[cluster-autoscaler-release-1.30] Fix ProvisioningRequest update

cluster-autoscaler/main.go

@@ -33,6 +33,7 @@ import (
 	"k8s.io/autoscaler/cluster-autoscaler/debuggingsnapshot"
 	"k8s.io/autoscaler/cluster-autoscaler/loop"
 	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/checkcapacity"
+	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient"
 	"k8s.io/autoscaler/cluster-autoscaler/simulator/predicatechecker"
 	kubelet_config "k8s.io/kubernetes/pkg/kubelet/apis/config"
 
@@ -504,7 +505,11 @@ func buildAutoscaler(debuggingSnapshotter debuggingsnapshot.DebuggingSnapshotter
 		scaleUpOrchestrator := provreqorchestrator.NewWrapperOrchestrator(provreqOrchestrator)
 
 		opts.ScaleUpOrchestrator = scaleUpOrchestrator
-		provreqProcesor, err := provreq.NewCombinedProvReqProcessor(restConfig, []provreq.ProvisioningRequestProcessor{checkcapacity.NewCheckCapacityProcessor()})
+		client, err := provreqclient.NewProvisioningRequestClient(restConfig)
+		if err != nil {
+			return nil, err
+		}
+		provreqProcesor := provreq.NewCombinedProvReqProcessor(client, []provreq.ProvisioningRequestProcessor{checkcapacity.NewCheckCapacityProcessor(client)})
 		if err != nil {
 			return nil, err
 		}

cluster-autoscaler/processors/provreq/provisioning_request_injector.go

@@ -78,10 +78,17 @@ func (p *ProvisioningRequestPodsInjector) Process(
 			if err != nil {
 				klog.Errorf("Failed to get pods for ProvisioningRequest %v", pr.Name)
 				provreqconditions.AddOrUpdateCondition(pr, v1beta1.Failed, metav1.ConditionTrue, provreqconditions.FailedToCreatePodsReason, err.Error(), metav1.NewTime(p.clock.Now()))
+				if _, err := p.client.UpdateProvisioningRequest(pr.ProvisioningRequest); err != nil {
+					klog.Errorf("failed add Failed condition to ProvReq %s/%s, err: %v", pr.Namespace, pr.Name, err)
+				}
 				continue
 			}
-			unschedulablePods := append(unschedulablePods, provreqpods...)
 			provreqconditions.AddOrUpdateCondition(pr, v1beta1.Accepted, metav1.ConditionTrue, provreqconditions.AcceptedReason, provreqconditions.AcceptedMsg, metav1.NewTime(p.clock.Now()))
+			if _, err := p.client.UpdateProvisioningRequest(pr.ProvisioningRequest); err != nil {
+				klog.Errorf("failed add Accepted condition to ProvReq %s/%s, err: %v", pr.Namespace, pr.Name, err)
+				continue
+			}
+			unschedulablePods := append(unschedulablePods, provreqpods...)
 			return unschedulablePods, nil
 		}
 	}

cluster-autoscaler/processors/provreq/provisioning_request_processor.go

@@ -20,7 +20,6 @@ import (
 	"k8s.io/autoscaler/cluster-autoscaler/observers/loopstart"
 	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient"
 	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqwrapper"
-	"k8s.io/client-go/rest"
 	"k8s.io/klog/v2"
 )
 
@@ -38,12 +37,8 @@ type CombinedProvReqProcessor struct {
 }
 
 // NewCombinedProvReqProcessor return new CombinedProvReqProcessor.
-func NewCombinedProvReqProcessor(kubeConfig *rest.Config, processors []ProvisioningRequestProcessor) (loopstart.Observer, error) {
-	client, err := provreqclient.NewProvisioningRequestClient(kubeConfig)
-	if err != nil {
-		return nil, err
-	}
-	return &CombinedProvReqProcessor{client: client, processors: processors}, nil
+func NewCombinedProvReqProcessor(client *provreqclient.ProvisioningRequestClient, processors []ProvisioningRequestProcessor) loopstart.Observer {
+	return &CombinedProvReqProcessor{client: client, processors: processors}
 }
 
 // Refresh iterates over ProvisioningRequests and updates its conditions/state.

cluster-autoscaler/provisioningrequest/checkcapacity/processor.go

@@ -23,7 +23,9 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/autoscaler/cluster-autoscaler/apis/provisioningrequest/autoscaling.x-k8s.io/v1beta1"
 	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/conditions"
+	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient"
 	"k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqwrapper"
+	"k8s.io/klog/v2"
 )
 
 const (
@@ -36,11 +38,12 @@ const (
 type checkCapacityProcessor struct {
 	now        func() time.Time
 	maxUpdated int
+	client     *provreqclient.ProvisioningRequestClient
 }
 
 // NewCheckCapacityProcessor return ProvisioningRequestProcessor for Check-capacity ProvisioningClass.
-func NewCheckCapacityProcessor() *checkCapacityProcessor {
-	return &checkCapacityProcessor{now: time.Now, maxUpdated: defaultMaxUpdated}
+func NewCheckCapacityProcessor(client *provreqclient.ProvisioningRequestClient) *checkCapacityProcessor {
+	return &checkCapacityProcessor{now: time.Now, maxUpdated: defaultMaxUpdated, client: client}
 }
 
 // Process iterates over ProvisioningRequests and apply:
@@ -71,20 +74,21 @@ func (p *checkCapacityProcessor) Process(provReqs []*provreqwrapper.Provisioning
 			}
 		}
 	}
-	updated := 0
 	for _, provReq := range expiredProvReq {
-		if updated >= p.maxUpdated {
-			break
-		}
 		conditions.AddOrUpdateCondition(provReq, v1beta1.BookingExpired, metav1.ConditionTrue, conditions.CapacityReservationTimeExpiredReason, conditions.CapacityReservationTimeExpiredMsg, metav1.NewTime(p.now()))
-		updated++
+		_, updErr := p.client.UpdateProvisioningRequest(provReq.ProvisioningRequest)
+		if updErr != nil {
+			klog.Errorf("failed to add BookingExpired condition to ProvReq %s/%s, err: %v", provReq.Namespace, provReq.Name, updErr)
+			continue
+		}
 	}
 	for _, provReq := range failedProvReq {
-		if updated >= p.maxUpdated {
-			break
-		}
 		conditions.AddOrUpdateCondition(provReq, v1beta1.Failed, metav1.ConditionTrue, conditions.ExpiredReason, conditions.ExpiredMsg, metav1.NewTime(p.now()))
-		updated++
+		_, updErr := p.client.UpdateProvisioningRequest(provReq.ProvisioningRequest)
+		if updErr != nil {
+			klog.Errorf("failed to add Failed condition to ProvReq %s/%s, err: %v", provReq.Namespace, provReq.Name, updErr)
+			continue
+		}
 	}
 }
 

cluster-autoscaler/provisioningrequest/checkcapacity/processor_test.go

@@ -146,7 +146,7 @@ func TestProcess(t *testing.T) {
 		additionalPr := provreqclient.ProvisioningRequestWrapperForTesting("namespace", "additional")
 		additionalPr.CreationTimestamp = metav1.NewTime(weekAgo)
 		additionalPr.Spec.ProvisioningClassName = v1beta1.ProvisioningClassCheckCapacity
-		processor := checkCapacityProcessor{func() time.Time { return now }, 1}
+		processor := checkCapacityProcessor{func() time.Time { return now }, 1, provreqclient.NewFakeProvisioningRequestClient(nil, t, pr, additionalPr)}
 		processor.Process([]*provreqwrapper.ProvisioningRequest{pr, additionalPr})
 		assert.ElementsMatch(t, test.wantConditions, pr.Status.Conditions)
 		if len(test.conditions) == len(test.wantConditions) {

cluster-autoscaler/provisioningrequest/checkcapacity/provisioningclass.go

@@ -17,6 +17,8 @@ limitations under the License.
 package checkcapacity
 
 import (
+	"fmt"
+
 	appsv1 "k8s.io/api/apps/v1"
 	apiv1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -93,12 +95,18 @@ func (o *checkCapacityProvClass) Provision(
 }
 
 // Assuming that all unschedulable pods comes from one ProvisioningRequest.
-func (o *checkCapacityProvClass) checkcapacity(unschedulablePods []*apiv1.Pod, provReq *provreqwrapper.ProvisioningRequest) (bool, error) {
+func (o *checkCapacityProvClass) checkcapacity(unschedulablePods []*apiv1.Pod, provReq *provreqwrapper.ProvisioningRequest) (capacityAvailable bool, err error) {
+	capacityAvailable = true
 	st, _, err := o.injector.TrySchedulePods(o.context.ClusterSnapshot, unschedulablePods, scheduling.ScheduleAnywhere, true)
 	if len(st) < len(unschedulablePods) || err != nil {
 		conditions.AddOrUpdateCondition(provReq, v1beta1.Provisioned, metav1.ConditionFalse, conditions.CapacityIsNotFoundReason, "Capacity is not found, CA will try to find it later.", metav1.Now())
-		return false, err
+		capacityAvailable = false
+	} else {
+		conditions.AddOrUpdateCondition(provReq, v1beta1.Provisioned, metav1.ConditionTrue, conditions.CapacityIsFoundReason, conditions.CapacityIsFoundMsg, metav1.Now())
+	}
+	_, updErr := o.client.UpdateProvisioningRequest(provReq.ProvisioningRequest)
+	if updErr != nil {
+		return false, fmt.Errorf("failed to update Provisioned condition to ProvReq %s/%s, err: %v", provReq.Namespace, provReq.Name, updErr)
 	}
-	conditions.AddOrUpdateCondition(provReq, v1beta1.Provisioned, metav1.ConditionTrue, conditions.CapacityIsFoundReason, conditions.CapacityIsFoundMsg, metav1.Now())
-	return true, nil
+	return capacityAvailable, err
 }

cluster-autoscaler/provisioningrequest/orchestrator/orchestrator.go

@@ -132,6 +132,9 @@ func (o *provReqOrchestrator) bookCapacity() error {
 				// If there is an error, mark PR as invalid, because we won't be able to book capacity
 				// for it anyway.
 				conditions.AddOrUpdateCondition(provReq, v1beta1.Failed, metav1.ConditionTrue, conditions.FailedToBookCapacityReason, fmt.Sprintf("Couldn't create pods, err: %v", err), metav1.Now())
+				if _, err := o.client.UpdateProvisioningRequest(provReq.ProvisioningRequest); err != nil {
+					klog.Errorf("failed to add Accepted condition to ProvReq %s/%s, err: %v", provReq.Namespace, provReq.Name, err)
+				}
 				continue
 			}
 			podsToCreate = append(podsToCreate, pods...)

cluster-autoscaler/provisioningrequest/provreqclient/client.go

@@ -17,11 +17,13 @@ limitations under the License.
 package provreqclient
 
 import (
+	"context"
 	"fmt"
 	"time"
 
 	apiv1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/autoscaler/cluster-autoscaler/apis/provisioningrequest/autoscaling.x-k8s.io/v1beta1"
@@ -123,6 +125,24 @@ func (c *ProvisioningRequestClient) FetchPodTemplates(pr *v1beta1.ProvisioningRe
 	return podTemplates, nil
 }
 
+// UpdateProvisioningRequest updates the given ProvisioningRequest CR by propagating the changes using the ProvisioningRequestInterface and returns the updated instance or the original one in case of an error.
+func (c *ProvisioningRequestClient) UpdateProvisioningRequest(pr *v1beta1.ProvisioningRequest) (*v1beta1.ProvisioningRequest, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), provisioningRequestClientCallTimeout)
+	defer cancel()
+
+	// UpdateStatus API call on a copy of the PR with cleared Spec field ensures that
+	// the default null template.metadata.creationTimestamp field of PodTemplateSpec
+	// will not generate false error logs as a side effect.
+	prCopy := pr.DeepCopy()
+	prCopy.Spec = v1beta1.ProvisioningRequestSpec{}
+	updatedPr, err := c.client.AutoscalingV1beta1().ProvisioningRequests(prCopy.Namespace).UpdateStatus(ctx, prCopy, metav1.UpdateOptions{})
+	if err != nil {
+		return pr, err
+	}
+	klog.V(4).Infof("Updated ProvisioningRequest %s/%s,  status: %q,", updatedPr.Namespace, updatedPr.Name, updatedPr.Status)
+	return updatedPr, nil
+}
+
 // newPRClient creates a new Provisioning Request client from the given config.
 func newPRClient(kubeConfig *rest.Config) (*versioned.Clientset, error) {
 	return versioned.NewForConfig(kubeConfig)