forked from goodrain/rainbond
/
monitor_message_store.go
150 lines (136 loc) · 4.11 KB
/
monitor_message_store.go
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// 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 (
"sync"
"time"
"github.com/goodrain/rainbond/pkg/eventlog/conf"
"github.com/goodrain/rainbond/pkg/eventlog/db"
"golang.org/x/net/context"
"github.com/Sirupsen/logrus"
"github.com/prometheus/client_golang/prometheus"
)
type monitorMessageStore struct {
conf conf.EventStoreConf
log *logrus.Entry
barrels map[string]*monitorMessageBarrel
lock sync.RWMutex
cancel func()
ctx context.Context
pool *sync.Pool
size int64
allLogCount float64
}
func (h *monitorMessageStore) Scrape(ch chan<- prometheus.Metric, namespace, exporter, from string) error {
chanDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, exporter, "monitor_store_barrel_count"),
"the handle container log count size.",
[]string{"from"}, nil,
)
ch <- prometheus.MustNewConstMetric(chanDesc, prometheus.GaugeValue, float64(len(h.barrels)), from)
logDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, exporter, "monitor_store_log_count"),
"the handle monitor log count size.",
[]string{"from"}, nil,
)
ch <- prometheus.MustNewConstMetric(logDesc, prometheus.GaugeValue, h.allLogCount, from)
return nil
}
func (h *monitorMessageStore) insertMessage(message *db.EventLogMessage) bool {
h.lock.RLock()
defer h.lock.RUnlock()
if ba, ok := h.barrels[message.EventID]; ok {
ba.insertMessage(message)
return true
}
return false
}
func (h *monitorMessageStore) InsertMessage(message *db.EventLogMessage) {
if message == nil || message.EventID == "" {
return
}
//h.log.Debug("Receive a monitor message:" + string(message.Content))
h.size++
h.allLogCount++
if h.insertMessage(message) {
return
}
h.lock.Lock()
defer h.lock.Unlock()
ba := h.pool.Get().(*monitorMessageBarrel)
ba.insertMessage(message)
h.barrels[message.EventID] = ba
}
func (h *monitorMessageStore) GetMonitorData() *db.MonitorData {
data := &db.MonitorData{
ServiceSize: len(h.barrels),
LogSizePeerM: h.size,
}
return data
}
func (h *monitorMessageStore) SubChan(eventID, subID string) chan *db.EventLogMessage {
h.lock.Lock()
defer h.lock.Unlock()
if ba, ok := h.barrels[eventID]; ok {
return ba.addSubChan(subID)
}
ba := h.pool.Get().(*monitorMessageBarrel)
h.barrels[eventID] = ba
return ba.addSubChan(subID)
}
func (h *monitorMessageStore) RealseSubChan(eventID, subID string) {
h.lock.RLock()
defer h.lock.RUnlock()
if ba, ok := h.barrels[eventID]; ok {
ba.delSubChan(subID)
}
}
func (h *monitorMessageStore) Run() {
go h.Gc()
}
func (h *monitorMessageStore) Gc() {
tiker := time.NewTicker(time.Second * 30)
for {
select {
case <-tiker.C:
case <-h.ctx.Done():
h.log.Debug("read message store gc stop.")
tiker.Stop()
return
}
h.size = 0
if len(h.barrels) == 0 {
continue
}
var gcEvent []string
for k, v := range h.barrels {
if v.updateTime.Add(time.Minute * 3).Before(time.Now()) { // barrel 超时未收到消息
gcEvent = append(gcEvent, k)
}
}
if gcEvent != nil && len(gcEvent) > 0 {
for _, id := range gcEvent {
barrel := h.barrels[id]
barrel.empty()
h.pool.Put(barrel) //放回对象池
delete(h.barrels, id)
}
}
}
}
func (h *monitorMessageStore) stop() {
h.cancel()
}
func (h *monitorMessageStore) InsertGarbageMessage(message ...*db.EventLogMessage) {}