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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) 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 // TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055. // 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 // 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. // Report node event.
if readyCondition.Status == api.ConditionFalse && lastReadyCondition.Status != api.ConditionFalse { if readyCondition.Status != api.ConditionTrue && lastReadyCondition.Status == api.ConditionTrue {
nc.recordNodeEvent(node, "not_ready") nc.recordNodeEvent(node, "NodeNotReady")
}
if readyCondition.Status == api.ConditionUnknown && lastReadyCondition.Status != api.ConditionUnknown {
nc.recordNodeEvent(node, "unknown")
} }
} }
} }

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") 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 // TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055. // and event is recorded or neither should happen, see issue #6055.
kl.recorder.Eventf(kl.nodeRef, "online", "Node %s is now online", kl.hostname) kl.recorder.Eventf(kl.nodeRef, event, "Node %s status is now: %s", kl.hostname, event)
}
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)
} }
// Maintains Node.Spec.Unschedulable value from previous run of tryUpdateNodeStatus() // 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 { if node.Status.Conditions[i].Type == api.NodeReady {
newCondition.LastTransitionTime = node.Status.Conditions[i].LastTransitionTime newCondition.LastTransitionTime = node.Status.Conditions[i].LastTransitionTime
if node.Status.Conditions[i].Status != api.ConditionTrue { if node.Status.Conditions[i].Status != api.ConditionTrue {
kl.recordNodeOnlineEvent() kl.recordNodeStatusEvent("NodeReady")
} }
node.Status.Conditions[i] = newCondition node.Status.Conditions[i] = newCondition
updated = true updated = true
@ -1837,14 +1826,14 @@ func (kl *Kubelet) tryUpdateNodeStatus() error {
if !updated { if !updated {
newCondition.LastTransitionTime = currentTime newCondition.LastTransitionTime = currentTime
node.Status.Conditions = append(node.Status.Conditions, newCondition) node.Status.Conditions = append(node.Status.Conditions, newCondition)
kl.recordNodeOnlineEvent() kl.recordNodeStatusEvent("NodeReady")
} }
if oldNodeUnschedulable != node.Spec.Unschedulable { if oldNodeUnschedulable != node.Spec.Unschedulable {
if node.Spec.Unschedulable { if node.Spec.Unschedulable {
kl.recordNodeUnschedulableEvent() kl.recordNodeStatusEvent("NodeNotSchedulable")
} else { } else {
kl.recordNodeSchedulableEvent() kl.recordNodeStatusEvent("NodeSchedulable")
} }
oldNodeUnschedulable = node.Spec.Unschedulable oldNodeUnschedulable = node.Spec.Unschedulable
} }