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