mirror of
https://gitee.com/rainbond/Rainbond.git
synced 2024-12-02 19:57:42 +08:00
124 lines
3.3 KiB
Go
124 lines
3.3 KiB
Go
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
|
||
// RAINBOND, Application Management Platform
|
||
|
||
// 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 callback
|
||
|
||
import (
|
||
"github.com/Sirupsen/logrus"
|
||
"github.com/goodrain/rainbond/discover"
|
||
"github.com/goodrain/rainbond/discover/config"
|
||
"github.com/goodrain/rainbond/monitor/prometheus"
|
||
"github.com/goodrain/rainbond/util/watch"
|
||
"github.com/prometheus/common/model"
|
||
"github.com/tidwall/gjson"
|
||
"time"
|
||
"github.com/goodrain/rainbond/monitor/utils"
|
||
)
|
||
|
||
// App 指app运行时信息，来源于所有子节点上的node
|
||
// 127.0.0.1:6100/app/metrics
|
||
type App struct {
|
||
discover.Callback
|
||
Prometheus *prometheus.Manager
|
||
sortedEndpoints []string
|
||
|
||
endpoints []*config.Endpoint
|
||
}
|
||
|
||
func (e *App) UpdateEndpoints(endpoints ...*config.Endpoint) {
|
||
newArr := utils.TrimAndSort(endpoints)
|
||
|
||
if utils.ArrCompare(e.sortedEndpoints, newArr) {
|
||
logrus.Debugf("The endpoints is not modify: %s", e.Name())
|
||
return
|
||
}
|
||
|
||
e.sortedEndpoints = newArr
|
||
|
||
scrape := e.toScrape()
|
||
e.Prometheus.UpdateScrape(scrape)
|
||
}
|
||
|
||
func (e *App) Error(err error) {
|
||
logrus.Error(err)
|
||
}
|
||
|
||
func (e *App) Name() string {
|
||
return "app"
|
||
}
|
||
|
||
func (e *App) toScrape() *prometheus.ScrapeConfig {
|
||
ts := make([]string, 0, len(e.sortedEndpoints))
|
||
for _, end := range e.sortedEndpoints {
|
||
ts = append(ts, end)
|
||
}
|
||
|
||
return &prometheus.ScrapeConfig{
|
||
JobName: e.Name(),
|
||
ScrapeInterval: model.Duration(5 * time.Second),
|
||
ScrapeTimeout: model.Duration(4 * time.Second),
|
||
MetricsPath: "/app/metrics",
|
||
ServiceDiscoveryConfig: prometheus.ServiceDiscoveryConfig{
|
||
StaticConfigs: []*prometheus.Group{
|
||
{
|
||
Targets: ts,
|
||
Labels: map[model.LabelName]model.LabelValue{
|
||
"component": model.LabelValue(e.Name()),
|
||
},
|
||
},
|
||
},
|
||
},
|
||
}
|
||
}
|
||
|
||
func (e *App) AddEndpoint(end *config.Endpoint) {
|
||
e.endpoints = append(e.endpoints, end)
|
||
e.UpdateEndpoints(e.endpoints...)
|
||
}
|
||
|
||
func (e *App) Add(event *watch.Event) {
|
||
url := gjson.Get(event.GetValueString(), "external_ip").String() + ":6100"
|
||
end := &config.Endpoint{
|
||
URL: url,
|
||
}
|
||
|
||
e.AddEndpoint(end)
|
||
}
|
||
|
||
func (e *App) Modify(event *watch.Event) {
|
||
for i, end := range e.endpoints {
|
||
if end.URL == event.GetValueString() {
|
||
url := gjson.Get(event.GetValueString(), "external_ip").String() + ":6100"
|
||
e.endpoints[i].URL = url
|
||
e.UpdateEndpoints(e.endpoints...)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
func (e *App) Delete(event *watch.Event) {
|
||
for i, end := range e.endpoints {
|
||
url := gjson.Get(event.GetValueString(), "external_ip").String() + ":6100"
|
||
if end.URL == url {
|
||
e.endpoints = append(e.endpoints[:i], e.endpoints[i+1:]...)
|
||
e.UpdateEndpoints(e.endpoints...)
|
||
break
|
||
}
|
||
}
|
||
}
|