108 lines
3.7 KiB
Go
108 lines
3.7 KiB
Go
/*
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Copyright 2016 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 e2e
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import (
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"fmt"
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"os/exec"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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)
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var _ = framework.KubeDescribe("GKE node pools [Feature:GKENodePool]", func() {
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f := framework.NewDefaultFramework("node-pools")
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BeforeEach(func() {
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framework.SkipUnlessProviderIs("gke")
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})
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It("should create a cluster with multiple node pools [Feature:GKENodePool]", func() {
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framework.Logf("Start create node pool test")
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testCreateDeleteNodePool(f, "test-pool")
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})
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})
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func testCreateDeleteNodePool(f *framework.Framework, poolName string) {
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framework.Logf("Create node pool: %q in cluster: %q", poolName, framework.TestContext.CloudConfig.Cluster)
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clusterStr := fmt.Sprintf("--cluster=%s", framework.TestContext.CloudConfig.Cluster)
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out, err := exec.Command("gcloud", "container", "node-pools", "create",
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poolName,
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clusterStr,
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"--num-nodes=2").CombinedOutput()
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framework.Logf("\n%s", string(out))
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if err != nil {
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framework.Failf("Failed to create node pool %q. Err: %v\n%v", poolName, err, string(out))
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}
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framework.Logf("Successfully created node pool %q.", poolName)
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out, err = exec.Command("gcloud", "container", "node-pools", "list",
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clusterStr).CombinedOutput()
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if err != nil {
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framework.Failf("Failed to list node pools from cluster %q. Err: %v\n%v", framework.TestContext.CloudConfig.Cluster, err, string(out))
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}
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framework.Logf("Node pools:\n%s", string(out))
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framework.Logf("Checking that 2 nodes have the correct node pool label.")
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nodeCount := nodesWithPoolLabel(f, poolName)
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if nodeCount != 2 {
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framework.Failf("Wanted 2 nodes with node pool label, got: %v", nodeCount)
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}
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framework.Logf("Success, found 2 nodes with correct node pool labels.")
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framework.Logf("Deleting node pool: %q in cluster: %q", poolName, framework.TestContext.CloudConfig.Cluster)
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out, err = exec.Command("gcloud", "container", "node-pools", "delete",
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poolName,
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clusterStr,
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"-q").CombinedOutput()
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framework.Logf("\n%s", string(out))
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if err != nil {
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framework.Failf("Failed to delete node pool %q. Err: %v\n%v", poolName, err, string(out))
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}
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framework.Logf("Successfully deleted node pool %q.", poolName)
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out, err = exec.Command("gcloud", "container", "node-pools", "list",
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clusterStr).CombinedOutput()
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if err != nil {
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framework.Failf("\nFailed to list node pools from cluster %q. Err: %v\n%v", framework.TestContext.CloudConfig.Cluster, err, string(out))
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}
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framework.Logf("\nNode pools:\n%s", string(out))
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framework.Logf("Checking that no nodes have the deleted node pool's label.")
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nodeCount = nodesWithPoolLabel(f, poolName)
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if nodeCount != 0 {
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framework.Failf("Wanted 0 nodes with node pool label, got: %v", nodeCount)
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}
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framework.Logf("Success, found no nodes with the deleted node pool's label.")
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}
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// nodesWithPoolLabel returns the number of nodes that have the "gke-nodepool"
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// label with the given node pool name.
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func nodesWithPoolLabel(f *framework.Framework, poolName string) int {
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nodeCount := 0
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nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
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for _, node := range nodeList.Items {
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if poolLabel := node.Labels["cloud.google.com/gke-nodepool"]; poolLabel == poolName {
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nodeCount++
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}
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}
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return nodeCount
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}
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