forked from munnerz/edgemax_exporter
/
main.go
80 lines (64 loc) · 2.67 KB
/
main.go
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// Command edgemax_exporter provides a Prometheus exporter for a Ubiquiti EdgeMAX
// Controller API and EdgeMAX devices.
package main
import (
"flag"
"log"
"net/http"
"time"
"github.com/charlieegan3/edgemax_exporter/pkg/edgemax"
"github.com/charlieegan3/edgemax_exporter/pkg/exporter"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
const (
// userAgent is ther user agent reported to the EdgeMAX Controller API.
userAgent = "github.com/mdlayher/edgemax_exporter"
)
var (
telemetryAddr = flag.String("telemetry.addr", ":9132", "host:port for EdgeMAX exporter")
metricsPath = flag.String("telemetry.path", "/metrics", "URL path for surfacing collected metrics")
edgemaxAddr = flag.String("edgemax.addr", "", "address of EdgeMAX Controller API")
username = flag.String("edgemax.username", "", "username for authentication against EdgeMAX Controller API")
password = flag.String("edgemax.password", "", "password for authentication against EdgeMAX Controller API")
insecure = flag.Bool("edgemax.insecure", false, "[optional] do not verify TLS certificate for EdgeMAX Controller API (warning: please use carefully)")
timeout = flag.Duration("edgemax.timeout", 5*time.Second, "[optional] timeout for EdgeMAX Controller API requests")
)
func main() {
flag.Parse()
if *edgemaxAddr == "" {
log.Fatal("address of EdgeMAX Controller API must be specified with '-edgemax.addr' flag")
}
if *username == "" {
log.Fatal("username to authenticate to EdgeMAX Controller API must be specified with '-edgemax.username' flag")
}
if *password == "" {
log.Fatal("password to authenticate to EdgeMAX Controller API must be specified with '-edgemax.password' flag")
}
httpClient := &http.Client{Timeout: *timeout}
if *insecure {
httpClient = edgemax.InsecureHTTPClient(*timeout)
}
c, err := edgemax.NewClient(*edgemaxAddr, httpClient)
if err != nil {
log.Fatalf("cannot create EdgeMAX Controller client: %v", err)
}
c.UserAgent = userAgent
if err := c.Login(*username, *password); err != nil {
log.Fatalf("failed to authenticate to EdgeMAX Controller: %v", err)
}
e, done, err := exporter.New(c)
if err != nil {
log.Fatalf("failed to create EdgeMAX exporter: %v", err)
}
defer done()
prometheus.MustRegister(e)
http.Handle(*metricsPath, promhttp.Handler())
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, *metricsPath, http.StatusMovedPermanently)
})
log.Printf("Starting EdgeMAX exporter on %q for device at %q", *telemetryAddr, *edgemaxAddr)
if err := http.ListenAndServe(*telemetryAddr, nil); err != nil {
log.Fatalf("cannot start EdgeMAX exporter: %s", err)
}
}