mirror of
https://github.com/stefanprodan/podinfo.git
synced 2026-08-23 22:26:29 +00:00
Add initialize podinfo code repo command
This commit is contained in:
Stefan Prodan
@@ -0,0 +1,283 @@
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package main
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import (
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/hashicorp/go-getter"
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"github.com/spf13/cobra"
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)
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var (
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codeProjectName string
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codeGitUser string
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codeVersion string
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codeProjectPath string
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)
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var codeCmd = &cobra.Command{
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Use: `code`,
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Short: "Code commands",
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}
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var codeInitCmd = &cobra.Command{
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Use: `init [name]`,
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Short: "initialize podinfo code repo",
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Example: ` code init demo-app --version=v1.2.0 --git-user=stefanprodan`,
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RunE: runCodeInit,
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}
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func init() {
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codeInitCmd.Flags().StringVar(&codeGitUser, "git-user", "", "GitHub user or org")
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codeInitCmd.Flags().StringVar(&codeVersion, "version", "master", "podinfo repo tag or branch name")
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codeInitCmd.Flags().StringVar(&codeProjectPath, "path", ".", "destination repo")
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codeCmd.AddCommand(codeInitCmd)
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rootCmd.AddCommand(codeCmd)
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}
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func runCodeInit(cmd *cobra.Command, args []string) error {
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if len(codeGitUser) < 0 {
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return fmt.Errorf("--git-user is required")
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}
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if len(args) < 1 {
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return fmt.Errorf("project name is required")
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}
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codeProjectName = args[0]
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pwd, err := os.Getwd()
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if err != nil {
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log.Fatalf("Error getting pwd: %s", err)
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os.Exit(1)
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}
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tmpPath := "/tmp/k8s-podinfo"
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versionName := fmt.Sprintf("k8s-podinfo-%s", codeVersion)
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downloadURL := fmt.Sprintf("https://github.com/stefanprodan/k8s-podinfo/archive/%s.zip", codeVersion)
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client := &getter.Client{
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Src: downloadURL,
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Dst: tmpPath,
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Pwd: pwd,
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Mode: getter.ClientModeAny,
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}
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fmt.Printf("Downloading %s\n", downloadURL)
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if err := client.Get(); err != nil {
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log.Fatalf("Error downloading: %s", err)
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os.Exit(1)
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}
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pkgFrom := "github.com/stefanprodan/k8s-podinfo"
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pkgTo := fmt.Sprintf("github.com/%s/%s", codeGitUser, codeProjectName)
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if err := replaceImports(tmpPath, pkgFrom, pkgTo); err != nil {
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log.Fatalf("Error parsing imports: %s", err)
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os.Exit(1)
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}
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dirs := []string{"pkg", "cmd", "ui", "vendor", "charts/podinfo", ".github"}
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for _, dir := range dirs {
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err = os.MkdirAll(path.Join(codeProjectPath, dir), os.ModePerm)
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if err != nil {
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log.Fatalf("Error: %s", err)
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os.Exit(1)
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}
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if err := copyDir(path.Join(tmpPath, versionName, dir), path.Join(codeProjectPath, dir)); err != nil {
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log.Fatalf("Error: %s", err)
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os.Exit(1)
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}
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}
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files := []string{"Gopkg.toml", "Gopkg.lock", "Dockerfile.ci"}
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for _, file := range files {
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if err := copyFile(path.Join(tmpPath, versionName, file), path.Join(codeProjectPath, file)); err != nil {
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log.Fatalf("Error: %s", err)
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os.Exit(1)
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}
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fileContent, err := ioutil.ReadFile(path.Join(codeProjectPath, file))
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if err != nil {
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log.Fatalf("Error: %s", err)
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os.Exit(1)
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}
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newContent := strings.Replace(string(fileContent), pkgFrom, pkgTo, -1)
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err = ioutil.WriteFile(path.Join(codeProjectPath, file), []byte(newContent), os.ModePerm)
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if err != nil {
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log.Fatalf("Error: %s", err)
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os.Exit(1)
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}
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}
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fmt.Printf("Done %s\n", codeProjectPath)
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return nil
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}
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func replaceImports(projectPath string, pkgFrom string, pkgTo string) error {
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regexImport, err := regexp.Compile(`(?s)(import(.*?)\)|import.*$)`)
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if err != nil {
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return err
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}
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regexImportedPackage, err := regexp.Compile(`"(.*?)"`)
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if err != nil {
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return err
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}
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found := []string{}
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err = filepath.Walk(projectPath, func(path string, info os.FileInfo, err error) error {
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if filepath.Ext(path) == ".go" {
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bts, err := ioutil.ReadFile(path)
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if err != nil {
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return err
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}
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content := string(bts)
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matches := regexImport.FindAllString(content, -1)
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isExists := false
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isReplacable:
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for _, each := range matches {
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for _, eachLine := range strings.Split(each, "\n") {
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matchesInline := regexImportedPackage.FindAllString(eachLine, -1)
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if err != nil {
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return err
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}
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for _, eachSubline := range matchesInline {
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if strings.Contains(eachSubline, pkgFrom) {
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isExists = true
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break isReplacable
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}
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}
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}
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}
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if isExists {
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content = strings.Replace(content, `"`+pkgFrom+`"`, `"`+pkgTo+`"`, -1)
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content = strings.Replace(content, `"`+pkgFrom+`/`, `"`+pkgTo+`/`, -1)
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found = append(found, path)
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}
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err = ioutil.WriteFile(path, []byte(content), info.Mode())
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if err != nil {
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return err
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}
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}
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return nil
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})
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if err != nil {
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fmt.Println("ERROR", err.Error())
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}
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//for _, path := range found {
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// fmt.Printf("found in %s\n", path)
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//}
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if len(found) == 0 {
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fmt.Println("Nothing replaced")
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} else {
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fmt.Printf("Go imports total %d file replaced\n", len(found))
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}
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return nil
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}
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func copyDir(src string, dst string) error {
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si, err := os.Stat(src)
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if err != nil {
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return err
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}
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if !si.IsDir() {
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return fmt.Errorf("source is not a directory")
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}
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err = os.MkdirAll(dst, si.Mode())
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if err != nil {
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return err
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}
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entries, err := ioutil.ReadDir(src)
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if err != nil {
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return err
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}
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for _, entry := range entries {
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srcPath := filepath.Join(src, entry.Name())
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dstPath := filepath.Join(dst, entry.Name())
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if entry.IsDir() {
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err = copyDir(srcPath, dstPath)
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if err != nil {
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return err
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}
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} else {
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// Skip symlinks.
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if entry.Mode()&os.ModeSymlink != 0 {
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continue
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}
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err = copyFile(srcPath, dstPath)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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func copyFile(src, dst string) (err error) {
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in, err := os.Open(src)
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if err != nil {
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return
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return
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}
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defer func() {
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if e := out.Close(); e != nil {
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err = e
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}
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}()
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_, err = io.Copy(out, in)
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if err != nil {
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return
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}
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err = out.Sync()
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if err != nil {
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return
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}
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si, err := os.Stat(src)
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if err != nil {
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return
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}
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err = os.Chmod(dst, si.Mode())
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if err != nil {
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return
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}
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return
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}
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@@ -0,0 +1,32 @@
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---
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apiVersion: networking.istio.io/v1alpha3
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kind: VirtualService
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metadata:
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name: grafana
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namespace: adm
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spec:
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hosts:
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- "helm.iowa.weavedx.com"
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gateways:
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- public-gateway.istio-system.svc.cluster.local
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http:
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- route:
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- destination:
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host: chartmuseum-chartmuseum
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timeout: 30s
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---
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apiVersion: networking.istio.io/v1alpha3
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kind: VirtualService
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metadata:
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name: kubeapps
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namespace: adm
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spec:
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hosts:
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- "kubeapps.iowa.weavedx.com"
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gateways:
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- public-gateway.istio-system.svc.cluster.local
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http:
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- route:
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- destination:
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host: kubeapps
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timeout: 30s
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