Rainbond/monitor/callback/eventlog.go
2020-11-25 16:39:38 +08:00

88 lines
2.4 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 (
"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()),
},
},
},
},
}
}