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port setNodeOODCondition to Setter abstraction

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This commit is contained in:
Michael Taufen 2018-06-25 16:55:38 -07:00
parent 15b03b8c0c
commit c33f321acd
3 changed files with 43 additions and 34 deletions
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35
pkg/kubelet/kubelet_node_status.go
View File

@ -892,39 +892,6 @@ func (kl *Kubelet) setNodeDiskPressureCondition(node *v1.Node) {
}
}
// Set OODCondition for the node.
func (kl *Kubelet) setNodeOODCondition(node *v1.Node) {
currentTime := metav1.NewTime(kl.clock.Now())
var nodeOODCondition *v1.NodeCondition
// Check if NodeOutOfDisk condition already exists and if it does, just pick it up for update.
for i := range node.Status.Conditions {
if node.Status.Conditions[i].Type == v1.NodeOutOfDisk {
nodeOODCondition = &node.Status.Conditions[i]
}
}
newOODCondition := nodeOODCondition == nil
if newOODCondition {
nodeOODCondition = &v1.NodeCondition{}
}
if nodeOODCondition.Status != v1.ConditionFalse {
nodeOODCondition.Type = v1.NodeOutOfDisk
nodeOODCondition.Status = v1.ConditionFalse
nodeOODCondition.Reason = "KubeletHasSufficientDisk"
nodeOODCondition.Message = "kubelet has sufficient disk space available"
nodeOODCondition.LastTransitionTime = currentTime
kl.recordNodeStatusEvent(v1.EventTypeNormal, "NodeHasSufficientDisk")
}
// Update the heartbeat time irrespective of all the conditions.
nodeOODCondition.LastHeartbeatTime = currentTime
if newOODCondition {
node.Status.Conditions = append(node.Status.Conditions, *nodeOODCondition)
}
}
// record if node schedulable change.
func (kl *Kubelet) recordNodeSchedulableEvent(node *v1.Node) {
kl.lastNodeUnschedulableLock.Lock()
@ -990,7 +957,7 @@ func (kl *Kubelet) defaultNodeStatusFuncs() []func(*v1.Node) error {
return []func(*v1.Node) error{
nodestatus.NodeAddress(kl.nodeIP, kl.nodeIPValidator, kl.hostname, kl.externalCloudProvider, kl.cloud, nodeAddressesFunc),
withoutError(kl.setNodeStatusInfo),
withoutError(kl.setNodeOODCondition),
nodestatus.OutOfDiskCondition(kl.clock.Now, kl.recordNodeStatusEvent),
withoutError(kl.setNodeMemoryPressureCondition),
withoutError(kl.setNodeDiskPressureCondition),
withoutError(kl.setNodePIDPressureCondition),

1
pkg/kubelet/nodestatus/BUILD
View File

@ -9,6 +9,7 @@ go_library(
"//pkg/cloudprovider:go_default_library",
"//pkg/kubelet/apis:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/net:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
],

41
pkg/kubelet/nodestatus/setters.go
View File

@ -19,8 +19,10 @@ package nodestatus
import (
"fmt"
"net"
"time"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilnet "k8s.io/apimachinery/pkg/util/net"
"k8s.io/kubernetes/pkg/cloudprovider"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
@ -139,3 +141,42 @@ func NodeAddress(nodeIP net.IP, // typically Kubelet.nodeIP
return nil
}
}
// OutOfDiskCondition returns a Setter that updates the v1.NodeOutOfDisk condition on the node.
// TODO(#65658): remove this condition
func OutOfDiskCondition(nowFunc func() time.Time, // typically Kubelet.clock.Now
recordEventFunc func(eventType, event string), // typically Kubelet.recordNodeStatusEvent
) Setter {
return func(node *v1.Node) error {
currentTime := metav1.NewTime(nowFunc())
var nodeOODCondition *v1.NodeCondition
// Check if NodeOutOfDisk condition already exists and if it does, just pick it up for update.
for i := range node.Status.Conditions {
if node.Status.Conditions[i].Type == v1.NodeOutOfDisk {
nodeOODCondition = &node.Status.Conditions[i]
}
}
newOODCondition := nodeOODCondition == nil
if newOODCondition {
nodeOODCondition = &v1.NodeCondition{}
}
if nodeOODCondition.Status != v1.ConditionFalse {
nodeOODCondition.Type = v1.NodeOutOfDisk
nodeOODCondition.Status = v1.ConditionFalse
nodeOODCondition.Reason = "KubeletHasSufficientDisk"
nodeOODCondition.Message = "kubelet has sufficient disk space available"
nodeOODCondition.LastTransitionTime = currentTime
recordEventFunc(v1.EventTypeNormal, "NodeHasSufficientDisk")
}
// Update the heartbeat time irrespective of all the conditions.
nodeOODCondition.LastHeartbeatTime = currentTime
if newOODCondition {
node.Status.Conditions = append(node.Status.Conditions, *nodeOODCondition)
}
return nil
}
}