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zot/test/common.go

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package test
import (
"fmt"
"io"
"io/ioutil"
"os"
"path"
"time"
"github.com/phayes/freeport"
"gopkg.in/resty.v1"
)
const (
BaseURL = "http://127.0.0.1:%s"
BaseSecureURL = "https://127.0.0.1:%s"
SleepTime = 100 * time.Millisecond
)
func GetFreePort() string {
port, err := freeport.GetFreePort()
if err != nil {
panic(err)
}
return fmt.Sprint(port)
}
func GetBaseURL(port string) string {
return fmt.Sprintf(BaseURL, port)
}
func GetSecureBaseURL(port string) string {
return fmt.Sprintf(BaseSecureURL, port)
}
func MakeHtpasswdFile() string {
// bcrypt(username="test", passwd="test")
content := "test:$2y$05$hlbSXDp6hzDLu6VwACS39ORvVRpr3OMR4RlJ31jtlaOEGnPjKZI1m\n"
return MakeHtpasswdFileFromString(content)
}
func MakeHtpasswdFileFromString(fileContent string) string {
f, err := ioutil.TempFile("", "htpasswd-")
if err != nil {
panic(err)
}
// bcrypt(username="test", passwd="test")
content := []byte(fileContent)
if err := ioutil.WriteFile(f.Name(), content, 0600); err != nil {
panic(err)
}
return f.Name()
}
func Location(baseURL string, resp *resty.Response) string {
// For some API responses, the Location header is set and is supposed to
// indicate an opaque value. However, it is not clear if this value is an
// absolute URL (https://server:port/v2/...) or just a path (/v2/...)
// zot implements the latter as per the spec, but some registries appear to
// return the former - this needs to be clarified
loc := resp.Header().Get("Location")
return baseURL + loc
}
func CopyFiles(sourceDir string, destDir string) error {
sourceMeta, err := os.Stat(sourceDir)
if err != nil {
return err
}
if err := os.MkdirAll(destDir, sourceMeta.Mode()); err != nil {
return err
}
files, err := ioutil.ReadDir(sourceDir)
if err != nil {
return err
}
for _, file := range files {
sourceFilePath := path.Join(sourceDir, file.Name())
destFilePath := path.Join(destDir, file.Name())
if file.IsDir() {
if err = CopyFiles(sourceFilePath, destFilePath); err != nil {
return err
}
} else {
sourceFile, err := os.Open(sourceFilePath)
if err != nil {
return err
}
defer sourceFile.Close()
destFile, err := os.Create(destFilePath)
if err != nil {
return err
}
defer destFile.Close()
if _, err = io.Copy(destFile, sourceFile); err != nil {
return err
}
}
}
return nil
}
func WaitTillServerReady(url string) {
for {
_, err := resty.R().Get(url)
if err == nil {
break
}
time.Sleep(SleepTime)
}
}