From c8084fc0ef5555fb876791dc339c2d667afb1808 Mon Sep 17 00:00:00 2001 From: Frank Mai Date: Tue, 16 Apr 2019 22:30:16 +0800 Subject: [PATCH] Patch the warning for node exporter port --- .../v2.x/en/cluster-admin/tools/monitoring/prometheus/_index.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/content/rancher/v2.x/en/cluster-admin/tools/monitoring/prometheus/_index.md b/content/rancher/v2.x/en/cluster-admin/tools/monitoring/prometheus/_index.md index b4fac99a95b..0f667bcd1a6 100644 --- a/content/rancher/v2.x/en/cluster-admin/tools/monitoring/prometheus/_index.md +++ b/content/rancher/v2.x/en/cluster-admin/tools/monitoring/prometheus/_index.md @@ -28,6 +28,8 @@ The [node exporter](https://github.com/prometheus/node_exporter/blob/master/READ When configuring Prometheus and enabling the node exporter, enter a host port in the **Node Exporter Host Port** that will not produce port conflicts with existing applications. The host port chosen must be open to allow internal traffic between Prometheus and the Node Exporter. +>**Warning:** In order for Prometheus to collect the metrics of the node exporter, after enabling cluster monitoring, you must open the **Node Exporter Host Port** in the host firewall rules to allow intranet access. By default, `9796` is used as that host port. + ## Persistent Storage >**Prerequisite:** Configure one or more [storage class]({{< baseurl >}}/rancher/v2.x/en/cluster-admin/volumes-and-storage/#adding-storage-classes) to use as [persistent storage]({{< baseurl >}}/rancher/v2.x/en/cluster-admin/volumes-and-storage/) for your Prometheus or Grafana pod.