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Merge pull request #83492 from ConnorDoyle/topo-align-all-qos

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Topology manager aligns pods of all QoS classes.
This commit is contained in:
Kubernetes Prow Robot 2019-10-11 03:03:40 -07:00 committed by GitHub
commit 017842d49d
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2 changed files with 100 additions and 14 deletions
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22
pkg/kubelet/cm/topologymanager/topology_manager.go
View File

@ -323,23 +323,17 @@ func (m *manager) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAdmitR
}
pod := attrs.Pod
c := make(map[string]TopologyHint)
klog.Infof("[topologymanager] Pod QoS Level: %v", pod.Status.QOSClass)
if pod.Status.QOSClass == v1.PodQOSGuaranteed {
for _, container := range append(pod.Spec.InitContainers, pod.Spec.Containers...) {
result := m.calculateAffinity(*pod, container)
admitPod := m.policy.CanAdmitPodResult(&result)
if !admitPod.Admit {
return admitPod
}
c[container.Name] = result
for _, container := range append(pod.Spec.InitContainers, pod.Spec.Containers...) {
result := m.calculateAffinity(*pod, container)
admitPod := m.policy.CanAdmitPodResult(&result)
if !admitPod.Admit {
return admitPod
}
m.podTopologyHints[string(pod.UID)] = c
klog.Infof("[topologymanager] Topology Affinity for Pod: %v are %v", pod.UID, m.podTopologyHints[string(pod.UID)])
} else {
klog.Infof("[topologymanager] Topology Manager only affinitises Guaranteed pods.")
c[container.Name] = result
}
m.podTopologyHints[string(pod.UID)] = c
klog.Infof("[topologymanager] Topology Affinity for Pod: %v are %v", pod.UID, m.podTopologyHints[string(pod.UID)])
return lifecycle.PodAdmitResult{
Admit: true,

92
pkg/kubelet/cm/topologymanager/topology_manager_test.go
View File

@ -905,6 +905,32 @@ func TestAdmit(t *testing.T) {
},
expected: true,
},
{
name: "QOSClass set as Burstable. BestEffort Policy. More than one Preferred Affinity.",
qosClass: v1.PodQOSBurstable,
policy: NewBestEffortPolicy(),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: true,
},
{
name: "QOSClass set as Guaranteed. BestEffort Policy. No Preferred Affinity.",
qosClass: v1.PodQOSGuaranteed,
@ -945,6 +971,28 @@ func TestAdmit(t *testing.T) {
},
expected: true,
},
{
name: "QOSClass set as Burstable. Restricted Policy. Preferred Affinity.",
qosClass: v1.PodQOSBurstable,
policy: NewRestrictedPolicy(),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: true,
},
{
name: "QOSClass set as Guaranteed. Restricted Policy. More than one Preferred affinity.",
qosClass: v1.PodQOSGuaranteed,
@ -971,6 +1019,32 @@ func TestAdmit(t *testing.T) {
},
expected: true,
},
{
name: "QOSClass set as Burstable. Restricted Policy. More than one Preferred affinity.",
qosClass: v1.PodQOSBurstable,
policy: NewRestrictedPolicy(),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: true,
},
{
name: "QOSClass set as Guaranteed. Restricted Policy. No Preferred affinity.",
qosClass: v1.PodQOSGuaranteed,
@ -989,6 +1063,24 @@ func TestAdmit(t *testing.T) {
},
expected: false,
},
{
name: "QOSClass set as Burstable. Restricted Policy. No Preferred affinity.",
qosClass: v1.PodQOSBurstable,
policy: NewRestrictedPolicy(),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: false,
},
}
for _, tc := range tcases {
man := manager{