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Poll w/ timeout for nodeport to disappear.
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parent
e1fa6e9fb8
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@ -42,7 +42,9 @@ import (
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// Maximum time a kube-proxy daemon on a node is allowed to not
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// notice a Service update, such as type=NodePort.
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const kubeProxyLagTimeout = 45 * time.Second
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// TODO: This timeout should be O(10s), observed values are O(1m), 5m is very
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// liberal. Fix tracked in #20567.
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const kubeProxyLagTimeout = 5 * time.Minute
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// This should match whatever the default/configured range is
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var ServiceNodePortRange = utilnet.PortRange{Base: 30000, Size: 2768}
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@ -769,9 +771,17 @@ var _ = Describe("Services", func() {
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hostExec := LaunchHostExecPod(f.Client, f.Namespace.Name, "hostexec")
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cmd := fmt.Sprintf(`! ss -ant46 'sport = :%d' | tail -n +2 | grep LISTEN`, nodePort)
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stdout, err := RunHostCmd(hostExec.Namespace, hostExec.Name, cmd)
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if err != nil {
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Failf("expected node port (%d) to not be in use, stdout: %v", nodePort, stdout)
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var stdout string
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if pollErr := wait.PollImmediate(poll, kubeProxyLagTimeout, func() (bool, error) {
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var err error
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stdout, err = RunHostCmd(hostExec.Namespace, hostExec.Name, cmd)
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if err != nil {
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Logf("expected node port (%d) to not be in use, stdout: %v", nodePort, stdout)
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return false, nil
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}
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return true, nil
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}); pollErr != nil {
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Failf("expected node port (%d) to not be in use in %v, stdout: %v", nodePort, kubeProxyLagTimeout, stdout)
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}
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By(fmt.Sprintf("creating service "+serviceName+" with same NodePort %d", nodePort))
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