Refactor autoscaler.go and static_autoscalar.go to move declaration of the NodeDeletion option to main.go

cluster-autoscaler/core/autoscaler.go

@@ -31,6 +31,7 @@ import (
 	"k8s.io/autoscaler/cluster-autoscaler/expander"
 	"k8s.io/autoscaler/cluster-autoscaler/expander/factory"
 	ca_processors "k8s.io/autoscaler/cluster-autoscaler/processors"
+	"k8s.io/autoscaler/cluster-autoscaler/simulator"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator/clustersnapshot"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator/predicatechecker"
 	"k8s.io/autoscaler/cluster-autoscaler/utils/backoff"
@@ -54,6 +55,7 @@ type AutoscalerOptions struct {
 	DebuggingSnapshotter   debuggingsnapshot.DebuggingSnapshotter
 	RemainingPdbTracker    pdb.RemainingPdbTracker
 	ScaleUpOrchestrator    scaleup.Orchestrator
+	DeleteOptions          simulator.NodeDeleteOptions
 }
 
 // Autoscaler is the main component of CA which scales up/down node groups according to its configuration
@@ -85,7 +87,8 @@ func NewAutoscaler(opts AutoscalerOptions) (Autoscaler, errors.AutoscalerError)
 		opts.Backoff,
 		opts.DebuggingSnapshotter,
 		opts.RemainingPdbTracker,
-		opts.ScaleUpOrchestrator), nil
+		opts.ScaleUpOrchestrator,
+		opts.DeleteOptions), nil
 }
 
 // Initialize default options if not provided.

cluster-autoscaler/core/static_autoscaler.go

@@ -141,7 +141,8 @@ func NewStaticAutoscaler(
 	backoff backoff.Backoff,
 	debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter,
 	remainingPdbTracker pdb.RemainingPdbTracker,
-	scaleUpOrchestrator scaleup.Orchestrator) *StaticAutoscaler {
+	scaleUpOrchestrator scaleup.Orchestrator,
+	deleteOptions simulator.NodeDeleteOptions) *StaticAutoscaler {
 
 	clusterStateConfig := clusterstate.ClusterStateRegistryConfig{
 		MaxTotalUnreadyPercentage: opts.MaxTotalUnreadyPercentage,
@@ -166,8 +167,6 @@ func NewStaticAutoscaler(
 	clusterStateRegistry.RegisterProviders(providers.NewDefaultMaxNodeProvisionTimeProvider(autoscalingContext, processors.NodeGroupConfigProcessor))
 	processors.ScaleDownCandidatesNotifier.Register(clusterStateRegistry)
 
-	deleteOptions := simulator.NewNodeDeleteOptions(opts)
-
 	// TODO: Populate the ScaleDownActuator/Planner fields in AutoscalingContext
 	// during the struct creation rather than here.
 	ndt := deletiontracker.NewNodeDeletionTracker(0 * time.Second)

cluster-autoscaler/main.go

@@ -30,6 +30,7 @@ import (
 	"time"
 
 	"k8s.io/autoscaler/cluster-autoscaler/debuggingsnapshot"
+	"k8s.io/autoscaler/cluster-autoscaler/simulator"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator/predicatechecker"
 
 	"github.com/spf13/pflag"
@@ -404,6 +405,7 @@ func buildAutoscaler(debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter
 	if err != nil {
 		return nil, err
 	}
+	deleteOptions := simulator.NewNodeDeleteOptions(autoscalingOptions)
 
 	opts := core.AutoscalerOptions{
 		AutoscalingOptions:   autoscalingOptions,
@@ -412,6 +414,7 @@ func buildAutoscaler(debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter
 		EventsKubeClient:     eventsKubeClient,
 		DebuggingSnapshotter: debuggingSnapshotter,
 		PredicateChecker:     predicateChecker,
+		DeleteOptions:        deleteOptions,
 	}
 
 	opts.Processors = ca_processors.DefaultProcessors()
@@ -421,7 +424,7 @@ func buildAutoscaler(debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter
 	if autoscalingOptions.ParallelDrain {
 		sdCandidatesSorting := previouscandidates.NewPreviousCandidates()
 		scaleDownCandidatesComparers = []scaledowncandidates.CandidatesComparer{
-			emptycandidates.NewEmptySortingProcessor(&autoscalingOptions, emptycandidates.NewNodeInfoGetter(opts.ClusterSnapshot)),
+			emptycandidates.NewEmptySortingProcessor(emptycandidates.NewNodeInfoGetter(opts.ClusterSnapshot), deleteOptions),
 			sdCandidatesSorting,
 		}
 		opts.Processors.ScaleDownCandidatesNotifier.Register(sdCandidatesSorting)

cluster-autoscaler/processors/scaledowncandidates/emptycandidates/empty_candidates_sorting.go

@@ -20,7 +20,6 @@ import (
 	"time"
 
 	apiv1 "k8s.io/api/core/v1"
-	"k8s.io/autoscaler/cluster-autoscaler/config"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator/clustersnapshot"
 	schedulerframework "k8s.io/kubernetes/pkg/scheduler/framework"
@@ -50,8 +49,7 @@ type EmptySorting struct {
 }
 
 // NewEmptySortingProcessor return EmptySorting struct.
-func NewEmptySortingProcessor(opts *config.AutoscalingOptions, n nodeInfoGetter) *EmptySorting {
+func NewEmptySortingProcessor(n nodeInfoGetter, deleteOptions simulator.NodeDeleteOptions) *EmptySorting {
-	deleteOptions := simulator.NewNodeDeleteOptions(*opts)
 	return &EmptySorting{n, deleteOptions}
 }