mirror of
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330 lines
8.7 KiB
Go
330 lines
8.7 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"net/http"
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"strings"
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"sync"
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"sync/atomic"
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"github.com/minio/minio/internal/logger"
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"github.com/prometheus/client_golang/prometheus"
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)
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// ConnStats - Network statistics
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// Count total input/output transferred bytes during
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// the server's life.
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type ConnStats struct {
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totalInputBytes uint64
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totalOutputBytes uint64
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s3InputBytes uint64
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s3OutputBytes uint64
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adminInputBytes uint64
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adminOutputBytes uint64
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}
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// Increase internode total input bytes
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func (s *ConnStats) incInputBytes(n int64) {
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atomic.AddUint64(&s.totalInputBytes, uint64(n))
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}
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// Increase internode total output bytes
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func (s *ConnStats) incOutputBytes(n int64) {
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atomic.AddUint64(&s.totalOutputBytes, uint64(n))
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}
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// Return internode total input bytes
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func (s *ConnStats) getTotalInputBytes() uint64 {
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return atomic.LoadUint64(&s.totalInputBytes)
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}
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// Return total output bytes
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func (s *ConnStats) getTotalOutputBytes() uint64 {
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return atomic.LoadUint64(&s.totalOutputBytes)
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}
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// Increase S3 total input bytes
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func (s *ConnStats) incS3InputBytes(n int64) {
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atomic.AddUint64(&s.s3InputBytes, uint64(n))
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}
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// Increase S3 total output bytes
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func (s *ConnStats) incS3OutputBytes(n int64) {
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atomic.AddUint64(&s.s3OutputBytes, uint64(n))
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}
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// Return S3 total input bytes
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func (s *ConnStats) getS3InputBytes() uint64 {
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return atomic.LoadUint64(&s.s3InputBytes)
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}
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// Return S3 total output bytes
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func (s *ConnStats) getS3OutputBytes() uint64 {
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return atomic.LoadUint64(&s.s3OutputBytes)
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}
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// Increase Admin total input bytes
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func (s *ConnStats) incAdminInputBytes(n int64) {
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atomic.AddUint64(&s.adminInputBytes, uint64(n))
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}
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// Increase Admin total output bytes
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func (s *ConnStats) incAdminOutputBytes(n int64) {
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atomic.AddUint64(&s.adminOutputBytes, uint64(n))
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}
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// Return Admin total input bytes
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func (s *ConnStats) getAdminInputBytes() uint64 {
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return atomic.LoadUint64(&s.adminInputBytes)
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}
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// Return Admin total output bytes
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func (s *ConnStats) getAdminOutputBytes() uint64 {
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return atomic.LoadUint64(&s.adminOutputBytes)
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}
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// Return connection stats (total input/output bytes and total s3 input/output bytes)
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func (s *ConnStats) toServerConnStats() ServerConnStats {
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return ServerConnStats{
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TotalInputBytes: s.getTotalInputBytes(), // Traffic internode received
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TotalOutputBytes: s.getTotalOutputBytes(), // Traffic internode sent
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S3InputBytes: s.getS3InputBytes(), // Traffic S3 received
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S3OutputBytes: s.getS3OutputBytes(), // Traffic S3 sent
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AdminInputBytes: s.getAdminInputBytes(), // Traffic admin calls received
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AdminOutputBytes: s.getAdminOutputBytes(), // Traffic admin calls sent
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}
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}
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// Prepare new ConnStats structure
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func newConnStats() *ConnStats {
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return &ConnStats{}
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}
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type bucketS3RXTX struct {
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s3InputBytes uint64
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s3OutputBytes uint64
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}
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type bucketConnStats struct {
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sync.RWMutex
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stats map[string]*bucketS3RXTX
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}
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func newBucketConnStats() *bucketConnStats {
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return &bucketConnStats{
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stats: make(map[string]*bucketS3RXTX),
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}
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}
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// Increase S3 total input bytes for input bucket
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func (s *bucketConnStats) incS3InputBytes(bucket string, n int64) {
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s.Lock()
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defer s.Unlock()
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stats, ok := s.stats[bucket]
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if !ok {
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stats = &bucketS3RXTX{
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s3InputBytes: uint64(n),
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}
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} else {
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stats.s3InputBytes += uint64(n)
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}
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s.stats[bucket] = stats
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}
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// Increase S3 total output bytes for input bucket
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func (s *bucketConnStats) incS3OutputBytes(bucket string, n int64) {
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s.Lock()
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defer s.Unlock()
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stats, ok := s.stats[bucket]
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if !ok {
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stats = &bucketS3RXTX{
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s3OutputBytes: uint64(n),
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}
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} else {
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stats.s3OutputBytes += uint64(n)
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}
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s.stats[bucket] = stats
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}
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// Return S3 total input bytes for input bucket
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func (s *bucketConnStats) getS3InputBytes(bucket string) uint64 {
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s.RLock()
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defer s.RUnlock()
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stats := s.stats[bucket]
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if stats == nil {
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return 0
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}
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return stats.s3InputBytes
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}
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// Return S3 total output bytes
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func (s *bucketConnStats) getS3OutputBytes(bucket string) uint64 {
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s.RLock()
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defer s.RUnlock()
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stats := s.stats[bucket]
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if stats == nil {
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return 0
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}
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return stats.s3OutputBytes
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}
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// delete metrics once bucket is deleted.
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func (s *bucketConnStats) delete(bucket string) {
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s.Lock()
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defer s.Unlock()
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delete(s.stats, bucket)
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}
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// HTTPAPIStats holds statistics information about
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// a given API in the requests.
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type HTTPAPIStats struct {
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apiStats map[string]int
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sync.RWMutex
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}
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// Inc increments the api stats counter.
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func (stats *HTTPAPIStats) Inc(api string) {
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if stats == nil {
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return
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}
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stats.Lock()
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defer stats.Unlock()
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if stats.apiStats == nil {
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stats.apiStats = make(map[string]int)
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}
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stats.apiStats[api]++
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}
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// Dec increments the api stats counter.
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func (stats *HTTPAPIStats) Dec(api string) {
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if stats == nil {
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return
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}
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stats.Lock()
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defer stats.Unlock()
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if val, ok := stats.apiStats[api]; ok && val > 0 {
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stats.apiStats[api]--
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}
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}
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// Load returns the recorded stats.
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func (stats *HTTPAPIStats) Load() map[string]int {
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stats.Lock()
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defer stats.Unlock()
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apiStats := make(map[string]int, len(stats.apiStats))
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for k, v := range stats.apiStats {
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apiStats[k] = v
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}
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return apiStats
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}
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// HTTPStats holds statistics information about
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// HTTP requests made by all clients
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type HTTPStats struct {
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s3RequestsInQueue int32 // ref: https://golang.org/pkg/sync/atomic/#pkg-note-BUG
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_ int32 // For 64 bits alignment
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s3RequestsIncoming uint64
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rejectedRequestsAuth uint64
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rejectedRequestsTime uint64
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rejectedRequestsHeader uint64
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rejectedRequestsInvalid uint64
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currentS3Requests HTTPAPIStats
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totalS3Requests HTTPAPIStats
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totalS3Errors HTTPAPIStats
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totalS34xxErrors HTTPAPIStats
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totalS35xxErrors HTTPAPIStats
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totalS3Canceled HTTPAPIStats
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}
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func (st *HTTPStats) addRequestsInQueue(i int32) {
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atomic.AddInt32(&st.s3RequestsInQueue, i)
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}
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func (st *HTTPStats) incS3RequestsIncoming() {
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// Golang automatically resets to zero if this overflows
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atomic.AddUint64(&st.s3RequestsIncoming, 1)
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}
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// Converts http stats into struct to be sent back to the client.
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func (st *HTTPStats) toServerHTTPStats() ServerHTTPStats {
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serverStats := ServerHTTPStats{}
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serverStats.S3RequestsIncoming = atomic.SwapUint64(&st.s3RequestsIncoming, 0)
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serverStats.S3RequestsInQueue = atomic.LoadInt32(&st.s3RequestsInQueue)
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serverStats.TotalS3RejectedAuth = atomic.LoadUint64(&st.rejectedRequestsAuth)
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serverStats.TotalS3RejectedTime = atomic.LoadUint64(&st.rejectedRequestsTime)
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serverStats.TotalS3RejectedHeader = atomic.LoadUint64(&st.rejectedRequestsHeader)
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serverStats.TotalS3RejectedInvalid = atomic.LoadUint64(&st.rejectedRequestsInvalid)
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serverStats.CurrentS3Requests = ServerHTTPAPIStats{
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APIStats: st.currentS3Requests.Load(),
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}
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serverStats.TotalS3Requests = ServerHTTPAPIStats{
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APIStats: st.totalS3Requests.Load(),
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}
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serverStats.TotalS3Errors = ServerHTTPAPIStats{
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APIStats: st.totalS3Errors.Load(),
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}
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serverStats.TotalS34xxErrors = ServerHTTPAPIStats{
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APIStats: st.totalS34xxErrors.Load(),
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}
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serverStats.TotalS35xxErrors = ServerHTTPAPIStats{
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APIStats: st.totalS35xxErrors.Load(),
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}
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serverStats.TotalS3Canceled = ServerHTTPAPIStats{
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APIStats: st.totalS3Canceled.Load(),
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}
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return serverStats
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}
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// Update statistics from http request and response data
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func (st *HTTPStats) updateStats(api string, r *http.Request, w *logger.ResponseWriter) {
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// Ignore non S3 requests
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if strings.HasSuffix(r.URL.Path, minioReservedBucketPathWithSlash) {
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return
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}
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st.totalS3Requests.Inc(api)
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// Increment the prometheus http request response histogram with appropriate label
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httpRequestsDuration.With(prometheus.Labels{"api": api}).Observe(w.TimeToFirstByte.Seconds())
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code := w.StatusCode
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switch {
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case code == 0:
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case code == 499:
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// 499 is a good error, shall be counted as canceled.
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st.totalS3Canceled.Inc(api)
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case code >= http.StatusBadRequest:
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st.totalS3Errors.Inc(api)
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if code >= http.StatusInternalServerError {
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st.totalS35xxErrors.Inc(api)
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} else {
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st.totalS34xxErrors.Inc(api)
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}
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}
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}
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// Prepare new HTTPStats structure
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func newHTTPStats() *HTTPStats {
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return &HTTPStats{}
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}
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