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annotate fakeNodes so that cloudprovider implementations can identify them #4119

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merged 2 commits into from
Jun 9, 2021
Merged

annotate fakeNodes so that cloudprovider implementations can identify them #4119

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36460df
annotate fakeNodes so that cloudprovider implementations can identify…
marwanad Jun 6, 2021
8039af6
move annotations to cloudprovider package
marwanad Jun 8, 2021
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10 changes: 10 additions & 0 deletions cluster-autoscaler/cloudprovider/cloud_provider.go
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Original file line number Diff line number Diff line change
Expand Up @@ -256,6 +256,16 @@ func (c InstanceErrorClass) String() string {
}
}

const (
// FakeNodeReasonAnnotation is an annotation added to the fake placeholder nodes CA has created
// Note that this don't map to real nodes in k8s and are merely used for error handling
FakeNodeReasonAnnotation = "k8s.io/cluster-autoscaler/fake-node-reason"
// FakeNodeUnregistered represents a node that is identified by CA as unregistered
FakeNodeUnregistered = "unregistered"
// FakeNodeCreateError represents a node that is identified by CA as a created node with errors
FakeNodeCreateError = "create-error"
)

// PricingModel contains information about the node price and how it changes in time.
type PricingModel interface {
// NodePrice returns a price of running the given node for a given period of time.
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9 changes: 6 additions & 3 deletions cluster-autoscaler/clusterstate/clusterstate.go
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Expand Up @@ -949,7 +949,7 @@ func getNotRegisteredNodes(allNodes []*apiv1.Node, cloudProviderNodeInstances ma
for _, instance := range instances {
if !registered.Has(instance.Id) {
notRegistered = append(notRegistered, UnregisteredNode{
Node: fakeNode(instance),
Node: fakeNode(instance, cloudprovider.FakeNodeUnregistered),
UnregisteredSince: time,
})
}
Expand Down Expand Up @@ -1096,7 +1096,7 @@ func (csr *ClusterStateRegistry) GetCreatedNodesWithErrors() []*apiv1.Node {
_, _, instancesByErrorCode := csr.buildInstanceToErrorCodeMappings(nodeGroupInstances)
for _, instances := range instancesByErrorCode {
for _, instance := range instances {
nodesWithCreateErrors = append(nodesWithCreateErrors, fakeNode(instance))
nodesWithCreateErrors = append(nodesWithCreateErrors, fakeNode(instance, cloudprovider.FakeNodeCreateError))
}
}
}
Expand All @@ -1113,10 +1113,13 @@ func (csr *ClusterStateRegistry) InvalidateNodeInstancesCacheEntry(nodeGroup clo
csr.cloudProviderNodeInstancesCache.InvalidateCacheEntry(nodeGroup)
}

func fakeNode(instance cloudprovider.Instance) *apiv1.Node {
func fakeNode(instance cloudprovider.Instance, reason string) *apiv1.Node {
return &apiv1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: instance.Id,
Annotations: map[string]string{
cloudprovider.FakeNodeReasonAnnotation: reason,
},
},
Spec: apiv1.NodeSpec{
ProviderID: instance.Id,
Expand Down