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fix inter-pod anti-affinity issue

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This commit is contained in:
wenlxie
2017-10-10 17:04:37 +08:00
parent 6c081c3d53
commit 82e02cc986
3 changed files with 25 additions and 13 deletions
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6
plugin/pkg/scheduler/algorithm/predicates/predicates.go
View File

@@ -96,7 +96,7 @@ func (c *CachedNodeInfo) GetNodeInfo(id string) (*v1.Node, error) {
node, err := c.Get(id)
if apierrors.IsNotFound(err) {
return nil, fmt.Errorf("node '%v' not found", id)
return nil, err
}
if err != nil {
@@ -1125,6 +1125,10 @@ func (c *PodAffinityChecker) getMatchingAntiAffinityTerms(pod *v1.Pod, allPods [
if affinity != nil && affinity.PodAntiAffinity != nil {
existingPodNode, err := c.info.GetNodeInfo(existingPod.Spec.NodeName)
if err != nil {
if apierrors.IsNotFound(err) {
glog.Errorf("Node not found, %v", existingPod.Spec.NodeName)
continue
}
return nil, err
}
existingPodMatchingTerms, err := getMatchingAntiAffinityTermsOfExistingPod(pod, existingPod, existingPodNode)

1
plugin/pkg/scheduler/algorithm/priorities/BUILD
View File

@@ -33,6 +33,7 @@ go_library(
"//plugin/pkg/scheduler/schedulercache:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",

7
plugin/pkg/scheduler/algorithm/priorities/interpod_affinity.go
View File

@@ -21,6 +21,7 @@ import (
"sync"
"k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/util/workqueue"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
@@ -137,6 +138,10 @@ func (ipa *InterPodAffinity) CalculateInterPodAffinityPriority(pod *v1.Pod, node
processPod := func(existingPod *v1.Pod) error {
existingPodNode, err := ipa.info.GetNodeInfo(existingPod.Spec.NodeName)
if err != nil {
if apierrors.IsNotFound(err) {
glog.Errorf("Node not found, %v", existingPod.Spec.NodeName)
return nil
}
return err
}
existingPodAffinity := existingPod.Spec.Affinity
@@ -189,6 +194,7 @@ func (ipa *InterPodAffinity) CalculateInterPodAffinityPriority(pod *v1.Pod, node
}
processNode := func(i int) {
nodeInfo := nodeNameToInfo[allNodeNames[i]]
if nodeInfo.Node() != nil {
if hasAffinityConstraints || hasAntiAffinityConstraints {
// We need to process all the nodes.
for _, existingPod := range nodeInfo.Pods() {
@@ -206,6 +212,7 @@ func (ipa *InterPodAffinity) CalculateInterPodAffinityPriority(pod *v1.Pod, node
}
}
}
}
workqueue.Parallelize(16, len(allNodeNames), processNode)
if pm.firstError != nil {
return nil, pm.firstError