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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"
"github.com/prometheus/prom2json"
"regexp"
"strconv"
"strings"
"time"
"github.com/labring/sealos/controllers/pkg/utils/env"
"github.com/prometheus/common/model"
"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 ListAllObjectStorageBucket(client *minio.Client) ([]string, error) {
buckets, err := client.ListBuckets(context.Background())
if err != nil {
return nil, err
}
var allBuckets []string
for _, bucket := range buckets {
allBuckets = append(allBuckets, bucket.Name)
}
return allBuckets, 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, instance string, startTime, endTime time.Time) (int64, error) {
flow, err := QueryPrometheus(promURL, bucket, instance, startTime, endTime)
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, instance string, startTime, endTime time.Time) (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, instance, startTime, endTime)
if err != nil {
return 0, fmt.Errorf("failed to query prometheus, bucket: %v, err: %v", bucketName, err)
}
totalFlow += flow
}
return totalFlow, nil
}
var timeoutDuration = time.Duration(env.GetInt64EnvWithDefault(EnvPromQueryObsTimeoutSecEnv, 10)) * time.Second
const (
EnvPromQueryObsTimeoutSecEnv = "PROM_QUERY_OBS_TIMEOUT_SEC"
timeFormat = "2006-01-02 15:04:05"
)
var (
bytePattern = regexp.MustCompile(`\d+`)
)
func QueryPrometheus(host, bucketName, instance string, startTime, endTime time.Time) (int64, error) {
client, err := api.NewClient(api.Config{
Address: host,
})
if err != nil {
return 0, fmt.Errorf("failed to create Prometheus client: %w", err)
}
v1api := v1.NewAPI(client)
ctx, cancel := context.WithTimeout(context.Background(), timeoutDuration)
defer cancel()
rcvdQuery := fmt.Sprintf("sum(minio_bucket_traffic_received_bytes{bucket=\"%s\", instance=\"%s\"})", bucketName, instance)
rcvdValues, err := queryPrometheus(ctx, v1api, rcvdQuery, startTime, endTime)
if err != nil {
return 0, fmt.Errorf("failed to query Prometheus: %w", err)
}
sentQuery := fmt.Sprintf("sum(minio_bucket_traffic_sent_bytes{bucket=\"%s\", instance=\"%s\"})", bucketName, instance)
sentValues, err := queryPrometheus(ctx, v1api, sentQuery, startTime, endTime)
if err != nil {
return 0, fmt.Errorf("failed to query Prometheus: %w", err)
}
receivedDiff := rcvdValues[1] - rcvdValues[0]
sentDiff := sentValues[1] - sentValues[0]
fmt.Printf("bucket: %v, received bytes in duration: %v, sent bytes in duration: %v\n", bucketName, receivedDiff, sentDiff)
fmt.Printf("received bytes: {startTime: {time: %v, value: %v}, endTime: {time: %v, value: %v}}\n", startTime.Format(timeFormat), rcvdValues[0], endTime.Format(timeFormat), rcvdValues[1])
fmt.Printf("sent bytes: {startTime: {time: %v, value: %v}, endTime: {time: %v, value: %v}}\n", startTime.Format(timeFormat), sentValues[0], endTime.Format(timeFormat), sentValues[1])
return rcvdValues[1] + sentValues[1] - rcvdValues[0] - sentValues[0], nil
}
func queryPrometheus(ctx context.Context, api v1.API, query string, startTime, endTime time.Time) ([]int64, error) {
result1, _, err := api.Query(ctx, query, startTime, v1.WithTimeout(timeoutDuration))
if err != nil {
return nil, err
}
result2, _, err := api.Query(ctx, query, endTime, v1.WithTimeout(timeoutDuration))
if err != nil {
return nil, err
}
val1, val2 := extractValues(result1, result2)
return []int64{val1, val2}, nil
}
func extractValues(result1, result2 model.Value) (int64, int64) {
rcvdStr1 := bytePattern.FindString(result1.String())
rcvdStr2 := bytePattern.FindString(result2.String())
val1, _ := strconv.ParseInt(rcvdStr1, 10, 64)
val2, _ := strconv.ParseInt(rcvdStr2, 10, 64)
return val1, val2
}
type MetricData struct {
// key: bucket name, value: usage
Usage map[string]int64
}
type Metrics map[string]MetricData
func QueryUserUsage(client *MetricsClient) (Metrics, error) {
obMetrics := make(Metrics)
bucketMetrics, err := client.BucketUsageTotalBytesMetrics(context.TODO())
if err != nil {
return nil, fmt.Errorf("failed to get bucket metrics: %w", err)
}
for _, bucketMetric := range bucketMetrics {
if !isUsageBytesTargetMetric(bucketMetric.Name) {
continue
}
for _, metrics := range bucketMetric.Metrics {
promMetrics := metrics.(prom2json.Metric)
floatValue, err := strconv.ParseFloat(promMetrics.Value, 64)
if err != nil {
return nil, fmt.Errorf("failed to parse %s to float value", promMetrics.Value)
}
intValue := int64(floatValue)
if bucket := promMetrics.Labels["bucket"]; bucket != "" {
user := getUserWithBucket(bucket)
metricData, exists := obMetrics[user]
if !exists {
metricData = MetricData{
Usage: make(map[string]int64),
}
}
metricData.Usage[bucket] += intValue
obMetrics[user] = metricData
}
}
}
return obMetrics, err
}
func isUsageBytesTargetMetric(name string) bool {
targetMetrics := []string{
"minio_bucket_usage_total_bytes",
}
for _, target := range targetMetrics {
if name == target {
return true
}
}
return false
}
func getUserWithBucket(bucket string) string {
return strings.Split(bucket, "-")[0]
}