diff --git a/prog/main.go b/prog/main.go index 7d72262b1..61ede6ab2 100644 --- a/prog/main.go +++ b/prog/main.go @@ -302,7 +302,7 @@ func setupFlags(flags *flags) { flag.StringVar(&flags.probe.dockerBridge, "probe.docker.bridge", "docker0", "the docker bridge name") // K8s - flag.BoolVar(&flags.probe.kubernetesEnabled, "probe.kubernetes", false, "collect kubernetes-related attributes for containers, should only be enabled on the master node") + flag.BoolVar(&flags.probe.kubernetesEnabled, "probe.kubernetes", false, "collect kubernetes-related attributes for containers") flag.DurationVar(&flags.probe.kubernetesClientConfig.Interval, "probe.kubernetes.interval", 10*time.Second, "how often to do a full resync of the kubernetes data") flag.StringVar(&flags.probe.kubernetesClientConfig.Server, "probe.kubernetes.api", "", "The address and port of the Kubernetes API server (deprecated in favor of equivalent probe.kubernetes.server)") flag.StringVar(&flags.probe.kubernetesClientConfig.CertificateAuthority, "probe.kubernetes.certificate-authority", "", "Path to a cert. file for the certificate authority") @@ -428,6 +428,11 @@ func main() { } } + // Node name may be set by environment variable, e.g. from the Kubernetes downward API + if flags.probe.kubernetesNodeName == "" { + flags.probe.kubernetesNodeName = os.Getenv("KUBERNETES_NODENAME") + } + if flags.dryRun { return }