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Reset extended resources only when node is recreated.

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This commit is contained in:
Richard Chen
2019-05-09 14:07:22 -07:00
parent 2fd1556eb3
commit c9f1b57b5b
11 changed files with 151 additions and 21 deletions
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17
pkg/kubelet/kubelet_node_status.go
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@@ -26,7 +26,7 @@ import (
"k8s.io/klog"
"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
@@ -132,12 +132,15 @@ func (kl *Kubelet) tryRegisterWithAPIServer(node *v1.Node) bool {
// Zeros out extended resource capacity during reconciliation.
func (kl *Kubelet) reconcileExtendedResource(initialNode, node *v1.Node) bool {
requiresUpdate := false
for k := range node.Status.Capacity {
if v1helper.IsExtendedResourceName(k) {
klog.Infof("Zero out resource %s capacity in existing node.", k)
node.Status.Capacity[k] = *resource.NewQuantity(int64(0), resource.DecimalSI)
node.Status.Allocatable[k] = *resource.NewQuantity(int64(0), resource.DecimalSI)
requiresUpdate = true
// Check with the device manager to see if node has been recreated, in which case extended resources should be zeroed until they are available
if kl.containerManager.ShouldResetExtendedResourceCapacity() {
for k := range node.Status.Capacity {
if v1helper.IsExtendedResourceName(k) {
klog.Infof("Zero out resource %s capacity in existing node.", k)
node.Status.Capacity[k] = *resource.NewQuantity(int64(0), resource.DecimalSI)
node.Status.Allocatable[k] = *resource.NewQuantity(int64(0), resource.DecimalSI)
requiresUpdate = true
}
}
}
return requiresUpdate