From 2ec46198efa3d1d47d5e4af0fbf6d80fda3be91c Mon Sep 17 00:00:00 2001
From: Tom <58692790+tchivert@users.noreply.github.com>
Date: Wed, 1 Jun 2022 15:25:02 +0200
Subject: [PATCH] Remove port from node hosts

Add a relabel rule to the "node" job to hide the port number from instances names.
---
 templates/conf/prometheus.yml.j2 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/templates/conf/prometheus.yml.j2 b/templates/conf/prometheus.yml.j2
index 04673ac..c30328d 100644
--- a/templates/conf/prometheus.yml.j2
+++ b/templates/conf/prometheus.yml.j2
@@ -41,6 +41,11 @@ scrape_configs:
 {% for target in prometheus_node_exporter_targets %}
         - {{ target }}:9100
 {% endfor %}
+    relabel_configs:
+      - source_labels: [ __address__ ]
+        target_label: instance
+        regex: '(.*):9100'
+        replacement: '${1}'
 {% endif %}
 
 {% if prometheus_mysqld_exporter_targets is defined %}