func extinguish(c *client.Client, totalNS int, maxAllowedAfterDel int, maxSeconds int) {
var err error
By("Creating testing namespaces")
wg := &sync.WaitGroup{}
for n := 0; n < totalNS; n += 1 {
wg.Add(1)
go func(n int) {
defer wg.Done()
defer GinkgoRecover()
_, err = createTestingNS(fmt.Sprintf("nslifetest-%v", n), c)
Expect(err).NotTo(HaveOccurred())
}(n)
}
wg.Wait()
//Wait 10 seconds, then SEND delete requests for all the namespaces.
By("Waiting 10 seconds")
time.Sleep(time.Duration(10 * time.Second))
deleted, err := deleteNamespaces(c, []string{"nslifetest"}, nil /* skipFilter */)
Expect(err).NotTo(HaveOccurred())
Expect(len(deleted)).To(Equal(totalNS))
By("Waiting for namespaces to vanish")
//Now POLL until all namespaces have been eradicated.
expectNoError(wait.Poll(2*time.Second, time.Duration(maxSeconds)*time.Second,
func() (bool, error) {
var cnt = 0
nsList, err := c.Namespaces().List(labels.Everything(), fields.Everything())
if err != nil {
return false, err
}
for _, item := range nsList.Items {
if strings.Contains(item.Name, "nslifetest") {
cnt++
}
}
if cnt > maxAllowedAfterDel {
Logf("Remaining namespaces : %v", cnt)
return false, nil
}
return true, nil
}))
}