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minio.go
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minio.go
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package helpers
import (
"crypto/rand"
"fmt"
"net"
"net/http"
"os"
"os/exec"
"testing"
"time"
"github.com/moby/buildkit/util/testutil/integration"
"github.com/pkg/errors"
)
const (
minioBin = "minio"
mcBin = "mc"
)
type MinioOpts struct {
Region string
AccessKeyID string
SecretAccessKey string
}
func NewMinioServer(t *testing.T, sb integration.Sandbox, opts MinioOpts) (address string, bucket string, cl func() error, err error) {
t.Helper()
bucket = randomString(10)
if _, err := exec.LookPath(minioBin); err != nil {
return "", "", nil, errors.Wrapf(err, "failed to lookup %s binary", minioBin)
}
if _, err := exec.LookPath(mcBin); err != nil {
return "", "", nil, errors.Wrapf(err, "failed to lookup %s binary", mcBin)
}
deferF := &integration.MultiCloser{}
cl = deferF.F()
defer func() {
if err != nil {
deferF.F()()
cl = nil
}
}()
l, err := net.Listen("tcp", "localhost:0")
if err != nil {
return "", "", nil, err
}
addr := l.Addr().String()
if err = l.Close(); err != nil {
return "", "", nil, err
}
address = "http://" + addr
// start server
cmd := exec.Command(minioBin, "server", "--json", "--address", addr, t.TempDir())
cmd.Env = append(os.Environ(), []string{
"MINIO_ROOT_USER=" + opts.AccessKeyID,
"MINIO_ROOT_PASSWORD=" + opts.SecretAccessKey,
}...)
minioStop, err := integration.StartCmd(cmd, sb.Logs())
if err != nil {
return "", "", nil, err
}
if err = waitMinio(address, 15*time.Second); err != nil {
minioStop()
return "", "", nil, errors.Wrapf(err, "minio did not start up: %s", integration.FormatLogs(sb.Logs()))
}
deferF.Append(minioStop)
// create alias config
alias := randomString(10)
cmd = exec.Command(mcBin, "alias", "set", alias, address, opts.AccessKeyID, opts.SecretAccessKey)
if err := integration.RunCmd(cmd, sb.Logs()); err != nil {
return "", "", nil, err
}
deferF.Append(func() error {
return exec.Command(mcBin, "alias", "rm", alias).Run()
})
// create bucket
cmd = exec.Command(mcBin, "mb", "--region", opts.Region, fmt.Sprintf("%s/%s", alias, bucket)) // #nosec G204
if err := integration.RunCmd(cmd, sb.Logs()); err != nil {
return "", "", nil, err
}
// trace
cmd = exec.Command(mcBin, "admin", "trace", "--json", alias)
traceStop, err := integration.StartCmd(cmd, sb.Logs())
if err != nil {
return "", "", nil, err
}
deferF.Append(traceStop)
return
}
func waitMinio(address string, d time.Duration) error {
step := 1 * time.Second
i := 0
for {
if resp, err := http.Get(fmt.Sprintf("%s/minio/health/live", address)); err == nil {
resp.Body.Close()
break
}
i++
if time.Duration(i)*step > d {
return errors.Errorf("failed dialing: %s", address)
}
time.Sleep(step)
}
return nil
}
func randomString(n int) string {
chars := "abcdefghijklmnopqrstuvwxyz"
var b = make([]byte, n)
_, _ = rand.Read(b)
for k, v := range b {
b[k] = chars[v%byte(len(chars))]
}
return string(b)
}