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Merge pull request #31578 from kevin-wangzefeng/add-retries-for-taints-e2e

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Automatic merge from submit-queue

add retries for add/update/remove taints on node in taints e2e

fixes taint update conflict in taints e2e by adding retries for add/update/remove taints on node.
ref #27655 and #31066
This commit is contained in:
Kubernetes Submit Queue 2016-08-28 15:32:37 -07:00 committed by GitHub
commit 6dd8b975cb
1 changed files with 66 additions and 42 deletions
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26
test/e2e/framework/util.go
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@ -2851,6 +2851,7 @@ func RemoveLabelOffNode(c *client.Client, nodeName string, labelKey string) {
}
func AddOrUpdateTaintOnNode(c *client.Client, nodeName string, taint api.Taint) {
for attempt := 0; attempt < UpdateRetries; attempt++ {
node, err := c.Nodes().Get(nodeName)
ExpectNoError(err)
@ -2881,7 +2882,17 @@ func AddOrUpdateTaintOnNode(c *client.Client, nodeName string, taint api.Taint)
}
node.Annotations[api.TaintsAnnotationKey] = string(taintsData)
_, err = c.Nodes().Update(node)
if err != nil {
if !apierrs.IsConflict(err) {
ExpectNoError(err)
} else {
Logf("Conflict when trying to add/update taint %v to %v", taint, nodeName)
}
} else {
break
}
time.Sleep(100 * time.Millisecond)
}
}
func taintExists(taints []api.Taint, taintKey string) bool {
@ -2927,6 +2938,7 @@ func deleteTaintByKey(taints []api.Taint, taintKey string) ([]api.Taint, error)
// won't fail if target taint doesn't exist or has been removed.
func RemoveTaintOffNode(c *client.Client, nodeName string, taintKey string) {
By("removing the taint " + taintKey + " off the node " + nodeName)
for attempt := 0; attempt < UpdateRetries; attempt++ {
node, err := c.Nodes().Get(nodeName)
ExpectNoError(err)
@ -2946,9 +2958,21 @@ func RemoveTaintOffNode(c *client.Client, nodeName string, taintKey string) {
taintsData, err := json.Marshal(newTaints)
ExpectNoError(err)
node.Annotations[api.TaintsAnnotationKey] = string(taintsData)
nodeUpdated, err := c.Nodes().Update(node)
_, err = c.Nodes().Update(node)
if err != nil {
if !apierrs.IsConflict(err) {
ExpectNoError(err)
} else {
Logf("Conflict when trying to add/update taint %v to %v", taintKey, nodeName)
}
} else {
break
}
time.Sleep(100 * time.Millisecond)
}
nodeUpdated, err := c.Nodes().Get(nodeName)
ExpectNoError(err)
By("verifying the node doesn't have the taint " + taintKey)
taintsGot, err := api.GetTaintsFromNodeAnnotations(nodeUpdated.Annotations)
ExpectNoError(err)