Merge pull request #123969 from liangyuanpeng/cleanup_rand

cleanup: delete rand.Seed(time.Now().UnixNano()) and using global number generator.

staging/src/k8s.io/client-go/tools/cache/main_test.go

@@ -17,13 +17,10 @@ limitations under the License.
 package cache
 
 import (
-	"math/rand"
 	"os"
 	"testing"
-	"time"
 )
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().UnixNano())
 	os.Exit(m.Run())
 }

staging/src/k8s.io/client-go/tools/record/main_test.go

@@ -17,13 +17,10 @@ limitations under the License.
 package record
 
 import (
-	"math/rand"
 	"os"
 	"testing"
-	"time"
 )
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().UnixNano())
 	os.Exit(m.Run())
 }

staging/src/k8s.io/client-go/util/workqueue/main_test.go

@@ -17,13 +17,10 @@ limitations under the License.
 package workqueue
 
 import (
-	"math/rand"
 	"os"
 	"testing"
-	"time"
 )
 
 func TestMain(m *testing.M) {
-	rand.Seed(time.Now().UnixNano())
 	os.Exit(m.Run())
 }

staging/src/k8s.io/component-base/cli/run.go

@@ -18,9 +18,7 @@ package cli
 
 import (
 	"fmt"
-	"math/rand"
 	"os"
-	"time"
 
 	"github.com/spf13/cobra"
 
@@ -86,7 +84,6 @@ func RunNoErrOutput(cmd *cobra.Command) error {
 }
 
 func run(cmd *cobra.Command) (logsInitialized bool, err error) {
-	rand.Seed(time.Now().UnixNano())
 	defer logs.FlushLogs()
 
 	cmd.SetGlobalNormalizationFunc(cliflag.WordSepNormalizeFunc)