/
monitor.go
80 lines (70 loc) · 2.63 KB
/
monitor.go
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// RAINBOND, Application Management Platform
// Copyright (C) 2014-2019 Goodrain Co., Ltd.
// 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 node
import (
"strconv"
"time"
"github.com/goodrain/rainbond/node/nodem/client"
"github.com/prometheus/client_golang/prometheus"
)
var (
namespace = "rainbond"
scrapeDurationDesc = prometheus.NewDesc(
prometheus.BuildFQName(namespace, "cluster", "collector_duration_seconds"),
"cluster_exporter: Duration of a collector scrape.",
[]string{},
nil,
)
nodeStatus = prometheus.NewDesc(
prometheus.BuildFQName(namespace, "cluster", "node_health"),
"node_health: Rainbond node health status.",
[]string{"node_id", "node_ip", "status", "healthy"},
nil,
)
componentStatus = prometheus.NewDesc(
prometheus.BuildFQName(namespace, "cluster", "component_health"),
"component_health: Rainbond node component health status.",
[]string{"node_id", "node_ip", "component"},
nil,
)
)
//Collect prometheus collect
func (n *Cluster) Collect(ch chan<- prometheus.Metric) {
begin := time.Now()
for _, node := range n.GetAllNode() {
ch <- prometheus.MustNewConstMetric(nodeStatus, prometheus.GaugeValue, func() float64 {
if node.Status == client.Running && node.NodeStatus.NodeHealth {
return 0
}
return 1
}(), node.ID, node.InternalIP, node.Status, strconv.FormatBool(node.NodeStatus.NodeHealth))
for _, con := range node.NodeStatus.Conditions {
ch <- prometheus.MustNewConstMetric(componentStatus, prometheus.GaugeValue, func() float64 {
if con.Status == client.ConditionTrue {
return 0
}
return 1
}(), node.ID, node.InternalIP, string(con.Type))
}
}
duration := time.Since(begin)
ch <- prometheus.MustNewConstMetric(scrapeDurationDesc, prometheus.GaugeValue, duration.Seconds())
}
//Describe prometheus describe
func (n *Cluster) Describe(ch chan<- *prometheus.Desc) {
ch <- scrapeDurationDesc
ch <- nodeStatus
ch <- componentStatus
}