// 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 . package callback import ( "time" "github.com/goodrain/rainbond/discover" "github.com/goodrain/rainbond/discover/config" "github.com/goodrain/rainbond/monitor/prometheus" "github.com/goodrain/rainbond/monitor/utils" "github.com/prometheus/common/model" "github.com/sirupsen/logrus" ) //EventLog event log type EventLog struct { discover.Callback Prometheus *prometheus.Manager sortedEndpoints []string } //UpdateEndpoints update endpoint func (e *EventLog) 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 *EventLog) Error(err error) { logrus.Error(err) } //Name name func (e *EventLog) Name() string { return "eventlog" } func (e *EventLog) 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(1 * time.Minute), ScrapeTimeout: model.Duration(30 * time.Second), MetricsPath: "/metrics", HonorLabels: true, ServiceDiscoveryConfig: prometheus.ServiceDiscoveryConfig{ StaticConfigs: []*prometheus.Group{ { Targets: ts, Labels: map[model.LabelName]model.LabelValue{ "service_name": model.LabelValue(e.Name()), "component": model.LabelValue(e.Name()), }, }, }, }, } }