/
usageController.go
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/
usageController.go
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// Copyright 2023 Nautes Authors
//
// 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 task
import (
"context"
"fmt"
"github.com/nautes-labs/nautes/app/runtime-operator/internal/syncer/v2/cache"
"gopkg.in/yaml.v2"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
type UsageController struct {
nautesNamespace string
k8sClient client.Client
clusterName string
}
func (cuc *UsageController) GetUsage(ctx context.Context) (*cache.ClusterUsage, error) {
cm := &corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: ConfigMapNameClustersUsageCache,
Namespace: cuc.nautesNamespace,
},
}
if err := cuc.k8sClient.Get(ctx, client.ObjectKeyFromObject(cm), cm); err != nil {
return nil, client.IgnoreNotFound(err)
}
return cache.NewClustersUsage(cm.Data[cuc.clusterName])
}
func (cuc *UsageController) GetProductUsage(ctx context.Context, productID string) (*cache.ProductUsage, error) {
clusterUsage, err := cuc.GetUsage(ctx)
if err != nil {
return nil, fmt.Errorf("get cluster usage failed: %w", err)
}
if clusterUsage == nil {
return nil, nil
}
productUsage, ok := clusterUsage.Products[productID]
if !ok {
productUsage = cache.NewEmptyProductUsage()
}
return &productUsage, nil
}
func (cuc *UsageController) UpdateProductUsage(ctx context.Context, productID string, usage cache.ProductUsage) error {
cm := &corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: ConfigMapNameClustersUsageCache,
Namespace: cuc.nautesNamespace,
},
}
_, err := controllerutil.CreateOrPatch(ctx, cuc.k8sClient, cm, func() error {
if cm.Data == nil {
cm.Data = map[string]string{}
}
clusterUsage, err := cache.NewClustersUsage(cm.Data[cuc.clusterName])
if err != nil {
return err
}
if usage.Runtimes.Len() == 0 {
delete(clusterUsage.Products, productID)
} else {
clusterUsage.Products[productID] = usage
}
usageStr, err := yaml.Marshal(clusterUsage)
if err != nil {
return err
}
cm.Data[cuc.clusterName] = string(usageStr)
return nil
})
return err
}