func waitForNodeReady() {
const (
// nodeReadyTimeout is the time to wait for node to become ready.
nodeReadyTimeout = 2 * time.Minute
// nodeReadyPollInterval is the interval to check node ready.
nodeReadyPollInterval = 1 * time.Second
)
client, err := getAPIServerClient()
Expect(err).NotTo(HaveOccurred(), "should be able to get apiserver client.")
Eventually(func() error {
node, err := getNode(client)
if err != nil {
return fmt.Errorf("failed to get node: %v", err)
}
if !v1.IsNodeReady(node) {
return fmt.Errorf("node is not ready: %+v", node)
}
return nil
}, nodeReadyTimeout, nodeReadyPollInterval).Should(Succeed())
}
func CreateClientAndWaitForAPI(adminConfig *clientcmdapi.Config) (*clientset.Clientset, error) {
adminClientConfig, err := clientcmd.NewDefaultClientConfig(
*adminConfig,
&clientcmd.ConfigOverrides{},
).ClientConfig()
if err != nil {
return nil, fmt.Errorf("failed to create API client configuration [%v]", err)
}
client, err := clientset.NewForConfig(adminClientConfig)
if err != nil {
return nil, fmt.Errorf("failed to create API client [%v]", err)
}
fmt.Println("[apiclient] Created API client, waiting for the control plane to become ready")
start := time.Now()
wait.PollInfinite(apiCallRetryInterval, func() (bool, error) {
cs, err := client.ComponentStatuses().List(v1.ListOptions{})
if err != nil {
return false, nil
}
// TODO(phase2) must revisit this when we implement HA
if len(cs.Items) < 3 {
fmt.Println("[apiclient] Not all control plane components are ready yet")
return false, nil
}
for _, item := range cs.Items {
for _, condition := range item.Conditions {
if condition.Type != v1.ComponentHealthy {
fmt.Printf("[apiclient] Control plane component %q is still unhealthy: %#v\n", item.ObjectMeta.Name, item.Conditions)
return false, nil
}
}
}
fmt.Printf("[apiclient] All control plane components are healthy after %f seconds\n", time.Since(start).Seconds())
return true, nil
})
fmt.Println("[apiclient] Waiting for at least one node to register and become ready")
start = time.Now()
wait.PollInfinite(apiCallRetryInterval, func() (bool, error) {
nodeList, err := client.Nodes().List(v1.ListOptions{})
if err != nil {
fmt.Println("[apiclient] Temporarily unable to list nodes (will retry)")
return false, nil
}
if len(nodeList.Items) < 1 {
return false, nil
}
n := &nodeList.Items[0]
if !v1.IsNodeReady(n) {
fmt.Println("[apiclient] First node has registered, but is not ready yet")
return false, nil
}
fmt.Printf("[apiclient] First node is ready after %f seconds\n", time.Since(start).Seconds())
return true, nil
})
createDummyDeployment(client)
return client, nil
}
func CreateClientAndWaitForAPI(file string) (*clientset.Clientset, error) {
client, err := CreateClientFromFile(file)
if err != nil {
return nil, err
}
fmt.Println("[apiclient] Created API client, waiting for the control plane to become ready")
start := time.Now()
wait.PollInfinite(apiCallRetryInterval, func() (bool, error) {
// TODO: use /healthz API instead of this
cs, err := client.ComponentStatuses().List(v1.ListOptions{})
if err != nil {
if apierrs.IsForbidden(err) {
fmt.Print("\r[apiclient] Waiting for the API server to create RBAC policies")
}
return false, nil
}
fmt.Println("\n[apiclient] RBAC policies created")
// TODO(phase2) must revisit this when we implement HA
if len(cs.Items) < 3 {
fmt.Println("[apiclient] Not all control plane components are ready yet")
return false, nil
}
for _, item := range cs.Items {
for _, condition := range item.Conditions {
if condition.Type != v1.ComponentHealthy {
fmt.Printf("[apiclient] Control plane component %q is still unhealthy: %#v\n", item.ObjectMeta.Name, item.Conditions)
return false, nil
}
}
}
fmt.Printf("[apiclient] All control plane components are healthy after %f seconds\n", time.Since(start).Seconds())
return true, nil
})
fmt.Println("[apiclient] Waiting for at least one node to register and become ready")
start = time.Now()
wait.PollInfinite(apiCallRetryInterval, func() (bool, error) {
nodeList, err := client.Nodes().List(v1.ListOptions{})
if err != nil {
fmt.Println("[apiclient] Temporarily unable to list nodes (will retry)")
return false, nil
}
if len(nodeList.Items) < 1 {
return false, nil
}
n := &nodeList.Items[0]
if !v1.IsNodeReady(n) {
fmt.Println("[apiclient] First node has registered, but is not ready yet")
return false, nil
}
fmt.Printf("[apiclient] First node is ready after %f seconds\n", time.Since(start).Seconds())
return true, nil
})
createDummyDeployment(client)
return client, nil
}