From 718e40f97c27f3c74ab9dc5f4c5aefad19ffe60e Mon Sep 17 00:00:00 2001
From: Markus Lehtonen <markus.lehtonen@intel.com>
Date: Fri, 4 Aug 2023 16:41:50 +0300
Subject: [PATCH] docs: document -metrics flag in command line reference

Document the -metrics command line flag in the command line reference of
nfd-master and nfd-worker.
---
 docs/reference/master-commandline-reference.md | 14 ++++++++++++++
 docs/reference/worker-commandline-reference.md | 14 ++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/docs/reference/master-commandline-reference.md b/docs/reference/master-commandline-reference.md
index c83b2d61be..381f3ee7f8 100644
--- a/docs/reference/master-commandline-reference.md
+++ b/docs/reference/master-commandline-reference.md
@@ -48,6 +48,20 @@ Example:
 nfd-master -port=443
 ```
 
+### -metrics
+
+The `-metrics` flag specifies the port on which to expose
+[Prometheus](https://prometheus.io/) metrics. Setting this to 0 disables the
+metrics server on nfd-master.
+
+Default: 8081
+
+Example:
+
+```bash
+nfd-master -metrics=12345
+```
+
 ### -instance
 
 The `-instance` flag makes it possible to run multiple NFD deployments in
diff --git a/docs/reference/worker-commandline-reference.md b/docs/reference/worker-commandline-reference.md
index e88f78f4a1..cbccf2ce9d 100644
--- a/docs/reference/worker-commandline-reference.md
+++ b/docs/reference/worker-commandline-reference.md
@@ -212,6 +212,20 @@ Example:
 nfd-worker -enable-nodefeature-api
 ```
 
+### -metrics
+
+The `-metrics` flag specifies the port on which to expose
+[Prometheus](https://prometheus.io/) metrics. Setting this to 0 disables the
+metrics server on nfd-worker.
+
+Default: 8081
+
+Example:
+
+```bash
+nfd-worker -metrics=12345
+```
+
 ### -no-publish
 
 The `-no-publish` flag disables all communication with the nfd-master and the