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2f6c4f5eab
All code must use the context from Ginkgo when doing API calls or polling for a change, otherwise the code would not return immediately when the test gets aborted.
103 lines
3.4 KiB
Go
103 lines
3.4 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gce
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import (
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"context"
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"fmt"
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"strings"
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"time"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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// RecreateNodes recreates the given nodes in a managed instance group.
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func RecreateNodes(c clientset.Interface, nodes []v1.Node) error {
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// Build mapping from zone to nodes in that zone.
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nodeNamesByZone := make(map[string][]string)
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for i := range nodes {
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node := &nodes[i]
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if zone, ok := node.Labels[v1.LabelFailureDomainBetaZone]; ok {
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nodeNamesByZone[zone] = append(nodeNamesByZone[zone], node.Name)
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continue
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}
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if zone, ok := node.Labels[v1.LabelTopologyZone]; ok {
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nodeNamesByZone[zone] = append(nodeNamesByZone[zone], node.Name)
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continue
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}
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defaultZone := framework.TestContext.CloudConfig.Zone
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nodeNamesByZone[defaultZone] = append(nodeNamesByZone[defaultZone], node.Name)
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}
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// Find the sole managed instance group name
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var instanceGroup string
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if strings.Index(framework.TestContext.CloudConfig.NodeInstanceGroup, ",") >= 0 {
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return fmt.Errorf("Test does not support cluster setup with more than one managed instance group: %s", framework.TestContext.CloudConfig.NodeInstanceGroup)
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}
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instanceGroup = framework.TestContext.CloudConfig.NodeInstanceGroup
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// Recreate the nodes.
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for zone, nodeNames := range nodeNamesByZone {
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args := []string{
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"compute",
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fmt.Sprintf("--project=%s", framework.TestContext.CloudConfig.ProjectID),
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"instance-groups",
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"managed",
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"recreate-instances",
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instanceGroup,
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}
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args = append(args, fmt.Sprintf("--instances=%s", strings.Join(nodeNames, ",")))
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args = append(args, fmt.Sprintf("--zone=%s", zone))
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framework.Logf("Recreating instance group %s.", instanceGroup)
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stdout, stderr, err := framework.RunCmd("gcloud", args...)
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if err != nil {
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return fmt.Errorf("error recreating nodes: %s\nstdout: %s\nstderr: %s", err, stdout, stderr)
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}
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}
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return nil
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}
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// WaitForNodeBootIdsToChange waits for the boot ids of the given nodes to change in order to verify the node has been recreated.
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func WaitForNodeBootIdsToChange(ctx context.Context, c clientset.Interface, nodes []v1.Node, timeout time.Duration) error {
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errMsg := []string{}
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for i := range nodes {
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node := &nodes[i]
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if err := wait.PollWithContext(ctx, 30*time.Second, timeout, func(ctx context.Context) (bool, error) {
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newNode, err := c.CoreV1().Nodes().Get(ctx, node.Name, metav1.GetOptions{})
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if err != nil {
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framework.Logf("Could not get node info: %s. Retrying in %v.", err, 30*time.Second)
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return false, nil
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}
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return node.Status.NodeInfo.BootID != newNode.Status.NodeInfo.BootID, nil
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}); err != nil {
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errMsg = append(errMsg, "Error waiting for node %s boot ID to change: %s", node.Name, err.Error())
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}
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}
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if len(errMsg) > 0 {
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return fmt.Errorf(strings.Join(errMsg, ","))
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}
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return nil
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}
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