Merge branch '19388-activity-logs'

[arvados.git] / sdk / go / arvados / client.go

diff --git a/sdk/go/arvados/client.go b/sdk/go/arvados/client.go
index cdc07bb0afd2c80b09985ad28f18c6c0fa1abcde..4dead0ada9143231a1b34c1700174279e64cfe83 100644 (file)
--- a/sdk/go/arvados/client.go
+++ b/sdk/go/arvados/client.go
@@ -7,6 +7,7 @@ package arvados
 import (
        "bytes"
        "context"
+       "crypto/rand"
        "crypto/tls"
        "encoding/json"
        "errors"
@@ -15,6 +16,7 @@ import (
        "io/fs"
        "io/ioutil"
        "log"
+       "math/big"
        "net"
        "net/http"
        "net/url"
@@ -599,3 +601,13 @@ func (c *Client) PathForUUID(method, uuid string) (string, error) {
        }
        return path, nil
 }
+
+var maxUUIDInt = (&big.Int{}).Exp(big.NewInt(36), big.NewInt(15), nil)
+
+func RandomUUID(clusterID, infix string) string {
+       n, err := rand.Int(rand.Reader, maxUUIDInt)
+       if err != nil {
+               panic(err)
+       }
+       return clusterID + "-" + infix + "-" + n.Text(36)
+}