/
service.go
66 lines (60 loc) · 2.4 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
// 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
//
// 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.
package resources
import (
"github.com/google/kf/v2/pkg/apis/kf/v1alpha1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"knative.dev/pkg/kmeta"
)
// ServiceName is the name of the K8s Service for the route service proxy
func ServiceName(serviceInstance *v1alpha1.ServiceInstance) string {
return ServiceNameForRouteServiceName(serviceInstance.Name)
}
// ServiceNameForRouteServiceName returns the canonical service name for the Service that
// directs requests to the route service.
func ServiceNameForRouteServiceName(serviceInstanceName string) string {
return v1alpha1.GenerateName(serviceInstanceName, "proxy")
}
// MakeService constructs a K8s service for the route service proxy.
// The Service is backed by the pod selector matching pods created by the deployment.
func MakeService(serviceInstance *v1alpha1.ServiceInstance) *corev1.Service {
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: ServiceName(serviceInstance),
Namespace: serviceInstance.Namespace,
OwnerReferences: []metav1.OwnerReference{
*kmeta.NewControllerRef(serviceInstance),
},
Labels: v1alpha1.UnionMaps(serviceInstance.GetLabels()),
},
Spec: corev1.ServiceSpec{
Ports: makeServicePorts(serviceInstance),
Selector: PodLabels(serviceInstance),
},
}
}
// makeServicePorts creates a port on the K8s Service that exposes port 80 (for HTTP traffic)
// and targets the port defined in the PodSpec of the route service proxy deployment.
func makeServicePorts(serviceInstance *v1alpha1.ServiceInstance) []corev1.ServicePort {
return []corev1.ServicePort{
{
Name: RouteServiceProxyUserPortName,
Protocol: corev1.ProtocolTCP,
Port: v1alpha1.DefaultRouteDestinationPort,
TargetPort: intstr.FromInt(int(RouteServiceProxyUserPort)),
},
}
}