feat: flexible group version kind

Signed-off-by: Leonardo Cecchi <[email protected]>

Author: leonardoce

internal/cnpgi/operator/config/config.go

@@ -113,7 +113,7 @@ func getClusterGVK() schema.GroupVersionKind {
 func NewFromClusterJSON(clusterJSON []byte) (*PluginConfiguration, error) {
 	var result cnpgv1.Cluster
 
-	if err := decoder.DecodeObject(clusterJSON, &result, getClusterGVK()); err != nil {
+	if err := decoder.DecodeObjectLenient(clusterJSON, &result); err != nil {
 		return nil, err
 	}
 

internal/cnpgi/operator/lifecycle.go

@@ -4,9 +4,9 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"strings"
 
 	cnpgv1 "github.com/cloudnative-pg/cloudnative-pg/api/v1"
-	"github.com/cloudnative-pg/cloudnative-pg/pkg/utils"
 	"github.com/cloudnative-pg/cnpg-i-machinery/pkg/pluginhelper/decoder"
 	"github.com/cloudnative-pg/cnpg-i-machinery/pkg/pluginhelper/object"
 	"github.com/cloudnative-pg/cnpg-i/pkg/lifecycle"
@@ -79,10 +79,9 @@ func (impl LifecycleImplementation) LifecycleHook(
 	}
 
 	var cluster cnpgv1.Cluster
-	if err := decoder.DecodeObject(
+	if err := decoder.DecodeObjectLenient(
 		request.GetClusterDefinition(),
 		&cluster,
-		cnpgv1.SchemeGroupVersion.WithKind("Cluster"),
 	); err != nil {
 		return nil, err
 	}
@@ -184,7 +183,7 @@ func reconcileJob(
 	}
 
 	var job batchv1.Job
-	if err := decoder.DecodeObject(
+	if err := decoder.DecodeObjectStrict(
 		request.GetObjectDefinition(),
 		&job,
 		batchv1.SchemeGroupVersion.WithKind("Job"),
@@ -197,7 +196,7 @@ func reconcileJob(
 		WithValues("jobName", job.Name)
 	contextLogger.Debug("starting job reconciliation")
 
-	if job.Spec.Template.Labels[utils.JobRoleLabelName] != "full-recovery" {
+	if getCNPGJobRole(&job) != "full-recovery" {
 		contextLogger.Debug("job is not a recovery job, skipping")
 		return nil, nil
 	}
@@ -463,3 +462,15 @@ func InjectPluginSidecarPodSpec(
 
 	return nil
 }
+
+// getCNPGJobRole gets the role associated to a CNPG job
+func getCNPGJobRole(job *batchv1.Job) string {
+	const jobRoleLabelSuffix = "/jobRole"
+	for k, v := range job.Spec.Template.Labels {
+		if strings.HasSuffix(k, jobRoleLabelSuffix) {
+			return v
+		}
+	}
+
+	return ""
+}

internal/cnpgi/operator/ownership.go

@@ -0,0 +1,39 @@
+package operator
+
+import (
+	"fmt"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/utils/ptr"
+)
+
+// setOwnerReference explicitly set the owner reference between an
+// owner object and a controller one.
+//
+// Important: this function won't use any registered scheme and will
+// fail unless the metadata has been correctly set into the owner
+// object.
+func setOwnerReference(owner, controlled metav1.Object) error {
+	ro, ok := owner.(runtime.Object)
+	if !ok {
+		return fmt.Errorf("%T is not a runtime.Object, cannot call setOwnerReference", owner)
+	}
+
+	if len(ro.DeepCopyObject().GetObjectKind().GroupVersionKind().Group) == 0 {
+		return fmt.Errorf("%T metadata have not been set, cannot call setOwnerReference", owner)
+	}
+
+	controlled.SetOwnerReferences([]metav1.OwnerReference{
+		metav1.OwnerReference{
+			APIVersion:         ro.GetObjectKind().GroupVersionKind().GroupVersion().String(),
+			Kind:               ro.GetObjectKind().GroupVersionKind().Kind,
+			Name:               owner.GetName(),
+			UID:                owner.GetUID(),
+			BlockOwnerDeletion: ptr.To(true),
+			Controller:         ptr.To(true),
+		},
+	})
+
+	return nil
+}

internal/cnpgi/operator/reconciler.go

@@ -11,7 +11,6 @@ import (
 	rbacv1 "k8s.io/api/rbac/v1"
 	"k8s.io/apimachinery/pkg/api/equality"
 	apierrs "k8s.io/apimachinery/pkg/api/errors"
-	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 
 	barmancloudv1 "github.com/cloudnative-pg/plugin-barman-cloud/api/v1"
@@ -61,10 +60,10 @@ func (r ReconcilerImplementation) Pre(
 
 	contextLogger.Debug("parsing cluster definition")
 	var cluster cnpgv1.Cluster
-	if err := decoder.DecodeObject(
+	if err := decoder.DecodeObjectLenient(
 		request.GetResourceDefinition(),
 		&cluster,
-		cnpgv1.SchemeGroupVersion.WithKind("Cluster")); err != nil {
+	); err != nil {
 		return nil, err
 	}
 
@@ -142,11 +141,7 @@ func (r ReconcilerImplementation) ensureRole(
 			"namespace", newRole.Namespace,
 		)
 
-		if err := ctrl.SetControllerReference(
-			cluster,
-			newRole,
-			r.Client.Scheme(),
-		); err != nil {
+		if err := setOwnerReference(cluster, newRole); err != nil {
 			return err
 		}
 
@@ -193,7 +188,7 @@ func (r ReconcilerImplementation) createRoleBinding(
 	cluster *cnpgv1.Cluster,
 ) error {
 	roleBinding := specs.BuildRoleBinding(cluster)
-	if err := ctrl.SetControllerReference(cluster, roleBinding, r.Client.Scheme()); err != nil {
+	if err := setOwnerReference(cluster, roleBinding); err != nil {
 		return err
 	}
 	return r.Client.Create(ctx, roleBinding)