From ce3e88932d1298f1f2b2e5206f4facd5682dbc24 Mon Sep 17 00:00:00 2001
From: "Dustin C. Hatch" <dustin@hatch.name>
Date: Fri, 12 Aug 2022 13:10:36 -0500
Subject: [PATCH] vmalert: Allow configuring http.pathPrefix

*vmalert* requires explicit configuration when it is behind a reverse
proxy.
---
 group_vars/metricspi/vmalert.yml             | 1 +
 roles/vmalert/templates/vmalert.sysconfig.j2 | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/group_vars/metricspi/vmalert.yml b/group_vars/metricspi/vmalert.yml
index 519b3dc..29a6966 100644
--- a/group_vars/metricspi/vmalert.yml
+++ b/group_vars/metricspi/vmalert.yml
@@ -7,3 +7,4 @@ vmalert_external_alert_source: >-
   {% raw -%}
   explore?orgId=1&left=%5B"now-1h","now","metrics",%7B"expr":"{{$expr|queryEscape}}"%7D%5D
   {%- endraw %}
+vmalert_http_path_prefix: /vmalert/
diff --git a/roles/vmalert/templates/vmalert.sysconfig.j2 b/roles/vmalert/templates/vmalert.sysconfig.j2
index 06a31be..13740e2 100644
--- a/roles/vmalert/templates/vmalert.sysconfig.j2
+++ b/roles/vmalert/templates/vmalert.sysconfig.j2
@@ -16,3 +16,6 @@ external_url={{ vmalert_external_url }}
 {% if vmalert_external_alert_source|d %}
 external_alert_source={{ vmalert_external_alert_source }}
 {% endif %}
+{% if vmalert_http_path_prefix|d %}
+http_pathPrefix={{ vmalert_http_path_prefix }}
+{% endif %}