Rainbond/monitor/callback/api.go

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// 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 (
"os"
"time"
"github.com/goodrain/rainbond/discover"
"github.com/goodrain/rainbond/discover/config"
"github.com/goodrain/rainbond/monitor/prometheus"
"github.com/prometheus/common/model"
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"github.com/sirupsen/logrus"
)
//RbdAPI rbd api metrics
type RbdAPI struct {
discover.Callback
Prometheus *prometheus.Manager
sortedEndpoints []string
}
//UpdateEndpoints update endpoint
func (b *RbdAPI) UpdateEndpoints(endpoints ...*config.Endpoint) {
scrape := b.toScrape()
b.Prometheus.UpdateScrape(scrape)
}
//Error handle error
func (b *RbdAPI) Error(err error) {
logrus.Error(err)
}
//Name name
func (b *RbdAPI) Name() string {
return "rbdapi"
}
func (b *RbdAPI) toScrape() *prometheus.ScrapeConfig {
ts := make([]string, 0, len(b.sortedEndpoints))
for _, end := range b.sortedEndpoints {
ts = append(ts, end)
}
namespace := os.Getenv("NAMESPACE")
return &prometheus.ScrapeConfig{
JobName: b.Name(),
ScrapeInterval: model.Duration(time.Minute),
ScrapeTimeout: model.Duration(30 * time.Second),
MetricsPath: "/metrics",
HonorLabels: true,
ServiceDiscoveryConfig: prometheus.ServiceDiscoveryConfig{
KubernetesSDConfigs: []*prometheus.SDConfig{
&prometheus.SDConfig{
Role: prometheus.RoleEndpoint,
NamespaceDiscovery: prometheus.NamespaceDiscovery{
Names: []string{namespace},
},
Selectors: []prometheus.SelectorConfig{
prometheus.SelectorConfig{
Role: prometheus.RoleEndpoint,
Field: "metadata.name=rbd-api-api-inner",
},
},
},
},
},
}
}