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