/
environment_collector.go
103 lines (84 loc) · 2.69 KB
/
environment_collector.go
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package environment
import (
"strings"
"github.com/czerwonk/junos_exporter/collector"
"github.com/czerwonk/junos_exporter/rpc"
"github.com/prometheus/client_golang/prometheus"
)
const prefix string = "junos_environment_"
var (
temperaturesDesc *prometheus.Desc
powerSupplyDesc *prometheus.Desc
)
func init() {
l := []string{"target", "item"}
temperaturesDesc = prometheus.NewDesc(prefix+"item_temp", "Temperature of the air flowing past", l, nil)
l = append(l, "status")
powerSupplyDesc = prometheus.NewDesc(prefix+"power_up", "Status of power supplies (1 OK, 2 Testing, 3 Failed, 4 Absent)", l, nil)
}
type environmentCollector struct {
}
// NewCollector creates a new collector
func NewCollector() collector.RPCCollector {
return &environmentCollector{}
}
// Describe describes the metrics
func (*environmentCollector) Describe(ch chan<- *prometheus.Desc) {
ch <- temperaturesDesc
}
// Collect collects metrics from JunOS
func (c *environmentCollector) Collect(client *rpc.Client, ch chan<- prometheus.Metric, labelValues []string) error {
tempItems, powerItems, err := c.environmentItems(client)
if err != nil {
return err
}
for _, item := range tempItems {
l := append(labelValues, item.Name)
ch <- prometheus.MustNewConstMetric(temperaturesDesc, prometheus.GaugeValue, item.Temperature, l...)
}
statusValues := map[string]int{
"OK": 1,
"Testing": 2,
"Failed": 3,
"Absent": 4,
}
for _, item := range powerItems {
l := append(labelValues, item.Name, item.Status)
ch <- prometheus.MustNewConstMetric(powerSupplyDesc, prometheus.GaugeValue, float64(statusValues[item.Status]), l...)
}
return nil
}
func (c *environmentCollector) environmentItems(client *rpc.Client) ([]*temperatureItem, []*powerItem, error) {
var x = EnvironmentRpc{}
err := client.RunCommandAndParse("show chassis environment", &x)
if err != nil {
return nil, nil, err
}
// remove duplicates
temperatureList := make(map[string]float64)
powersupplyList := make(map[string]string)
for _, item := range x.Information.Items {
if strings.Contains(item.Name, "Power Supply") || strings.Contains(item.Name, "PEM") {
powersupplyList[item.Name] = item.Status
} else if item.Temperature != nil {
temperatureList[item.Name] = float64(item.Temperature.Value)
}
}
temperatureItems := make([]*temperatureItem, 0)
for name, value := range temperatureList {
i := &temperatureItem{
Name: name,
Temperature: value,
}
temperatureItems = append(temperatureItems, i)
}
powerItems := make([]*powerItem, 0)
for name, value := range powersupplyList {
i := &powerItem{
Name: name,
Status: value,
}
powerItems = append(powerItems, i)
}
return temperatureItems, powerItems, nil
}