Merge pull request #60130 from aleksandra-malinowska/autoscaling-test-fix-14

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix getting pool size in autoscaling e2e tests

Command fails due to missing quotation marks, causing tests to fail:

```I0221 01:01:09.140] I0221 01:01:09.138464    1873 cluster_size_autoscaling.go:956] Executing: gcloud container node-pools describe extra-pool --quiet --cluster=e2e-5481 --format=value(initialNodeCount) --zone=us-central1-f --project=k8s-e2e-gci-gke-autoscaling
I0221 01:01:09.842] I0221 01:01:09.842393    1873 cluster_size_autoscaling.go:1331] Node-pool initial size: 
I0221 01:01:09.843] [AfterEach] [sig-autoscaling] Cluster size autoscaling [Slow]
```

```release-note
NONE
```
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Kubernetes Submit Queue 2018-02-21 03:44:07 -08:00 committed by GitHub
commit 89156e7abf
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@ -1326,7 +1326,7 @@ func getPoolInitialSize(poolName string) int {
// get initial node count
args := []string{"container", "node-pools", "describe", poolName, "--quiet",
"--cluster=" + framework.TestContext.CloudConfig.Cluster,
"--format=value(initialNodeCount)"}
"--format=\"value(initialNodeCount)\""}
output, err := execCmd(getGcloudCommand(args)...).CombinedOutput()
glog.Infof("Node-pool initial size: %s", output)
framework.ExpectNoError(err)
@ -1338,7 +1338,7 @@ func getPoolInitialSize(poolName string) int {
// get number of node pools
args = []string{"container", "node-pools", "describe", poolName, "--quiet",
"--cluster=" + framework.TestContext.CloudConfig.Cluster,
"--format=value(instanceGroupUrls)"}
"--format=\"value(instanceGroupUrls)\""}
output, err = execCmd(getGcloudCommand(args)...).CombinedOutput()
framework.ExpectNoError(err)
nodeGroupCount := len(strings.Split(string(output), ";"))