23764791425

Committed 30 Mar 2026 07:57PM UTC coverage: 72.056% (-0.09%) from 72.141%

Build # 23764791425

Build Type

Pull #338

github

Committed by

web-flow

Commit Message

Merge 4bff943de into 0fe88d665

Pull Request Pull Request #338: feat: reworked rendertask to be a clusterwide ressource, modified tes…

Coverage Stats

81 of 94 new or added lines in 5 files covered. (86.17%)

20 existing lines in 5 files now uncovered.

2215 of 3074 relevant lines covered (72.06%)

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Source File
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90.89

/pkg/controller/rendertask_controller.go

// Copyright 2026 BWI GmbH and Solution Arsenal contributors
// SPDX-License-Identifier: Apache-2.0

package controller

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

        batchv1 "k8s.io/api/batch/v1"
        corev1 "k8s.io/api/core/v1"
        apierrors "k8s.io/apimachinery/pkg/api/errors"
        apimeta "k8s.io/apimachinery/pkg/api/meta"
        metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
        "k8s.io/apimachinery/pkg/runtime"
        "k8s.io/client-go/tools/events"
        ctrl "sigs.k8s.io/controller-runtime"
        "sigs.k8s.io/controller-runtime/pkg/client"
        "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"

        solarv1alpha1 "go.opendefense.cloud/solar/api/solar/v1alpha1"
)

const (
        renderTaskFinalizer = "solar.opendefense.cloud/rendertask-finalizer"

        annotationJobName    = "solar.opendefense.cloud/job-name"
        annotationSecretName = "solar.opendefense.cloud/secret-name"

        // Condition types
        ConditionTypeJobScheduled = "JobScheduled"
        ConditionTypeJobSucceeded = "JobSucceeded"
        ConditionTypeJobFailed    = "JobFailed"

        ConditionTypeTaskCompleted = "TaskCompleted"
        ConditionTypeTaskFailed    = "TaskFailed"
)

// RenderTaskReconciler reconciles a RenderTask object
type RenderTaskReconciler struct {
        client.Client
        Scheme              *runtime.Scheme
        Recorder            events.EventRecorder
        RendererImage       string
        RendererCommand     string
        RendererArgs        []string
        PushSecretRef       *corev1.SecretReference
        BaseURL             string
        RendererCAConfigMap string
        // Namespace is the namespace where Jobs and Secrets are created.
        // Passed via --namespace flag from the controller-manager.
        Namespace string
}

//+kubebuilder:rbac:groups=solar.opendefense.cloud,resources=rendertasks,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=solar.opendefense.cloud,resources=rendertasks/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=solar.opendefense.cloud,resources=rendertasks/finalizers,verbs=update
//+kubebuilder:rbac:groups=batch,resources=jobs,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=core,resources=events,verbs=create;patch
//+kubebuilder:rbac:groups=events.k8s.io,resources=events,verbs=create;patch

// Reconcile moves the current state of the cluster closer to the desired state
func (r *RenderTaskReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
        log := ctrl.LoggerFrom(ctx)
        ctrlResult := ctrl.Result{}

        log.V(1).Info("RenderTask is being reconciled", "req", req)

        // Fetch the RenderTask instance
        res := &solarv1alpha1.RenderTask{}
        if err := r.Get(ctx, req.NamespacedName, res); err != nil {
                if apierrors.IsNotFound(err) {
                        // Object not found, return. Created objects are automatically garbage collected.
                        return ctrlResult, nil
                }

                return ctrlResult, errLogAndWrap(log, err, "failed to get object")
        }

        // Handle deletion: cleanup job and secret, then remove finalizer
        if !res.DeletionTimestamp.IsZero() {
                log.V(1).Info("RenderTask is being deleted")
                r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "Deleting", "Delete", "RenderTask is being deleted, cleaning up secret and job")

                // Cleanup render resources, if exists
                if err := r.deleteRenderJob(ctx, res); err != nil && !apierrors.IsNotFound(err) {
                        return ctrlResult, errLogAndWrap(log, err, "failed to clean up render job")
                }

                if err := r.deleteConfigSecret(ctx, res); err != nil && !apierrors.IsNotFound(err) {
                        return ctrlResult, errLogAndWrap(log, err, "failed to clean up render secret")
                }

                // Remove finalizer
                if slices.Contains(res.Finalizers, renderTaskFinalizer) {
                        log.V(1).Info("Removing finalizer from resource")
                        res.Finalizers = slices.DeleteFunc(res.Finalizers, func(f string) bool {
                                return f == renderTaskFinalizer
                        })
                        if err := r.Update(ctx, res); err != nil {
                                if apierrors.IsNotFound(err) {
                                        return ctrlResult, nil
                                }

                                return ctrlResult, errLogAndWrap(log, err, "failed to remove finalizer")
                        }
                }

                return ctrlResult, nil
        }

        // Add finalizer if not present and not deleting
        if res.DeletionTimestamp.IsZero() {
                if !slices.Contains(res.Finalizers, renderTaskFinalizer) {
                        log.V(1).Info("Adding finalizer to resource")
                        res.Finalizers = append(res.Finalizers, renderTaskFinalizer)
                        if err := r.Update(ctx, res); err != nil {
                                return ctrlResult, errLogAndWrap(log, err, "failed to add finalizer")
                        }
                        // Return without requeue; the Update event will trigger reconciliation again
                        return ctrlResult, nil
                }
        }

        // Check if renderjob has already completed successfully
        sc := apimeta.FindStatusCondition(res.Status.Conditions, ConditionTypeJobSucceeded)
        if sc != nil && sc.ObservedGeneration >= res.Generation && sc.Status == metav1.ConditionTrue {
                log.V(1).Info("RenderTask has already completed successfully, no further action needed")
                return ctrlResult, nil
        }

        // Reconcile Config Secret
        configSecret := &corev1.Secret{}
        err := r.Get(ctx, r.configSecretKey(res), configSecret)
        if err != nil && apierrors.IsNotFound(err) {
                createdSecret, err := r.createConfigSecret(ctx, res)
                if err != nil {
                        r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "CreateSecretFailed", "CreateConfigSecret", fmt.Sprintf("Failed to create config secret: %s", err))
                        return ctrlResult, errLogAndWrap(log, err, "failed to create secret")
                }
                configSecret = createdSecret
        } else if err != nil {
                return ctrlResult, errLogAndWrap(log, err, "could not get secret")
        }

        // Resolve push secret (lives in controller namespace, referenced directly by Jobs)
        var pushSecret *corev1.Secret
        if r.PushSecretRef != nil {
                pushSecret = &corev1.Secret{}
                if err := r.Get(ctx, client.ObjectKey{Name: r.PushSecretRef.Name, Namespace: r.PushSecretRef.Namespace}, pushSecret); err != nil {
                        return ctrlResult, errLogAndWrap(log, err, "failed to get push secret")
                }
        }

        // Reconcile Job
        job := &batchv1.Job{}
        err = r.Get(ctx, r.renderJobKey(res), job)
        if err != nil && apierrors.IsNotFound(err) {
                err := r.createRenderJob(ctx, res, configSecret, pushSecret)
                if err != nil {
                        r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "CreateJobFailed", "CreateJob", fmt.Sprintf("Failed to create job: %s", err))
                        return ctrlResult, errLogAndWrap(log, err, "failed to create job")
                }
        } else if err != nil {
                return ctrlResult, errLogAndWrap(log, err, "could not get job")
        }

        // Update Status
        if changed := r.updateResourceStatusFromJob(ctx, res, job); changed {
                if err := r.Status().Update(ctx, res); err != nil {
                        return ctrlResult, errLogAndWrap(log, err, "failed to update status")
                }
        }

        if !isJobComplete(job) {
                log.V(1).Info("Job is still running, requeue after 5 seconds")
                return ctrl.Result{RequeueAfter: 5 * time.Second}, nil
        }

        ttlDuration := time.Duration(ttlSeconds(res.Spec.FailedJobTTL)) * time.Second

        switch {
        case job.Status.Succeeded > 0:
                cleanupRenderResources(ctx, r, res, job)
                log.V(1).Info("Cleaned up after successful job")

                return ctrlResult, nil

        case job.Status.Failed > 0:
                if shouldCleanupSecrets(res, ttlDuration) {
                        cleanupSecrets(ctx, r, res)
                        log.V(1).Info("Cleaned up secrets after failed job TTL")

                        return ctrlResult, nil
                }
                remaining := remainingTTL(res, ttlDuration)
                log.V(1).Info("Waiting for TTL to expire before cleaning up secrets", "remainingSeconds", remaining.Seconds())

                return ctrl.Result{RequeueAfter: remaining + time.Second}, nil
        }

        return ctrlResult, nil
}

// updateResourceStatusFromJob updates the resource status based on job status
func (r *RenderTaskReconciler) updateResourceStatusFromJob(ctx context.Context, res *solarv1alpha1.RenderTask, job *batchv1.Job) (changed bool) {
        log := ctrl.LoggerFrom(ctx)

        if job == nil {
                changed = apimeta.SetStatusCondition(&res.Status.Conditions, metav1.Condition{
                        Type:               ConditionTypeJobScheduled,
                        Status:             metav1.ConditionFalse,
                        ObservedGeneration: res.Generation,
                        Reason:             "DoesNotExist",
                        Message:            "Renderer job does not exist",
                })

                return changed
        }

        if job.Status.Succeeded > 0 {
                changed = apimeta.SetStatusCondition(&res.Status.Conditions, metav1.Condition{
                        Type:               ConditionTypeJobSucceeded,
                        Status:             metav1.ConditionTrue,
                        ObservedGeneration: res.Generation,
                        Reason:             "JobSucceeded",
                        Message:            fmt.Sprintf("Renderer job completed successfully at %v", job.Status.CompletionTime),
                })

                if res.Status.ChartURL != r.referenceURL(res.Spec.Repository, res.Spec.Tag) {
                        res.Status.ChartURL = r.referenceURL(res.Spec.Repository, res.Spec.Tag)
                        changed = true
                }

                r.Recorder.Eventf(res, job, corev1.EventTypeNormal, "JobSucceeded", "RunJob", "Renderer job completed successfully")
                log.V(1).Info("Job succeeded", "name", job.Name)

                return changed
        }

        if job.Status.Failed > 0 {
                changed = apimeta.SetStatusCondition(&res.Status.Conditions, metav1.Condition{
                        Type:               ConditionTypeJobFailed,
                        Status:             metav1.ConditionTrue,
                        ObservedGeneration: res.Generation,
                        Reason:             "JobFailed",
                        Message:            "Renderer job failed",
                })
                r.Recorder.Eventf(res, job, corev1.EventTypeWarning, "JobFailed", "RunJob", "Renderer job failed")
                log.V(1).Info("Job failed", "name", job.Name)

                return changed
        }

        return apimeta.SetStatusCondition(&res.Status.Conditions, metav1.Condition{
                Type:               ConditionTypeJobScheduled,
                Status:             metav1.ConditionTrue,
                ObservedGeneration: res.Generation,
                Reason:             "JobScheduled",
                Message:            fmt.Sprintf("Renderer job is running (active: %d, succeeded: %d, failed: %d)", job.Status.Active, job.Status.Succeeded, job.Status.Failed),
        })
}

func (r *RenderTaskReconciler) deleteRenderJob(ctx context.Context, res *solarv1alpha1.RenderTask) error {
        job := &batchv1.Job{}
        if err := r.Get(ctx, r.renderJobKey(res), job); err != nil {
                return err
        }

        return r.Delete(ctx, job, client.PropagationPolicy(metav1.DeletePropagationBackground))
}

func (r *RenderTaskReconciler) deleteConfigSecret(ctx context.Context, res *solarv1alpha1.RenderTask) error {
        secret := &corev1.Secret{}
        if err := r.Get(ctx, r.configSecretKey(res), secret); err != nil {
                return err
        }

        return r.Delete(ctx, secret, client.PropagationPolicy(metav1.DeletePropagationBackground))
}

func (r *RenderTaskReconciler) createRenderJob(ctx context.Context, res *solarv1alpha1.RenderTask, configSecret, pushSecret *corev1.Secret) error {
        log := ctrl.LoggerFrom(ctx)

        jobName := r.renderJobKey(res).Name
        backoffLimit := int32(3)
        ttlSecondsAfterFinished := int32(3600)
        if res.Spec.FailedJobTTL != nil {
                ttlSecondsAfterFinished = *res.Spec.FailedJobTTL
        }

        volumes := []corev1.Volume{
                {
                        Name: "config",
                        VolumeSource: corev1.VolumeSource{
                                Secret: &corev1.SecretVolumeSource{
                                        SecretName: configSecret.Name,
                                        Items: []corev1.KeyToPath{
                                                {
                                                        Key:  "config.json",
                                                        Path: "config.json",
                                                },
                                        },
                                },
                        },
                },
        }
        volumeMounts := []corev1.VolumeMount{
                {
                        Name:      "config",
                        MountPath: "/etc/renderer/config.json",
                        SubPath:   "config.json",
                        ReadOnly:  true,
                },
        }
        envVars := []corev1.EnvVar{
                {
                        Name: "POD_NAMESPACE",
                        ValueFrom: &corev1.EnvVarSource{
                                FieldRef: &corev1.ObjectFieldSelector{
                                        FieldPath: "metadata.namespace",
                                },
                        },
                },
                {
                        Name: "POD_NAME",
                        ValueFrom: &corev1.EnvVarSource{
                                FieldRef: &corev1.ObjectFieldSelector{
                                        FieldPath: "metadata.name",
                                },
                        },
                },
        }

        if r.RendererCAConfigMap != "" {
                volumes = append(volumes, corev1.Volume{
                        Name: "ca-bundle",
                        VolumeSource: corev1.VolumeSource{
                                ConfigMap: &corev1.ConfigMapVolumeSource{
                                        LocalObjectReference: corev1.LocalObjectReference{
                                                Name: r.RendererCAConfigMap,
                                        },
                                        Items: []corev1.KeyToPath{
                                                {
                                                        Key:  "trust-bundle.pem",
                                                        Path: "ca-bundle.pem",
                                                },
                                        },
                                },
                        },
                })
                volumeMounts = append(volumeMounts, corev1.VolumeMount{
                        Name:      "ca-bundle",
                        MountPath: "/etc/ssl/certs",
                        ReadOnly:  true,
                })
                envVars = append(envVars, corev1.EnvVar{
                        Name:  "SSL_CERT_FILE",
                        Value: "/etc/ssl/certs/ca-bundle.pem",
                })
        }

        job := &batchv1.Job{
                ObjectMeta: metav1.ObjectMeta{
                        Name:      jobName,
                        Namespace: r.renderJobKey(res).Namespace,
                        OwnerReferences: []metav1.OwnerReference{
                                {
                                        APIVersion:         solarv1alpha1.SchemeGroupVersion.String(),
                                        Kind:               res.Kind,
                                        Name:               res.Name,
                                        UID:                res.GetUID(),
                                        Controller:         new(true),
                                        BlockOwnerDeletion: new(true),
                                },
                        },
                        Annotations: map[string]string{
                                annotationJobName: jobName,
                        },
                },
                Spec: batchv1.JobSpec{
                        BackoffLimit:            &backoffLimit,
                        TTLSecondsAfterFinished: &ttlSecondsAfterFinished,
                        Template: corev1.PodTemplateSpec{
                                Spec: corev1.PodSpec{
                                        RestartPolicy: corev1.RestartPolicyNever,
                                        Containers: []corev1.Container{
                                                {
                                                        Name:    "renderer",
                                                        Image:   r.RendererImage,
                                                        Command: []string{r.RendererCommand},
                                                        Args: append(r.RendererArgs,
                                                                "/etc/renderer/config.json",
                                                                fmt.Sprintf("--url=%s", r.referenceURL(res.Spec.Repository, res.Spec.Tag)),
                                                        ),
                                                        Env:          envVars,
                                                        VolumeMounts: volumeMounts,
                                                },
                                        },
                                        Volumes: volumes,
                                },
                        },
                },
        }

        if pushSecret != nil {
                switch pushSecret.Type {
                case corev1.SecretTypeBasicAuth:
                        job.Spec.Template.Spec.Containers[0].Env = append(job.Spec.Template.Spec.Containers[0].Env,
                                corev1.EnvVar{
                                        Name: "REGISTRY_USERNAME",
                                        ValueFrom: &corev1.EnvVarSource{
                                                SecretKeyRef: &corev1.SecretKeySelector{
                                                        LocalObjectReference: corev1.LocalObjectReference{
                                                                Name: pushSecret.Name,
                                                        },
                                                        Key: "username",
                                                },
                                        },
                                },
                                corev1.EnvVar{
                                        Name: "REGISTRY_PASSWORD",
                                        ValueFrom: &corev1.EnvVarSource{
                                                SecretKeyRef: &corev1.SecretKeySelector{
                                                        LocalObjectReference: corev1.LocalObjectReference{
                                                                Name: pushSecret.Name,
                                                        },
                                                        Key: "password",
                                                },
                                        },
                                },
                        )

                case corev1.SecretTypeDockerConfigJson:
                        job.Spec.Template.Spec.Volumes = append(job.Spec.Template.Spec.Volumes, corev1.Volume{
                                Name: "dockerconfig",
                                VolumeSource: corev1.VolumeSource{
                                        Secret: &corev1.SecretVolumeSource{
                                                SecretName: pushSecret.Name,
                                                Items: []corev1.KeyToPath{
                                                        {
                                                                Key:  ".dockerconfigjson",
                                                                Path: "dockerconfig.json",
                                                        },
                                                },
                                        },
                                },
                        })

                        job.Spec.Template.Spec.Containers[0].VolumeMounts = append(job.Spec.Template.Spec.Containers[0].VolumeMounts, corev1.VolumeMount{
                                Name:      "dockerconfig",
                                MountPath: "/etc/renderer/dockerconfig.json",
                                SubPath:   "dockerconfig.json",
                                ReadOnly:  true,
                        })

                        job.Spec.Template.Spec.Containers[0].Env = append(job.Spec.Template.Spec.Containers[0].Env, corev1.EnvVar{
                                Name:  "DOCKER_CONFIG",
                                Value: "/etc/renderer/dockerconfig.json",
                        })
                default:
                }
        }

        if err := r.Create(ctx, job); err != nil {
                r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "CreationFailed", "Create", "Failed to create job: %s", err)
                return errLogAndWrap(log, err, "job creation failed")
        }

        // Set owner references
        if err := controllerutil.SetControllerReference(res, job, r.Scheme); err != nil {
                return errLogAndWrap(log, err, "failed to set controller reference")
        }

        res.Status.JobRef = &corev1.ObjectReference{
                APIVersion: batchv1.SchemeGroupVersion.String(),
                Kind:       "Job",
                Namespace:  job.Namespace,
                Name:       job.Name,
        }

        if err := r.Status().Update(ctx, res); err != nil {
                return errLogAndWrap(log, err, "failed to update status")
        }

        return nil
}

func (r *RenderTaskReconciler) createConfigSecret(ctx context.Context, res *solarv1alpha1.RenderTask) (*corev1.Secret, error) {
        log := ctrl.LoggerFrom(ctx)

        cfgJson, err := json.Marshal(res.Spec.RendererConfig)
        if err != nil {
                return nil, err
        }

        secret := &corev1.Secret{
                ObjectMeta: metav1.ObjectMeta{
                        Name:      r.configSecretKey(res).Name,
                        Namespace: r.configSecretKey(res).Namespace,
                        OwnerReferences: []metav1.OwnerReference{
                                {
                                        APIVersion:         solarv1alpha1.SchemeGroupVersion.String(),
                                        Kind:               res.Kind,
                                        Name:               res.Name,
                                        UID:                res.UID,
                                        Controller:         new(true),
                                        BlockOwnerDeletion: new(true),
                                },
                        },
                        Annotations: map[string]string{
                                annotationSecretName: r.configSecretKey(res).Name,
                        },
                },
                Type: corev1.SecretTypeOpaque,
                Data: map[string][]byte{
                        "config.json": cfgJson,
                },
        }

        if err := r.Create(ctx, secret); err != nil {
                r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "CreationFailed", "Create", "Failed to create secret: %s", err)
                return nil, errLogAndWrap(log, err, "secret creation failed")
        }

        // Set owner references
        if err := controllerutil.SetControllerReference(res, secret, r.Scheme); err != nil {
                return nil, errLogAndWrap(log, err, "failed to set controller reference")
        }

        res.Status.ConfigSecretRef = &corev1.ObjectReference{
                APIVersion: corev1.SchemeGroupVersion.String(),
                Kind:       "Secret",
                Namespace:  secret.Namespace,
                Name:       secret.Name,
        }

        if err := r.Status().Update(ctx, res); err != nil {
                return nil, errLogAndWrap(log, err, "failed to update status")
        }

        return secret, nil
}

func (r *RenderTaskReconciler) configSecretKey(res *solarv1alpha1.RenderTask) client.ObjectKey {
        return client.ObjectKey{
                Name:      fmt.Sprintf("render-%s", res.Name),
                Namespace: r.Namespace,
        }
}

func (r *RenderTaskReconciler) renderJobKey(res *solarv1alpha1.RenderTask) client.ObjectKey {
        return client.ObjectKey{
                Name:      truncateName(fmt.Sprintf("render-%s", res.Name), 63),
                Namespace: r.Namespace,
        }
}

// isJobComplete returns true if the Job is complete (succeeded or failed)
func isJobComplete(job *batchv1.Job) bool {
        return job.Status.CompletionTime != nil || job.Status.Failed > 0
}

func (r *RenderTaskReconciler) referenceURL(repo string, tag string) string {
        base := r.BaseURL
        if !strings.HasPrefix(base, "oci://") {
                base = fmt.Sprintf("oci://%s", base)
        }
        base = strings.TrimSuffix(base, "/")
        url := fmt.Sprintf("%s/%s:%s", base, repo, tag)

        return url
}

func ttlSeconds(ttl *int32) int32 {
        if ttl != nil {
                return *ttl
        }

        return 3600
}

func shouldCleanupSecrets(res *solarv1alpha1.RenderTask, ttl time.Duration) bool {
        cond := apimeta.FindStatusCondition(res.Status.Conditions, ConditionTypeJobFailed)
        return cond != nil && time.Since(cond.LastTransitionTime.Time) >= ttl
}

func remainingTTL(res *solarv1alpha1.RenderTask, ttl time.Duration) time.Duration {
        cond := apimeta.FindStatusCondition(res.Status.Conditions, ConditionTypeJobFailed)
        if cond == nil {
                return ttl
        }
        remaining := ttl - time.Since(cond.LastTransitionTime.Time)
        if remaining < 0 {
                return 0
        }

        return remaining
}

func cleanupSecrets(ctx context.Context, r *RenderTaskReconciler, res *solarv1alpha1.RenderTask) {
        if err := r.deleteConfigSecret(ctx, res); err != nil && !apierrors.IsNotFound(err) {
                r.Recorder.Eventf(res, nil, corev1.EventTypeWarning, "DeletionFailed", "Delete", "Failed to delete config secret", err)
        }
}

func cleanupRenderResources(ctx context.Context, r *RenderTaskReconciler, res *solarv1alpha1.RenderTask, job *batchv1.Job) {
        cleanupSecrets(ctx, r, res)
        if err := r.deleteRenderJob(ctx, res); err != nil && !apierrors.IsNotFound(err) {
                r.Recorder.Eventf(res, job, corev1.EventTypeWarning, "DeletionFailed", "Delete", "Failed to delete job", err)
        }
}

// SetupWithManager sets up the controller with the Manager.
func (r *RenderTaskReconciler) SetupWithManager(mgr ctrl.Manager) error {
        return ctrl.NewControllerManagedBy(mgr).
                For(&solarv1alpha1.RenderTask{}).
                Owns(&batchv1.Job{}).
                Owns(&corev1.Secret{}).
                Complete(r)
}

opendefensecloud / solution-arsenal / 23764791425

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