init and first commit

README.md

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+download file or transfer docker image from [katacode](https://katacoda.com/courses/ubuntu/playground) or machine abroad
+
+# useage:
+go get githu.com/xilu0/transfer
+transfer --uerser=heishui --password="" --usr=https://golang.google.cn/dl/go1.15.windows-amd64.msi --image=vmware/photon:1.0

main.go

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+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+var url string
+var image string
+var registry string
+var repository string
+var user string
+var password string
+
+func init() {
+	flag.StringVar(&url, "url", "", "url of file you want download")
+	flag.StringVar(&image, "image", "", "full adress of your image  you want transfer")
+	flag.StringVar(&registry, "registry", "docker.io", "your registry to save your image")
+	flag.StringVar(&repository, "repository", "heishui", "your repository to save your image")
+	flag.StringVar(&user, "user", "heishui", "user of your repository")
+	flag.StringVar(&password, "password", "", "password of your repository")
+}
+func main() {
+	// file := GetFile("https://golang.google.cn/dl/go1.15.windows-amd64.msi")
+	// fmt.Println(file)
+	flag.Parse()
+	fmt.Println(runtime.GOOS)
+	// fmt.Println(image)
+	if image != "" {
+		cmd := exec.Command("docker", "pull", image)
+		stdoutStderr, err := cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+		myImage := GetImage(image)
+		fmt.Println(myImage)
+		cmd = exec.Command("docker", "tag", image, myImage)
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+		cmd = exec.Command("docker", "login", "--username="+user, "--password="+password)
+		fmt.Println(cmd.String())
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+		cmd = exec.Command("docker", "push", myImage)
+		fmt.Println(cmd.String())
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+	}
+	if url != "" {
+		cmd := exec.Command("wget", url)
+		// cmd := exec.Command("ls")
+		stdoutStderr, err := cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+		file := GetFile(url)
+		fmt.Println(file)
+		f, err := os.Create("Dockerfile")
+		ct := "from scratch\ncopy " + file + " /"
+		defer func() {
+			if err = f.Close(); err != nil {
+				log.Fatal(err)
+			}
+		}()
+		l, err := f.WriteString(ct)
+		fmt.Println(l, " bytes written successfully!")
+		newFullImage := registry + "/" + repository + "/" + strings.ToLower(file)
+		cmd = exec.Command("docker", "build", "-t", newFullImage, ".")
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+		cmd = exec.Command("docker", "login", "--username="+user, "--password="+password)
+		fmt.Println(cmd.String())
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		cmd = exec.Command("docker", "push", newFullImage)
+		stdoutStderr, err = cmd.CombinedOutput()
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("%s\n", stdoutStderr)
+	}
+}
+func GetImage(name string) string {
+	newImage := strings.Split(name, "/")[2]
+	newFullImage := registry + "/" + repository + "/" + newImage
+	return newFullImage
+}
+
+func GetFile(url string) string {
+	FileArry := strings.Split(url, "/")
+	file := FileArry[len(FileArry)-1]
+	// fmt.Println(file)
+	return file
+}

main_test.go

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+package main
+
+import (
+	"testing"
+)
+
+// func TestGetFile(t *testing.T) {
+// 	file := GetFile("https://golang.google.cn/dl/go1.15.windows-amd64.msi")
+// 	fmt.Println(file)
+// }
+
+func TestWriteDockerfile(t *testing.T) {
+	WriteDockerfile()
+}