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app.go
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app.go
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package pkg
import (
"encoding/json"
"fmt"
"github.com/sealstore/sealbuild/pkg/utils"
"github.com/wonderivan/logger"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
)
func app(templateFile string) {
config := utils.VarsConfig
//生成的文件名称
fileName := config.AppName + config.AppVersion + ".tar"
logger.Warn("app:%s", fileName)
imagesData, _ := ioutil.ReadFile(config.AppImages)
logger.Debug("\njson:%s", string(imagesData))
tmpAppDirName := fmt.Sprintf("/tmp/%s", config.AppName)
_ = os.RemoveAll(tmpAppDirName)
err := os.Mkdir(tmpAppDirName, 0755)
defer func() {
if r := recover(); r != nil {
logger.Error("[globals]创建目录失败: /tmp/"+config.AppName+config.AppVersion, err)
os.Exit(1)
}
}()
if err != nil {
panic(1)
}
var tarFilesArr []string
//images.tar.gz
var images []string
//注意数组转换需要加 &
_ = json.Unmarshal(imagesData, &images)
if len(images) != 0 {
for _, v := range images {
if v != "" {
utils.DockerPull(v)
}
}
tmpImageName := fmt.Sprintf("/tmp/images_%s.tar", config.AppName+config.AppVersion)
utils.DockerSave(tmpImageName, images)
_ = os.Rename(tmpImageName, tmpAppDirName+"/images.tar")
tarFile, _ := os.Open(tmpAppDirName + "/images.tar")
_ = utils.Compress([]*os.File{tarFile}, tmpAppDirName+"/images.tar.gz")
_ = os.RemoveAll(tmpAppDirName + "/images.tar")
tarFilesArr = append(tarFilesArr, "images.tar.gz")
}
//manifests
var shell, manifests string
if config.AppManifests != "" {
_ = os.Mkdir(tmpAppDirName+"/manifests", 0755)
if err = utils.CopyDir(config.AppManifests, tmpAppDirName+"/manifests"); err == nil {
tarFilesArr = append(tarFilesArr, "manifests")
if utils.VarsConfig.AppKustomize {
shell = "kubectl apply -k manifests"
} else {
shell = "kubectl apply -f manifests"
}
manifests = "manifests"
}
}
//config.json
var templateFileContent string
if templateFile == "" {
templateFileContent = TemplateText()
} else {
templateFileData, err := ioutil.ReadFile(templateFile)
templateFileContent = string(templateFileData)
defer func() {
if r := recover(); r != nil {
logger.Error("[globals]template file read failed:", err)
}
}()
if err != nil {
panic(1)
}
}
writeFile(tmpAppDirName+"/config", templateContent(templateFileContent, shell, strings.Join(images, " "), manifests))
tarFilesArr = append(tarFilesArr, "config")
//files
if config.AppFiles != "" {
files := strings.Split(config.AppFiles, ",")
for _, v := range files {
f := filepath.Base(v)
_, err = utils.CopyFile(v, tmpAppDirName+"/"+f)
tarFilesArr = append(tarFilesArr, f)
}
}
//tar
tmpAppDir, _ := os.Open(tmpAppDirName)
var tarFiles []*os.File
tarFiles = append(tarFiles, tmpAppDir)
logger.Info("[globals]开始创建压缩包。")
shellTar := fmt.Sprintf("cd %s && tar cvf %s %s", tmpAppDirName, fileName, strings.Join(tarFilesArr, " "))
cmd := exec.Command("/bin/bash", "-c", shellTar)
err = cmd.Run()
//err = utils.Tar(tarFilesArr,config.Path+"/"+fileName)
////err = utils.Compress(tarFiles, config.Path+"/"+fileName)
defer func() {
if r := recover(); r != nil {
logger.Error("[globals]创建tar失败: ", err)
os.Exit(1)
}
}()
if err != nil {
panic(1)
}
_, err = utils.CopyFile(tmpAppDirName+"/"+fileName, config.Path+"/"+fileName)
defer func() {
if r := recover(); r != nil {
logger.Error("[globals]创建tar失败: ", err)
os.Exit(1)
}
}()
if err != nil {
panic(1)
}
logger.Info("[globals]创建压缩包成功。")
}