Rainbond/pkg/eventlog/store/manager.go
2017-11-07 11:40:44 +08:00

497 lines
14 KiB
Go

// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package store
import (
"errors"
"github.com/goodrain/rainbond/pkg/eventlog/db"
"github.com/goodrain/rainbond/pkg/eventlog/util"
"github.com/goodrain/rainbond/pkg/eventlog/conf"
"time"
"strings"
"fmt"
"encoding/json"
"bytes"
"github.com/Sirupsen/logrus"
"github.com/pquerna/ffjson/ffjson"
"github.com/prometheus/client_golang/prometheus"
"github.com/tidwall/gjson"
"golang.org/x/net/context"
)
//Manager 存储管理器
type Manager interface {
ReceiveMessageChan() chan []byte
SubMessageChan() chan [][]byte
PubMessageChan() chan [][]byte
DockerLogMessageChan() chan []byte
MonitorMessageChan() chan [][]byte
WebSocketMessageChan(mode, eventID, subID string) chan *db.EventLogMessage
RealseWebSocketMessageChan(mode, EventID, subID string)
Run() error
Stop()
Monitor() []db.MonitorData
Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error
Error() chan error
}
//NewManager 存储管理器
func NewManager(conf conf.EventStoreConf, log *logrus.Entry) (Manager, error) {
ctx, cancel := context.WithCancel(context.Background())
dbPlugin, err := db.NewManager(conf.DB, log)
if err != nil {
return nil, err
}
conf.DB.Type = "file"
filePlugin, err := db.NewManager(conf.DB, log)
if err != nil {
return nil, err
}
storeManager := &storeManager{
cancel: cancel,
context: ctx,
conf: conf,
log: log,
receiveChan: make(chan []byte, 300),
subChan: make(chan [][]byte, 300),
pubChan: make(chan [][]byte, 300),
dockerLogChan: make(chan []byte, 2048),
monitorMessageChan: make(chan [][]byte, 100),
chanCacheSize: 100,
dbPlugin: dbPlugin,
filePlugin: filePlugin,
errChan: make(chan error),
}
handle := NewStore("handle", storeManager)
read := NewStore("read", storeManager)
docker := NewStore("docker_log", storeManager)
monitor := NewStore("monitor", storeManager)
storeManager.handleMessageStore = handle
storeManager.readMessageStore = read
storeManager.dockerLogStore = docker
storeManager.monitorMessageStore = monitor
return storeManager, nil
}
type storeManager struct {
cancel func()
context context.Context
handleMessageStore MessageStore
readMessageStore MessageStore
dockerLogStore MessageStore
monitorMessageStore MessageStore
receiveChan chan []byte
pubChan, subChan chan [][]byte
dockerLogChan chan []byte
monitorMessageChan chan [][]byte
chanCacheSize int
conf conf.EventStoreConf
log *logrus.Entry
dbPlugin db.Manager
filePlugin db.Manager
errChan chan error
}
//Scrape prometheue monitor metrics
//step1: docker log monitor
//step2: event message monitor
//step3: monitor message monitor
func (s *storeManager) Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error {
s.dockerLogStore.Scrape(ch, namespace, exporter, from)
s.handleMessageStore.Scrape(ch, namespace, exporter, from)
s.monitorMessageStore.Scrape(ch, namespace, exporter, from)
chanDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, exporter, "chan_cache_size"),
"the handle chan cache size.",
[]string{"from", "chan"}, nil,
)
ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.dockerLogChan)), from, "container_log")
ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.monitorMessageChan)), from, "monitor_message")
ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.receiveChan)), from, "event_message")
return nil
}
func (s *storeManager) Monitor() []db.MonitorData {
data := s.dockerLogStore.GetMonitorData()
moData := s.monitorMessageStore.GetMonitorData()
if moData != nil {
data.LogSizePeerM += moData.LogSizePeerM
data.ServiceSize += moData.ServiceSize
}
re := []db.MonitorData{*data}
dataHand := s.handleMessageStore.GetMonitorData()
if dataHand != nil {
re = append(re, *dataHand)
data.LogSizePeerM += dataHand.LogSizePeerM
data.ServiceSize += dataHand.ServiceSize
}
return re
}
func (s *storeManager) ReceiveMessageChan() chan []byte {
if s.receiveChan == nil {
s.receiveChan = make(chan []byte, 300)
}
return s.receiveChan
}
func (s *storeManager) SubMessageChan() chan [][]byte {
if s.subChan == nil {
s.subChan = make(chan [][]byte, 300)
}
return s.subChan
}
func (s *storeManager) PubMessageChan() chan [][]byte {
if s.pubChan == nil {
s.pubChan = make(chan [][]byte, 300)
}
return s.pubChan
}
func (s *storeManager) DockerLogMessageChan() chan []byte {
if s.dockerLogChan == nil {
s.dockerLogChan = make(chan []byte, 2048)
}
return s.dockerLogChan
}
func (s *storeManager) MonitorMessageChan() chan [][]byte {
if s.monitorMessageChan == nil {
s.monitorMessageChan = make(chan [][]byte, 100)
}
return s.monitorMessageChan
}
func (s *storeManager) WebSocketMessageChan(mode, eventID, subID string) chan *db.EventLogMessage {
if mode == "event" {
ch := s.readMessageStore.SubChan(eventID, subID)
return ch
}
if mode == "docker" {
ch := s.dockerLogStore.SubChan(eventID, subID)
return ch
}
if mode == "monitor" {
ch := s.monitorMessageStore.SubChan(eventID, subID)
return ch
}
return nil
}
func (s *storeManager) Run() error {
s.log.Info("event message store manager start")
s.handleMessageStore.Run()
s.readMessageStore.Run()
s.dockerLogStore.Run()
s.monitorMessageStore.Run()
for i := 0; i < s.conf.HandleMessageCoreNumber; i++ {
go s.handleReceiveMessage()
}
for i := 0; i < s.conf.HandleSubMessageCoreNumber; i++ {
go s.handleSubMessage()
}
for i := 0; i < s.conf.HandleDockerLogCoreNumber; i++ {
go s.handleDockerLog()
}
for i := 0; i < s.conf.HandleMessageCoreNumber; i++ {
go s.handleMonitorMessage()
}
return nil
}
func (s *storeManager) checkHealth() {
}
func (s *storeManager) parsingMessage(msg []byte, messageType string) (*db.EventLogMessage, error) {
if msg == nil {
return nil, errors.New("Unable parsing nil message")
}
//message := s.pool.Get().(*db.EventLogMessage)不能使用对象池,会阻塞进程
var message db.EventLogMessage
message.Content = msg
if messageType == "json" {
err := ffjson.Unmarshal(msg, &message)
if err != nil {
return &message, err
}
if message.EventID == "" {
return &message, errors.New("Are not present in the message event_id.")
}
return &message, nil
}
return nil, errors.New("Unable to process configuration of message format type.")
}
func (s *storeManager) handleReceiveMessage() {
s.log.Debug("event message store manager start handle receive message")
loop:
for {
select {
case <-s.context.Done():
return
case msg, ok := <-s.receiveChan:
if !ok {
s.log.Error("handle receive message core stop. receive chan closed")
break loop
}
if msg == nil {
s.log.Debug("handle receive message core stop.")
continue
}
//s.log.Debugf("receive message %s", string(message.Content))
if s.conf.ClusterMode {
//消息直接集群共享
s.pubChan <- [][]byte{[]byte(db.EventMessage), msg}
}
message, err := s.parsingMessage(msg, s.conf.MessageType)
if err != nil {
s.log.Error("parsing the message before insert message error.", err.Error())
if message != nil {
s.handleMessageStore.InsertGarbageMessage(message)
}
continue
}
//s.log.Debug("Receive Message:", string(message.Content))
s.handleMessageStore.InsertMessage(message)
s.readMessageStore.InsertMessage(message)
}
}
s.errChan <- fmt.Errorf("handle monitor log core exist")
}
func (s *storeManager) handleSubMessage() {
s.log.Debug("event message store manager start handle sub message")
for {
select {
case <-s.context.Done():
return
case msg, ok := <-s.subChan:
if !ok {
s.log.Debug("handle sub message core stop.receive chan closed")
return
}
if msg == nil {
continue
}
if len(msg) == 2 {
//s.log.Debugf("receive sub message %s", string(msg))
message, err := s.parsingMessage(msg[1], s.conf.MessageType)
if err != nil {
s.log.Error("parsing the message before insert message error.", err.Error())
continue
}
if string(msg[0]) == string(db.EventMessage) {
s.readMessageStore.InsertMessage(message)
}
if string(msg[0]) == string(db.ServiceMonitorMessage) {
s.monitorMessageStore.InsertMessage(message)
}
}
}
}
}
type containerLog struct {
ContainerID string `json:"container_id"`
ServiceID string `json:"service_id"`
Msg string `json:"msg"`
Time json.RawMessage `json:"time"`
}
func (s *storeManager) handleDockerLog() {
s.log.Debug("event message store manager start handle docker container log message")
loop:
for {
select {
case <-s.context.Done():
return
case m, ok := <-s.dockerLogChan:
if !ok {
s.log.Error("handle docker log message core stop.docker log chan closed")
break loop
}
if m == nil {
continue
}
if len(m) < 47 {
continue
}
containerID := m[0:12] //0-12
serviceID := string(m[13:45]) //13-45
log := m[45:]
buffer := bytes.NewBuffer(containerID)
buffer.WriteString(":")
buffer.Write(log)
message := db.EventLogMessage{
Message: buffer.String(),
Content: buffer.Bytes(),
EventID: serviceID,
}
//s.log.Debug("Receive docker log:", info)
s.dockerLogStore.InsertMessage(&message)
buffer.Reset()
}
}
s.errChan <- fmt.Errorf("handle docker log core exist")
}
type event struct {
Name string `json:"name"`
Data []interface{} `json:"data"`
Update string `json:"update_time"`
}
func (s *storeManager) handleMonitorMessage() {
loop:
for {
select {
case <-s.context.Done():
return
case msg, ok := <-s.monitorMessageChan:
if !ok {
s.log.Error("handle monitor message core stop.monitor message log chan closed")
break loop
}
if msg == nil {
continue
}
if len(msg) == 2 {
message := strings.SplitAfterN(string(msg[1]), " ", 5)
name := message[3]
body := message[4]
var currentTopic string
var data []interface{}
switch strings.TrimSpace(name) {
case "SumTimeByUrl":
result := gjson.Parse(body).Array()
for _, r := range result {
var port int
if p, ok := r.Map()["port"]; ok {
port = int(p.Int())
}
wsTopic := fmt.Sprintf("%s.%s.statistic", r.Map()["tenant"], r.Map()["service"])
if port != 0 {
wsTopic = fmt.Sprintf("%s.%s.%d.statistic", r.Map()["tenant"], r.Map()["service"], port)
}
if currentTopic == "" {
currentTopic = wsTopic
}
if wsTopic == currentTopic {
data = append(data, util.Format(r.Map()))
} else {
s.sendMonitorData("SumTimeByUrl", data, currentTopic)
currentTopic = wsTopic
data = []interface{}{util.Format(r.Map())}
}
}
s.sendMonitorData("SumTimeByUrl", data, currentTopic)
case "SumTimeBySql":
result := gjson.Parse(body).Array()
for _, r := range result {
tenantID := r.Map()["tenant_id"].String()
serviceID := r.Map()["service_id"].String()
if len(tenantID) < 12 || len(serviceID) < 12 {
continue
}
tenantAlias := tenantID[len(tenantID)-12:]
serviceAlias := serviceID[len(serviceID)-12:]
wsTopic := fmt.Sprintf("%s.%s.statistic", tenantAlias, serviceAlias)
if currentTopic == "" {
currentTopic = wsTopic
}
if wsTopic == currentTopic {
data = append(data, util.Format(r.Map()))
} else {
s.sendMonitorData("SumTimeBySql", data, currentTopic)
currentTopic = wsTopic
data = []interface{}{util.Format(r.Map())}
}
}
s.sendMonitorData("SumTimeBySql", data, currentTopic)
}
}
}
}
s.errChan <- fmt.Errorf("handle monitor log core exist")
}
func (s *storeManager) sendMonitorData(name string, data []interface{}, topic string) {
e := event{
Name: name,
Update: time.Now().Format(time.Kitchen),
Data: data,
}
eventByte, _ := json.Marshal(e)
m := &db.EventLogMessage{
EventID: topic,
MonitorData: eventByte,
}
s.monitorMessageStore.InsertMessage(m)
d, err := json.Marshal(m)
if err != nil {
s.log.Error("Marshal monitor message to byte error.", err.Error())
return
}
s.pubChan <- [][]byte{[]byte(db.ServiceMonitorMessage), d}
}
func (s *storeManager) RealseWebSocketMessageChan(mode string, eventID, subID string) {
if mode == "event" {
s.readMessageStore.RealseSubChan(eventID, subID)
}
if mode == "docker" {
s.dockerLogStore.RealseSubChan(eventID, subID)
}
if mode == "monitor" {
s.monitorMessageStore.RealseSubChan(eventID, subID)
}
}
func (s *storeManager) Stop() {
s.handleMessageStore.stop()
s.readMessageStore.stop()
s.dockerLogStore.stop()
s.monitorMessageStore.stop()
s.cancel()
if s.filePlugin != nil {
s.filePlugin.Close()
}
if s.dbPlugin != nil {
s.dbPlugin.Close()
}
s.log.Info("Stop the store manager.")
}
func (s *storeManager) Error() chan error {
return s.errChan
}