scottk/kubernetes
1
0
Fork 0
mirror of https://github.com/optim-enterprises-bv/kubernetes.git synced 2025-11-02 03:08:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #73977 from khenidak/ipv6dualstack

Browse Source 
ipv6 dual stack (Phase 1 - ALPHA)
This commit is contained in:
Kubernetes Prow Robot
2019-07-02 18:07:12 -07:00
committed by GitHub
parent 4b3987d0c3 af552ab469
commit a33840e023
124 changed files with 5551 additions and 2447 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
pkg/api/pod/util.go
View File

@@ -275,16 +275,32 @@ func DropDisabledPodFields(pod, oldPod *api.Pod) {
podAnnotations map[string]string
oldPodSpec *api.PodSpec
oldPodAnnotations map[string]string
podStatus *api.PodStatus
oldPodStatus *api.PodStatus
)
if pod != nil {
podSpec = &pod.Spec
podAnnotations = pod.Annotations
podStatus = &pod.Status
}
if oldPod != nil {
oldPodSpec = &oldPod.Spec
oldPodAnnotations = oldPod.Annotations
oldPodStatus = &oldPod.Status
}
dropDisabledFields(podSpec, podAnnotations, oldPodSpec, oldPodAnnotations)
dropPodStatusDisabledFields(podStatus, oldPodStatus)
}
// dropDisabledFields removes disabled fields from the pod status
func dropPodStatusDisabledFields(podStatus *api.PodStatus, oldPodStatus *api.PodStatus) {
// trim PodIPs down to only one entry (non dual stack).
if !utilfeature.DefaultFeatureGate.Enabled(features.IPv6DualStack) &&
!multiplePodIPsInUse(oldPodStatus) {
if len(podStatus.PodIPs) != 0 {
podStatus.PodIPs = podStatus.PodIPs[0:1]
}
}
}
// dropDisabledFields removes disabled fields from the pod metadata and spec.
@@ -719,3 +735,14 @@ func csiInUse(podSpec *api.PodSpec) bool {
}
return false
}
// podPriorityInUse returns true if status is not nil and number of PodIPs is greater than one
func multiplePodIPsInUse(podStatus *api.PodStatus) bool {
if podStatus == nil {
return false
}
if len(podStatus.PodIPs) > 1 {
return true
}
return false
}

101
pkg/api/pod/util_test.go
View File

@@ -1738,3 +1738,104 @@ func TestDropSubPathExpr(t *testing.T) {
}
}
}
// helper creates a podStatus with list of PodIPs
func makePodStatus(podIPs []api.PodIP) *api.PodStatus {
return &api.PodStatus{
PodIPs: podIPs,
}
}
func TestDropStatusPodIPs(t *testing.T) {
testCases := []struct {
name string
podStatus *api.PodStatus
oldPodStatus *api.PodStatus
comparePodStatus *api.PodStatus
enableDualStack bool
}{
{
name: "nil pod ips",
enableDualStack: false,
podStatus: makePodStatus(nil),
oldPodStatus: nil,
comparePodStatus: makePodStatus(nil),
},
{
name: "empty pod ips",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{}),
oldPodStatus: nil,
comparePodStatus: makePodStatus([]api.PodIP{}),
},
{
name: "single family ipv6",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}}),
},
{
name: "single family ipv4",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "1.1.1.1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "1.1.1.1"}}),
},
{
name: "dualstack 4-6",
enableDualStack: true,
podStatus: makePodStatus([]api.PodIP{{IP: "1.1.1.1"}, {IP: "::1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "1.1.1.1"}, {IP: "::1"}}),
},
{
name: "dualstack 6-4",
enableDualStack: true,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
},
{
name: "not dualstack 6-4=>4only",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
oldPodStatus: nil,
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}}),
},
{
name: "not dualstack 6-4=>as is (used in old)",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
oldPodStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
},
{
name: "not dualstack 6-4=>6only",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
oldPodStatus: nil,
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}}),
},
{
name: "not dualstack 6-4=>as is (used in old)",
enableDualStack: false,
podStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
oldPodStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
comparePodStatus: makePodStatus([]api.PodIP{{IP: "::1"}, {IP: "1.1.1.1"}}),
},
}
for _, tc := range testCases {
func() {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.IPv6DualStack, tc.enableDualStack)()
dropPodStatusDisabledFields(tc.podStatus, tc.oldPodStatus)
old := tc.oldPodStatus.DeepCopy()
// old pod status should never be changed
if !reflect.DeepEqual(tc.oldPodStatus, old) {
t.Errorf("%v: old pod status changed: %v", tc.name, diff.ObjectReflectDiff(tc.oldPodStatus, old))
}
if !reflect.DeepEqual(tc.podStatus, tc.comparePodStatus) {
t.Errorf("%v: unexpected pod status: %v", tc.name, diff.ObjectReflectDiff(tc.podStatus, tc.comparePodStatus))
}
}()
}
}