openstack-operator/builders/service.go

65 lines
1.9 KiB
Go
Executable File

// Copyright 2020 VEXXHOST, 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 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 builders
import (
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/intstr"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
// ServiceBuilder defines the interface to build a service
type ServiceBuilder struct {
obj *corev1.Service
owner metav1.Object
scheme *runtime.Scheme
}
// Service returns a new service builder
func Service(existing *corev1.Service, owner metav1.Object, scheme *runtime.Scheme) *ServiceBuilder {
existing.Spec.Ports = []corev1.ServicePort{}
return &ServiceBuilder{
obj: existing,
owner: owner,
scheme: scheme,
}
}
// Port appends a port to the service
func (s *ServiceBuilder) Port(name string, port int32) *ServiceBuilder {
s.obj.Spec.Ports = append(s.obj.Spec.Ports, corev1.ServicePort{
Name: name,
Protocol: v1.ProtocolTCP,
Port: port,
TargetPort: intstr.FromString(name),
})
return s
}
// Selector defines the service selectors
func (s *ServiceBuilder) Selector(labels map[string]string) *ServiceBuilder {
s.obj.Spec.Selector = labels
return s
}
// Build returns a complete Service object
func (s *ServiceBuilder) Build() error {
return controllerutil.SetControllerReference(s.owner, s.obj, s.scheme)
}