134 lines
4.5 KiB
Go
134 lines
4.5 KiB
Go
/*
|
|
Copyright 2021 Alibaba Group Holding Limited.
|
|
|
|
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 polardbxbackup
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
v1 "github.com/alibaba/polardbx-operator/api/v1"
|
|
"github.com/alibaba/polardbx-operator/api/v1/polardbx"
|
|
"github.com/alibaba/polardbx-operator/pkg/hpfs/filestream"
|
|
"github.com/alibaba/polardbx-operator/pkg/operator/v1/config"
|
|
"github.com/alibaba/polardbx-operator/pkg/webhook/extension"
|
|
"github.com/go-logr/logr"
|
|
"github.com/google/uuid"
|
|
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
type Validator struct {
|
|
client.Reader
|
|
logr.Logger
|
|
configLoader func() config.Config
|
|
client *filestream.FileClient
|
|
}
|
|
|
|
const magicString = "polardbx-filestream-validation"
|
|
|
|
func (v *Validator) getFilestreamClient() (*filestream.FileClient, error) {
|
|
if v.client == nil {
|
|
hostPort := strings.SplitN(v.configLoader().Store().FilestreamServiceEndpoint(), ":", 2)
|
|
if len(hostPort) < 2 {
|
|
return nil, errors.New("invalid filestream endpoint, please check config of controller: " +
|
|
v.configLoader().Store().FilestreamServiceEndpoint())
|
|
}
|
|
port, err := strconv.Atoi(hostPort[1])
|
|
if err != nil {
|
|
return nil, errors.New("invalid filestream port, please check config of controller: " + hostPort[1])
|
|
}
|
|
v.client = filestream.NewFileClient(hostPort[0], port, nil)
|
|
}
|
|
return v.client, nil
|
|
}
|
|
|
|
func (v *Validator) ValidateCreate(ctx context.Context, obj runtime.Object) error {
|
|
var storageProvider polardbx.BackupStorageProvider
|
|
if pxcBackup, ok := obj.(*v1.PolarDBXBackup); ok {
|
|
storageProvider = pxcBackup.Spec.StorageProvider
|
|
}
|
|
if pxcBinlogBackup, ok := obj.(*v1.PolarDBXBackupBinlog); ok {
|
|
storageProvider = pxcBinlogBackup.Spec.StorageProvider
|
|
}
|
|
|
|
// validate storage configure
|
|
if storageProvider.StorageName == "" {
|
|
return field.Required(field.NewPath("spec", "storageProvider", "storageName"),
|
|
"storage name must be provided")
|
|
}
|
|
if storageProvider.Sink == "" {
|
|
return field.Required(field.NewPath("spec", "storageProvider", "sink"),
|
|
"sink must be provided")
|
|
}
|
|
filestreamAction, err := polardbx.NewBackupStorageFilestreamAction(storageProvider.StorageName)
|
|
if err != nil {
|
|
return field.Invalid(field.NewPath("spec", "storageProvider", "storageName"),
|
|
storageProvider.StorageName, "unsupported storage")
|
|
}
|
|
|
|
// validate whether storage is available
|
|
fsClient, err := v.getFilestreamClient()
|
|
if err != nil {
|
|
return apierrors.NewInternalError(err)
|
|
}
|
|
actionMetadata := filestream.ActionMetadata{
|
|
Action: filestreamAction.Upload,
|
|
Sink: storageProvider.Sink,
|
|
RequestId: uuid.New().String(),
|
|
Filename: magicString,
|
|
}
|
|
sentBytes, err := fsClient.Upload(strings.NewReader(magicString), actionMetadata)
|
|
if err != nil || sentBytes == 0 {
|
|
return field.Invalid(field.NewPath("spec", "storageProvider"), storageProvider,
|
|
"invalid storage, please check configuration of both backup and hpfs")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (v *Validator) ValidateUpdate(ctx context.Context, oldObj, newObj runtime.Object) error {
|
|
if _, ok := oldObj.(*v1.PolarDBXBackup); !ok {
|
|
return nil
|
|
}
|
|
oldBackup, newBackup := oldObj.(*v1.PolarDBXBackup), newObj.(*v1.PolarDBXBackup)
|
|
if oldBackup.Name != newBackup.Name {
|
|
return field.Forbidden(field.NewPath("metadata", "name"), "immutable field")
|
|
}
|
|
if oldBackup.Spec.Cluster != newBackup.Spec.Cluster {
|
|
return field.Forbidden(field.NewPath("spec", "cluster"), "immutable field")
|
|
}
|
|
if oldBackup.Spec.StorageProvider != newBackup.Spec.StorageProvider {
|
|
return field.Forbidden(field.NewPath("spec", "storageProvider"), "immutable field")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (v *Validator) ValidateDelete(ctx context.Context, obj runtime.Object) error {
|
|
return nil
|
|
}
|
|
|
|
func NewPolarDBXBackupValidator(r client.Reader, logger logr.Logger, configLoader func() config.Config) extension.CustomValidator {
|
|
return &Validator{
|
|
Reader: r,
|
|
Logger: logger,
|
|
configLoader: configLoader,
|
|
}
|
|
}
|