17091410426

Committed 20 Aug 2025 07:17AM UTC coverage: 80.011% (-0.06%) from 80.068%

Build # 17091410426

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github

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web-flow

Commit Message

bump go (#551)

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82.31

/controllers/servicebinding_controller.go

/*


Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package controllers

import (
        "context"
        "encoding/json"
        "strings"
        "time"

        commonutils "github.com/SAP/sap-btp-service-operator/api/common/utils"
        "sigs.k8s.io/controller-runtime/pkg/reconcile"

        "github.com/pkg/errors"

        "github.com/SAP/sap-btp-service-operator/api/common"
        "github.com/SAP/sap-btp-service-operator/internal/config"
        "github.com/SAP/sap-btp-service-operator/internal/utils"
        "github.com/go-logr/logr"
        "k8s.io/apimachinery/pkg/runtime"
        "k8s.io/client-go/tools/record"

        "fmt"

        "k8s.io/client-go/util/workqueue"
        "sigs.k8s.io/controller-runtime/pkg/controller"

        v1 "github.com/SAP/sap-btp-service-operator/api/v1"

        "k8s.io/apimachinery/pkg/api/meta"
        "k8s.io/apimachinery/pkg/runtime/schema"

        "github.com/google/uuid"

        "github.com/SAP/sap-btp-service-operator/client/sm"

        smClientTypes "github.com/SAP/sap-btp-service-operator/client/sm/types"

        corev1 "k8s.io/api/core/v1"
        apierrors "k8s.io/apimachinery/pkg/api/errors"
        metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
        "k8s.io/apimachinery/pkg/types"
        ctrl "sigs.k8s.io/controller-runtime"
        "sigs.k8s.io/controller-runtime/pkg/client"
        "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)

const (
        secretNameTakenErrorFormat    = "the specified secret name '%s' is already taken. Choose another name and try again"
        secretAlreadyOwnedErrorFormat = "secret %s belongs to another binding %s, choose a different name"
)

// ServiceBindingReconciler reconciles a ServiceBinding object
type ServiceBindingReconciler struct {
        client.Client
        Log         logr.Logger
        Scheme      *runtime.Scheme
        GetSMClient func(ctx context.Context, instance *v1.ServiceInstance) (sm.Client, error)
        Config      config.Config
        Recorder    record.EventRecorder
}

// +kubebuilder:rbac:groups=services.cloud.sap.com,resources=servicebindings,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=services.cloud.sap.com,resources=servicebindings/status,verbs=get;update;patch
// +kubebuilder:rbac:groups=core,resources=secrets,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=core,resources=events,verbs=get;list;watch;create;update;patch;delete
// +kubebuilder:rbac:groups=coordination.k8s.io,resources=leases,verbs=get;list;create;update

func (r *ServiceBindingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
        log := r.Log.WithValues("servicebinding", req.NamespacedName).WithValues("correlation_id", uuid.New().String(), req.Name, req.Namespace)
        ctx = context.WithValue(ctx, utils.LogKey{}, log)

        serviceBinding := &v1.ServiceBinding{}
        if err := r.Client.Get(ctx, req.NamespacedName, serviceBinding); err != nil {
                if !apierrors.IsNotFound(err) {
                        log.Error(err, "unable to fetch ServiceBinding")
                }
                return ctrl.Result{}, client.IgnoreNotFound(err)
        }
        serviceBinding = serviceBinding.DeepCopy()
        log.Info(fmt.Sprintf("Current generation is %v and observed is %v", serviceBinding.Generation, common.GetObservedGeneration(serviceBinding)))

        if len(serviceBinding.GetConditions()) == 0 {
                if err := utils.InitConditions(ctx, r.Client, serviceBinding); err != nil {
                        return ctrl.Result{}, err
                }
        }

        serviceInstance, instanceErr := r.getServiceInstanceForBinding(ctx, serviceBinding)
        if instanceErr != nil {
                if !apierrors.IsNotFound(instanceErr) {
                        log.Error(instanceErr, "failed to get service instance for binding")
                        return ctrl.Result{}, instanceErr
                } else if !utils.IsMarkedForDeletion(serviceBinding.ObjectMeta) {
                        //instance is not found and binding is not marked for deletion
                        instanceNamespace := serviceBinding.Namespace
                        if len(serviceBinding.Spec.ServiceInstanceNamespace) > 0 {
                                instanceNamespace = serviceBinding.Spec.ServiceInstanceNamespace
                        }
                        errMsg := fmt.Sprintf("couldn't find the service instance '%s' in namespace '%s'", serviceBinding.Spec.ServiceInstanceName, instanceNamespace)
                        utils.SetBlockedCondition(ctx, errMsg, serviceBinding)
                        if updateErr := utils.UpdateStatus(ctx, r.Client, serviceBinding); updateErr != nil {
                                return ctrl.Result{}, updateErr
                        }
                        return ctrl.Result{}, instanceErr
                }
        }

        if utils.IsMarkedForDeletion(serviceBinding.ObjectMeta) {
                return r.delete(ctx, serviceBinding, serviceInstance)
        }

        if controllerutil.AddFinalizer(serviceBinding, common.FinalizerName) {
                log.Info(fmt.Sprintf("added finalizer '%s' to service binding", common.FinalizerName))
                if err := r.Client.Update(ctx, serviceBinding); err != nil {
                        return ctrl.Result{}, err
                }
        }

        if len(serviceBinding.Status.OperationURL) > 0 {
                // ongoing operation - poll status from SM
                return r.poll(ctx, serviceBinding, serviceInstance)
        }

        if utils.IsMarkedForDeletion(serviceInstance.ObjectMeta) {
                log.Info(fmt.Sprintf("service instance name: %s namespace: %s is marked for deletion, unable to create binding", serviceInstance.Name, serviceInstance.Namespace))
                utils.SetBlockedCondition(ctx, "instance is in deletion process", serviceBinding)
                return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
        }

        if !serviceInstanceReady(serviceInstance) {
                log.Info(fmt.Sprintf("service instance name: %s namespace: %s is not ready, unable to create binding", serviceInstance.Name, serviceInstance.Namespace))
                utils.SetBlockedCondition(ctx, "service instance is not ready", serviceBinding)
                return ctrl.Result{Requeue: true}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
        }

        // should rotate creds
        if meta.IsStatusConditionTrue(serviceBinding.Status.Conditions, common.ConditionCredRotationInProgress) {
                log.Info("rotating credentials")
                if shouldUpdateStatus, err := r.rotateCredentials(ctx, serviceBinding, serviceInstance); err != nil {
                        if !shouldUpdateStatus {
                                log.Error(err, "internal error occurred during cred rotation, requeuing binding")
                                return ctrl.Result{}, err
                        }
                        return utils.HandleCredRotationError(ctx, r.Client, serviceBinding, err)
                }
        }

        // is binding ready
        if meta.IsStatusConditionTrue(serviceBinding.Status.Conditions, common.ConditionReady) {
                if isStaleServiceBinding(serviceBinding) {
                        log.Info("binding is stale, handling")
                        return r.handleStaleServiceBinding(ctx, serviceBinding)
                }

                if initCredRotationIfRequired(serviceBinding) {
                        log.Info("cred rotation required, updating status")
                        return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
                }

                log.Info("binding in final state, maintaining secret")
                return r.maintain(ctx, serviceBinding, serviceInstance)
        }

        //set owner instance only for original bindings (not rotated)
        if serviceBinding.Labels == nil || len(serviceBinding.Labels[common.StaleBindingIDLabel]) == 0 {
                if !bindingAlreadyOwnedByInstance(serviceInstance, serviceBinding) &&
                        serviceInstance.Namespace == serviceBinding.Namespace { //cross namespace reference not allowed
                        if err := r.setOwner(ctx, serviceInstance, serviceBinding); err != nil {
                                log.Error(err, "failed to set owner reference for binding")
                                return ctrl.Result{}, err
                        }
                }
        }

        if serviceBinding.Status.BindingID == "" {
                if err := r.validateSecretNameIsAvailable(ctx, serviceBinding); err != nil {
                        log.Error(err, "secret validation failed")
                        utils.SetBlockedCondition(ctx, err.Error(), serviceBinding)
                        return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
                }

                smClient, err := r.GetSMClient(ctx, serviceInstance)
                if err != nil {
                        return utils.MarkAsTransientError(ctx, r.Client, common.Unknown, err, serviceBinding)
                }

                smBinding, err := r.getBindingForRecovery(ctx, smClient, serviceBinding)
                if err != nil {
                        log.Error(err, "failed to check binding recovery")
                        return utils.MarkAsTransientError(ctx, r.Client, smClientTypes.CREATE, err, serviceBinding)
                }
                if smBinding != nil {
                        return r.recover(ctx, serviceBinding, smBinding)
                }

                return r.createBinding(ctx, smClient, serviceInstance, serviceBinding)
        }

        log.Error(fmt.Errorf("update binding is not allowed, this line should not be reached"), "")
        return ctrl.Result{}, nil
}

func (r *ServiceBindingReconciler) SetupWithManager(mgr ctrl.Manager) error {

        return ctrl.NewControllerManagedBy(mgr).
                For(&v1.ServiceBinding{}).
                WithOptions(controller.Options{RateLimiter: workqueue.NewTypedItemExponentialFailureRateLimiter[reconcile.Request](r.Config.RetryBaseDelay, r.Config.RetryMaxDelay)}).
                Complete(r)
}

func (r *ServiceBindingReconciler) createBinding(ctx context.Context, smClient sm.Client, serviceInstance *v1.ServiceInstance, serviceBinding *v1.ServiceBinding) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        log.Info("Creating smBinding in SM")
        serviceBinding.Status.InstanceID = serviceInstance.Status.InstanceID
        bindingParameters, _, err := utils.BuildSMRequestParameters(serviceBinding.Namespace, serviceBinding.Spec.Parameters, serviceBinding.Spec.ParametersFrom)
        if err != nil {
                log.Error(err, "failed to parse smBinding parameters")
                return utils.MarkAsNonTransientError(ctx, r.Client, smClientTypes.CREATE, err, serviceBinding)
        }

        smBinding, operationURL, bindErr := smClient.Bind(&smClientTypes.ServiceBinding{
                Name: serviceBinding.Spec.ExternalName,
                Labels: smClientTypes.Labels{
                        common.NamespaceLabel: []string{serviceBinding.Namespace},
                        common.K8sNameLabel:   []string{serviceBinding.Name},
                        common.ClusterIDLabel: []string{r.Config.ClusterID},
                },
                ServiceInstanceID: serviceInstance.Status.InstanceID,
                Parameters:        bindingParameters,
        }, nil, utils.BuildUserInfo(ctx, serviceBinding.Spec.UserInfo))

        if bindErr != nil {
                log.Error(err, "failed to create service binding", "serviceInstanceID", serviceInstance.Status.InstanceID)
                return utils.HandleError(ctx, r.Client, smClientTypes.CREATE, bindErr, serviceBinding)
        }

        if operationURL != "" {
                var bindingID string
                if bindingID = sm.ExtractBindingID(operationURL); len(bindingID) == 0 {
                        return utils.MarkAsNonTransientError(ctx, r.Client, smClientTypes.CREATE, fmt.Errorf("failed to extract smBinding ID from operation URL %s", operationURL), serviceBinding)
                }
                serviceBinding.Status.BindingID = bindingID

                log.Info("Create smBinding request is async")
                serviceBinding.Status.OperationURL = operationURL
                serviceBinding.Status.OperationType = smClientTypes.CREATE
                utils.SetInProgressConditions(ctx, smClientTypes.CREATE, "", serviceBinding, false)
                if err := utils.UpdateStatus(ctx, r.Client, serviceBinding); err != nil {
                        log.Error(err, "unable to update ServiceBinding status")
                        return ctrl.Result{}, err
                }
                return ctrl.Result{Requeue: true, RequeueAfter: r.Config.PollInterval}, nil
        }

        log.Info("Binding created successfully")

        if err := r.storeBindingSecret(ctx, serviceBinding, smBinding); err != nil {
                return r.handleSecretError(ctx, smClientTypes.CREATE, err, serviceBinding)
        }

        subaccountID := ""
        if len(smBinding.Labels["subaccount_id"]) > 0 {
                subaccountID = smBinding.Labels["subaccount_id"][0]
        }

        serviceBinding.Status.BindingID = smBinding.ID
        serviceBinding.Status.SubaccountID = subaccountID
        serviceBinding.Status.Ready = metav1.ConditionTrue
        utils.SetSuccessConditions(smClientTypes.CREATE, serviceBinding, false)
        log.Info("Updating binding", "bindingID", smBinding.ID)

        return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
}

func (r *ServiceBindingReconciler) delete(ctx context.Context, serviceBinding *v1.ServiceBinding, serviceInstance *v1.ServiceInstance) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        if controllerutil.ContainsFinalizer(serviceBinding, common.FinalizerName) {
                smClient, err := r.GetSMClient(ctx, serviceInstance)
                if err != nil {
                        return utils.MarkAsTransientError(ctx, r.Client, common.Unknown, err, serviceBinding)
                }

                if len(serviceBinding.Status.BindingID) == 0 {
                        log.Info("No binding id found validating binding does not exists in SM before removing finalizer")
                        smBinding, err := r.getBindingForRecovery(ctx, smClient, serviceBinding)
                        if err != nil {
                                return ctrl.Result{}, err
                        }
                        if smBinding != nil {
                                log.Info("binding exists in SM continue with deletion")
                                serviceBinding.Status.BindingID = smBinding.ID
                                utils.SetInProgressConditions(ctx, smClientTypes.DELETE, "delete after recovery", serviceBinding, false)
                                return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
                        }

                        // make sure there's no secret stored for the binding
                        if err := r.deleteBindingSecret(ctx, serviceBinding); err != nil {
                                return ctrl.Result{}, err
                        }

                        log.Info("Binding does not exists in SM, removing finalizer")
                        if err := utils.RemoveFinalizer(ctx, r.Client, serviceBinding, common.FinalizerName); err != nil {
                                return ctrl.Result{}, err
                        }
                        return ctrl.Result{}, nil
                }

                if len(serviceBinding.Status.OperationURL) > 0 && serviceBinding.Status.OperationType == smClientTypes.DELETE {
                        // ongoing delete operation - poll status from SM
                        return r.poll(ctx, serviceBinding, serviceInstance)
                }

                log.Info(fmt.Sprintf("Deleting binding with id %v from SM", serviceBinding.Status.BindingID))
                operationURL, unbindErr := smClient.Unbind(serviceBinding.Status.BindingID, nil, utils.BuildUserInfo(ctx, serviceBinding.Spec.UserInfo))
                if unbindErr != nil {
                        return utils.HandleDeleteError(ctx, r.Client, unbindErr, serviceBinding)
                }

                if operationURL != "" {
                        log.Info("Deleting binding async")
                        serviceBinding.Status.OperationURL = operationURL
                        serviceBinding.Status.OperationType = smClientTypes.DELETE
                        utils.SetInProgressConditions(ctx, smClientTypes.DELETE, "", serviceBinding, false)
                        if err := utils.UpdateStatus(ctx, r.Client, serviceBinding); err != nil {
                                return ctrl.Result{}, err
                        }
                        return ctrl.Result{Requeue: true, RequeueAfter: r.Config.PollInterval}, nil
                }

                log.Info("Binding was deleted successfully")
                return r.deleteSecretAndRemoveFinalizer(ctx, serviceBinding)
        }
        return ctrl.Result{}, nil
}

func (r *ServiceBindingReconciler) poll(ctx context.Context, serviceBinding *v1.ServiceBinding, serviceInstance *v1.ServiceInstance) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        log.Info(fmt.Sprintf("resource is in progress, found operation url %s", serviceBinding.Status.OperationURL))

        smClient, err := r.GetSMClient(ctx, serviceInstance)
        if err != nil {
                return utils.MarkAsTransientError(ctx, r.Client, common.Unknown, err, serviceBinding)
        }

        status, statusErr := smClient.Status(serviceBinding.Status.OperationURL, nil)
        if statusErr != nil {
                log.Info(fmt.Sprintf("failed to fetch operation, got error from SM: %s", statusErr.Error()), "operationURL", serviceBinding.Status.OperationURL)
                utils.SetInProgressConditions(ctx, serviceBinding.Status.OperationType, string(smClientTypes.INPROGRESS), serviceBinding, false)
                freshStatus := v1.ServiceBindingStatus{
                        Conditions: serviceBinding.GetConditions(),
                }
                if utils.IsMarkedForDeletion(serviceBinding.ObjectMeta) {
                        freshStatus.BindingID = serviceBinding.Status.BindingID
                }
                serviceBinding.Status = freshStatus
                if err := utils.UpdateStatus(ctx, r.Client, serviceBinding); err != nil {
                        log.Error(err, "failed to update status during polling")
                }
                return ctrl.Result{}, statusErr
        }

        if status == nil {
                return utils.MarkAsTransientError(ctx, r.Client, serviceBinding.Status.OperationType, fmt.Errorf("failed to get last operation status of %s", serviceBinding.Name), serviceBinding)
        }
        switch status.State {
        case smClientTypes.INPROGRESS:
                fallthrough
        case smClientTypes.PENDING:
                if len(status.Description) != 0 {
                        utils.SetInProgressConditions(ctx, status.Type, status.Description, serviceBinding, true)
                        if err := utils.UpdateStatus(ctx, r.Client, serviceBinding); err != nil {
                                log.Error(err, "unable to update ServiceBinding polling description")
                                return ctrl.Result{}, err
                        }
                }
                return ctrl.Result{Requeue: true, RequeueAfter: r.Config.PollInterval}, nil
        case smClientTypes.FAILED:
                // non transient error - should not retry
                utils.SetFailureConditions(status.Type, status.Description, serviceBinding, true)
                if serviceBinding.Status.OperationType == smClientTypes.DELETE {
                        serviceBinding.Status.OperationURL = ""
                        serviceBinding.Status.OperationType = ""
                        if err := utils.UpdateStatus(ctx, r.Client, serviceBinding); err != nil {
                                log.Error(err, "unable to update ServiceBinding status")
                                return ctrl.Result{}, err
                        }
                        errMsg := "Async unbind operation failed"
                        if status.Errors != nil {
                                errMsg = fmt.Sprintf("Async unbind operation failed, errors: %s", string(status.Errors))
                        }
                        return ctrl.Result{}, errors.New(errMsg)
                }
        case smClientTypes.SUCCEEDED:
                utils.SetSuccessConditions(status.Type, serviceBinding, true)
                switch serviceBinding.Status.OperationType {
                case smClientTypes.CREATE:
                        smBinding, err := smClient.GetBindingByID(serviceBinding.Status.BindingID, nil)
                        if err != nil || smBinding == nil {
                                log.Error(err, fmt.Sprintf("binding %s succeeded but could not fetch it from SM", serviceBinding.Status.BindingID))
                                return ctrl.Result{}, err
                        }
                        if len(smBinding.Labels["subaccount_id"]) > 0 {
                                serviceBinding.Status.SubaccountID = smBinding.Labels["subaccount_id"][0]
                        }

                        if err := r.storeBindingSecret(ctx, serviceBinding, smBinding); err != nil {
                                return r.handleSecretError(ctx, smClientTypes.CREATE, err, serviceBinding)
                        }
                        utils.SetSuccessConditions(status.Type, serviceBinding, false)
                case smClientTypes.DELETE:
                        return r.deleteSecretAndRemoveFinalizer(ctx, serviceBinding)
                }
        }

        log.Info(fmt.Sprintf("finished polling operation %s '%s'", serviceBinding.Status.OperationType, serviceBinding.Status.OperationURL))
        serviceBinding.Status.OperationURL = ""
        serviceBinding.Status.OperationType = ""

        return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
}

func (r *ServiceBindingReconciler) getBindingForRecovery(ctx context.Context, smClient sm.Client, serviceBinding *v1.ServiceBinding) (*smClientTypes.ServiceBinding, error) {
        log := utils.GetLogger(ctx)
        nameQuery := fmt.Sprintf("name eq '%s'", serviceBinding.Spec.ExternalName)
        clusterIDQuery := fmt.Sprintf("context/clusterid eq '%s'", r.Config.ClusterID)
        namespaceQuery := fmt.Sprintf("context/namespace eq '%s'", serviceBinding.Namespace)
        k8sNameQuery := fmt.Sprintf("%s eq '%s'", common.K8sNameLabel, serviceBinding.Name)
        parameters := sm.Parameters{
                FieldQuery:    []string{nameQuery, clusterIDQuery, namespaceQuery},
                LabelQuery:    []string{k8sNameQuery},
                GeneralParams: []string{"attach_last_operations=true"},
        }
        log.Info(fmt.Sprintf("binding recovery query params: %s, %s, %s, %s", nameQuery, clusterIDQuery, namespaceQuery, k8sNameQuery))

        bindings, err := smClient.ListBindings(&parameters)
        if err != nil {
                log.Error(err, "failed to list bindings in SM")
                return nil, err
        }
        if bindings != nil {
                log.Info(fmt.Sprintf("found %d bindings", len(bindings.ServiceBindings)))
                if len(bindings.ServiceBindings) == 1 {
                        return &bindings.ServiceBindings[0], nil
                }
        }
        return nil, nil
}

func (r *ServiceBindingReconciler) maintain(ctx context.Context, binding *v1.ServiceBinding, instance *v1.ServiceInstance) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        if err := r.maintainSecret(ctx, binding, instance); err != nil {
                log.Error(err, "failed to maintain secret")
                return r.handleSecretError(ctx, smClientTypes.UPDATE, err, binding)
        }

        log.Info("maintain finished successfully")
        return ctrl.Result{}, nil
}

func (r *ServiceBindingReconciler) maintainSecret(ctx context.Context, serviceBinding *v1.ServiceBinding, serviceInstance *v1.ServiceInstance) error {
        log := utils.GetLogger(ctx)
        if common.GetObservedGeneration(serviceBinding) == serviceBinding.Generation {
                log.Info("observed generation is up to date, checking if secret exists")
                if _, err := r.getSecret(ctx, serviceBinding.Namespace, serviceBinding.Spec.SecretName); err == nil {
                        log.Info("secret exists, no need to maintain secret")
                        return nil
                }

                log.Info("binding's secret was not found")
                r.Recorder.Event(serviceBinding, corev1.EventTypeWarning, "SecretDeleted", "SecretDeleted")
        }

        log.Info("maintaining binding's secret")
        smClient, err := r.GetSMClient(ctx, serviceInstance)
        if err != nil {
                return err
        }
        smBinding, err := smClient.GetBindingByID(serviceBinding.Status.BindingID, nil)
        if err != nil {
                log.Error(err, "failed to get binding for update secret")
                return err
        }
        if smBinding != nil {
                if smBinding.Credentials != nil {
                        if err = r.storeBindingSecret(ctx, serviceBinding, smBinding); err != nil {
                                return err
                        }
                        log.Info("Updating binding", "bindingID", smBinding.ID)
                        utils.SetSuccessConditions(smClientTypes.UPDATE, serviceBinding, false)
                }
        }

        return utils.UpdateStatus(ctx, r.Client, serviceBinding)
}

func (r *ServiceBindingReconciler) getServiceInstanceForBinding(ctx context.Context, binding *v1.ServiceBinding) (*v1.ServiceInstance, error) {
        log := utils.GetLogger(ctx)
        serviceInstance := &v1.ServiceInstance{}
        namespace := binding.Namespace
        if len(binding.Spec.ServiceInstanceNamespace) > 0 {
                namespace = binding.Spec.ServiceInstanceNamespace
        }
        log.Info(fmt.Sprintf("getting service instance named %s in namespace %s for binding %s in namespace %s", binding.Spec.ServiceInstanceName, namespace, binding.Name, binding.Namespace))
        if err := r.Client.Get(ctx, types.NamespacedName{Name: binding.Spec.ServiceInstanceName, Namespace: namespace}, serviceInstance); err != nil {
                return serviceInstance, err
        }

        return serviceInstance.DeepCopy(), nil
}

func (r *ServiceBindingReconciler) setOwner(ctx context.Context, serviceInstance *v1.ServiceInstance, serviceBinding *v1.ServiceBinding) error {
        log := utils.GetLogger(ctx)
        log.Info("Binding instance as owner of binding", "bindingName", serviceBinding.Name, "instanceName", serviceInstance.Name)
        if err := controllerutil.SetControllerReference(serviceInstance, serviceBinding, r.Scheme); err != nil {
                log.Error(err, fmt.Sprintf("Could not update the smBinding %s owner instance reference", serviceBinding.Name))
                return err
        }
        if err := r.Client.Update(ctx, serviceBinding); err != nil {
                log.Error(err, "Failed to set controller reference", "bindingName", serviceBinding.Name)
                return err
        }
        return nil
}

func (r *ServiceBindingReconciler) resyncBindingStatus(ctx context.Context, k8sBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) {
        k8sBinding.Status.BindingID = smBinding.ID
        k8sBinding.Status.InstanceID = smBinding.ServiceInstanceID
        k8sBinding.Status.OperationURL = ""
        k8sBinding.Status.OperationType = ""

        bindingStatus := smClientTypes.SUCCEEDED
        operationType := smClientTypes.CREATE
        description := ""
        if smBinding.LastOperation != nil {
                bindingStatus = smBinding.LastOperation.State
                operationType = smBinding.LastOperation.Type
                description = smBinding.LastOperation.Description
        } else if !smBinding.Ready {
                bindingStatus = smClientTypes.FAILED
        }
        switch bindingStatus {
        case smClientTypes.PENDING:
                fallthrough
        case smClientTypes.INPROGRESS:
                k8sBinding.Status.OperationURL = sm.BuildOperationURL(smBinding.LastOperation.ID, smBinding.ID, smClientTypes.ServiceBindingsURL)
                k8sBinding.Status.OperationType = smBinding.LastOperation.Type
                utils.SetInProgressConditions(ctx, smBinding.LastOperation.Type, smBinding.LastOperation.Description, k8sBinding, false)
        case smClientTypes.SUCCEEDED:
                utils.SetSuccessConditions(operationType, k8sBinding, false)
        case smClientTypes.FAILED:
                utils.SetFailureConditions(operationType, description, k8sBinding, false)
        }
}

func (r *ServiceBindingReconciler) storeBindingSecret(ctx context.Context, k8sBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) error {
        log := utils.GetLogger(ctx)
        logger := log.WithValues("bindingName", k8sBinding.Name, "secretName", k8sBinding.Spec.SecretName)

        var secret *corev1.Secret
        var err error

        if k8sBinding.Spec.SecretTemplate != "" {
                secret, err = r.createBindingSecretFromSecretTemplate(ctx, k8sBinding, smBinding)
        } else {
                secret, err = r.createBindingSecret(ctx, k8sBinding, smBinding)
        }

        if err != nil {
                return err
        }
        if err = controllerutil.SetControllerReference(k8sBinding, secret, r.Scheme); err != nil {
                logger.Error(err, "Failed to set secret owner")
                return err
        }

        if secret.Labels == nil {
                secret.Labels = map[string]string{}
        }
        secret.Labels[common.ManagedByBTPOperatorLabel] = "true"

        if secret.Annotations == nil {
                secret.Annotations = map[string]string{}
        }
        secret.Annotations["binding"] = k8sBinding.Name

        return r.createOrUpdateBindingSecret(ctx, k8sBinding, secret)
}

func (r *ServiceBindingReconciler) createBindingSecret(ctx context.Context, k8sBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) (*corev1.Secret, error) {
        credentialsMap, err := r.getSecretDefaultData(ctx, k8sBinding, smBinding)
        if err != nil {
                return nil, err
        }

        secret := &corev1.Secret{
                ObjectMeta: metav1.ObjectMeta{
                        Name:        k8sBinding.Spec.SecretName,
                        Annotations: map[string]string{"binding": k8sBinding.Name},
                        Labels:      map[string]string{common.ManagedByBTPOperatorLabel: "true"},
                        Namespace:   k8sBinding.Namespace,
                },
                Data: credentialsMap,
        }
        return secret, nil
}

func (r *ServiceBindingReconciler) getSecretDefaultData(ctx context.Context, k8sBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) (map[string][]byte, error) {
        log := utils.GetLogger(ctx).WithValues("bindingName", k8sBinding.Name, "secretName", k8sBinding.Spec.SecretName)

        var credentialsMap map[string][]byte
        var credentialProperties []utils.SecretMetadataProperty

        if len(smBinding.Credentials) == 0 {
                log.Info("Binding credentials are empty")
                credentialsMap = make(map[string][]byte)
        } else if k8sBinding.Spec.SecretKey != nil {
                credentialsMap = map[string][]byte{
                        *k8sBinding.Spec.SecretKey: smBinding.Credentials,
                }
                credentialProperties = []utils.SecretMetadataProperty{
                        {
                                Name:      *k8sBinding.Spec.SecretKey,
                                Format:    string(utils.JSON),
                                Container: true,
                        },
                }
        } else {
                var err error
                credentialsMap, credentialProperties, err = utils.NormalizeCredentials(smBinding.Credentials)
                if err != nil {
                        log.Error(err, "Failed to store binding secret")
                        return nil, fmt.Errorf("failed to create secret. Error: %v", err.Error())
                }
        }

        metaDataProperties, err := r.addInstanceInfo(ctx, k8sBinding, credentialsMap)
        if err != nil {
                log.Error(err, "failed to enrich binding with service instance info")
        }

        if k8sBinding.Spec.SecretRootKey != nil {
                var err error
                credentialsMap, err = singleKeyMap(credentialsMap, *k8sBinding.Spec.SecretRootKey)
                if err != nil {
                        return nil, err
                }
        } else {
                metadata := map[string][]utils.SecretMetadataProperty{
                        "metaDataProperties":   metaDataProperties,
                        "credentialProperties": credentialProperties,
                }
                metadataByte, err := json.Marshal(metadata)
                if err != nil {
                        log.Error(err, "failed to enrich binding with metadata")
                } else {
                        credentialsMap[".metadata"] = metadataByte
                }
        }
        return credentialsMap, nil
}

func (r *ServiceBindingReconciler) createBindingSecretFromSecretTemplate(ctx context.Context, k8sBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) (*corev1.Secret, error) {
        log := utils.GetLogger(ctx)
        logger := log.WithValues("bindingName", k8sBinding.Name, "secretName", k8sBinding.Spec.SecretName)

        logger.Info("Create Object using SecretTemplate from ServiceBinding Specs")
        inputSmCredentials := smBinding.Credentials
        smBindingCredentials := make(map[string]interface{})
        if inputSmCredentials != nil {
                err := json.Unmarshal(inputSmCredentials, &smBindingCredentials)
                if err != nil {
                        logger.Error(err, "failed to unmarshal given service binding credentials")
                        return nil, errors.Wrap(err, "failed to unmarshal given service binding credentials")
                }
        }

        instanceInfos, err := r.getInstanceInfo(ctx, k8sBinding)
        if err != nil {
                logger.Error(err, "failed to addInstanceInfo")
                return nil, errors.Wrap(err, "failed to add service instance info")
        }

        parameters := commonutils.GetSecretDataForTemplate(smBindingCredentials, instanceInfos)
        templateName := fmt.Sprintf("%s/%s", k8sBinding.Namespace, k8sBinding.Name)
        secret, err := commonutils.CreateSecretFromTemplate(templateName, k8sBinding.Spec.SecretTemplate, "missingkey=error", parameters)
        if err != nil {
                logger.Error(err, "failed to create secret from template")
                return nil, errors.Wrap(err, "failed to create secret from template")
        }
        secret.SetNamespace(k8sBinding.Namespace)
        secret.SetName(k8sBinding.Spec.SecretName)
        if secret.Labels == nil {
                secret.Labels = map[string]string{}
        }
        secret.Labels[common.ManagedByBTPOperatorLabel] = "true"

        // if no data provided use the default data
        if len(secret.Data) == 0 && len(secret.StringData) == 0 {
                credentialsMap, err := r.getSecretDefaultData(ctx, k8sBinding, smBinding)
                if err != nil {
                        return nil, err
                }
                secret.Data = credentialsMap
        }
        return secret, nil
}

func (r *ServiceBindingReconciler) createOrUpdateBindingSecret(ctx context.Context, binding *v1.ServiceBinding, secret *corev1.Secret) error {
        log := utils.GetLogger(ctx)
        dbSecret := &corev1.Secret{}
        create := false
        if err := r.Client.Get(ctx, types.NamespacedName{Name: binding.Spec.SecretName, Namespace: binding.Namespace}, dbSecret); err != nil {
                if !apierrors.IsNotFound(err) {
                        return err
                }
                create = true
        }

        if create {
                log.Info("Creating binding secret", "name", secret.Name)
                if err := r.Client.Create(ctx, secret); err != nil {
                        if !apierrors.IsAlreadyExists(err) {
                                return err
                        }
                        return nil
                }
                r.Recorder.Event(binding, corev1.EventTypeNormal, "SecretCreated", "SecretCreated")
                return nil
        }

        log.Info("Updating existing binding secret", "name", secret.Name)
        dbSecret.Data = secret.Data
        dbSecret.StringData = secret.StringData
        dbSecret.Labels = secret.Labels
        dbSecret.Annotations = secret.Annotations
        return r.Client.Update(ctx, dbSecret)
}

func (r *ServiceBindingReconciler) deleteBindingSecret(ctx context.Context, binding *v1.ServiceBinding) error {
        log := utils.GetLogger(ctx)
        log.Info("Deleting binding secret")
        bindingSecret := &corev1.Secret{}
        if err := r.Client.Get(ctx, types.NamespacedName{
                Namespace: binding.Namespace,
                Name:      binding.Spec.SecretName,
        }, bindingSecret); err != nil {
                if !apierrors.IsNotFound(err) {
                        log.Error(err, "unable to fetch binding secret")
                        return err
                }

                // secret not found, nothing more to do
                log.Info("secret was deleted successfully")
                return nil
        }
        bindingSecret = bindingSecret.DeepCopy()

        if err := r.Client.Delete(ctx, bindingSecret); err != nil {
                log.Error(err, "Failed to delete binding secret")
                return err
        }

        log.Info("secret was deleted successfully")
        return nil
}

func (r *ServiceBindingReconciler) deleteSecretAndRemoveFinalizer(ctx context.Context, serviceBinding *v1.ServiceBinding) (ctrl.Result, error) {
        // delete binding secret if exist
        if err := r.deleteBindingSecret(ctx, serviceBinding); err != nil {
                return ctrl.Result{}, err
        }

        return ctrl.Result{}, utils.RemoveFinalizer(ctx, r.Client, serviceBinding, common.FinalizerName)
}

func (r *ServiceBindingReconciler) getSecret(ctx context.Context, namespace string, name string) (*corev1.Secret, error) {
        secret := &corev1.Secret{}
        err := utils.GetSecretWithFallback(ctx, types.NamespacedName{Namespace: namespace, Name: name}, secret)
        return secret, err
}

func (r *ServiceBindingReconciler) validateSecretNameIsAvailable(ctx context.Context, binding *v1.ServiceBinding) error {
        currentSecret, err := r.getSecret(ctx, binding.Namespace, binding.Spec.SecretName)
        if err != nil {
                return client.IgnoreNotFound(err)
        }

        if metav1.IsControlledBy(currentSecret, binding) {
                return nil
        }

        ownerRef := metav1.GetControllerOf(currentSecret)
        if ownerRef != nil {
                owner, err := schema.ParseGroupVersion(ownerRef.APIVersion)
                if err != nil {
                        return err
                }

                if owner.Group == binding.GroupVersionKind().Group && ownerRef.Kind == binding.Kind {
                        return fmt.Errorf(secretAlreadyOwnedErrorFormat, binding.Spec.SecretName, ownerRef.Name)
                }
        }

        return fmt.Errorf(secretNameTakenErrorFormat, binding.Spec.SecretName)
}

func (r *ServiceBindingReconciler) handleSecretError(ctx context.Context, op smClientTypes.OperationCategory, err error, binding *v1.ServiceBinding) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        log.Error(err, fmt.Sprintf("failed to store secret %s for binding %s", binding.Spec.SecretName, binding.Name))
        if apierrors.ReasonForError(err) == metav1.StatusReasonUnknown {
                return utils.MarkAsNonTransientError(ctx, r.Client, op, err, binding)
        }
        return utils.MarkAsTransientError(ctx, r.Client, op, err, binding)
}

func (r *ServiceBindingReconciler) getInstanceInfo(ctx context.Context, binding *v1.ServiceBinding) (map[string]string, error) {
        instance, err := r.getServiceInstanceForBinding(ctx, binding)
        if err != nil {
                return nil, err
        }
        instanceInfos := make(map[string]string)
        instanceInfos["instance_name"] = string(getInstanceNameForSecretCredentials(instance))
        instanceInfos["instance_guid"] = instance.Status.InstanceID
        instanceInfos["plan"] = instance.Spec.ServicePlanName
        instanceInfos["label"] = instance.Spec.ServiceOfferingName
        instanceInfos["type"] = instance.Spec.ServiceOfferingName
        if len(instance.Status.Tags) > 0 || len(instance.Spec.CustomTags) > 0 {
                tags := mergeInstanceTags(instance.Status.Tags, instance.Spec.CustomTags)
                instanceInfos["tags"] = strings.Join(tags, ",")
        }
        return instanceInfos, nil
}

func (r *ServiceBindingReconciler) addInstanceInfo(ctx context.Context, binding *v1.ServiceBinding, credentialsMap map[string][]byte) ([]utils.SecretMetadataProperty, error) {
        instance, err := r.getServiceInstanceForBinding(ctx, binding)
        if err != nil {
                return nil, err
        }

        credentialsMap["instance_name"] = getInstanceNameForSecretCredentials(instance)
        credentialsMap["instance_guid"] = []byte(instance.Status.InstanceID)
        credentialsMap["plan"] = []byte(instance.Spec.ServicePlanName)
        credentialsMap["label"] = []byte(instance.Spec.ServiceOfferingName)
        credentialsMap["type"] = []byte(instance.Spec.ServiceOfferingName)
        if len(instance.Status.Tags) > 0 || len(instance.Spec.CustomTags) > 0 {
                tagsBytes, err := json.Marshal(mergeInstanceTags(instance.Status.Tags, instance.Spec.CustomTags))
                if err != nil {
                        return nil, err
                }
                credentialsMap["tags"] = tagsBytes
        }

        metadata := []utils.SecretMetadataProperty{
                {
                        Name:   "instance_name",
                        Format: string(utils.TEXT),
                },
                {
                        Name:   "instance_guid",
                        Format: string(utils.TEXT),
                },
                {
                        Name:   "plan",
                        Format: string(utils.TEXT),
                },
                {
                        Name:   "label",
                        Format: string(utils.TEXT),
                },
                {
                        Name:   "type",
                        Format: string(utils.TEXT),
                },
        }
        if _, ok := credentialsMap["tags"]; ok {
                metadata = append(metadata, utils.SecretMetadataProperty{Name: "tags", Format: string(utils.JSON)})
        }

        return metadata, nil
}

func (r *ServiceBindingReconciler) rotateCredentials(ctx context.Context, binding *v1.ServiceBinding, serviceInstance *v1.ServiceInstance) (bool, error) {
        log := utils.GetLogger(ctx)
        if err := r.removeForceRotateAnnotationIfNeeded(ctx, binding, log); err != nil {
                log.Info("Credentials rotation - failed to delete force rotate annotation")
                return false, err
        }

        credInProgressCondition := meta.FindStatusCondition(binding.GetConditions(), common.ConditionCredRotationInProgress)
        if credInProgressCondition.Reason == common.CredRotating {
                if len(binding.Status.BindingID) > 0 && binding.Status.Ready == metav1.ConditionTrue {
                        log.Info("Credentials rotation - finished successfully")
                        now := metav1.NewTime(time.Now())
                        binding.Status.LastCredentialsRotationTime = &now
                        return false, r.stopRotation(ctx, binding)
                } else if utils.IsFailed(binding) {
                        log.Info("Credentials rotation - binding failed stopping rotation")
                        return false, r.stopRotation(ctx, binding)
                }
                log.Info("Credentials rotation - waiting to finish")
                return false, nil
        }

        if len(binding.Status.BindingID) == 0 {
                log.Info("Credentials rotation - no binding id found nothing to do")
                return false, r.stopRotation(ctx, binding)
        }

        bindings := &v1.ServiceBindingList{}
        err := r.Client.List(ctx, bindings, client.MatchingLabels{common.StaleBindingIDLabel: binding.Status.BindingID}, client.InNamespace(binding.Namespace))
        if err != nil {
                return false, err
        }

        if len(bindings.Items) == 0 {
                // create the backup binding
                smClient, err := r.GetSMClient(ctx, serviceInstance)
                if err != nil {
                        return false, err
                }

                // rename current binding
                suffix := "-" + utils.RandStringRunes(6)
                log.Info("Credentials rotation - renaming binding to old in SM", "current", binding.Spec.ExternalName)
                if _, errRenaming := smClient.RenameBinding(binding.Status.BindingID, binding.Spec.ExternalName+suffix, binding.Name+suffix); errRenaming != nil {
                        log.Error(errRenaming, "Credentials rotation - failed renaming binding to old in SM", "binding", binding.Spec.ExternalName)
                        return true, errRenaming
                }

                log.Info("Credentials rotation - backing up old binding in K8S", "name", binding.Name+suffix)
                if err := r.createOldBinding(ctx, suffix, binding); err != nil {
                        log.Error(err, "Credentials rotation - failed to back up old binding in K8S")
                        return true, err
                }
        }

        binding.Status.BindingID = ""
        binding.Status.Ready = metav1.ConditionFalse
        utils.SetInProgressConditions(ctx, smClientTypes.CREATE, "rotating binding credentials", binding, false)
        utils.SetCredRotationInProgressConditions(common.CredRotating, "", binding)
        return false, utils.UpdateStatus(ctx, r.Client, binding)
}

func (r *ServiceBindingReconciler) removeForceRotateAnnotationIfNeeded(ctx context.Context, binding *v1.ServiceBinding, log logr.Logger) error {
        if binding.Annotations != nil {
                if _, ok := binding.Annotations[common.ForceRotateAnnotation]; ok {
                        log.Info("Credentials rotation - deleting force rotate annotation")
                        delete(binding.Annotations, common.ForceRotateAnnotation)
                        return r.Client.Update(ctx, binding)
                }
        }
        return nil
}

func (r *ServiceBindingReconciler) stopRotation(ctx context.Context, binding *v1.ServiceBinding) error {
        conditions := binding.GetConditions()
        meta.RemoveStatusCondition(&conditions, common.ConditionCredRotationInProgress)
        binding.Status.Conditions = conditions
        return utils.UpdateStatus(ctx, r.Client, binding)
}

func (r *ServiceBindingReconciler) createOldBinding(ctx context.Context, suffix string, binding *v1.ServiceBinding) error {
        oldBinding := newBindingObject(binding.Name+suffix, binding.Namespace)
        err := controllerutil.SetControllerReference(binding, oldBinding, r.Scheme)
        if err != nil {
                return err
        }
        oldBinding.Labels = map[string]string{
                common.StaleBindingIDLabel:         binding.Status.BindingID,
                common.StaleBindingRotationOfLabel: truncateString(binding.Name, 63),
        }
        oldBinding.Annotations = map[string]string{
                common.StaleBindingOrigBindingNameAnnotation: binding.Name,
        }
        spec := binding.Spec.DeepCopy()
        spec.CredRotationPolicy.Enabled = false
        spec.SecretName = spec.SecretName + suffix
        spec.ExternalName = spec.ExternalName + suffix
        oldBinding.Spec = *spec
        return r.Client.Create(ctx, oldBinding)
}

func (r *ServiceBindingReconciler) handleStaleServiceBinding(ctx context.Context, serviceBinding *v1.ServiceBinding) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        originalBindingName, ok := serviceBinding.Annotations[common.StaleBindingOrigBindingNameAnnotation]
        if !ok {
                //if the user removed the "OrigBindingName" annotation and rotationOf label not exist as well
                //the stale binding should be deleted otherwise it will remain forever
                if originalBindingName, ok = serviceBinding.Labels[common.StaleBindingRotationOfLabel]; !ok {
                        log.Info("missing rotationOf label/annotation, unable to fetch original binding, deleting stale")
                        return ctrl.Result{}, r.Client.Delete(ctx, serviceBinding)
                }
        }
        origBinding := &v1.ServiceBinding{}
        if err := r.Client.Get(ctx, types.NamespacedName{Namespace: serviceBinding.Namespace, Name: originalBindingName}, origBinding); err != nil {
                if apierrors.IsNotFound(err) {
                        log.Info("original binding not found, deleting stale binding")
                        return ctrl.Result{}, r.Client.Delete(ctx, serviceBinding)
                }
                return ctrl.Result{}, err
        }
        if meta.IsStatusConditionTrue(origBinding.Status.Conditions, common.ConditionReady) {
                return ctrl.Result{}, r.Client.Delete(ctx, serviceBinding)
        }

        log.Info("not deleting stale binding since original binding is not ready")
        if !meta.IsStatusConditionPresentAndEqual(serviceBinding.Status.Conditions, common.ConditionPendingTermination, metav1.ConditionTrue) {
                pendingTerminationCondition := metav1.Condition{
                        Type:               common.ConditionPendingTermination,
                        Status:             metav1.ConditionTrue,
                        Reason:             common.ConditionPendingTermination,
                        Message:            "waiting for new credentials to be ready",
                        ObservedGeneration: serviceBinding.GetGeneration(),
                }
                meta.SetStatusCondition(&serviceBinding.Status.Conditions, pendingTerminationCondition)
                return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
        }
        return ctrl.Result{}, nil
}

func (r *ServiceBindingReconciler) recover(ctx context.Context, serviceBinding *v1.ServiceBinding, smBinding *smClientTypes.ServiceBinding) (ctrl.Result, error) {
        log := utils.GetLogger(ctx)
        log.Info(fmt.Sprintf("found existing smBinding in SM with id %s, updating status", smBinding.ID))

        if smBinding.Credentials != nil {
                if err := r.storeBindingSecret(ctx, serviceBinding, smBinding); err != nil {
                        operationType := smClientTypes.CREATE
                        if smBinding.LastOperation != nil {
                                operationType = smBinding.LastOperation.Type
                        }
                        return r.handleSecretError(ctx, operationType, err, serviceBinding)
                }
        }
        r.resyncBindingStatus(ctx, serviceBinding, smBinding)

        return ctrl.Result{}, utils.UpdateStatus(ctx, r.Client, serviceBinding)
}

func isStaleServiceBinding(binding *v1.ServiceBinding) bool {
        if utils.IsMarkedForDeletion(binding.ObjectMeta) {
                return false
        }

        if binding.Labels != nil {
                if _, ok := binding.Labels[common.StaleBindingIDLabel]; ok {
                        if binding.Spec.CredRotationPolicy != nil {
                                keepFor, _ := time.ParseDuration(binding.Spec.CredRotationPolicy.RotatedBindingTTL)
                                if time.Since(binding.CreationTimestamp.Time) > keepFor {
                                        return true
                                }
                        }
                }
        }
        return false
}

func initCredRotationIfRequired(binding *v1.ServiceBinding) bool {
        if utils.IsFailed(binding) || !credRotationEnabled(binding) {
                return false
        }
        _, forceRotate := binding.Annotations[common.ForceRotateAnnotation]

        lastCredentialRotationTime := binding.Status.LastCredentialsRotationTime
        if lastCredentialRotationTime == nil {
                ts := metav1.NewTime(binding.CreationTimestamp.Time)
                lastCredentialRotationTime = &ts
        }

        rotationInterval, _ := time.ParseDuration(binding.Spec.CredRotationPolicy.RotationFrequency)
        if time.Since(lastCredentialRotationTime.Time) > rotationInterval || forceRotate {
                utils.SetCredRotationInProgressConditions(common.CredPreparing, "", binding)
                return true
        }

        return false
}

func credRotationEnabled(binding *v1.ServiceBinding) bool {
        return binding.Spec.CredRotationPolicy != nil && binding.Spec.CredRotationPolicy.Enabled
}

func mergeInstanceTags(offeringTags, customTags []string) []string {
        var tags []string

        for _, tag := range append(offeringTags, customTags...) {
                if !utils.SliceContains(tags, tag) {
                        tags = append(tags, tag)
                }
        }
        return tags
}

func newBindingObject(name, namespace string) *v1.ServiceBinding {
        return &v1.ServiceBinding{
                TypeMeta: metav1.TypeMeta{
                        APIVersion: v1.GroupVersion.String(),
                        Kind:       "ServiceBinding",
                },
                ObjectMeta: metav1.ObjectMeta{
                        Name:      name,
                        Namespace: namespace,
                },
        }
}

func bindingAlreadyOwnedByInstance(instance *v1.ServiceInstance, binding *v1.ServiceBinding) bool {
        if existing := metav1.GetControllerOf(binding); existing != nil {
                aGV, err := schema.ParseGroupVersion(existing.APIVersion)
                if err != nil {
                        return false
                }

                bGV, err := schema.ParseGroupVersion(instance.APIVersion)
                if err != nil {
                        return false
                }

                return aGV.Group == bGV.Group && existing.Kind == instance.Kind && existing.Name == instance.Name
        }
        return false
}

func serviceInstanceReady(instance *v1.ServiceInstance) bool {
        return instance.Status.Ready == metav1.ConditionTrue
}

func getInstanceNameForSecretCredentials(instance *v1.ServiceInstance) []byte {
        if useMetaName, ok := instance.Annotations[common.UseInstanceMetadataNameInSecret]; ok && useMetaName == "true" {
                return []byte(instance.Name)
        }
        return []byte(instance.Spec.ExternalName)
}

func singleKeyMap(credentialsMap map[string][]byte, key string) (map[string][]byte, error) {
        stringCredentialsMap := make(map[string]string)
        for k, v := range credentialsMap {
                stringCredentialsMap[k] = string(v)
        }

        credBytes, err := json.Marshal(stringCredentialsMap)
        if err != nil {
                return nil, err
        }

        return map[string][]byte{
                key: credBytes,
        }, nil
}

func truncateString(str string, length int) string {
        if len(str) > length {
                return str[:length]
        }
        return str
}

SAP / sap-btp-service-operator / 17091410426

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