125 lines
3.8 KiB
Go
125 lines
3.8 KiB
Go
/*
|
|
Copyright 2014 Google Inc. All rights reserved.
|
|
|
|
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 minion
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net"
|
|
"strconv"
|
|
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
|
|
kerrors "github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/master/ports"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
|
|
)
|
|
|
|
// REST implements the RESTStorage interface, backed by a MinionRegistry.
|
|
type REST struct {
|
|
registry Registry
|
|
}
|
|
|
|
// NewREST returns a new REST.
|
|
func NewREST(m Registry) *REST {
|
|
return &REST{
|
|
registry: m,
|
|
}
|
|
}
|
|
|
|
var ErrDoesNotExist = errors.New("The requested resource does not exist.")
|
|
var ErrNotHealty = errors.New("The requested minion is not healthy.")
|
|
|
|
func (rs *REST) Create(ctx api.Context, obj runtime.Object) (<-chan apiserver.RESTResult, error) {
|
|
minion, ok := obj.(*api.Minion)
|
|
if !ok {
|
|
return nil, fmt.Errorf("not a minion: %#v", obj)
|
|
}
|
|
|
|
if errs := validation.ValidateMinion(minion); len(errs) > 0 {
|
|
return nil, kerrors.NewInvalid("minion", minion.Name, errs)
|
|
}
|
|
|
|
minion.CreationTimestamp = util.Now()
|
|
|
|
return apiserver.MakeAsync(func() (runtime.Object, error) {
|
|
// TODO: Need to fill in any server-set fields (uid, timestamp, etc) before
|
|
// returning minion. Can't do it properly at the moment because the registry
|
|
// healthchecking, which might cause it to not return the minion at all. Fix
|
|
// this after we move the healthchecking out of the minion registry.
|
|
err := rs.registry.CreateMinion(ctx, minion)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return minion, nil
|
|
}), nil
|
|
}
|
|
|
|
func (rs *REST) Delete(ctx api.Context, id string) (<-chan apiserver.RESTResult, error) {
|
|
minion, err := rs.registry.GetMinion(ctx, id)
|
|
if minion == nil {
|
|
return nil, ErrDoesNotExist
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return apiserver.MakeAsync(func() (runtime.Object, error) {
|
|
return &api.Status{Status: api.StatusSuccess}, rs.registry.DeleteMinion(ctx, id)
|
|
}), nil
|
|
}
|
|
|
|
func (rs *REST) Get(ctx api.Context, id string) (runtime.Object, error) {
|
|
minion, err := rs.registry.GetMinion(ctx, id)
|
|
if minion == nil {
|
|
return nil, ErrDoesNotExist
|
|
}
|
|
return minion, err
|
|
}
|
|
|
|
func (rs *REST) List(ctx api.Context, label, field labels.Selector) (runtime.Object, error) {
|
|
return rs.registry.ListMinions(ctx)
|
|
}
|
|
|
|
func (rs *REST) New() runtime.Object {
|
|
return &api.Minion{}
|
|
}
|
|
|
|
func (rs *REST) Update(ctx api.Context, minion runtime.Object) (<-chan apiserver.RESTResult, error) {
|
|
return nil, fmt.Errorf("Minions can only be created (inserted) and deleted.")
|
|
}
|
|
|
|
func (rs *REST) toApiMinion(name string) *api.Minion {
|
|
return &api.Minion{ObjectMeta: api.ObjectMeta{Name: name}}
|
|
}
|
|
|
|
// ResourceLocation returns a URL to which one can send traffic for the specified minion.
|
|
func (rs *REST) ResourceLocation(ctx api.Context, id string) (string, error) {
|
|
minion, err := rs.registry.GetMinion(ctx, id)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
host := minion.HostIP
|
|
if host == "" {
|
|
host = minion.Name
|
|
}
|
|
// TODO: Minion webservers should be secure!
|
|
return "http://" + net.JoinHostPort(host, strconv.Itoa(ports.KubeletPort)), nil
|
|
}
|