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groupapp_backup.go
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/
groupapp_backup.go
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// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package exector
import (
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"time"
"github.com/goodrain/rainbond/util"
"github.com/goodrain/rainbond/builder/sources"
"github.com/goodrain/rainbond/builder/sources/registry"
"github.com/goodrain/rainbond/db"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/client"
"github.com/goodrain/rainbond/builder/cloudos"
dbmodel "github.com/goodrain/rainbond/db/model"
"github.com/goodrain/rainbond/event"
"github.com/pquerna/ffjson/ffjson"
"github.com/tidwall/gjson"
)
const (
// OldMetadata identify older versions of metadata
OldMetadata = "OldMetadata"
// NewMetadata identify new version of metadata
NewMetadata = "NewMetadata"
)
//maxBackupVersionSize Maximum number of backup versions per service
var maxBackupVersionSize = 3
//BackupAPPNew backup group app new version
type BackupAPPNew struct {
GroupID string `json:"group_id" `
ServiceIDs []string `json:"service_ids" `
Version string `json:"version"`
EventID string
SourceDir string `json:"source_dir"`
SourceType string `json:"source_type"`
BackupID string `json:"backup_id"`
BackupSize int64
Logger event.Logger
DockerClient *client.Client
//full-online,full-offline
Mode string `json:"mode"`
S3Config struct {
Provider string `json:"provider"`
Endpoint string `json:"endpoint"`
AccessKey string `json:"access_key"`
SecretKey string `json:"secret_key"`
BucketName string `json:"bucket_name"`
} `json:"s3_config"`
}
func init() {
RegisterWorker("backup_apps_new", BackupAPPNewCreater)
}
//BackupAPPNewCreater create
func BackupAPPNewCreater(in []byte, m *exectorManager) (TaskWorker, error) {
eventID := gjson.GetBytes(in, "event_id").String()
logger := event.GetManager().GetLogger(eventID)
backupNew := &BackupAPPNew{
Logger: logger,
EventID: eventID,
DockerClient: m.DockerClient,
}
if err := ffjson.Unmarshal(in, &backupNew); err != nil {
return nil, err
}
return backupNew, nil
}
// AppSnapshot holds a snapshot of your app
type AppSnapshot struct {
Services []*RegionServiceSnapshot
Plugins []*dbmodel.TenantPlugin
PluginBuildVersions []*dbmodel.TenantPluginBuildVersion
}
//RegionServiceSnapshot RegionServiceSnapshot
type RegionServiceSnapshot struct {
ServiceID string
Service *dbmodel.TenantServices
ServiceProbe []*dbmodel.TenantServiceProbe
LBMappingPort []*dbmodel.TenantServiceLBMappingPort
ServiceEnv []*dbmodel.TenantServiceEnvVar
ServiceLabel []*dbmodel.TenantServiceLable
ServiceMntRelation []*dbmodel.TenantServiceMountRelation
ServiceRelation []*dbmodel.TenantServiceRelation
ServiceStatus string
ServiceVolume []*dbmodel.TenantServiceVolume
ServicePort []*dbmodel.TenantServicesPort
Versions []*dbmodel.VersionInfo
PluginRelation []*dbmodel.TenantServicePluginRelation
PluginConfigs []*dbmodel.TenantPluginVersionDiscoverConfig
PluginEnvs []*dbmodel.TenantPluginVersionEnv
PluginStreamPorts []*dbmodel.TenantServicesStreamPluginPort
}
//Run Run
func (b *BackupAPPNew) Run(timeout time.Duration) error {
//read region group app metadata
metadata, err := ioutil.ReadFile(fmt.Sprintf("%s/region_apps_metadata.json", b.SourceDir))
if err != nil {
return err
}
metaVersion, err := judgeMetadataVersion(metadata)
if err != nil {
b.Logger.Info(fmt.Sprintf("Failed to judge the version of metadata"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
if metaVersion == OldMetadata {
var svcSnapshot []*RegionServiceSnapshot
if err := ffjson.Unmarshal(metadata, &svcSnapshot); err != nil {
b.Logger.Info(fmt.Sprintf("Failed to unmarshal metadata into RegionServiceSnapshot"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
if err := b.backupServiceInfo(svcSnapshot); err != nil {
b.Logger.Info(fmt.Sprintf("Failed to backup metadata service info"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
} else {
var appSnapshot AppSnapshot
if err := ffjson.Unmarshal(metadata, &appSnapshot); err != nil {
b.Logger.Info(fmt.Sprintf("Failed to unmarshal metadata into AppSnapshot"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
if err := b.backupServiceInfo(appSnapshot.Services); err != nil {
b.Logger.Info(fmt.Sprintf("Failed to backup metadata service info"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
if err := b.backupPluginInfo(&appSnapshot); err != nil {
b.Logger.Info(fmt.Sprintf("Failed to backup metadata plugin info"), map[string]string{"step": "backup_builder", "status": "failure"})
return err
}
}
if strings.HasSuffix(b.SourceDir, "/") {
b.SourceDir = b.SourceDir[:len(b.SourceDir)-2]
}
if err := util.Zip(b.SourceDir, fmt.Sprintf("%s.zip", b.SourceDir)); err != nil {
b.Logger.Info(fmt.Sprintf("Compressed backup metadata failed"), map[string]string{"step": "backup_builder", "status": "starting"})
return err
}
b.BackupSize += util.GetFileSize(fmt.Sprintf("%s.zip", b.SourceDir))
if err := os.RemoveAll(b.SourceDir); err != nil {
logrus.Warningf("error removing temporary direcotry: %v", err)
}
b.SourceDir = fmt.Sprintf("%s.zip", b.SourceDir)
if err := b.uploadPkg(); err != nil {
return fmt.Errorf("error upload backup package: %v", err)
}
if err := b.updateBackupStatu("success"); err != nil {
return err
}
return nil
}
func (b *BackupAPPNew) uploadPkg() error {
if b.Mode != "full-online" {
return nil
}
defer func() {
if err := os.Remove(b.SourceDir); err != nil {
logrus.Warningf("error removing temporary file: %v", err)
}
}()
s3Provider, err := cloudos.Str2S3Provider(b.S3Config.Provider)
if err != nil {
return err
}
cfg := &cloudos.Config{
ProviderType: s3Provider,
Endpoint: b.S3Config.Endpoint,
AccessKey: b.S3Config.AccessKey,
SecretKey: b.S3Config.SecretKey,
BucketName: b.S3Config.BucketName,
}
cloudoser, err := cloudos.New(cfg)
if err != nil {
return fmt.Errorf("error creating cloudoser: %v", err)
}
_, filename := filepath.Split(b.SourceDir)
if err := cloudoser.PutObject(filename, b.SourceDir); err != nil {
return fmt.Errorf("object key: %s; filepath: %s; error putting object: %v", filename, b.SourceDir, err)
}
return nil
}
// judging whether the metadata structure is old or new, the new version is v5.1.8 and later
func judgeMetadataVersion(metadata []byte) (string, error) {
var appSnapshot AppSnapshot
if err := ffjson.Unmarshal(metadata, &appSnapshot); err == nil {
return NewMetadata, nil
}
var svcSnapshot []*RegionServiceSnapshot
if err := ffjson.Unmarshal(metadata, &svcSnapshot); err == nil {
return "", err
}
return OldMetadata, nil
}
func (b *BackupAPPNew) backupServiceInfo(serviceInfos []*RegionServiceSnapshot) error {
for _, app := range serviceInfos {
//backup app image or code slug file
b.Logger.Info(fmt.Sprintf("Start backup Application(%s) runtime", app.Service.ServiceAlias), map[string]string{"step": "backup_builder", "status": "starting"})
var backupVersionSize int
for _, version := range app.Versions {
if backupVersionSize >= maxBackupVersionSize {
break
}
if version.DeliveredType == "slug" && version.FinalStatus == "success" {
if ok, _ := b.checkVersionExist(version); !ok {
version.FinalStatus = "lost"
continue
}
if err := b.saveSlugPkg(app, version); err != nil {
logrus.Errorf("upload app %s version %s slug file error.%s", app.Service.ServiceName, version.BuildVersion, err.Error())
} else {
backupVersionSize++
}
}
if version.DeliveredType == "image" && version.FinalStatus == "success" {
if ok, _ := b.checkVersionExist(version); !ok {
version.FinalStatus = "lost"
continue
}
if err := b.saveImagePkg(app, version); err != nil {
logrus.Errorf("upload app %s version %s image error.%s", app.Service.ServiceName, version.BuildVersion, err.Error())
} else {
backupVersionSize++
}
}
}
if backupVersionSize == 0 {
b.Logger.Error(fmt.Sprintf("Application(%s) Backup build version failure.", app.Service.ServiceAlias), map[string]string{"step": "backup_builder", "status": "success"})
return fmt.Errorf("Application(%s) Backup build version failure", app.Service.ServiceAlias)
}
logrus.Infof("backup app %s %d version", app.Service.ServiceName, backupVersionSize)
b.Logger.Info(fmt.Sprintf("Complete backup application (%s) runtime %d version", app.Service.ServiceAlias, backupVersionSize), map[string]string{"step": "backup_builder", "status": "success"})
b.Logger.Info(fmt.Sprintf("Start backup application(%s) persistent data", app.Service.ServiceAlias), map[string]string{"step": "backup_builder", "status": "starting"})
//backup app data,The overall data of the direct backup service
if len(app.ServiceVolume) > 0 {
dstDir := fmt.Sprintf("%s/data_%s/%s.zip", b.SourceDir, "all", "data")
_, sharepath := GetVolumeDir()
serviceVolumeData := path.Join(sharepath, "tenant", app.Service.TenantID, "service", app.Service.ServiceID)
if !util.DirIsEmpty(serviceVolumeData) {
if err := util.Zip(serviceVolumeData, dstDir); err != nil {
logrus.Errorf("backup service(%s) volume data error.%s", app.ServiceID, err.Error())
return err
}
}
}
for _, volume := range app.ServiceVolume {
dstDir := fmt.Sprintf("%s/data_%s/%s.zip", b.SourceDir, app.ServiceID, strings.Replace(volume.VolumeName, "/", "", -1))
hostPath := volume.HostPath
if hostPath != "" && !util.DirIsEmpty(hostPath) {
if err := util.Zip(hostPath, dstDir); err != nil {
logrus.Errorf("backup service(%s) volume(%s) data error.%s", app.ServiceID, volume.VolumeName, err.Error())
return err
}
}
}
b.Logger.Info(fmt.Sprintf("Complete backup application(%s) persistent data", app.Service.ServiceAlias), map[string]string{"step": "backup_builder", "status": "success"})
}
return nil
}
func (b *BackupAPPNew) backupPluginInfo(appSnapshot *AppSnapshot) error {
b.Logger.Info(fmt.Sprintf("Start backup plugin"), map[string]string{"step": "backup_builder", "status": "starting"})
for _, pv := range appSnapshot.PluginBuildVersions {
dstDir := fmt.Sprintf("%s/plugin_%s/image_%s.tar", b.SourceDir, pv.PluginID, pv.DeployVersion)
util.CheckAndCreateDir(filepath.Dir(dstDir))
if _, err := sources.ImagePull(b.DockerClient, pv.BuildLocalImage, "", "", b.Logger, 20); err != nil {
b.Logger.Error(fmt.Sprintf("plugin image: %s; failed to pull image", pv.BuildLocalImage), map[string]string{"step": "backup_builder", "status": "failure"})
logrus.Errorf("plugin image: %s; failed to pull image: %v", pv.BuildLocalImage, err)
return err
}
if err := sources.ImageSave(b.DockerClient, pv.BuildLocalImage, dstDir, b.Logger); err != nil {
b.Logger.Error(util.Translation("save image to local dir error"), map[string]string{"step": "backup_builder", "status": "failure"})
logrus.Errorf("plugin image: %s; failed to save image: %v", pv.BuildLocalImage, err)
return err
}
}
return nil
}
func (b *BackupAPPNew) checkVersionExist(version *dbmodel.VersionInfo) (bool, error) {
if version.DeliveredType == "image" {
imageInfo := sources.ImageNameHandle(version.DeliveredPath)
reg, err := registry.NewInsecure(imageInfo.Host, "", "")
if err != nil {
logrus.Errorf("new registry client error %s", err.Error())
return false, err
}
_, err = reg.Manifest(imageInfo.Name, imageInfo.Tag)
if err != nil {
logrus.Errorf("get image %s manifest info failure, it could be not exist", version.DeliveredPath)
return false, err
}
return true, nil
}
if version.DeliveredType == "slug" {
islugfile, err := os.Stat(version.DeliveredPath)
if os.IsNotExist(err) {
return false, nil
} else if err != nil {
return false, err
}
if islugfile.IsDir() {
return false, nil
}
return true, nil
}
return false, fmt.Errorf("delivered type is invalid")
}
// saveSlugPkg saves slug package on disk.
func (b *BackupAPPNew) saveSlugPkg(app *RegionServiceSnapshot, version *dbmodel.VersionInfo) error {
dstDir := fmt.Sprintf("%s/app_%s/slug_%s.tgz", b.SourceDir, app.ServiceID, version.BuildVersion)
util.CheckAndCreateDir(filepath.Dir(dstDir))
if err := sources.CopyFileWithProgress(version.DeliveredPath, dstDir, b.Logger); err != nil {
b.Logger.Error(util.Translation("push slug file to local dir error"), map[string]string{"step": "backup_builder", "status": "failure"})
logrus.Errorf("copy slug file error when backup app, %s", err.Error())
return err
}
return nil
}
// saveSlugPkg saves image package on disk.
func (b *BackupAPPNew) saveImagePkg(app *RegionServiceSnapshot, version *dbmodel.VersionInfo) error {
dstDir := fmt.Sprintf("%s/app_%s/image_%s.tar", b.SourceDir, app.ServiceID, version.BuildVersion)
util.CheckAndCreateDir(filepath.Dir(dstDir))
if _, err := sources.ImagePull(b.DockerClient, version.DeliveredPath, "", "", b.Logger, 20); err != nil {
b.Logger.Error(util.Translation("error pulling image"), map[string]string{"step": "backup_builder", "status": "failure"})
logrus.Errorf(fmt.Sprintf("image: %s; error pulling image: %v", version.DeliveredPath, err), version.DeliveredPath, err.Error())
}
if err := sources.ImageSave(b.DockerClient, version.DeliveredPath, dstDir, b.Logger); err != nil {
b.Logger.Error(util.Translation("save image to local dir error"), map[string]string{"step": "backup_builder", "status": "failure"})
logrus.Errorf("save image(%s) to local dir error when backup app, %s", version.DeliveredPath, err.Error())
return err
}
return nil
}
//Stop stop
func (b *BackupAPPNew) Stop() error {
return nil
}
//Name return worker name
func (b *BackupAPPNew) Name() string {
return "backup_apps_new"
}
//GetLogger GetLogger
func (b *BackupAPPNew) GetLogger() event.Logger {
return b.Logger
}
//ErrorCallBack if run error will callback
func (b *BackupAPPNew) ErrorCallBack(err error) {
if err != nil {
logrus.Errorf("backup group app failure %s", err)
b.Logger.Error(util.Translation("backup group app failure"), map[string]string{"step": "callback", "status": "failure"})
b.updateBackupStatu("failed")
}
}
func (b *BackupAPPNew) updateBackupStatu(status string) error {
backupstatus, err := db.GetManager().AppBackupDao().GetAppBackup(b.BackupID)
if err != nil {
logrus.Errorf("update backup group app history failure %s", err)
return err
}
backupstatus.Status = status
backupstatus.SourceDir = b.SourceDir
backupstatus.SourceType = b.SourceType
backupstatus.BuckupSize = b.BackupSize
return db.GetManager().AppBackupDao().UpdateModel(backupstatus)
}
//GetVolumeDir get volume path prifix
func GetVolumeDir() (string, string) {
localPath := os.Getenv("LOCAL_DATA_PATH")
sharePath := os.Getenv("SHARE_DATA_PATH")
if localPath == "" {
localPath = "/grlocaldata"
}
if sharePath == "" {
sharePath = "/grdata"
}
return localPath, sharePath
}
//GetServiceType get service deploy type
func GetServiceType(labels []*dbmodel.TenantServiceLable) string {
for _, l := range labels {
if l.LabelKey == dbmodel.LabelKeyServiceType {
return l.LabelValue
}
}
return util.StatelessServiceType
}