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[Federation][e2e] Add wait for namespaces to appear in federated cluster #42584

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Mar 7, 2017
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[Federation][e2e] Add wait for namespaces to appear in federated cluster #42584

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21 changes: 21 additions & 0 deletions test/e2e_federation/util.go
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,10 @@ var (
FederatedSvcNodePort = int32(32256)
)

const (
federatedNamespaceTimeout = 5 * time.Minute
)

var FederationSuite common.Suite

// cluster keeps track of the assorted objects and state related to each cluster
Expand Down Expand Up @@ -188,6 +192,22 @@ func unregisterClusters(clusters map[string]*cluster, f *fedframework.Framework)
}
}

// waitForNamespaceInFederatedClusters waits for the federated namespace to be created in federated clusters
func waitForNamespaceInFederatedClusters(clusters map[string]*cluster, nsName string, timeout time.Duration) {
for name, c := range clusters {
err := wait.PollImmediate(framework.Poll, timeout, func() (bool, error) {
_, err := c.Clientset.Core().Namespaces().Get(nsName, metav1.GetOptions{})
if err != nil {
By(fmt.Sprintf("Waiting for namespace %q to be created in cluster %q, err: %v", nsName, name, err))
return false, nil
}
By(fmt.Sprintf("Namespace %q exists in cluster %q", nsName, name))
return true, nil
})
framework.ExpectNoError(err, "Failed to verify federated namespace %q creation in cluster %q", nsName, name)
}
}

// can not be moved to util, as By and Expect must be put in Ginkgo test unit
func getRegisteredClusters(userAgentName string, f *fedframework.Framework) (map[string]*cluster, string) {
clusters := make(map[string]*cluster)
Expand All @@ -209,6 +229,7 @@ func getRegisteredClusters(userAgentName string, f *fedframework.Framework) (map
Expect(framework.TestContext.KubeConfig).ToNot(Equal(""), "KubeConfig must be specified to load clusters' client config")
clusters[c.Name] = &cluster{c.Name, createClientsetForCluster(c, i, userAgentName), false, nil}
}
waitForNamespaceInFederatedClusters(clusters, f.FederationNamespace.Name, federatedNamespaceTimeout)
return clusters, primaryClusterName
}

Expand Down