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objectstorage.go
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objectstorage.go
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// Copyright © 2023 sealos.
//
// 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 objectstorage
import (
"context"
"fmt"
"regexp"
"strconv"
"strings"
"time"
"github.com/minio/minio-go/v7"
"github.com/prometheus/client_golang/api"
v1 "github.com/prometheus/client_golang/api/prometheus/v1"
)
func ListUserObjectStorageBucket(client *minio.Client, username string) ([]string, error) {
buckets, err := client.ListBuckets(context.Background())
if err != nil {
return nil, err
}
var expectBuckets []string
for _, bucket := range buckets {
if strings.HasPrefix(bucket.Name, username) {
expectBuckets = append(expectBuckets, bucket.Name)
}
}
return expectBuckets, nil
}
func GetObjectStorageSize(client *minio.Client, bucket string) (int64, int64) {
objects := client.ListObjects(context.Background(), bucket, minio.ListObjectsOptions{
Recursive: true,
})
var totalSize int64
var objectsCount int64
for object := range objects {
totalSize += object.Size
objectsCount++
}
return totalSize, objectsCount
}
func GetObjectStorageFlow(promURL, bucket string) (int64, error) {
flow, err := QueryPrometheus(promURL, bucket)
if err != nil {
return 0, fmt.Errorf("failed to query prometheus, bucket: %v, err: %v", bucket, err)
}
return flow, nil
}
func GetUserObjectStorageSize(client *minio.Client, username string) (int64, int64, error) {
buckets, err := ListUserObjectStorageBucket(client, username)
if err != nil {
return 0, 0, fmt.Errorf("failed to list object storage buckets: %v", err)
}
var totalSize int64
var objectsCount int64
for _, bucketName := range buckets {
size, count := GetObjectStorageSize(client, bucketName)
totalSize += size
objectsCount += count
}
return totalSize, objectsCount, nil
}
func GetUserObjectStorageFlow(client *minio.Client, promURL, username string) (int64, error) {
buckets, err := ListUserObjectStorageBucket(client, username)
if err != nil {
return 0, fmt.Errorf("failed to list object storage buckets: %v", err)
}
var totalFlow int64
for _, bucketName := range buckets {
flow, err := QueryPrometheus(promURL, bucketName)
if err != nil {
return 0, fmt.Errorf("failed to query prometheus, bucket: %v, err: %v", bucketName, err)
}
totalFlow += flow
}
return totalFlow, nil
}
func QueryPrometheus(host, bucketName string) (int64, error) {
client, err := api.NewClient(api.Config{
Address: host,
})
if err != nil {
return 0, fmt.Errorf("failed to new prometheus client, host: %v, err: %v", host, err)
}
v1api := v1.NewAPI(client)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
rcvdQuery := "sum(minio_bucket_traffic_received_bytes{bucket=\"" + bucketName + "\"})"
rcvdResult, rcvdWarnings, err := v1api.Query(ctx, rcvdQuery, time.Now(), v1.WithTimeout(5*time.Second))
if err != nil {
return 0, fmt.Errorf("failed to query prometheus, query: %v, err: %v", rcvdQuery, err)
}
if len(rcvdWarnings) > 0 {
return 0, fmt.Errorf("there are warnings: %v", rcvdWarnings)
}
sentQuery := "sum(minio_bucket_traffic_sent_bytes{bucket=\"" + bucketName + "\"})"
sentResult, sentWarnings, err := v1api.Query(ctx, sentQuery, time.Now(), v1.WithTimeout(5*time.Second))
if err != nil {
return 0, fmt.Errorf("failed to query prometheus, query: %v, err: %v", sentQuery, err)
}
if len(sentWarnings) > 0 {
return 0, fmt.Errorf("there are warnings: %v", sentWarnings)
}
re := regexp.MustCompile(`\d+`)
rcvdStr := re.FindString(rcvdResult.String())
sentStr := re.FindString(sentResult.String())
rcvdBytes, err := strconv.ParseInt(rcvdStr, 10, 64)
if err != nil {
return 0, fmt.Errorf("failed to parse rcvdBytes to int64")
}
sentBytes, err := strconv.ParseInt(sentStr, 10, 64)
if err != nil {
return 0, fmt.Errorf("failed to parse rcvdBytes to int64")
}
fmt.Printf("received bytes: %d, send bytes: %d\n", rcvdBytes, sentBytes)
return rcvdBytes + sentBytes, nil
}