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Use a random unused port for these e2e tests. Do not use port 80 to avoid

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conflict with other important pods that might be listening on 0.0.0.0:80.
This commit is contained in:
Avesh Agarwal
2018-03-12 09:48:00 -04:00
parent 808545a8aa
commit 3289085ecc
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,