rand: generate a new seed each time a new ID is required

To avoid generating the same container ID or name for two different tests, the random seed should be generated when the random string is required. fixes kata-containers#1304 Signed-off-by: Julio Montes <[email protected]>
devimc · Mar 14, 2019 · 15541e3 · 15541e3
1 parent 256a00e
commit 15541e3
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/rand.go b/rand.go
@@ -13,10 +13,9 @@ const letters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
 
 const lettersMask = 63
 
-var randSrc = rand.NewSource(time.Now().UnixNano())
-
 // RandID returns a random string
 func RandID(n int) string {
+	randSrc := rand.NewSource(time.Now().UnixNano())
 	b := make([]byte, n)
 	for i := 0; i < n; {
 		if j := int(randSrc.Int63() & lettersMask); j < len(letters) {