mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-24 04:06:03 +00:00
feat: convert selector spread priority to score plugin
This commit is contained in:
draveness
parent
f35a92ccf8
commit
089e85e098
@ -149,7 +149,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"TestServiceAntiAffinity",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -167,6 +166,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesBalancedAllocation", Weight: 2},
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeLabel", Weight: 4},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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},
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},
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},
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@ -205,7 +205,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"TestServiceAntiAffinity",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -229,6 +228,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesLeastAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodeLabel", Weight: 4},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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},
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},
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},
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@ -270,7 +270,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -294,6 +293,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "ImageLocality", 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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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -338,7 +338,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -364,6 +363,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -417,7 +417,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -443,6 +442,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -507,7 +507,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -533,6 +532,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -598,7 +598,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -625,6 +624,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -693,7 +693,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -720,6 +719,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeResourcesMostAllocated", Weight: 2},
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -800,7 +800,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -828,6 +827,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "RequestedToCapacityRatio", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -909,7 +909,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -938,6 +937,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "RequestedToCapacityRatio", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -1018,7 +1018,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -1048,6 +1047,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "RequestedToCapacityRatio", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -1132,7 +1132,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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),
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wantPrioritizers: sets.NewString(
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"EqualPriority",
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"SelectorSpreadPriority",
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"InterPodAffinityPriority",
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),
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wantPlugins: map[string][]config.Plugin{
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@ -1162,6 +1161,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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{Name: "NodeAffinity", Weight: 2},
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{Name: "NodePreferAvoidPods", Weight: 2},
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{Name: "RequestedToCapacityRatio", Weight: 2},
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{Name: "DefaultPodTopologySpread", Weight: 2},
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{Name: "TaintToleration", Weight: 2},
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},
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},
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@ -1255,6 +1255,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
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"PodTopologySpread": "EvenPodsSpread",
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}
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scoreToPriorityMap := map[string]string{
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"DefaultPodTopologySpread": "SelectorSpreadPriority",
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"ImageLocality": "ImageLocalityPriority",
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"NodeAffinity": "NodeAffinityPriority",
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"NodePreferAvoidPods": "NodePreferAvoidPodsPriority",
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@ -9,6 +9,7 @@ go_library(
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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/apis/config:go_default_library",
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"//pkg/scheduler/framework/plugins/defaultpodtopologyspread:go_default_library",
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"//pkg/scheduler/framework/plugins/imagelocality:go_default_library",
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"//pkg/scheduler/framework/plugins/interpodaffinity:go_default_library",
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"//pkg/scheduler/framework/plugins/nodeaffinity:go_default_library",
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@ -43,6 +44,7 @@ filegroup(
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name = "all-srcs",
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srcs = [
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":package-srcs",
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"//pkg/scheduler/framework/plugins/defaultpodtopologyspread:all-srcs",
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"//pkg/scheduler/framework/plugins/examples:all-srcs",
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"//pkg/scheduler/framework/plugins/imagelocality:all-srcs",
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"//pkg/scheduler/framework/plugins/interpodaffinity:all-srcs",
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@ -25,6 +25,7 @@ import (
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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/apis/config"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultpodtopologyspread"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/imagelocality"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/interpodaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeaffinity"
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@ -55,6 +56,7 @@ type RegistryArgs struct {
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// plugins can register additional plugins through the WithFrameworkOutOfTreeRegistry option.
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func NewDefaultRegistry(args *RegistryArgs) framework.Registry {
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return framework.Registry{
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defaultpodtopologyspread.Name: defaultpodtopologyspread.New,
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imagelocality.Name: imagelocality.New,
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tainttoleration.Name: tainttoleration.New,
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nodename.Name: nodename.New,
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@ -209,6 +211,11 @@ func NewDefaultConfigProducerRegistry() *ConfigProducerRegistry {
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})
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// Register Priorities.
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registry.RegisterPriority(priorities.SelectorSpreadPriority,
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func(args ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
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plugins.Score = appendToPluginSet(plugins.Score, defaultpodtopologyspread.Name, &args.Weight)
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return
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})
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registry.RegisterPriority(priorities.TaintTolerationPriority,
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func(args ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
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plugins.Score = appendToPluginSet(plugins.Score, tainttoleration.Name, &args.Weight)
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@ -0,0 +1,45 @@
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load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
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go_library(
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name = "go_default_library",
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srcs = ["default_pod_topology_spread.go"],
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importpath = "k8s.io/kubernetes/pkg/scheduler/framework/plugins/defaultpodtopologyspread",
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visibility = ["//visibility:public"],
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deps = [
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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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"//staging/src/k8s.io/api/core/v1:go_default_library",
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"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
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],
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)
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go_test(
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name = "go_default_test",
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srcs = ["default_pod_topology_spread_test.go"],
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embed = [":go_default_library"],
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deps = [
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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/listers/fake:go_default_library",
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"//pkg/scheduler/nodeinfo/snapshot:go_default_library",
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"//staging/src/k8s.io/api/apps/v1: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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],
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)
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filegroup(
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name = "package-srcs",
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srcs = glob(["**"]),
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tags = ["automanaged"],
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visibility = ["//visibility:private"],
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)
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filegroup(
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name = "all-srcs",
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srcs = [":package-srcs"],
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tags = ["automanaged"],
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visibility = ["//visibility:public"],
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)
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@ -0,0 +1,88 @@
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/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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|
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http://www.apache.org/licenses/LICENSE-2.0
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|
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Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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See the License for the specific language governing permissions and
|
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limitations under the License.
|
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*/
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package defaultpodtopologyspread
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import (
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"context"
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"fmt"
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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/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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)
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// DefaultPodTopologySpread is a plugin that calculates selector spread priority.
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type DefaultPodTopologySpread struct {
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handle framework.FrameworkHandle
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calculateSpreadPriorityMap priorities.PriorityMapFunction
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calculateSpreadPriorityReduce priorities.PriorityReduceFunction
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}
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var _ framework.ScorePlugin = &DefaultPodTopologySpread{}
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// Name is the name of the plugin used in the plugin registry and configurations.
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const Name = "DefaultPodTopologySpread"
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// Name returns name of the plugin. It is used in logs, etc.
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func (pl *DefaultPodTopologySpread) Name() string {
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return Name
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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 *DefaultPodTopologySpread) 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 := pl.calculateSpreadPriorityMap(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 *DefaultPodTopologySpread) 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 := pl.calculateSpreadPriorityReduce(pod, meta, pl.handle.SnapshotSharedLister(), scores)
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return migration.ErrorToFrameworkStatus(err)
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}
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// ScoreExtensions of the Score plugin.
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func (pl *DefaultPodTopologySpread) ScoreExtensions() framework.ScoreExtensions {
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return pl
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}
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// New initializes a new plugin and returns it.
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func New(_ *runtime.Unknown, handle framework.FrameworkHandle) (framework.Plugin, error) {
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informerFactory := handle.SharedInformerFactory()
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calculateSpreadPriorityMap, calculateSpreadPriorityReduce := priorities.NewSelectorSpreadPriority(
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informerFactory.Core().V1().Services().Lister(),
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informerFactory.Core().V1().ReplicationControllers().Lister(),
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informerFactory.Apps().V1().ReplicaSets().Lister(),
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informerFactory.Apps().V1().StatefulSets().Lister(),
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)
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return &DefaultPodTopologySpread{
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handle: handle,
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calculateSpreadPriorityMap: calculateSpreadPriorityMap,
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calculateSpreadPriorityReduce: calculateSpreadPriorityReduce,
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}, nil
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}
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@ -0,0 +1,673 @@
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/*
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Copyright 2019 The Kubernetes Authors.
|
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|
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Licensed under the Apache License, Version 2.0 (the "License");
|
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you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
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package defaultpodtopologyspread
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import (
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"context"
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"reflect"
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"sort"
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"testing"
|
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|
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apps "k8s.io/api/apps/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/kubernetes/pkg/scheduler/algorithm/priorities"
|
||||
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/migration"
|
||||
framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
|
||||
fakelisters "k8s.io/kubernetes/pkg/scheduler/listers/fake"
|
||||
nodeinfosnapshot "k8s.io/kubernetes/pkg/scheduler/nodeinfo/snapshot"
|
||||
)
|
||||
|
||||
func controllerRef(kind, name, uid string) []metav1.OwnerReference {
|
||||
// TODO: When ControllerRef will be implemented uncomment code below.
|
||||
return nil
|
||||
//trueVar := true
|
||||
//return []metav1.OwnerReference{
|
||||
// {Kind: kind, Name: name, UID: types.UID(uid), Controller: &trueVar},
|
||||
//}
|
||||
}
|
||||
|
||||
func TestDefaultPodTopologySpreadScore(t *testing.T) {
|
||||
labels1 := map[string]string{
|
||||
"foo": "bar",
|
||||
"baz": "blah",
|
||||
}
|
||||
labels2 := map[string]string{
|
||||
"bar": "foo",
|
||||
"baz": "blah",
|
||||
}
|
||||
zone1Spec := v1.PodSpec{
|
||||
NodeName: "machine1",
|
||||
}
|
||||
zone2Spec := v1.PodSpec{
|
||||
NodeName: "machine2",
|
||||
}
|
||||
tests := []struct {
|
||||
pod *v1.Pod
|
||||
pods []*v1.Pod
|
||||
nodes []string
|
||||
rcs []*v1.ReplicationController
|
||||
rss []*apps.ReplicaSet
|
||||
services []*v1.Service
|
||||
sss []*apps.StatefulSet
|
||||
expectedList framework.NodeScoreList
|
||||
name string
|
||||
}{
|
||||
{
|
||||
pod: new(v1.Pod),
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "nothing scheduled",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{{Spec: zone1Spec}},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "no services",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}}},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"key": "value"}}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "different services",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}},
|
||||
name: "two pods, one service pod",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: metav1.NamespaceDefault}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}},
|
||||
name: "five pods, one service pod in no namespace",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: metav1.NamespaceDefault}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: metav1.NamespaceDefault}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}, ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceDefault}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}},
|
||||
name: "four pods, one service pod in default namespace",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: metav1.NamespaceDefault}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: "ns2"}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, Namespace: "ns1"}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}, ObjectMeta: metav1.ObjectMeta{Namespace: "ns1"}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: 0}},
|
||||
name: "five pods, one service pod in specific namespace",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "three pods, two service pods on different machines",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 50}, {Name: "machine2", Score: 0}},
|
||||
name: "four pods, three service pods",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"baz": "blah"}}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 50}},
|
||||
name: "service with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rcs: []*v1.ReplicationController{{Spec: v1.ReplicationControllerSpec{Selector: map[string]string{"foo": "bar"}}}},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"baz": "blah"}}}},
|
||||
// "baz=blah" matches both labels1 and labels2, and "foo=bar" matches only labels 1. This means that we assume that we want to
|
||||
// do spreading pod2 and pod3 and not pod1.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "service with partial pod label matches with service and replication controller",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"baz": "blah"}}}},
|
||||
rss: []*apps.ReplicaSet{{Spec: apps.ReplicaSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
// We use ReplicaSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "service with partial pod label matches with service and replica set",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"baz": "blah"}}}},
|
||||
sss: []*apps.StatefulSet{{Spec: apps.StatefulSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "service with partial pod label matches with service and stateful set",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: map[string]string{"foo": "bar", "bar": "foo"}, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rcs: []*v1.ReplicationController{{Spec: v1.ReplicationControllerSpec{Selector: map[string]string{"foo": "bar"}}}},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"bar": "foo"}}}},
|
||||
// Taken together Service and Replication Controller should match no pods.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "disjoined service and replication controller matches no pods",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: map[string]string{"foo": "bar", "bar": "foo"}, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"bar": "foo"}}}},
|
||||
rss: []*apps.ReplicaSet{{Spec: apps.ReplicaSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
// We use ReplicaSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "disjoined service and replica set matches no pods",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: map[string]string{"foo": "bar", "bar": "foo"}, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"bar": "foo"}}}},
|
||||
sss: []*apps.StatefulSet{{Spec: apps.StatefulSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: framework.MaxNodeScore}, {Name: "machine2", Score: framework.MaxNodeScore}},
|
||||
name: "disjoined service and stateful set matches no pods",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rcs: []*v1.ReplicationController{{Spec: v1.ReplicationControllerSpec{Selector: map[string]string{"foo": "bar"}}}},
|
||||
// Both Nodes have one pod from the given RC, hence both get 0 score.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "Replication controller with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rss: []*apps.ReplicaSet{{Spec: apps.ReplicaSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
// We use ReplicaSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "Replica set with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
sss: []*apps.StatefulSet{{Spec: apps.StatefulSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}}}}},
|
||||
// We use StatefulSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 0}},
|
||||
name: "StatefulSet with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicationController", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rcs: []*v1.ReplicationController{{Spec: v1.ReplicationControllerSpec{Selector: map[string]string{"baz": "blah"}}}},
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 50}},
|
||||
name: "Another replication controller with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("ReplicaSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
rss: []*apps.ReplicaSet{{Spec: apps.ReplicaSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"baz": "blah"}}}}},
|
||||
// We use ReplicaSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 50}},
|
||||
name: "Another replication set with partial pod label matches",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
pods: []*v1.Pod{
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels2, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
{Spec: zone1Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
{Spec: zone2Spec, ObjectMeta: metav1.ObjectMeta{Labels: labels1, OwnerReferences: controllerRef("StatefulSet", "name", "abc123")}},
|
||||
},
|
||||
nodes: []string{"machine1", "machine2"},
|
||||
sss: []*apps.StatefulSet{{Spec: apps.StatefulSetSpec{Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"baz": "blah"}}}}},
|
||||
// We use StatefulSet, instead of ReplicationController. The result should be exactly as above.
|
||||
expectedList: []framework.NodeScore{{Name: "machine1", Score: 0}, {Name: "machine2", Score: 50}},
|
||||
name: "Another stateful set with partial pod label matches",
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
nodes := makeNodeList(test.nodes)
|
||||
snapshot := nodeinfosnapshot.NewSnapshot(test.pods, nodes)
|
||||
fh, _ := framework.NewFramework(nil, nil, nil, framework.WithNodeInfoSnapshot(snapshot))
|
||||
|
||||
mapFunction, reduceFunction := priorities.NewSelectorSpreadPriority(
|
||||
fakelisters.ServiceLister(test.services),
|
||||
fakelisters.ControllerLister(test.rcs),
|
||||
fakelisters.ReplicaSetLister(test.rss),
|
||||
fakelisters.StatefulSetLister(test.sss),
|
||||
)
|
||||
|
||||
metaDataProducer := priorities.NewPriorityMetadataFactory(
|
||||
fakelisters.ServiceLister(test.services),
|
||||
fakelisters.ControllerLister(test.rcs),
|
||||
fakelisters.ReplicaSetLister(test.rss),
|
||||
fakelisters.StatefulSetLister(test.sss))
|
||||
metaData := metaDataProducer(test.pod, nodes, snapshot)
|
||||
|
||||
state := framework.NewCycleState()
|
||||
state.Write(migration.PrioritiesStateKey, &migration.PrioritiesStateData{Reference: metaData})
|
||||
|
||||
plugin := &DefaultPodTopologySpread{
|
||||
handle: fh,
|
||||
calculateSpreadPriorityMap: mapFunction,
|
||||
calculateSpreadPriorityReduce: reduceFunction,
|
||||
}
|
||||
|
||||
var gotList framework.NodeScoreList
|
||||
for _, nodeName := range test.nodes {
|
||||
score, status := plugin.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 := plugin.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 buildPod(nodeName string, labels map[string]string, ownerRefs []metav1.OwnerReference) *v1.Pod {
|
||||
return &v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{Labels: labels, OwnerReferences: ownerRefs},
|
||||
Spec: v1.PodSpec{NodeName: nodeName},
|
||||
}
|
||||
}
|
||||
|
||||
func TestZoneSelectorSpreadPriority(t *testing.T) {
|
||||
labels1 := map[string]string{
|
||||
"label1": "l1",
|
||||
"baz": "blah",
|
||||
}
|
||||
labels2 := map[string]string{
|
||||
"label2": "l2",
|
||||
"baz": "blah",
|
||||
}
|
||||
|
||||
const nodeMachine1Zone1 = "machine1.zone1"
|
||||
const nodeMachine1Zone2 = "machine1.zone2"
|
||||
const nodeMachine2Zone2 = "machine2.zone2"
|
||||
const nodeMachine1Zone3 = "machine1.zone3"
|
||||
const nodeMachine2Zone3 = "machine2.zone3"
|
||||
const nodeMachine3Zone3 = "machine3.zone3"
|
||||
|
||||
buildNodeLabels := func(failureDomain string) map[string]string {
|
||||
labels := map[string]string{
|
||||
v1.LabelZoneFailureDomain: failureDomain,
|
||||
}
|
||||
return labels
|
||||
}
|
||||
labeledNodes := map[string]map[string]string{
|
||||
nodeMachine1Zone1: buildNodeLabels("zone1"),
|
||||
nodeMachine1Zone2: buildNodeLabels("zone2"),
|
||||
nodeMachine2Zone2: buildNodeLabels("zone2"),
|
||||
nodeMachine1Zone3: buildNodeLabels("zone3"),
|
||||
nodeMachine2Zone3: buildNodeLabels("zone3"),
|
||||
nodeMachine3Zone3: buildNodeLabels("zone3"),
|
||||
}
|
||||
|
||||
tests := []struct {
|
||||
pod *v1.Pod
|
||||
pods []*v1.Pod
|
||||
rcs []*v1.ReplicationController
|
||||
rss []*apps.ReplicaSet
|
||||
services []*v1.Service
|
||||
sss []*apps.StatefulSet
|
||||
expectedList framework.NodeScoreList
|
||||
name string
|
||||
}{
|
||||
{
|
||||
pod: new(v1.Pod),
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine3Zone3, Score: framework.MaxNodeScore},
|
||||
},
|
||||
name: "nothing scheduled",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{buildPod(nodeMachine1Zone1, nil, nil)},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine3Zone3, Score: framework.MaxNodeScore},
|
||||
},
|
||||
name: "no services",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{buildPod(nodeMachine1Zone1, labels2, nil)},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"key": "value"}}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine3Zone3, Score: framework.MaxNodeScore},
|
||||
},
|
||||
name: "different services",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone1, labels2, nil),
|
||||
buildPod(nodeMachine1Zone2, labels2, nil),
|
||||
},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone2, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine3Zone3, Score: framework.MaxNodeScore},
|
||||
},
|
||||
name: "two pods, 0 matching",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone1, labels2, nil),
|
||||
buildPod(nodeMachine1Zone2, labels1, nil),
|
||||
},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: 0}, // Already have pod on machine
|
||||
{Name: nodeMachine2Zone2, Score: 33}, // Already have pod in zone
|
||||
{Name: nodeMachine1Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine2Zone3, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine3Zone3, Score: framework.MaxNodeScore},
|
||||
},
|
||||
name: "two pods, 1 matching (in z2)",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone1, labels2, nil),
|
||||
buildPod(nodeMachine1Zone2, labels1, nil),
|
||||
buildPod(nodeMachine2Zone2, labels1, nil),
|
||||
buildPod(nodeMachine1Zone3, labels2, nil),
|
||||
buildPod(nodeMachine2Zone3, labels1, nil),
|
||||
},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore},
|
||||
{Name: nodeMachine1Zone2, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine2Zone2, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine1Zone3, Score: 66}, // Pod in zone
|
||||
{Name: nodeMachine2Zone3, Score: 33}, // Pod on node
|
||||
{Name: nodeMachine3Zone3, Score: 66}, // Pod in zone
|
||||
},
|
||||
name: "five pods, 3 matching (z2=2, z3=1)",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone1, labels1, nil),
|
||||
buildPod(nodeMachine1Zone2, labels1, nil),
|
||||
buildPod(nodeMachine2Zone2, labels2, nil),
|
||||
buildPod(nodeMachine1Zone3, labels1, nil),
|
||||
},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine1Zone2, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine2Zone2, Score: 33}, // Pod in zone
|
||||
{Name: nodeMachine1Zone3, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine2Zone3, Score: 33}, // Pod in zone
|
||||
{Name: nodeMachine3Zone3, Score: 33}, // Pod in zone
|
||||
},
|
||||
name: "four pods, 3 matching (z1=1, z2=1, z3=1)",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, nil),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone1, labels1, nil),
|
||||
buildPod(nodeMachine1Zone2, labels1, nil),
|
||||
buildPod(nodeMachine1Zone3, labels1, nil),
|
||||
buildPod(nodeMachine2Zone2, labels2, nil),
|
||||
},
|
||||
services: []*v1.Service{{Spec: v1.ServiceSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
{Name: nodeMachine1Zone1, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine1Zone2, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine2Zone2, Score: 33}, // Pod in zone
|
||||
{Name: nodeMachine1Zone3, Score: 0}, // Pod on node
|
||||
{Name: nodeMachine2Zone3, Score: 33}, // Pod in zone
|
||||
{Name: nodeMachine3Zone3, Score: 33}, // Pod in zone
|
||||
},
|
||||
name: "four pods, 3 matching (z1=1, z2=1, z3=1)",
|
||||
},
|
||||
{
|
||||
pod: buildPod("", labels1, controllerRef("ReplicationController", "name", "abc123")),
|
||||
pods: []*v1.Pod{
|
||||
buildPod(nodeMachine1Zone3, labels1, controllerRef("ReplicationController", "name", "abc123")),
|
||||
buildPod(nodeMachine1Zone2, labels1, controllerRef("ReplicationController", "name", "abc123")),
|
||||
buildPod(nodeMachine1Zone3, labels1, controllerRef("ReplicationController", "name", "abc123")),
|
||||
},
|
||||
rcs: []*v1.ReplicationController{{Spec: v1.ReplicationControllerSpec{Selector: labels1}}},
|
||||
expectedList: []framework.NodeScore{
|
||||
// Note that because we put two pods on the same node (nodeMachine1Zone3),
|
||||
// the values here are questionable for zone2, in particular for nodeMachine1Zone2.
|
||||
// However they kind of make sense; zone1 is still most-highly favored.
|
||||
// zone3 is in general least favored, and m1.z3 particularly low priority.
|
||||
// We would probably prefer to see a bigger gap between putting a second
|
||||
// pod on m1.z2 and putting a pod on m2.z2, but the ordering is correct.
|
||||
// This is also consistent with what we have already.
|
||||
{Name: nodeMachine1Zone1, Score: framework.MaxNodeScore}, // No pods in zone
|
||||
{Name: nodeMachine1Zone2, Score: 50}, // Pod on node
|
||||
{Name: nodeMachine2Zone2, Score: 66}, // Pod in zone
|
||||
{Name: nodeMachine1Zone3, Score: 0}, // Two pods on node
|
||||
{Name: nodeMachine2Zone3, Score: 33}, // Pod in zone
|
||||
{Name: nodeMachine3Zone3, Score: 33}, // Pod in zone
|
||||
},
|
||||
name: "Replication controller spreading (z1=0, z2=1, z3=2)",
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
nodes := makeLabeledNodeList(labeledNodes)
|
||||
snapshot := nodeinfosnapshot.NewSnapshot(test.pods, nodes)
|
||||
fh, _ := framework.NewFramework(nil, nil, nil, framework.WithNodeInfoSnapshot(snapshot))
|
||||
|
||||
mapFunction, reduceFunction := priorities.NewSelectorSpreadPriority(
|
||||
fakelisters.ServiceLister(test.services),
|
||||
fakelisters.ControllerLister(test.rcs),
|
||||
fakelisters.ReplicaSetLister(test.rss),
|
||||
fakelisters.StatefulSetLister(test.sss),
|
||||
)
|
||||
metaDataProducer := priorities.NewPriorityMetadataFactory(
|
||||
fakelisters.ServiceLister(test.services),
|
||||
fakelisters.ControllerLister(test.rcs),
|
||||
fakelisters.ReplicaSetLister(test.rss),
|
||||
fakelisters.StatefulSetLister(test.sss))
|
||||
metaData := metaDataProducer(test.pod, nodes, snapshot)
|
||||
|
||||
plugin := &DefaultPodTopologySpread{
|
||||
handle: fh,
|
||||
calculateSpreadPriorityMap: mapFunction,
|
||||
calculateSpreadPriorityReduce: reduceFunction,
|
||||
}
|
||||
|
||||
state := framework.NewCycleState()
|
||||
state.Write(migration.PrioritiesStateKey, &migration.PrioritiesStateData{Reference: metaData})
|
||||
var gotList framework.NodeScoreList
|
||||
for _, n := range nodes {
|
||||
nodeName := n.ObjectMeta.Name
|
||||
score, status := plugin.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 := plugin.ScoreExtensions().NormalizeScore(context.Background(), state, test.pod, gotList)
|
||||
if !status.IsSuccess() {
|
||||
t.Errorf("unexpected error: %v", status)
|
||||
}
|
||||
|
||||
sortNodeScoreList(test.expectedList)
|
||||
sortNodeScoreList(gotList)
|
||||
if !reflect.DeepEqual(test.expectedList, gotList) {
|
||||
t.Errorf("expected:\n\t%+v,\ngot:\n\t%+v", test.expectedList, gotList)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func makeLabeledNodeList(nodeMap map[string]map[string]string) []*v1.Node {
|
||||
nodes := make([]*v1.Node, 0, len(nodeMap))
|
||||
for nodeName, labels := range nodeMap {
|
||||
nodes = append(nodes, &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: nodeName, Labels: labels}})
|
||||
}
|
||||
return nodes
|
||||
}
|
||||
|
||||
func makeNodeList(nodeNames []string) []*v1.Node {
|
||||
nodes := make([]*v1.Node, 0, len(nodeNames))
|
||||
for _, nodeName := range nodeNames {
|
||||
nodes = append(nodes, &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: nodeName}})
|
||||
}
|
||||
return nodes
|
||||
}
|
||||
|
||||
func sortNodeScoreList(out framework.NodeScoreList) {
|
||||
sort.Slice(out, func(i, j int) bool {
|
||||
if out[i].Score == out[j].Score {
|
||||
return out[i].Name < out[j].Name
|
||||
}
|
||||
return out[i].Score < out[j].Score
|
||||
})
|
||||
}
|
||||
@ -132,7 +132,6 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
|
||||
}`,
|
||||
expectedPrioritizers: sets.NewString(
|
||||
"InterPodAffinityPriority",
|
||||
"SelectorSpreadPriority",
|
||||
),
|
||||
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
|
||||
"FilterPlugin": {
|
||||
@ -157,6 +156,7 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
|
||||
{Name: "NodeResourcesLeastAllocated", Weight: 1},
|
||||
{Name: "NodeAffinity", Weight: 1},
|
||||
{Name: "NodePreferAvoidPods", Weight: 10000},
|
||||
{Name: "DefaultPodTopologySpread", Weight: 1},
|
||||
{Name: "TaintToleration", Weight: 1},
|
||||
},
|
||||
},
|
||||
@ -210,7 +210,6 @@ kind: Policy
|
||||
`,
|
||||
expectedPrioritizers: sets.NewString(
|
||||
"InterPodAffinityPriority",
|
||||
"SelectorSpreadPriority",
|
||||
),
|
||||
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
|
||||
"FilterPlugin": {
|
||||
@ -235,6 +234,7 @@ kind: Policy
|
||||
{Name: "NodeResourcesLeastAllocated", Weight: 1},
|
||||
{Name: "NodeAffinity", Weight: 1},
|
||||
{Name: "NodePreferAvoidPods", Weight: 10000},
|
||||
{Name: "DefaultPodTopologySpread", Weight: 1},
|
||||
{Name: "TaintToleration", Weight: 1},
|
||||
},
|
||||
},
|
||||
|
||||
Loading…
Reference in New Issue
Block a user