Files
capsule/controllers/tenant/utils.go
Dario Tranchitella d7a48d771f refactor: moving to new neutral organization
Signed-off-by: Dario Tranchitella <dario@tranchitella.eu>
2023-10-16 21:29:23 +02:00

72 lines
2.0 KiB
Go

// Copyright 2020-2021 Clastix Labs
// SPDX-License-Identifier: Apache-2.0
package tenant
import (
"context"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/selection"
"k8s.io/client-go/util/retry"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
capsulev1beta2 "github.com/projectcapsule/capsule/pkg/utils"
)
// pruningResources is taking care of removing the no more requested sub-resources as LimitRange, ResourceQuota or
// NetworkPolicy using the "exists" and "notin" LabelSelector to perform an outer-join removal.
func (r *Manager) pruningResources(ctx context.Context, ns string, keys []string, obj client.Object) (err error) {
var capsuleLabel string
if capsuleLabel, err = capsulev1beta2.GetTypeLabel(obj); err != nil {
return
}
selector := labels.NewSelector()
var exists *labels.Requirement
if exists, err = labels.NewRequirement(capsuleLabel, selection.Exists, []string{}); err != nil {
return
}
selector = selector.Add(*exists)
if len(keys) > 0 {
var notIn *labels.Requirement
if notIn, err = labels.NewRequirement(capsuleLabel, selection.NotIn, keys); err != nil {
return err
}
selector = selector.Add(*notIn)
}
r.Log.Info("Pruning objects with label selector " + selector.String())
return retry.RetryOnConflict(retry.DefaultBackoff, func() error {
return r.DeleteAllOf(ctx, obj, &client.DeleteAllOfOptions{
ListOptions: client.ListOptions{
LabelSelector: selector,
Namespace: ns,
},
DeleteOptions: client.DeleteOptions{},
})
})
}
func (r *Manager) emitEvent(object runtime.Object, namespace string, res controllerutil.OperationResult, msg string, err error) {
eventType := corev1.EventTypeNormal
if err != nil {
eventType = corev1.EventTypeWarning
res = "Error"
}
r.Recorder.AnnotatedEventf(object, map[string]string{"OperationResult": string(res)}, eventType, namespace, msg)
}