From c29dfb5ad2737c98bfaa4b789f84992d07af1fae Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Mon, 23 Oct 2023 21:06:43 +0100
Subject: [PATCH] Add hostname label for blackbox

---
 ansible/roles/forrest/files/prometheus/prometheus.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ansible/roles/forrest/files/prometheus/prometheus.yml b/ansible/roles/forrest/files/prometheus/prometheus.yml
index 4523e4b..36d6ae6 100644
--- a/ansible/roles/forrest/files/prometheus/prometheus.yml
+++ b/ansible/roles/forrest/files/prometheus/prometheus.yml
@@ -73,6 +73,9 @@ scrape_configs:
         target_label: instance
       - target_label: __address__
         replacement: blackbox-external:9115
+      - source_labels: [instance]
+        regex: "https?://([^/]+)/?.*"
+        target_label: hostname
 
   - job_name: blackbox_icmp
     scrape_interval: 10m