Make config optional
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16048c1399
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da28c460c8
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@ -22,7 +22,7 @@ import (
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const subsystem = "exporter"
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var (
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configFile = flag.String("config", "node_exporter.conf", "Path to config file.")
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configFile = flag.String("config", "", "Path to config file.")
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memProfile = flag.String("memprofile", "", "Write memory profile to this file.")
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listeningAddress = flag.String("listen", ":8080", "Address to listen on.")
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enabledCollectors = flag.String("enabledCollectors", "attributes,diskstats,filesystem,loadavg,meminfo,stat,time,netdev,netstat", "Comma-separated list of collectors to use.")
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@ -112,9 +112,13 @@ func getConfig(file string) (*collector.Config, error) {
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func loadCollectors(file string) (map[string]collector.Collector, error) {
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collectors := map[string]collector.Collector{}
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config, err := getConfig(file)
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if err != nil {
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return nil, fmt.Errorf("couldn't read config %s: %s", file, err)
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config := &collector.Config{}
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if file != "" {
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var err error
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config, err = getConfig(file)
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if err != nil {
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return nil, fmt.Errorf("couldn't read config %s: %s", file, err)
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}
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}
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for _, name := range strings.Split(*enabledCollectors, ",") {
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fn, ok := collector.Factories[name]
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