/
import_app.go
578 lines (514 loc) · 18.6 KB
/
import_app.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 (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"time"
"github.com/Sirupsen/logrus"
"github.com/bitly/go-simplejson"
"github.com/docker/docker/client"
"github.com/goodrain/rainbond/api/model"
"github.com/goodrain/rainbond/builder/sources"
"github.com/goodrain/rainbond/db"
"github.com/goodrain/rainbond/event"
"github.com/goodrain/rainbond/util"
"github.com/tidwall/gjson"
)
func init() {
RegisterWorker("import_app", NewImportApp)
}
//ImportApp Export app to specified format(rainbond-app or dockercompose)
type ImportApp struct {
EventID string `json:"event_id"`
Format string `json:"format"`
SourceDir string `json:"source_dir"`
Apps []string `json:"apps"`
ServiceImage model.ServiceImage
ServiceSlug model.ServiceSlug
Logger event.Logger
DockerClient *client.Client
oldAPPPath map[string]string
oldPluginPath map[string]string
}
//NewImportApp create
func NewImportApp(in []byte, m *exectorManager) (TaskWorker, error) {
eventID := gjson.GetBytes(in, "event_id").String()
var serviceImage model.ServiceImage
if err := json.Unmarshal([]byte(gjson.GetBytes(in, "service_image").String()), &serviceImage); err != nil {
logrus.Error("Failed to unmarshal service_image for import: ", err)
return nil, err
}
var serviceSlug model.ServiceSlug
if err := json.Unmarshal([]byte(gjson.GetBytes(in, "service_slug").String()), &serviceSlug); err != nil {
logrus.Error("Failed to unmarshal service_slug for import app: ", err)
return nil, err
}
apps := make([]string, 0, 10)
for _, r := range gjson.GetBytes(in, "apps").Array() {
apps = append(apps, r.String())
}
logger := event.GetManager().GetLogger(eventID)
return &ImportApp{
Format: gjson.GetBytes(in, "format").String(),
SourceDir: gjson.GetBytes(in, "source_dir").String(),
Apps: apps,
ServiceImage: serviceImage,
ServiceSlug: serviceSlug,
Logger: logger,
EventID: eventID,
DockerClient: m.DockerClient,
oldAPPPath: make(map[string]string),
oldPluginPath: make(map[string]string),
}, nil
}
//Stop stop
func (i *ImportApp) Stop() error {
return nil
}
//Name return worker name
func (i *ImportApp) Name() string {
return "export_app"
}
//GetLogger GetLogger
func (i *ImportApp) GetLogger() event.Logger {
return i.Logger
}
//ErrorCallBack if run error will callback
func (i *ImportApp) ErrorCallBack(err error) {
i.updateStatus("failed", "")
}
//Run Run
func (i *ImportApp) Run(timeout time.Duration) error {
if i.Format == "rainbond-app" {
err := i.importApp()
if err != nil {
return err
}
return nil
}
return errors.New("Unsupported the format: " + i.Format)
}
// importApp import app
// support batch import
func (i *ImportApp) importApp() error {
oldSourceDir := i.SourceDir
var datas = "["
tmpDir := oldSourceDir + "/TmpUnzipDir"
for _, app := range i.Apps {
if err := i.updateStatusForApp(app, "importing"); err != nil {
logrus.Errorf("Failed to update status to importing for app %s: %v", app, err)
}
appFile := filepath.Join(oldSourceDir, app)
os.MkdirAll(tmpDir, 0755)
err := util.Unzip(appFile, tmpDir)
if err != nil {
logrus.Errorf("Failed to unzip app file %s : %s", appFile, err.Error())
i.updateStatusForApp(app, "failed")
continue
}
files, _ := ioutil.ReadDir(tmpDir)
if len(files) < 1 {
logrus.Errorf("Failed to read files in tmp dir %s: %v", appFile, err)
continue
}
i.SourceDir = fmt.Sprintf("%s/%s", oldSourceDir, files[0].Name())
if _, err := os.Stat(i.SourceDir); err == nil {
os.RemoveAll(i.SourceDir)
}
err = os.Rename(fmt.Sprintf("%s/%s", tmpDir, files[0].Name()), i.SourceDir)
if err != nil {
logrus.Errorf("Failed to mv source dir to %s: %v", i.SourceDir, err)
continue
}
os.RemoveAll(tmpDir)
// push image and slug file
// 修改json元数据中的镜像和源码包仓库地址为指定地址
metaFile := fmt.Sprintf("%s/metadata.json", i.SourceDir)
logrus.Debug("Change image and slug repo address in: ", metaFile)
data, err := ioutil.ReadFile(metaFile)
meta, err := simplejson.NewJson(data)
if err != nil {
logrus.Errorf("Failed to new json for load app %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
apps, err := meta.Get("apps").Array()
if err != nil {
logrus.Errorf("Failed to get apps from meta for load app %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
for index := range apps {
app := meta.Get("apps").GetIndex(index)
if _, ok := app.CheckGet("service_image"); ok {
app.Set("service_image", i.ServiceImage)
}
if _, ok := app.CheckGet("service_slug"); ok {
app.Set("service_slug", i.ServiceSlug)
}
getAppImage := func() string {
oldname, _ := app.Get("share_image").String()
oldImageName := sources.ImageNameWithNamespaceHandle(oldname)
var image string
if i.ServiceImage.NameSpace == "" {
image = fmt.Sprintf("%s/%s:%s", i.ServiceImage.HubUrl, oldImageName.Name, oldImageName.Tag)
} else {
image = fmt.Sprintf("%s/%s/%s:%s", i.ServiceImage.HubUrl, i.ServiceImage.NameSpace, oldImageName.Name, oldImageName.Tag)
}
return image
}
getAppSlugPath := func() string {
shareSlugPath, _ := app.Get("share_slug_path").String()
if strings.HasPrefix(shareSlugPath, "/grdata/build/tenant/") {
shareSlugPath = strings.Replace(shareSlugPath, "/grdata/build/tenant/", "", 1)
}
if i.ServiceSlug.FtpHost == "" {
shareSlugPath = fmt.Sprintf("/grdata/build/tenant/%s", shareSlugPath)
} else {
info := strings.Split(shareSlugPath, "/")
shareSlugPath = fmt.Sprintf("%s/%s", i.ServiceSlug.NameSpace, strings.Join(info[1:], "/"))
}
return strings.Replace(shareSlugPath, "//", "/", -1)
}
if oldimage, ok := app.CheckGet("share_image"); ok {
appKey, _ := app.Get("service_key").String()
i.oldAPPPath[appKey], _ = oldimage.String()
app.Set("share_image", getAppImage())
}
if oldslug, ok := app.CheckGet("share_slug_path"); ok {
appKey, _ := app.Get("service_key").String()
i.oldAPPPath[appKey], _ = oldslug.String()
app.Set("share_slug_path", getAppSlugPath())
}
apps[index] = app
}
meta.Set("apps", apps)
data, err = meta.MarshalJSON()
if err != nil {
logrus.Errorf("Failed to marshal json for app %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
err = ioutil.WriteFile(metaFile, data, 0644)
if err != nil {
logrus.Errorf("Failed to write metadata load app %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
// load all service version attachment in app
if err := i.loadApps(); err != nil {
logrus.Errorf("Failed to load app %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
// load all plugins
if err := i.importPlugins(); err != nil {
logrus.Errorf("Failed to load app plugin %s: %v", appFile, err)
i.updateStatusForApp(app, "failed")
continue
}
if err := i.updateStatusForApp(app, "success"); err != nil {
logrus.Errorf("Failed to update status to success for app %s: %v", app, err)
continue
}
if datas == "[" {
datas += string(data)
} else {
datas += ", " + string(data)
}
os.Rename(appFile, appFile+".success")
logrus.Debug("Successful import app: ", appFile)
}
datas += "]"
i.SourceDir = oldSourceDir
metadatasFile := fmt.Sprintf("%s/metadatas.json", i.SourceDir)
if err := ioutil.WriteFile(metadatasFile, []byte(datas), 0644); err != nil {
logrus.Errorf("Failed to load apps %s: %v", i.SourceDir, err)
return err
}
// 更新应用状态
if err := i.updateStatus("success", datas); err != nil {
logrus.Errorf("Failed to load apps %s: %v", i.SourceDir, err)
return err
}
return nil
}
//parseApps get apps array from metadata.json
func (i *ImportApp) parseApps() ([]gjson.Result, error) {
i.Logger.Info("解析应用信息", map[string]string{"step": "export-app", "status": "success"})
data, err := ioutil.ReadFile(fmt.Sprintf("%s/metadata.json", i.SourceDir))
if err != nil {
i.Logger.Error("导出应用失败,没有找到应用信息", map[string]string{"step": "read-metadata", "status": "failure"})
logrus.Error("Failed to read metadata file: ", err)
return nil, err
}
arr := gjson.GetBytes(data, "apps").Array()
if len(arr) < 1 {
i.Logger.Error("解析应用列表信息失败", map[string]string{"step": "parse-apps", "status": "failure"})
err := errors.New("not found apps in the metadata")
logrus.Error("Failed to get apps from json: ", err)
return nil, err
}
logrus.Debug("Successful parse apps array from metadata, count: ", len(arr))
return arr, nil
}
func (i *ImportApp) importPlugins() error {
i.Logger.Info("解析插件信息", map[string]string{"step": "import-plugins", "status": "success"})
data, err := ioutil.ReadFile(fmt.Sprintf("%s/metadata.json", i.SourceDir))
if err != nil {
i.Logger.Error("导出插件失败,没有找到应用信息", map[string]string{"step": "read-metadata", "status": "failure"})
logrus.Error("Failed to read metadata file: ", err)
return err
}
// 先修改json数据中的插件镜像服务器地址为新环境中的服务器地址
meta, err := simplejson.NewJson(data)
if err != nil {
logrus.Errorf("Failed to new json for load app %s: %v", i.SourceDir, err)
return err
}
oldPlugins, err := meta.Get("plugins").Array()
if err != nil {
logrus.Errorf("Failed to get plugins from meta for load app %s: %v", i.SourceDir, err)
return nil
}
for index := range oldPlugins {
plugin := meta.Get("plugins").GetIndex(index)
if _, ok := plugin.CheckGet("plugin_image"); ok {
plugin.Set("plugin_image", i.ServiceImage)
}
getImageImage := func() string {
oldname, _ := plugin.Get("share_image").String()
oldImageName := sources.ImageNameWithNamespaceHandle(oldname)
var image string
if i.ServiceImage.NameSpace == "" {
image = fmt.Sprintf("%s/%s:%s", i.ServiceImage.HubUrl, oldImageName.Name, oldImageName.Tag)
} else {
image = fmt.Sprintf("%s/%s/%s:%s", i.ServiceImage.HubUrl, i.ServiceImage.NameSpace, oldImageName.Name, oldImageName.Tag)
}
return image
}
if oldimage, ok := plugin.CheckGet("share_image"); ok {
appKey, _ := plugin.Get("service_key").String()
i.oldPluginPath[appKey], _ = oldimage.String()
plugin.Set("share_image", getImageImage())
}
oldPlugins[index] = plugin
}
meta.Set("plugins", oldPlugins)
data, err = meta.MarshalJSON()
if err != nil {
logrus.Errorf("Failed to marshal json for app %s: %v", i.SourceDir, err)
return err
}
// 修改完毕后写回文件中
err = ioutil.WriteFile(fmt.Sprintf("%s/metadata.json", i.SourceDir), data, 0644)
if err != nil {
logrus.Errorf("Failed to write metadata load app %s: %v", i.SourceDir, err)
return err
}
plugins := gjson.GetBytes(data, "plugins").Array()
for _, plugin := range plugins {
pluginName := plugin.Get("plugin_name").String()
pluginName = unicode2zh(pluginName)
pluginDir := fmt.Sprintf("%s/%s", i.SourceDir, pluginName)
files, err := ioutil.ReadDir(pluginDir)
if err != nil || len(files) < 1 {
logrus.Error("Failed to list in service directory: ", pluginDir)
continue
}
fileName := filepath.Join(pluginDir, files[0].Name())
logrus.Debug("Parse the source file for service: ", fileName)
// 将镜像加载到本地,并上传到仓库
if strings.HasSuffix(fileName, ".image.tar") {
// 加载到本地
if err := sources.ImageLoad(i.DockerClient, fileName, i.Logger); err != nil {
logrus.Error("Failed to load image for service: ", pluginName)
return err
}
// 上传到仓库
user := plugin.Get("plugin_image.hub_user").String()
pass := plugin.Get("plugin_image.hub_password").String()
// 上传之前先要根据新的仓库地址修改镜像名
image := i.oldPluginPath[plugin.Get("service_key").String()]
imageName := sources.ImageNameWithNamespaceHandle(image)
saveImageName := fmt.Sprintf("%s/%s:%s", "goodrain.me", imageName.Name, imageName.Tag)
newImageName := plugin.Get("share_image").String()
if err := sources.ImageTag(i.DockerClient, saveImageName, newImageName, i.Logger, 2); err != nil {
return fmt.Errorf("change plugin image tag(%s => %s) error %s", saveImageName, newImageName, err.Error())
}
// 开始上传
if err := sources.ImagePush(i.DockerClient, saveImageName, user, pass, i.Logger, 15); err != nil {
return fmt.Errorf("push plugin image %s error %s", image, err.Error())
}
logrus.Debug("Successful load and push the plugin image ", image)
}
}
return nil
}
func (i *ImportApp) loadApps() error {
apps, err := i.parseApps()
if err != nil {
return err
}
for _, app := range apps {
// 获取该组件资源文件
serviceName := app.Get("service_cname").String()
serviceName = unicode2zh(serviceName)
serviceDir := fmt.Sprintf("%s/%s", i.SourceDir, serviceName)
files, err := ioutil.ReadDir(serviceDir)
if err != nil || len(files) < 1 {
logrus.Error("Failed to list in service directory: ", serviceDir)
continue
}
fileName := filepath.Join(serviceDir, files[0].Name())
logrus.Debug("Parse the source file for service: ", fileName)
// 判断该用应资源是什么类型
// 如果是镜像,则加载到本地,并上传到仓库
// 如果slug文件,则上传到ftp服务器
if strings.HasSuffix(fileName, ".image.tar") {
// 加载到本地
if err := sources.ImageLoad(i.DockerClient, fileName, i.Logger); err != nil {
logrus.Error("Failed to load image for service: ", serviceName)
return err
}
// 上传到仓库
oldImage := i.oldAPPPath[app.Get("service_key").String()]
oldImageName := sources.ImageNameWithNamespaceHandle(oldImage)
user := app.Get("service_image.hub_user").String()
pass := app.Get("service_image.hub_password").String()
// 上传之前先要根据新的仓库地址修改镜像名
image := app.Get("share_image").String()
if err := sources.ImageTag(i.DockerClient, fmt.Sprintf("%s/%s:%s", "goodrain.me", oldImageName.Name, oldImageName.Tag), image, i.Logger, 15); err != nil {
return fmt.Errorf("change image tag(%s => %s) error %s", fmt.Sprintf("%s/%s:%s", i.ServiceImage.HubUrl, oldImageName.Name, oldImageName.Tag), image, err.Error())
}
// 开始上传
if err := sources.ImagePush(i.DockerClient, image, user, pass, i.Logger, 15); err != nil {
return fmt.Errorf("push image %s error %s", image, err.Error())
}
logrus.Debug("Successful load and push the image ", image)
} else if strings.HasSuffix(fileName, ".tgz") {
shareSlugPath := app.Get("share_slug_path").String()
ftpHost := app.Get("service_slug.ftp_host").String()
ftpPort := app.Get("service_slug.ftp_port").String()
ftpUsername := app.Get("service_slug.ftp_username").String()
ftpPassword := app.Get("service_slug.ftp_password").String()
// if sftp available
if ftpHost != "" && ftpPort != "" {
ftpClient, err := sources.NewSFTPClient(ftpUsername, ftpPassword, ftpHost, ftpPort)
if err != nil {
return err
}
err = ftpClient.PushFile(fileName, shareSlugPath, i.Logger)
ftpClient.Close()
if err != nil {
logrus.Errorf("Failed to upload slug file for group %s: %v", i.SourceDir, err)
return err
}
} else {
if err := util.CheckAndCreateDir(filepath.Dir(shareSlugPath)); err != nil {
logrus.Error("Failed create slug file directory %s error %s ", filepath.Dir(shareSlugPath), err.Error())
return err
}
err := util.CopyFile(fileName, shareSlugPath)
if err != nil {
logrus.Error("Failed to copy slug file to local directory: ", shareSlugPath)
return err
}
}
logrus.Debug("Successful upload slug file: ", fileName)
}
}
logrus.Debug("Successful load apps for group: ", i.SourceDir)
return nil
}
func (i *ImportApp) updateStatus(status, data string) error {
logrus.Debug("Update app status in database to: ", status)
// 从数据库中获取该应用的状态信息
res, err := db.GetManager().AppDao().GetByEventId(i.EventID)
if err != nil {
err = fmt.Errorf("failed to get app %s from db: %s", i.EventID, err.Error())
logrus.Error(err)
return err
}
// 在数据库中更新该应用的状态信息
res.Status = status
if err := db.GetManager().AppDao().UpdateModel(res); err != nil {
err = fmt.Errorf("failed to update app %s: %s", i.EventID, err.Error())
logrus.Error(err)
return err
}
return nil
}
func (i *ImportApp) updateStatusForApp(app, status string) error {
logrus.Debugf("Update status in database for app %s to: %s", app, status)
// 从数据库中获取该应用的状态信息
res, err := db.GetManager().AppDao().GetByEventId(i.EventID)
if err != nil {
err = fmt.Errorf("Failed to get app %s from db: %s", i.EventID, err.Error())
logrus.Error(err)
return err
}
// 在数据库中更新该应用的状态信息
appsMap := str2map(res.Apps)
appsMap[app] = status
res.Apps = map2str(appsMap)
if err := db.GetManager().AppDao().UpdateModel(res); err != nil {
err = fmt.Errorf("Failed to update app %s: %s", i.EventID, err.Error())
logrus.Error(err)
return err
}
return nil
}
func str2map(str string) map[string]string {
result := make(map[string]string, 10)
for _, app := range strings.Split(str, ",") {
appMap := strings.Split(app, ":")
result[appMap[0]] = appMap[1]
}
return result
}
func map2str(m map[string]string) string {
var result string
for k, v := range m {
kv := k + ":" + v
if result == "" {
result += kv
} else {
result += "," + kv
}
}
return result
}
// 只保留"/"后面的部分,并去掉不合法字符,一般用于把导出的镜像文件还原为镜像名
func buildFromLinuxFileName(fileName string) string {
if fileName == "" {
return fileName
}
arr := strings.Split(fileName, "/")
if str := arr[len(arr)-1]; str == "" {
fileName = strings.Replace(fileName, "---", "/", -1)
} else {
fileName = str
}
fileName = strings.Replace(fileName, "--", ":", -1)
fileName = strings.TrimSpace(fileName)
return fileName
}