begin move to go-restful

cmd/dkl-local-server/ulid.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"io"
+	"math/rand"
+	"time"
+
+	ulidp "github.com/oklog/ulid"
+)
+
+var (
+	ulidCtx struct{ entropy io.Reader }
+)
+
+func initUlid() {
+	entropy := ulidp.Monotonic(rand.New(rand.NewSource(time.Now().UnixNano())), 0)
+	ulidCtx.entropy = entropy
+}
+
+func ulid() string {
+	return ulidp.MustNew(ulidp.Now(), ulidCtx.entropy).String()
+}