mirror of https://github.com/k3s-io/k3s
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
|
/*
|
||
|
|
Copyright 2018 The Kubernetes 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 polymorphichelpers
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strconv"
|
||
|
|
|
||
|
|
"k8s.io/apimachinery/pkg/runtime"
|
||
|
|
api "k8s.io/kubernetes/pkg/apis/core"
|
||
|
|
"k8s.io/kubernetes/pkg/apis/extensions"
|
||
|
|
)
|
||
|
|
|
||
|
|
func portsForObject(object runtime.Object) ([]string, error) {
|
||
|
|
switch t := object.(type) {
|
||
|
|
case *api.ReplicationController:
|
||
|
|
return getPorts(t.Spec.Template.Spec), nil
|
||
|
|
case *api.Pod:
|
||
|
|
return getPorts(t.Spec), nil
|
||
|
|
case *api.Service:
|
||
|
|
return getServicePorts(t.Spec), nil
|
||
|
|
case *extensions.Deployment:
|
||
|
|
return getPorts(t.Spec.Template.Spec), nil
|
||
|
|
case *extensions.ReplicaSet:
|
||
|
|
return getPorts(t.Spec.Template.Spec), nil
|
||
|
|
default:
|
||
|
|
return nil, fmt.Errorf("cannot extract ports from %T", object)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func getPorts(spec api.PodSpec) []string {
|
||
|
|
result := []string{}
|
||
|
|
for _, container := range spec.Containers {
|
||
|
|
for _, port := range container.Ports {
|
||
|
|
result = append(result, strconv.Itoa(int(port.ContainerPort)))
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}
|
||
|
|
|
||
|
|
// Extracts the ports exposed by a service from the given service spec.
|
||
|
|
func getServicePorts(spec api.ServiceSpec) []string {
|
||
|
|
result := []string{}
|
||
|
|
for _, servicePort := range spec.Ports {
|
||
|
|
result = append(result, strconv.Itoa(int(servicePort.Port)))
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}
|