From 3ab49a7daf51eb98b537013c500a76cd36087f6c Mon Sep 17 00:00:00 2001
From: s3lph <account-gitlab-ideynizv@kernelpanic.lol>
Date: Sat, 20 Feb 2021 21:43:24 +0100
Subject: [PATCH] Add submission+starttls blackbox check

---
 roles/prometheus/templates/blackbox.yml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/roles/prometheus/templates/blackbox.yml b/roles/prometheus/templates/blackbox.yml
index 89125d8..6a2d77f 100644
--- a/roles/prometheus/templates/blackbox.yml
+++ b/roles/prometheus/templates/blackbox.yml
@@ -131,6 +131,20 @@ modules:
         - expect: "^250 .*$"
         - send: "QUIT"
 
+  submission_starttls:
+    prober: tcp
+    timeout: 2s
+    tcp:
+      {% if blackbox_prefer_ipv4 -%}
+      preferred_ip_protocol: ip4
+      {% endif -%}
+      query_response:
+        - starttls: true
+        - expect: "^220 .*SMTP .*$"
+        - send: "HELO {{ blackbox_smtp_name }}"
+        - expect: "^250 .*$"
+        - send: "QUIT"
+
   imap:
     prober: tcp
     timeout: 2s