/
svc.go
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/
svc.go
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// Copyright 2019-2023 The Liqo 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.
package net
import (
"context"
v1 "k8s.io/api/core/v1"
kerrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes"
"k8s.io/klog/v2"
)
// EnsureNodePort ensures a Service of type NodePort for the netTest.
func EnsureNodePort(ctx context.Context, client kubernetes.Interface, name, namespace string) (*v1.Service, error) {
return ensureService(ctx, client, name, namespace, v1.ServiceTypeNodePort)
}
// EnsureClusterIP ensures a Service of type ClusterIP for the netTest.
func EnsureClusterIP(ctx context.Context, client kubernetes.Interface, name, namespace string) error {
_, err := ensureService(ctx, client, name, namespace, v1.ServiceTypeClusterIP)
return err
}
func ensureService(ctx context.Context, client kubernetes.Interface,
name, namespace string, serviceType v1.ServiceType) (*v1.Service, error) {
serviceSpec := v1.ServiceSpec{
Ports: []v1.ServicePort{{
Name: "http",
Protocol: "TCP",
AppProtocol: nil,
Port: 80,
TargetPort: intstr.IntOrString{
IntVal: 80,
},
}},
Selector: map[string]string{"app": name},
Type: serviceType,
}
svc := &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: serviceSpec,
}
svc, err := client.CoreV1().Services(namespace).Create(ctx, svc, metav1.CreateOptions{})
if kerrors.IsAlreadyExists(err) {
svc, err = client.CoreV1().Services(namespace).Get(ctx, name, metav1.GetOptions{})
if err != nil {
klog.Error(err)
return nil, err
}
}
return svc, nil
}