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retry updates of nodes in daemonset e2e

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This commit is contained in:
Mike Danese 2015-09-17 13:42:17 -07:00
parent 7e375b9c30
commit cd1229542f
1 changed files with 42 additions and 3 deletions
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45
test/e2e/daemon_set.go
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@ -21,6 +21,8 @@ import (
"time"
"k8s.io/kubernetes/pkg/api"
apierrs "k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/apis/experimental"
client "k8s.io/kubernetes/pkg/client/unversioned"
"k8s.io/kubernetes/pkg/fields"
@ -32,6 +34,11 @@ import (
. "github.com/onsi/gomega"
)
const (
updateRetryPeriod = 5 * time.Second
updateRetryTimeout = 30 * time.Second
)
var _ = Describe("Daemon set", func() {
f := &Framework{BaseName: "daemonsets"}
@ -61,7 +68,18 @@ func clearNodeLabels(c *client.Client) error {
for _, node := range nodeList.Items {
if len(node.Labels) != 0 {
node.Labels = map[string]string{}
newNode, err := nodeClient.Update(&node)
var newNode *api.Node
err = wait.Poll(updateRetryPeriod, updateRetryTimeout, func() (bool, error) {
newNode, err = nodeClient.Update(&node)
if err == nil {
return true, err
}
if se, ok := err.(*apierrs.StatusError); ok && se.ErrStatus.Reason == unversioned.StatusReasonConflict {
Logf("failed to update node due to resource version conflict")
return false, nil
}
return false, err
})
if err != nil {
return err
} else if len(newNode.Labels) != 0 {
@ -214,7 +232,18 @@ func testDaemonSets(f *Framework) {
nodeList, err := nodeClient.List(labels.Everything(), fields.Everything())
Expect(len(nodeList.Items)).To(BeNumerically(">", 0))
nodeList.Items[0].Labels = nodeSelector
newNode, err := nodeClient.Update(&nodeList.Items[0])
var newNode *api.Node
err = wait.Poll(updateRetryPeriod, updateRetryTimeout, func() (bool, error) {
newNode, err = nodeClient.Update(&nodeList.Items[0])
if err == nil {
return true, err
}
if se, ok := err.(*apierrs.StatusError); ok && se.ErrStatus.Reason == unversioned.StatusReasonConflict {
Logf("failed to update node due to resource version conflict")
return false, nil
}
return false, err
})
Expect(err).NotTo(HaveOccurred())
Expect(len(newNode.Labels)).To(Equal(1))
err = wait.Poll(retryInterval, retryTimeout, checkDaemonPodOnNodes(f, complexLabel, []string{newNode.Name}))
@ -224,7 +253,17 @@ func testDaemonSets(f *Framework) {
newNode, err = nodeClient.Get(newNode.Name)
Expect(err).NotTo(HaveOccurred(), "error getting node")
newNode.Labels = map[string]string{}
newNode, err = nodeClient.Update(newNode)
err = wait.Poll(updateRetryPeriod, updateRetryTimeout, func() (bool, error) {
newNode, err = nodeClient.Update(newNode)
if err == nil {
return true, err
}
if se, ok := err.(*apierrs.StatusError); ok && se.ErrStatus.Reason == unversioned.StatusReasonConflict {
Logf("failed to update node due to resource version conflict")
return false, nil
}
return false, err
})
Expect(err).NotTo(HaveOccurred())
Expect(wait.Poll(retryInterval, retryTimeout, checkRunningOnNoNodes(f, complexLabel))).
NotTo(HaveOccurred(), "error waiting for daemon pod to not be running on nodes")