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e2e-topology-manager: Wait for SR-IOV device plugin

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Make sure the SR-IOV device plugin is ready, and that
there are enough SR-IOV devices allocatable before
spinning up test pods.

Signed-off-by: vpickard <vpickard@redhat.com>
This commit is contained in:
vpickard 2020-03-03 14:52:15 -05:00
parent 06b798781a
commit 61565b3f6c
1 changed files with 13 additions and 6 deletions
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19
test/e2e_node/topology_manager_test.go
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@ -20,6 +20,7 @@ import (
"context"
"fmt"
"io/ioutil"
testutils "k8s.io/kubernetes/test/utils"
"os/exec"
"regexp"
"strconv"
@ -50,8 +51,9 @@ import (
const (
numalignCmd = `export CPULIST_ALLOWED=$( awk -F":\t*" '/Cpus_allowed_list/ { print $2 }' /proc/self/status); env; sleep 1d`
minNumaNodes = 2
minCoreCount = 4
minNumaNodes = 2
minCoreCount = 4
minSriovResource = 7 // This is the min number of SRIOV VFs needed on the system under test.
)
// Helper for makeTopologyManagerPod().
@ -284,8 +286,9 @@ func readServiceAccountV1OrDie(objBytes []byte) *v1.ServiceAccount {
}
func findSRIOVResource(node *v1.Node) (string, int64) {
framework.Logf("Node status allocatable: %v", node.Status.Allocatable)
re := regexp.MustCompile(`^intel.com/.*sriov.*`)
for key, val := range node.Status.Capacity {
for key, val := range node.Status.Allocatable {
resource := string(key)
if re.MatchString(resource) {
v := val.Value()
@ -666,16 +669,20 @@ func setupSRIOVConfigOrFail(f *framework.Framework, configMap *v1.ConfigMap) *sr
dpPod, err := f.ClientSet.CoreV1().Pods(metav1.NamespaceSystem).Create(context.TODO(), dp, metav1.CreateOptions{})
framework.ExpectNoError(err)
if err = e2epod.WaitForPodCondition(f.ClientSet, metav1.NamespaceSystem, dp.Name, "Ready", 120*time.Second, testutils.PodRunningReady); err != nil {
framework.Logf("SRIOV Pod %v took too long to enter running/ready: %v", dp.Name, err)
}
framework.ExpectNoError(err)
sriovResourceName := ""
var sriovResourceAmount int64
ginkgo.By("Waiting for devices to become available on the local node")
gomega.Eventually(func() bool {
node := getLocalNode(f)
framework.Logf("Node status: %v", node.Status.Capacity)
sriovResourceName, sriovResourceAmount = findSRIOVResource(node)
return sriovResourceAmount > 0
return sriovResourceAmount > minSriovResource
}, 2*time.Minute, framework.Poll).Should(gomega.BeTrue())
framework.Logf("Successfully created device plugin pod, detected %d SRIOV device %q", sriovResourceAmount, sriovResourceName)
framework.Logf("Successfully created device plugin pod, detected %d SRIOV allocatable devices %q", sriovResourceAmount, sriovResourceName)
return &sriovData{
configMap: configMap,