// GenerateRandomAlphaOnlyString generates an alphabetical random string with length n.
func GenerateRandomAlphaOnlyString(n int) string {
// make a really long string
letters := []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
b := make([]byte, n)
r := rand.New(random.NewSource())
for i := range b {
b[i] = letters[r.Intn(len(letters))]
}
return string(b)
}
"wilson",
// Steve Wozniak invented the Apple I and Apple II. https://en.wikipedia.org/wiki/Steve_Wozniak
"wozniak",
// The Wright brothers, Orville and Wilbur - credited with inventing and building the world's first successful airplane and making the first controlled, powered and sustained heavier-than-air human flight - https://en.wikipedia.org/wiki/Wright_brothers
"wright",
// Rosalyn Sussman Yalow - Rosalyn Sussman Yalow was an American medical physicist, and a co-winner of the 1977 Nobel Prize in Physiology or Medicine for development of the radioimmunoassay technique. https://en.wikipedia.org/wiki/Rosalyn_Sussman_Yalow
"yalow",
// Ada Yonath - an Israeli crystallographer, the first woman from the Middle East to win a Nobel prize in the sciences. https://en.wikipedia.org/wiki/Ada_Yonath
"yonath",
}
rnd = rand.New(random.NewSource())
)
// GetRandomName generates a random name from the list of adjectives and surnames in this package
// formatted as "adjective_surname". For example 'focused_turing'. If retry is non-zero, a random
// integer between 0 and 10 will be added to the end of the name, e.g `focused_turing3`
func GetRandomName(retry int) string {
begin:
name := fmt.Sprintf("%s_%s", left[rnd.Intn(len(left))], right[rnd.Intn(len(right))])
if name == "boring_wozniak" /* Steve Wozniak is not boring */ {
goto begin
}
if retry > 0 {
name = fmt.Sprintf("%s%d", name, rnd.Intn(10))
}
package ioutils
import (
"bytes"
"crypto/sha256"
"encoding/hex"
"io"
"math/rand"
"sync"
"time"
"github.com/docker/docker/pkg/random"
)
var rndSrc = random.NewSource()
type readCloserWrapper struct {
io.Reader
closer func() error
}
func (r *readCloserWrapper) Close() error {
return r.closer()
}
// NewReadCloserWrapper returns a new io.ReadCloser.
func NewReadCloserWrapper(r io.Reader, closer func() error) io.ReadCloser {
return &readCloserWrapper{
Reader: r,
closer: closer,
}
