Make config optional

This commit is contained in:
Johannes 'fish' Ziemke 2014-12-18 12:25:02 +01:00
parent 16048c1399
commit da28c460c8
1 changed files with 8 additions and 4 deletions

View File

@ -22,7 +22,7 @@ import (
const subsystem = "exporter"
var (
configFile = flag.String("config", "node_exporter.conf", "Path to config file.")
configFile = flag.String("config", "", "Path to config file.")
memProfile = flag.String("memprofile", "", "Write memory profile to this file.")
listeningAddress = flag.String("listen", ":8080", "Address to listen on.")
enabledCollectors = flag.String("enabledCollectors", "attributes,diskstats,filesystem,loadavg,meminfo,stat,time,netdev,netstat", "Comma-separated list of collectors to use.")
@ -112,9 +112,13 @@ func getConfig(file string) (*collector.Config, error) {
func loadCollectors(file string) (map[string]collector.Collector, error) {
collectors := map[string]collector.Collector{}
config, err := getConfig(file)
if err != nil {
return nil, fmt.Errorf("couldn't read config %s: %s", file, err)
config := &collector.Config{}
if file != "" {
var err error
config, err = getConfig(file)
if err != nil {
return nil, fmt.Errorf("couldn't read config %s: %s", file, err)
}
}
for _, name := range strings.Split(*enabledCollectors, ",") {
fn, ok := collector.Factories[name]