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nodecontroller: improve node status event recording

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This patch substitutes the misleading reason "unknown" for the event
recording. For symmetry with kubelet's message "online" the conditions
Unknown and False are reported as "offline".

Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
This commit is contained in:
Federico Simoncelli 2015-04-22 10:48:38 -04:00
parent 21c57a5633
commit 2f503c57a5
2 changed files with 11 additions and 25 deletions
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11
pkg/cloudprovider/nodecontroller/nodecontroller.go
View File

@ -424,7 +424,7 @@ func (nc *NodeController) recordNodeEvent(node *api.Node, event string) {
glog.V(2).Infof("Recording %s event message for node %s", event, node.Name)
// TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055.
nc.recorder.Eventf(ref, event, "Node %s is now %s", node.Name, event)
nc.recorder.Eventf(ref, event, "Node %s status is now: %s", node.Name, event)
}
// For a given node checks its conditions and tries to update it. Returns grace period to which given node
@ -611,12 +611,9 @@ func (nc *NodeController) monitorNodeStatus() error {
}
}
// Report node events.
if readyCondition.Status == api.ConditionFalse && lastReadyCondition.Status != api.ConditionFalse {
nc.recordNodeEvent(node, "not_ready")
}
if readyCondition.Status == api.ConditionUnknown && lastReadyCondition.Status != api.ConditionUnknown {
nc.recordNodeEvent(node, "unknown")
// Report node event.
if readyCondition.Status != api.ConditionTrue && lastReadyCondition.Status == api.ConditionTrue {
nc.recordNodeEvent(node, "NodeNotReady")
}
}
}

25
pkg/kubelet/kubelet.go
View File

@ -1717,22 +1717,11 @@ func (kl *Kubelet) updateNodeStatus() error {
return fmt.Errorf("Update node status exceeds retry count")
}
func (kl *Kubelet) recordNodeOnlineEvent() {
func (kl *Kubelet) recordNodeStatusEvent(event string) {
glog.V(2).Infof("Recording %s event message for node %s", event, kl.hostname)
// TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055.
kl.recorder.Eventf(kl.nodeRef, "online", "Node %s is now online", kl.hostname)
}
func (kl *Kubelet) recordNodeSchedulableEvent() {
// TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055.
kl.recorder.Eventf(kl.nodeRef, "schedulable", "Node %s is now schedulable", kl.hostname)
}
func (kl *Kubelet) recordNodeUnschedulableEvent() {
// TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055.
kl.recorder.Eventf(kl.nodeRef, "unschedulable", "Node %s is now unschedulable", kl.hostname)
kl.recorder.Eventf(kl.nodeRef, event, "Node %s status is now: %s", kl.hostname, event)
}
// Maintains Node.Spec.Unschedulable value from previous run of tryUpdateNodeStatus()
@ -1828,7 +1817,7 @@ func (kl *Kubelet) tryUpdateNodeStatus() error {
if node.Status.Conditions[i].Type == api.NodeReady {
newCondition.LastTransitionTime = node.Status.Conditions[i].LastTransitionTime
if node.Status.Conditions[i].Status != api.ConditionTrue {
kl.recordNodeOnlineEvent()
kl.recordNodeStatusEvent("NodeReady")
}
node.Status.Conditions[i] = newCondition
updated = true
@ -1837,14 +1826,14 @@ func (kl *Kubelet) tryUpdateNodeStatus() error {
if !updated {
newCondition.LastTransitionTime = currentTime
node.Status.Conditions = append(node.Status.Conditions, newCondition)
kl.recordNodeOnlineEvent()
kl.recordNodeStatusEvent("NodeReady")
}
if oldNodeUnschedulable != node.Spec.Unschedulable {
if node.Spec.Unschedulable {
kl.recordNodeUnschedulableEvent()
kl.recordNodeStatusEvent("NodeNotSchedulable")
} else {
kl.recordNodeSchedulableEvent()
kl.recordNodeStatusEvent("NodeSchedulable")
}
oldNodeUnschedulable = node.Spec.Unschedulable
}