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Merge pull request #84973 from draveness/feature/inter-pod-affinity-score
feat(scheduler): convert InterPodAffinity to score plugin
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
36acfecd4b
@ -259,10 +259,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{"name": "InterPodAffinityPriority", "weight": 2}
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]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -283,6 +281,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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@ -325,10 +324,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{"name": "MostRequestedPriority", "weight": 2}
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]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -349,6 +346,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -402,10 +400,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"nodeCacheCapable": true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -426,6 +422,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -490,10 +487,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"nodeCacheCapable": true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -514,6 +509,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -579,10 +575,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"nodeCacheCapable": true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -604,6 +598,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -672,10 +667,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ignorable":true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -697,6 +690,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -777,10 +771,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ignorable":true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -802,6 +794,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -884,10 +877,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ignorable":true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -910,6 +901,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -991,10 +983,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ignorable":true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -1018,6 +1008,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -1103,10 +1094,8 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ignorable":true
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}]
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}`,
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(
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"InterPodAffinityPriority",
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),
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wantPredicates: sets.NewString(),
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wantPrioritizers: sets.NewString(),
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wantPlugins: map[string][]config.Plugin{
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"FilterPlugin": {
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{Name: "NodeUnschedulable"},
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@ -1130,6 +1119,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"ScorePlugin": {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "ImageLocality", Weight: 2},
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{Name: "InterPodAffinity", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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@ -1231,6 +1221,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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scoreToPriorityMap := map[string]string{
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"DefaultPodTopologySpread": "SelectorSpreadPriority",
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"ImageLocality": "ImageLocalityPriority",
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"InterPodAffinity": "InterPodAffinityPriority",
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"NodeAffinity": "NodeAffinityPriority",
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"NodePreferAvoidPods": "NodePreferAvoidPodsPriority",
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"TaintToleration": "TaintTolerationPriority",
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@ -241,6 +241,11 @@ func NewDefaultConfigProducerRegistry() *ConfigProducerRegistry {
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plugins.Score = appendToPluginSet(plugins.Score, imagelocality.Name, &args.Weight)
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return
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})
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registry.RegisterPriority(priorities.InterPodAffinityPriority,
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func(args ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
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plugins.Score = appendToPluginSet(plugins.Score, interpodaffinity.Name, &args.Weight)
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return
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})
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registry.RegisterPriority(priorities.NodePreferAvoidPodsPriority,
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func(args ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
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plugins.Score = appendToPluginSet(plugins.Score, nodepreferavoidpods.Name, &args.Weight)
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@ -7,6 +7,7 @@ go_library(
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visibility = ["//visibility:public"],
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deps = [
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"//pkg/scheduler/algorithm/predicates:go_default_library",
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"//pkg/scheduler/algorithm/priorities:go_default_library",
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"//pkg/scheduler/framework/plugins/migration:go_default_library",
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"//pkg/scheduler/framework/v1alpha1:go_default_library",
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"//pkg/scheduler/nodeinfo:go_default_library",
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@ -21,11 +22,14 @@ go_test(
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embed = [":go_default_library"],
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deps = [
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"//pkg/scheduler/algorithm/predicates:go_default_library",
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"//pkg/scheduler/algorithm/priorities:go_default_library",
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"//pkg/scheduler/framework/plugins/migration:go_default_library",
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"//pkg/scheduler/framework/v1alpha1:go_default_library",
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"//pkg/scheduler/nodeinfo/snapshot:go_default_library",
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"//staging/src/k8s.io/api/core/v1:go_default_library",
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"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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"//staging/src/k8s.io/client-go/informers:go_default_library",
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"//staging/src/k8s.io/client-go/kubernetes/fake:go_default_library",
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],
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)
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@ -20,9 +20,10 @@ import (
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"context"
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"fmt"
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"k8s.io/api/core/v1"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/kubernetes/pkg/scheduler/algorithm/predicates"
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"k8s.io/kubernetes/pkg/scheduler/algorithm/priorities"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/migration"
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framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
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"k8s.io/kubernetes/pkg/scheduler/nodeinfo"
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@ -30,10 +31,12 @@ import (
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// InterPodAffinity is a plugin that checks inter pod affinity
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type InterPodAffinity struct {
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handle framework.FrameworkHandle
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predicate predicates.FitPredicate
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}
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var _ framework.FilterPlugin = &InterPodAffinity{}
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var _ framework.ScorePlugin = &InterPodAffinity{}
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// Name is the name of the plugin used in the plugin registry and configurations.
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const Name = "InterPodAffinity"
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@ -53,9 +56,36 @@ func (pl *InterPodAffinity) Filter(ctx context.Context, cycleState *framework.Cy
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return migration.PredicateResultToFrameworkStatus(reasons, err)
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}
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// Score invoked at the Score extension point.
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// The "score" returned in this function is the matching number of pods on the `nodeName`,
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// it is normalized later.
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func (pl *InterPodAffinity) Score(ctx context.Context, state *framework.CycleState, pod *v1.Pod, nodeName string) (int64, *framework.Status) {
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nodeInfo, err := pl.handle.SnapshotSharedLister().NodeInfos().Get(nodeName)
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if err != nil {
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return 0, framework.NewStatus(framework.Error, fmt.Sprintf("getting node %q from Snapshot: %v", nodeName, err))
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}
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meta := migration.PriorityMetadata(state)
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s, err := priorities.CalculateInterPodAffinityPriorityMap(pod, meta, nodeInfo)
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return s.Score, migration.ErrorToFrameworkStatus(err)
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}
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// NormalizeScore invoked after scoring all nodes.
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func (pl *InterPodAffinity) NormalizeScore(ctx context.Context, state *framework.CycleState, pod *v1.Pod, scores framework.NodeScoreList) *framework.Status {
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meta := migration.PriorityMetadata(state)
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err := priorities.CalculateInterPodAffinityPriorityReduce(pod, meta, pl.handle.SnapshotSharedLister(), scores)
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return migration.ErrorToFrameworkStatus(err)
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}
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|
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// ScoreExtensions of the Score plugin.
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func (pl *InterPodAffinity) ScoreExtensions() framework.ScoreExtensions {
|
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return pl
|
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}
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|
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// New initializes a new plugin and returns it.
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func New(_ *runtime.Unknown, h framework.FrameworkHandle) (framework.Plugin, error) {
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return &InterPodAffinity{
|
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handle: h,
|
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predicate: predicates.NewPodAffinityPredicate(h.SnapshotSharedLister().NodeInfos(), h.SnapshotSharedLister().Pods()),
|
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}, nil
|
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}
|
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|
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@ -21,9 +21,12 @@ import (
|
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"reflect"
|
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"testing"
|
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|
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"k8s.io/api/core/v1"
|
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v1 "k8s.io/api/core/v1"
|
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
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"k8s.io/client-go/informers"
|
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clientsetfake "k8s.io/client-go/kubernetes/fake"
|
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"k8s.io/kubernetes/pkg/scheduler/algorithm/predicates"
|
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"k8s.io/kubernetes/pkg/scheduler/algorithm/priorities"
|
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/migration"
|
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framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
|
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nodeinfosnapshot "k8s.io/kubernetes/pkg/scheduler/nodeinfo/snapshot"
|
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@ -1449,3 +1452,647 @@ func TestMultipleNodes(t *testing.T) {
|
||||
})
|
||||
}
|
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}
|
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|
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func TestInterPodAffinityPriority(t *testing.T) {
|
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labelRgChina := map[string]string{
|
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"region": "China",
|
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}
|
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labelRgIndia := map[string]string{
|
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"region": "India",
|
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}
|
||||
labelAzAz1 := map[string]string{
|
||||
"az": "az1",
|
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}
|
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labelAzAz2 := map[string]string{
|
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"az": "az2",
|
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}
|
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labelRgChinaAzAz1 := map[string]string{
|
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"region": "China",
|
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"az": "az1",
|
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}
|
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podLabelSecurityS1 := map[string]string{
|
||||
"security": "S1",
|
||||
}
|
||||
podLabelSecurityS2 := map[string]string{
|
||||
"security": "S2",
|
||||
}
|
||||
// considered only preferredDuringSchedulingIgnoredDuringExecution in pod affinity
|
||||
stayWithS1InRegion := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 5,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
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stayWithS2InRegion := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 6,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
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affinity3 := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 8,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpNotIn,
|
||||
Values: []string{"S1"},
|
||||
}, {
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
}, {
|
||||
Weight: 2,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpExists,
|
||||
}, {
|
||||
Key: "wrongkey",
|
||||
Operator: metav1.LabelSelectorOpDoesNotExist,
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
hardAffinity := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
|
||||
{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S1", "value2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
}, {
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpExists,
|
||||
}, {
|
||||
Key: "wrongkey",
|
||||
Operator: metav1.LabelSelectorOpDoesNotExist,
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
awayFromS1InAz := &v1.Affinity{
|
||||
PodAntiAffinity: &v1.PodAntiAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 5,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "az",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
// to stay away from security S2 in any az.
|
||||
awayFromS2InAz := &v1.Affinity{
|
||||
PodAntiAffinity: &v1.PodAntiAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 5,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "az",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
// to stay with security S1 in same region, stay away from security S2 in any az.
|
||||
stayWithS1InRegionAwayFromS2InAz := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 8,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
PodAntiAffinity: &v1.PodAntiAffinity{
|
||||
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
|
||||
{
|
||||
Weight: 5,
|
||||
PodAffinityTerm: v1.PodAffinityTerm{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "security",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "az",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
tests := []struct {
|
||||
pod *v1.Pod
|
||||
pods []*v1.Pod
|
||||
nodes []*v1.Node
|
||||
expectedList framework.NodeScoreList
|
||||
name string
|
||||
}{
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}, {Name: "machine3", Score: 0}},
|
||||
name: "all machines are same priority as Affinity is nil",
|
||||
},
|
||||
// the node(machine1) that have the label {"region": "China"} (match the topology key) and that have existing pods that match the labelSelector get high score
|
||||
// the node(machine3) that don't have the label {"region": "whatever the value is"} (mismatch the topology key) but that have existing pods that match the labelSelector get low score
|
||||
// the node(machine2) that have the label {"region": "China"} (match the topology key) but that have existing pods that mismatch the labelSelector get low score
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS1InRegion}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}, {Name: "machine3", Score: 0}},
|
||||
name: "Affinity: pod that matches topology key & pods in nodes will get high score comparing to others" +
|
||||
"which doesn't match either pods in nodes or in topology key",
|
||||
},
|
||||
// the node1(machine1) that have the label {"region": "China"} (match the topology key) and that have existing pods that match the labelSelector get high score
|
||||
// the node2(machine2) that have the label {"region": "China"}, match the topology key and have the same label value with node1, get the same high score with node1
|
||||
// the node3(machine3) that have the label {"region": "India"}, match the topology key but have a different label value, don't have existing pods that match the labelSelector,
|
||||
// get a low score.
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS1InRegion}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgChinaAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelRgIndia}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}, {Name: "machine3", Score: 0}},
|
||||
name: "All the nodes that have the same topology key & label value with one of them has an existing pod that match the affinity rules, have the same score",
|
||||
},
|
||||
// there are 2 regions, say regionChina(machine1,machine3,machine4) and regionIndia(machine2,machine5), both regions have nodes that match the preference.
|
||||
// But there are more nodes(actually more existing pods) in regionChina that match the preference than regionIndia.
|
||||
// Then, nodes in regionChina get higher score than nodes in regionIndia, and all the nodes in regionChina should get a same score(high score),
|
||||
// while all the nodes in regionIndia should get another same score(low score).
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS2InRegion}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine4"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine5"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine4", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine5", Labels: labelRgIndia}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 50}, {Name: "machine3", Score: framework.MaxNodeScore}, {Name: "machine4", Score: framework.MaxNodeScore}, {Name: "machine5", Score: 50}},
|
||||
name: "Affinity: nodes in one region has more matching pods comparing to other reqion, so the region which has more macthes will get high score",
|
||||
},
|
||||
// Test with the different operators and values for pod affinity scheduling preference, including some match failures.
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: affinity3}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 20}, {Name: "machine2", Score: framework.MaxNodeScore}, {Name: "machine3", Score: 0}},
|
||||
name: "Affinity: different Label operators and values for pod affinity scheduling preference, including some match failures ",
|
||||
},
|
||||
// Test the symmetry cases for affinity, the difference between affinity and symmetry is not the pod wants to run together with some existing pods,
|
||||
// but the existing pods have the inter pod affinity preference while the pod to schedule satisfy the preference.
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1", Affinity: stayWithS1InRegion}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: stayWithS2InRegion}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: framework.MaxNodeScore}, {Name: "machine3", Score: 0}},
|
||||
name: "Affinity symmetry: considered only the preferredDuringSchedulingIgnoredDuringExecution in pod affinity symmetry",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1", Affinity: hardAffinity}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: hardAffinity}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}, {Name: "machine3", Score: 0}},
|
||||
name: "Affinity symmetry: considered RequiredDuringSchedulingIgnoredDuringExecution in pod affinity symmetry",
|
||||
},
|
||||
|
||||
// The pod to schedule prefer to stay away from some existing pods at node level using the pod anti affinity.
|
||||
// the nodes that have the label {"node": "bar"} (match the topology key) and that have existing pods that match the labelSelector get low score
|
||||
// the nodes that don't have the label {"node": "whatever the value is"} (mismatch the topology key) but that have existing pods that match the labelSelector get high score
|
||||
// the nodes that have the label {"node": "bar"} (match the topology key) but that have existing pods that mismatch the labelSelector get high score
|
||||
// there are 2 nodes, say node1 and node2, both nodes have pods that match the labelSelector and have topology-key in node.Labels.
|
||||
// But there are more pods on node1 that match the preference than node2. Then, node1 get a lower score than node2.
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: awayFromS1InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgChina}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "Anti Affinity: pod that doesnot match existing pods in node will get high score ",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: awayFromS1InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgChina}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "Anti Affinity: pod that does not matches topology key & matches the pods in nodes will get higher score comparing to others ",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: awayFromS1InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "Anti Affinity: one node has more matching pods comparing to other node, so the node which has more unmacthes will get high score",
|
||||
},
|
||||
// Test the symmetry cases for anti affinity
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1", Affinity: awayFromS2InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: awayFromS1InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelAzAz2}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "Anti Affinity symmetry: the existing pods in node which has anti affinity match will get high score",
|
||||
},
|
||||
// Test both affinity and anti-affinity
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS1InRegionAwayFromS2InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelAzAz1}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}},
|
||||
name: "Affinity and Anti Affinity: considered only preferredDuringSchedulingIgnoredDuringExecution in both pod affinity & anti affinity",
|
||||
},
|
||||
// Combined cases considering both affinity and anti-affinity, the pod to schedule and existing pods have the same labels (they are in the same RC/service),
|
||||
// the pod prefer to run together with its brother pods in the same region, but wants to stay away from them at node level,
|
||||
// so that all the pods of a RC/service can stay in a same region but trying to separate with each other
|
||||
// machine-1,machine-3,machine-4 are in ChinaRegion others machin-2,machine-5 are in IndiaRegion
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS1InRegionAwayFromS2InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine4"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine5"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChinaAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine4", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine5", Labels: labelRgIndia}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 40}, {Name: "machine3", Score: framework.MaxNodeScore}, {Name: "machine4", Score: framework.MaxNodeScore}, {Name: "machine5", Score: 40}},
|
||||
name: "Affinity and Anti Affinity: considering both affinity and anti-affinity, the pod to schedule and existing pods have the same labels",
|
||||
},
|
||||
// Consider Affinity, Anti Affinity and symmetry together.
|
||||
// for Affinity, the weights are: 8, 0, 0, 0
|
||||
// for Anti Affinity, the weights are: 0, -5, 0, 0
|
||||
// for Affinity symmetry, the weights are: 0, 0, 8, 0
|
||||
// for Anti Affinity symmetry, the weights are: 0, 0, 0, -5
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: "", Affinity: stayWithS1InRegionAwayFromS2InAz}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS2}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine3", Affinity: stayWithS1InRegionAwayFromS2InAz}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine4", Affinity: awayFromS1InAz}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelAzAz1}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine4", Labels: labelAzAz2}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}, {Name: "machine3", Score: framework.MaxNodeScore}, {Name: "machine4", Score: 0}},
|
||||
name: "Affinity and Anti Affinity and symmetry: considered only preferredDuringSchedulingIgnoredDuringExecution in both pod affinity & anti affinity & symmetry",
|
||||
},
|
||||
// Cover https://github.com/kubernetes/kubernetes/issues/82796 which panics upon:
|
||||
// 1. Some nodes in a topology don't have pods with affinity, but other nodes in the same topology have.
|
||||
// 2. The incoming pod doesn't have affinity.
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1"}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelSecurityS1}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: stayWithS1InRegionAwayFromS2InAz}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgChina}},
|
||||
},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "Avoid panic when partial nodes in a topology don't have pods with affinity",
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
state := framework.NewCycleState()
|
||||
snapshot := nodeinfosnapshot.NewSnapshot(test.pods, test.nodes)
|
||||
fh, _ := framework.NewFramework(nil, nil, nil, framework.WithSnapshotSharedLister(snapshot))
|
||||
|
||||
client := clientsetfake.NewSimpleClientset()
|
||||
informerFactory := informers.NewSharedInformerFactory(client, 0)
|
||||
|
||||
metaDataProducer := priorities.NewPriorityMetadataFactory(
|
||||
informerFactory.Core().V1().Services().Lister(),
|
||||
informerFactory.Core().V1().ReplicationControllers().Lister(),
|
||||
informerFactory.Apps().V1().ReplicaSets().Lister(),
|
||||
informerFactory.Apps().V1().StatefulSets().Lister(),
|
||||
1,
|
||||
)
|
||||
|
||||
metaData := metaDataProducer(test.pod, test.nodes, snapshot)
|
||||
|
||||
state.Write(migration.PrioritiesStateKey, &migration.PrioritiesStateData{Reference: metaData})
|
||||
|
||||
p, _ := New(nil, fh)
|
||||
var gotList framework.NodeScoreList
|
||||
for _, n := range test.nodes {
|
||||
nodeName := n.ObjectMeta.Name
|
||||
score, status := p.(framework.ScorePlugin).Score(context.Background(), state, test.pod, nodeName)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
gotList = append(gotList, framework.NodeScore{Name: nodeName, Score: score})
|
||||
}
|
||||
|
||||
status := p.(framework.ScorePlugin).ScoreExtensions().NormalizeScore(context.Background(), state, test.pod, gotList)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(test.expectedList, gotList) {
|
||||
t.Errorf("expected:\n\t%+v,\ngot:\n\t%+v", test.expectedList, gotList)
|
||||
}
|
||||
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestHardPodAffinitySymmetricWeight(t *testing.T) {
|
||||
podLabelServiceS1 := map[string]string{
|
||||
"service": "S1",
|
||||
}
|
||||
labelRgChina := map[string]string{
|
||||
"region": "China",
|
||||
}
|
||||
labelRgIndia := map[string]string{
|
||||
"region": "India",
|
||||
}
|
||||
labelAzAz1 := map[string]string{
|
||||
"az": "az1",
|
||||
}
|
||||
hardPodAffinity := &v1.Affinity{
|
||||
PodAffinity: &v1.PodAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
|
||||
{
|
||||
LabelSelector: &metav1.LabelSelector{
|
||||
MatchExpressions: []metav1.LabelSelectorRequirement{
|
||||
{
|
||||
Key: "service",
|
||||
Operator: metav1.LabelSelectorOpIn,
|
||||
Values: []string{"S1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
TopologyKey: "region",
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
tests := []struct {
|
||||
pod *v1.Pod
|
||||
pods []*v1.Pod
|
||||
nodes []*v1.Node
|
||||
hardPodAffinityWeight int32
|
||||
expectedList framework.NodeScoreList
|
||||
name string
|
||||
}{
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelServiceS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1", Affinity: hardPodAffinity}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: hardPodAffinity}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
hardPodAffinityWeight: v1.DefaultHardPodAffinitySymmetricWeight,
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}, {Name: "machine3", Score: 0}},
|
||||
name: "Hard Pod Affinity symmetry: hard pod affinity symmetry weights 1 by default, then nodes that match the hard pod affinity symmetry rules, get a high score",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{Spec: v1.PodSpec{NodeName: ""}, ObjectMeta: metav1.ObjectMeta{Labels: podLabelServiceS1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: v1.PodSpec{NodeName: "machine1", Affinity: hardPodAffinity}},
|
||||
{Spec: v1.PodSpec{NodeName: "machine2", Affinity: hardPodAffinity}},
|
||||
},
|
||||
nodes: []*v1.Node{
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine1", Labels: labelRgChina}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine2", Labels: labelRgIndia}},
|
||||
{ObjectMeta: metav1.ObjectMeta{Name: "machine3", Labels: labelAzAz1}},
|
||||
},
|
||||
hardPodAffinityWeight: 0,
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}, {Name: "machine3", Score: 0}},
|
||||
name: "Hard Pod Affinity symmetry: hard pod affinity symmetry is closed(weights 0), then nodes that match the hard pod affinity symmetry rules, get same score with those not match",
|
||||
},
|
||||
}
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
state := framework.NewCycleState()
|
||||
snapshot := nodeinfosnapshot.NewSnapshot(test.pods, test.nodes)
|
||||
fh, _ := framework.NewFramework(nil, nil, nil, framework.WithSnapshotSharedLister(snapshot))
|
||||
|
||||
client := clientsetfake.NewSimpleClientset()
|
||||
informerFactory := informers.NewSharedInformerFactory(client, 0)
|
||||
|
||||
metaDataProducer := priorities.NewPriorityMetadataFactory(
|
||||
informerFactory.Core().V1().Services().Lister(),
|
||||
informerFactory.Core().V1().ReplicationControllers().Lister(),
|
||||
informerFactory.Apps().V1().ReplicaSets().Lister(),
|
||||
informerFactory.Apps().V1().StatefulSets().Lister(),
|
||||
test.hardPodAffinityWeight,
|
||||
)
|
||||
|
||||
metaData := metaDataProducer(test.pod, test.nodes, snapshot)
|
||||
|
||||
state.Write(migration.PrioritiesStateKey, &migration.PrioritiesStateData{Reference: metaData})
|
||||
|
||||
p, _ := New(nil, fh)
|
||||
var gotList framework.NodeScoreList
|
||||
for _, n := range test.nodes {
|
||||
nodeName := n.ObjectMeta.Name
|
||||
score, status := p.(framework.ScorePlugin).Score(context.Background(), state, test.pod, nodeName)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
gotList = append(gotList, framework.NodeScore{Name: nodeName, Score: score})
|
||||
}
|
||||
|
||||
status := p.(framework.ScorePlugin).ScoreExtensions().NormalizeScore(context.Background(), state, test.pod, gotList)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
|
||||
if !reflect.DeepEqual(test.expectedList, gotList) {
|
||||
t.Errorf("expected:\n\t%+v,\ngot:\n\t%+v", test.expectedList, gotList)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
@ -129,9 +129,7 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
|
||||
"kind" : "Policy",
|
||||
"apiVersion" : "v1"
|
||||
}`,
|
||||
expectedPrioritizers: sets.NewString(
|
||||
"InterPodAffinityPriority",
|
||||
),
|
||||
expectedPrioritizers: sets.NewString(),
|
||||
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
|
||||
"FilterPlugin": {
|
||||
{Name: "NodeUnschedulable"},
|
||||
@ -152,6 +150,7 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
|
||||
"ScorePlugin": {
|
||||
{Name: "NodeResourcesBalancedAllocation", Weight: 1},
|
||||
{Name: "ImageLocality", Weight: 1},
|
||||
{Name: "InterPodAffinity", Weight: 1},
|
||||
{Name: "NodeResourcesLeastAllocated", Weight: 1},
|
||||
{Name: "NodeAffinity", Weight: 1},
|
||||
{Name: "NodePreferAvoidPods", Weight: 10000},
|
||||
@ -207,9 +206,7 @@ priorities:
|
||||
policy: `apiVersion: v1
|
||||
kind: Policy
|
||||
`,
|
||||
expectedPrioritizers: sets.NewString(
|
||||
"InterPodAffinityPriority",
|
||||
),
|
||||
expectedPrioritizers: sets.NewString(),
|
||||
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
|
||||
"FilterPlugin": {
|
||||
{Name: "NodeUnschedulable"},
|
||||
@ -230,6 +227,7 @@ kind: Policy
|
||||
"ScorePlugin": {
|
||||
{Name: "NodeResourcesBalancedAllocation", Weight: 1},
|
||||
{Name: "ImageLocality", Weight: 1},
|
||||
{Name: "InterPodAffinity", Weight: 1},
|
||||
{Name: "NodeResourcesLeastAllocated", Weight: 1},
|
||||
{Name: "NodeAffinity", Weight: 1},
|
||||
{Name: "NodePreferAvoidPods", Weight: 10000},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user