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@@ -11,7 +11,9 @@ import (
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"os"
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"os/exec"
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"os/user"
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+ "runtime"
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"testing"
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+ "time"
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"errors"
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"fmt"
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@@ -652,3 +654,29 @@ func TestClient_ChangePasswd(t *testing.T) {
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}
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assert.True(t, ok, "password was not changed back")
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}
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+
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+func TestClient_AutoRenew_Goroutine_Count(t *testing.T) {
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+ // Tests that the auto renew of client credentials is not spawning goroutines out of control.
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+ addr := os.Getenv("TEST_KDC_ADDR")
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+ if addr == "" {
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+ addr = testdata.TEST_KDC_ADDR
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+ }
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+ b, err := hex.DecodeString(testdata.TESTUSER1_KEYTAB)
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+ kt, _ := keytab.Parse(b)
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+ c, _ := config.NewConfigFromString(testdata.TEST_KRB5CONF)
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+ c.Realms[0].KDC = []string{addr + ":" + testdata.TEST_KDC}
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+ cl := NewClientWithKeytab("testuser1", "TEST.GOKRB5", kt)
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+ cl.WithConfig(c)
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+
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+ err = cl.Login()
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+ if err != nil {
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+ t.Errorf("error on logging in: %v\n", err)
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+ }
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+ n := runtime.NumGoroutine()
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+ for i := 0; i < 6; i++ {
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+ time.Sleep(time.Second * 20)
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+ if runtime.NumGoroutine() > n {
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+ t.Fatalf("number of goroutines is increasing: should not be more than %d, is %d", n, runtime.NumGoroutine())
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+ }
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+ }
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+}
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Jonathan Turner