mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-05 05:07:38 +08:00
522 lines
15 KiB
Go
522 lines
15 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
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// RAINBOND, Application Management Platform
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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 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. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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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 General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package store
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import (
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"errors"
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"strconv"
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"github.com/goodrain/rainbond/eventlog/db"
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coreutil "github.com/goodrain/rainbond/util"
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"github.com/goodrain/rainbond/eventlog/conf"
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"time"
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"strings"
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"fmt"
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"encoding/json"
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"bytes"
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"context"
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"os"
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"path/filepath"
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"github.com/Sirupsen/logrus"
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"github.com/pquerna/ffjson/ffjson"
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"github.com/prometheus/client_golang/prometheus"
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)
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//Manager 存储管理器
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type Manager interface {
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ReceiveMessageChan() chan []byte
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SubMessageChan() chan [][]byte
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PubMessageChan() chan [][]byte
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DockerLogMessageChan() chan []byte
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MonitorMessageChan() chan [][]byte
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WebSocketMessageChan(mode, eventID, subID string) chan *db.EventLogMessage
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NewMonitorMessageChan() chan []byte
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RealseWebSocketMessageChan(mode, EventID, subID string)
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Run() error
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Stop()
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Monitor() []db.MonitorData
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Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error
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Error() chan error
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HealthCheck() map[string]string
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}
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//NewManager 存储管理器
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func NewManager(conf conf.EventStoreConf, log *logrus.Entry) (Manager, error) {
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conf.DB.Type = "eventfile"
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dbPlugin, err := db.NewManager(conf.DB, log)
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if err != nil {
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return nil, err
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}
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conf.DB.Type = "file"
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filePlugin, err := db.NewManager(conf.DB, log)
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if err != nil {
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return nil, err
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}
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ctx, cancel := context.WithCancel(context.Background())
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storeManager := &storeManager{
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cancel: cancel,
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context: ctx,
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conf: conf,
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log: log,
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receiveChan: make(chan []byte, 300),
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subChan: make(chan [][]byte, 300),
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pubChan: make(chan [][]byte, 300),
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dockerLogChan: make(chan []byte, 2048),
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monitorMessageChan: make(chan [][]byte, 100),
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newmonitorMessageChan: make(chan []byte, 2048),
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chanCacheSize: 100,
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dbPlugin: dbPlugin,
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filePlugin: filePlugin,
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errChan: make(chan error),
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}
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handle := NewStore("handle", storeManager)
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read := NewStore("read", storeManager)
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docker := NewStore("docker_log", storeManager)
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newmonitor := NewStore("newmonitor", storeManager)
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storeManager.handleMessageStore = handle
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storeManager.readMessageStore = read
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storeManager.dockerLogStore = docker
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storeManager.newmonitorMessageStore = newmonitor
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return storeManager, nil
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}
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type storeManager struct {
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cancel func()
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context context.Context
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handleMessageStore MessageStore
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readMessageStore MessageStore
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dockerLogStore MessageStore
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newmonitorMessageStore MessageStore
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receiveChan chan []byte
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pubChan, subChan chan [][]byte
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dockerLogChan chan []byte
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monitorMessageChan chan [][]byte
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newmonitorMessageChan chan []byte
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chanCacheSize int
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conf conf.EventStoreConf
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log *logrus.Entry
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dbPlugin db.Manager
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filePlugin db.Manager
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errChan chan error
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}
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func (s *storeManager) HealthCheck() map[string]string {
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receiveChan := len(s.receiveChan) == 300
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pubChan := len(s.pubChan) == 300
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subChan := len(s.subChan) == 300
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dockerLogChan := len(s.dockerLogChan) == 2048
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monitorMessageChan := len(s.monitorMessageChan) == 100
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newmonitorMessageChan := len(s.newmonitorMessageChan) == 2048
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if receiveChan || pubChan || subChan || dockerLogChan || monitorMessageChan || newmonitorMessageChan {
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return map[string]string{"status": "unusual", "info": "channel blockage"}
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}
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return map[string]string{"status": "health", "info": "eventlog service health"}
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}
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//Scrape prometheue monitor metrics
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//step1: docker log monitor
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//step2: event message monitor
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//step3: monitor message monitor
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var healthStatus float64
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func (s *storeManager) Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error {
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s.dockerLogStore.Scrape(ch, namespace, exporter, from)
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s.handleMessageStore.Scrape(ch, namespace, exporter, from)
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s.newmonitorMessageStore.Scrape(ch, namespace, exporter, from)
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chanDesc := prometheus.NewDesc(
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prometheus.BuildFQName(namespace, exporter, "chan_cache_size"),
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"the handle chan cache size.",
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[]string{"from", "chan"}, nil,
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)
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var healthDesc = prometheus.NewDesc(
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prometheus.BuildFQName(namespace, exporter, "health_status"),
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"health status.",
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[]string{"service_name"}, nil,
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)
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healthInfo := s.HealthCheck()
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if healthInfo["status"] == "health" {
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healthStatus = 1
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} else {
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healthStatus = 0
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}
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ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.dockerLogChan)), from, "container_log")
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ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.monitorMessageChan)), from, "monitor_message")
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ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(s.receiveChan)), from, "event_message")
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ch <- prometheus.MustNewConstMetric(healthDesc, prometheus.GaugeValue, healthStatus, "eventlog")
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return nil
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}
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func (s *storeManager) Monitor() []db.MonitorData {
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data := s.dockerLogStore.GetMonitorData()
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moData := s.newmonitorMessageStore.GetMonitorData()
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if moData != nil {
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data.LogSizePeerM += moData.LogSizePeerM
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data.ServiceSize += moData.ServiceSize
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}
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re := []db.MonitorData{*data}
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dataHand := s.handleMessageStore.GetMonitorData()
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if dataHand != nil {
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re = append(re, *dataHand)
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data.LogSizePeerM += dataHand.LogSizePeerM
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data.ServiceSize += dataHand.ServiceSize
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}
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return re
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}
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func (s *storeManager) ReceiveMessageChan() chan []byte {
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if s.receiveChan == nil {
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s.receiveChan = make(chan []byte, 300)
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}
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return s.receiveChan
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}
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func (s *storeManager) SubMessageChan() chan [][]byte {
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if s.subChan == nil {
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s.subChan = make(chan [][]byte, 300)
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}
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return s.subChan
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}
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func (s *storeManager) PubMessageChan() chan [][]byte {
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if s.pubChan == nil {
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s.pubChan = make(chan [][]byte, 300)
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}
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return s.pubChan
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}
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func (s *storeManager) DockerLogMessageChan() chan []byte {
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if s.dockerLogChan == nil {
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s.dockerLogChan = make(chan []byte, 2048)
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}
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return s.dockerLogChan
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}
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func (s *storeManager) MonitorMessageChan() chan [][]byte {
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if s.monitorMessageChan == nil {
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s.monitorMessageChan = make(chan [][]byte, 100)
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}
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return s.monitorMessageChan
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}
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func (s *storeManager) NewMonitorMessageChan() chan []byte {
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if s.newmonitorMessageChan == nil {
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s.newmonitorMessageChan = make(chan []byte, 2048)
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}
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return s.newmonitorMessageChan
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}
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func (s *storeManager) WebSocketMessageChan(mode, eventID, subID string) chan *db.EventLogMessage {
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if mode == "event" {
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ch := s.readMessageStore.SubChan(eventID, subID)
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return ch
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}
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if mode == "docker" {
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ch := s.dockerLogStore.SubChan(eventID, subID)
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return ch
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}
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if mode == "newmonitor" {
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ch := s.newmonitorMessageStore.SubChan(eventID, subID)
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return ch
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}
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return nil
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}
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func (s *storeManager) Run() error {
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s.log.Info("event message store manager start")
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s.handleMessageStore.Run()
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s.readMessageStore.Run()
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s.dockerLogStore.Run()
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s.newmonitorMessageStore.Run()
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for i := 0; i < s.conf.HandleMessageCoreNumber; i++ {
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go s.handleReceiveMessage()
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}
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for i := 0; i < s.conf.HandleSubMessageCoreNumber; i++ {
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go s.handleSubMessage()
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}
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for i := 0; i < s.conf.HandleDockerLogCoreNumber; i++ {
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go s.handleDockerLog()
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}
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go s.handleNewMonitorMessage()
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go s.cleanLog()
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return nil
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}
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//cleanLog
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// clean service log that before 7 days in every 24h
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// clean event log that before 30 days message in every 24h
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func (s *storeManager) cleanLog() {
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coreutil.Exec(s.context, func() error {
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//do something
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pathname := s.conf.DB.HomePath
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logrus.Infof("start clean history service log %s", pathname)
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files, err := coreutil.GetFileList(pathname, 2)
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if err != nil {
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logrus.Error("list log dir error, ", err.Error())
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} else {
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for _, fi := range files {
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if !strings.Contains(fi, "eventlog") {
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if err := s.deleteFile(fi); err != nil {
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logrus.Errorf("delete log file %s error. %s", fi, err.Error())
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}
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}
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}
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}
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return nil
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}, time.Hour*24)
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}
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func (s *storeManager) deleteFile(filename string) error {
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now := time.Now()
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if strings.HasSuffix(filename, "stdout.log") {
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return nil
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}
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name := filepath.Base(filename)
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lis := strings.Split(name, ".")
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if len(lis) < 1 {
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return errors.New("file name format error")
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}
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date := lis[0]
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loc, _ := time.LoadLocation("Local")
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theTime, err := time.ParseInLocation("2006-1-2", date, loc)
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if err != nil {
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return err
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}
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saveDay, _ := strconv.Atoi(os.Getenv("DOCKER_LOG_SAVE_DAY"))
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if saveDay == 0 {
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saveDay = 7
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}
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if now.After(theTime.Add(time.Duration(saveDay) * time.Hour * 24)) {
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if err := os.Remove(filename); err != nil {
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if !strings.Contains(err.Error(), "No such file or directory") {
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return err
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}
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}
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logrus.Debugf("clean service log %s", filename)
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}
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return nil
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}
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func (s *storeManager) checkHealth() {
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}
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func (s *storeManager) parsingMessage(msg []byte, messageType string) (*db.EventLogMessage, error) {
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if msg == nil {
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return nil, errors.New("unable parsing nil message")
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}
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//message := s.pool.Get().(*db.EventLogMessage)不能使用对象池，会阻塞进程
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var message db.EventLogMessage
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message.Content = msg
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if messageType == "json" {
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err := ffjson.Unmarshal(msg, &message)
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if err != nil {
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return &message, err
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}
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if message.EventID == "" {
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return &message, errors.New("are not present in the message event_id")
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}
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return &message, nil
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}
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return nil, errors.New("unable to process configuration of message format type")
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}
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//handleNewMonitorMessage 处理新监控数据
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func (s *storeManager) handleNewMonitorMessage() {
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loop:
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for {
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select {
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case <-s.context.Done():
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return
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case msg, ok := <-s.newmonitorMessageChan:
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if !ok {
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s.log.Error("handle new monitor message core stop.monitor message log chan closed")
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break loop
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}
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if msg == nil {
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continue
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}
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//s.log.Debugf("receive message %s", string(message.Content))
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if s.conf.ClusterMode {
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//消息直接集群共享
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s.pubChan <- [][]byte{[]byte(db.ServiceNewMonitorMessage), msg}
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}
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s.newmonitorMessageStore.InsertMessage(&db.EventLogMessage{MonitorData: msg})
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}
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}
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s.errChan <- fmt.Errorf("handle monitor log core exist")
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}
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func (s *storeManager) handleReceiveMessage() {
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s.log.Debug("event message store manager start handle receive message")
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loop:
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for {
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select {
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case <-s.context.Done():
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return
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case msg, ok := <-s.receiveChan:
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if !ok {
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s.log.Error("handle receive message core stop. receive chan closed")
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break loop
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}
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if msg == nil {
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s.log.Debug("handle receive message core stop.")
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continue
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}
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//s.log.Debugf("receive message %s", string(message.Content))
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if s.conf.ClusterMode {
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//消息直接集群共享
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s.pubChan <- [][]byte{[]byte(db.EventMessage), msg}
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}
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message, err := s.parsingMessage(msg, s.conf.MessageType)
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if err != nil {
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s.log.Error("parsing the message before insert message error.", err.Error())
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if message != nil {
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s.handleMessageStore.InsertGarbageMessage(message)
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}
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continue
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}
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//s.log.Debug("Receive Message:", string(message.Content))
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s.handleMessageStore.InsertMessage(message)
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s.readMessageStore.InsertMessage(message)
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}
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}
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s.errChan <- fmt.Errorf("handle monitor log core exist")
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}
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func (s *storeManager) handleSubMessage() {
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s.log.Debug("event message store manager start handle sub message")
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for {
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select {
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case <-s.context.Done():
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return
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case msg, ok := <-s.subChan:
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if !ok {
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s.log.Debug("handle sub message core stop.receive chan closed")
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return
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}
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if msg == nil {
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continue
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}
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if len(msg) == 2 {
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if string(msg[0]) == string(db.ServiceNewMonitorMessage) {
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s.newmonitorMessageStore.InsertMessage(&db.EventLogMessage{MonitorData: msg[1]})
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continue
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}
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//s.log.Debugf("receive sub message %s", string(msg))
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message, err := s.parsingMessage(msg[1], s.conf.MessageType)
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if err != nil {
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s.log.Error("parsing the message before insert message error.", err.Error())
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continue
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}
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if string(msg[0]) == string(db.EventMessage) {
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s.readMessageStore.InsertMessage(message)
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}
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}
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}
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}
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}
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type containerLog struct {
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ContainerID string `json:"container_id"`
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ServiceID string `json:"service_id"`
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Msg string `json:"msg"`
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Time json.RawMessage `json:"time"`
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}
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func (s *storeManager) handleDockerLog() {
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s.log.Debug("event message store manager start handle docker container log message")
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loop:
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for {
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select {
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case <-s.context.Done():
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return
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case m, ok := <-s.dockerLogChan:
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if !ok {
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s.log.Error("handle docker log message core stop.docker log chan closed")
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break loop
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}
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if m == nil {
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continue
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}
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if len(m) < 47 {
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continue
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}
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containerID := m[0:12] //0-12
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serviceID := string(m[13:45]) //13-45
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log := m[45:]
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buffer := bytes.NewBuffer(containerID)
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buffer.WriteString(":")
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buffer.Write(log)
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message := db.EventLogMessage{
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Message: buffer.String(),
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Content: buffer.Bytes(),
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EventID: serviceID,
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}
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s.dockerLogStore.InsertMessage(&message)
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buffer.Reset()
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}
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}
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s.errChan <- fmt.Errorf("handle docker log core exist")
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}
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type event struct {
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Name string `json:"name"`
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Data []interface{} `json:"data"`
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Update string `json:"update_time"`
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}
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func (s *storeManager) RealseWebSocketMessageChan(mode string, eventID, subID string) {
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if mode == "event" {
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s.readMessageStore.RealseSubChan(eventID, subID)
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}
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if mode == "docker" {
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s.dockerLogStore.RealseSubChan(eventID, subID)
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}
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if mode == "newmonitor" {
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s.newmonitorMessageStore.RealseSubChan(eventID, subID)
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}
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}
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func (s *storeManager) Stop() {
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s.handleMessageStore.stop()
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s.readMessageStore.stop()
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s.dockerLogStore.stop()
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s.newmonitorMessageStore.stop()
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s.cancel()
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if s.filePlugin != nil {
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s.filePlugin.Close()
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}
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if s.dbPlugin != nil {
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s.dbPlugin.Close()
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}
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s.log.Info("Stop the store manager.")
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}
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func (s *storeManager) Error() chan error {
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return s.errChan
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}
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