 KB
/
service.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/*
* 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/client-go/kubernetes"
)
type serviceHandler struct {
}
func (h *serviceHandler) Dump(obj interface{}) string {
srv := obj.(*v1.Service)
return fmt.Sprintf("service{Namespace: %s, Name: %s}", srv.Namespace, srv.Name)
}
func (h *serviceHandler) Map(obj interface{}) (graph.Identifier, graph.Metadata) {
srv := obj.(*v1.Service)
m := NewMetadataFields(&srv.ObjectMeta)
m.SetFieldAndNormalize("Ports", srv.Spec.Ports)
m.SetFieldAndNormalize("ClusterIP", srv.Spec.ClusterIP)
m.SetFieldAndNormalize("ServiceType", srv.Spec.Type)
m.SetFieldAndNormalize("SessionAffinity", srv.Spec.SessionAffinity)
m.SetFieldAndNormalize("LoadBalancerIP", srv.Spec.LoadBalancerIP)
m.SetFieldAndNormalize("ExternalName", srv.Spec.ExternalName)
return graph.Identifier(srv.GetUID()), NewMetadata(Manager, "service", m, srv, srv.Name)
}
func newServiceProbe(client interface{}, g *graph.Graph) Subprobe {
return NewResourceCache(client.(*kubernetes.Clientset).CoreV1().RESTClient(), &v1.Service{}, "services", g, &serviceHandler{})
}
func servicePodAreLinked(a, b interface{}) bool {
service := a.(*v1.Service)
pod := b.(*v1.Pod)
return MatchNamespace(pod, service) && matchMapSelector(pod, service.Spec.Selector, false)
}
func newServicePodLinker(g *graph.Graph) probe.Handler {
return NewABLinker(g, Manager, "service", Manager, "pod", servicePodAreLinked)
}
func serviceEndpointsAreLinked(a, b interface{}) bool {
endpoints := b.(*v1.Endpoints)
service := a.(*v1.Service)
return MatchNamespace(endpoints, service) && (endpoints.Name == service.Name || matchMapSelector(endpoints, service.Spec.Selector, false))
}
func newServiceEndpointsLinker(g *graph.Graph) probe.Handler {
return NewABLinker(g, Manager, "service", Manager, "endpoints", serviceEndpointsAreLinked)
}