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Merge pull request #61038 from aveshagarwal/master-issue-61018 

Automatic merge from submit-queue (batch tested with PRs 61546, 61038, 61575, 60779, 61496). 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>.

Use random port to avoid conflict with other important pods that might be listening on 80.

**What this PR does / why we need it**:
Fix https://github.com/kubernetes/kubernetes/issues/61018

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes # https://github.com/kubernetes/kubernetes/issues/61018

**Special notes for your reviewer**:

**Release note**:

```release-note
None.
```
@smarterclayton
pull/8/head
Kubernetes Submit Queue 2018-03-26 18:56:02 -07:00 committed by GitHub
parent 328e3a8ab9 3289085ecc
commit 40c68e26c4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 12 deletions
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26
test/e2e/scheduling/predicates.go
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@ -609,14 +609,15 @@ var _ = SIGDescribe("SchedulerPredicates [Serial]", func() {
framework.ExpectNodeHasLabel(cs, nodeName, k, v)
defer framework.RemoveLabelOffNode(cs, nodeName, k)
By("Trying to create a pod(pod1) with hostport 80 and hostIP 127.0.0.1 and expect scheduled")
creatHostPortPodOnNode(f, "pod1", ns, "127.0.0.1", v1.ProtocolTCP, nodeSelector, true)
port := int32(54321)
By(fmt.Sprintf("Trying to create a pod(pod1) with hostport %v and hostIP 127.0.0.1 and expect scheduled", port))
creatHostPortPodOnNode(f, "pod1", ns, "127.0.0.1", port, v1.ProtocolTCP, nodeSelector, true)
By("Trying to create another pod(pod2) with hostport 80 but hostIP 127.0.0.2 on the node which pod1 resides and expect scheduled")
creatHostPortPodOnNode(f, "pod2", ns, "127.0.0.2", v1.ProtocolTCP, nodeSelector, true)
By(fmt.Sprintf("Trying to create another pod(pod2) with hostport %v but hostIP 127.0.0.2 on the node which pod1 resides and expect scheduled", port))
creatHostPortPodOnNode(f, "pod2", ns, "127.0.0.2", port, v1.ProtocolTCP, nodeSelector, true)
By("Trying to create a third pod(pod3) with hostport 80, hostIP 127.0.0.2 but use UDP protocol on the node which pod2 resides")
creatHostPortPodOnNode(f, "pod3", ns, "127.0.0.2", v1.ProtocolUDP, nodeSelector, true)
By(fmt.Sprintf("Trying to create a third pod(pod3) with hostport %v, hostIP 127.0.0.2 but use UDP protocol on the node which pod2 resides", port))
creatHostPortPodOnNode(f, "pod3", ns, "127.0.0.2", port, v1.ProtocolUDP, nodeSelector, true)
})
It("validates that there exists conflict between pods with same hostPort and protocol but one using 0.0.0.0 hostIP", func() {
@ -634,11 +635,12 @@ var _ = SIGDescribe("SchedulerPredicates [Serial]", func() {
framework.ExpectNodeHasLabel(cs, nodeName, k, v)
defer framework.RemoveLabelOffNode(cs, nodeName, k)
By("Trying to create a pod(pod4) with hostport 80 and hostIP 0.0.0.0(empty string here) and expect scheduled")
creatHostPortPodOnNode(f, "pod4", ns, "", v1.ProtocolTCP, nodeSelector, true)
port := int32(54322)
By(fmt.Sprintf("Trying to create a pod(pod4) with hostport %v and hostIP 0.0.0.0(empty string here) and expect scheduled", port))
creatHostPortPodOnNode(f, "pod4", ns, "", port, v1.ProtocolTCP, nodeSelector, true)
By("Trying to create another pod(pod5) with hostport 80 but hostIP 127.0.0.1 on the node which pod4 resides and expect not scheduled")
creatHostPortPodOnNode(f, "pod5", ns, "127.0.0.1", v1.ProtocolTCP, nodeSelector, false)
By(fmt.Sprintf("Trying to create another pod(pod5) with hostport %v but hostIP 127.0.0.1 on the node which pod4 resides and expect not scheduled", port))
creatHostPortPodOnNode(f, "pod5", ns, "127.0.0.1", port, v1.ProtocolTCP, nodeSelector, false)
})
})
@ -832,12 +834,12 @@ func CreateHostPortPods(f *framework.Framework, id string, replicas int, expectR
}
// create pod which using hostport on the specified node according to the nodeSelector
func creatHostPortPodOnNode(f *framework.Framework, podName, ns, hostIP string, protocol v1.Protocol, nodeSelector map[string]string, expectScheduled bool) {
func creatHostPortPodOnNode(f *framework.Framework, podName, ns, hostIP string, port int32, protocol v1.Protocol, nodeSelector map[string]string, expectScheduled bool) {
createPausePod(f, pausePodConfig{
Name: podName,
Ports: []v1.ContainerPort{
{
HostPort: 80,
HostPort: port,
ContainerPort: 80,
Protocol: protocol,
HostIP: hostIP,