From 7b52e6ad5ed8aece4d86ce0f3063fabeed544294 Mon Sep 17 00:00:00 2001
From: Stuart Mumford <stuart@cadair.com>
Date: Wed, 30 Jun 2021 20:52:49 +0000
Subject: [PATCH] Add worker metrics to prometheus exporter

---
 roles/matrix-prometheus/templates/prometheus.yml.j2 | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/roles/matrix-prometheus/templates/prometheus.yml.j2 b/roles/matrix-prometheus/templates/prometheus.yml.j2
index b3ee3b86..edfa476b 100644
--- a/roles/matrix-prometheus/templates/prometheus.yml.j2
+++ b/roles/matrix-prometheus/templates/prometheus.yml.j2
@@ -30,7 +30,15 @@ scrape_configs:
   - job_name: 'synapse'
     metrics_path: '/_synapse/metrics'
     static_configs:
-    - targets: {{ matrix_prometheus_scraper_synapse_targets|to_json }}
+    - targets:
+    {% for target in matrix_prometheus_scraper_synapse_targets %}
+      - {{ target }}
+    {% endfor %}
+    {% for worker in matrix_synapse_workers_enabled_list|d([]) %}
+    {% if worker.metrics_port != 0 %}
+      - 'matrix-synapse-worker-{{ worker.type }}-{{ worker.instanceId }}:{{ worker.metrics_port }}'
+    {% endif %}
+    {% endfor %}
   {% endif %}
 
   {% if matrix_prometheus_scraper_node_enabled %}
@@ -43,4 +51,4 @@ scrape_configs:
   - job_name: postgres
     static_configs:
       - targets: {{ matrix_prometheus_scraper_postgres_targets|to_json }}
-  {% endif %}
\ No newline at end of file
+  {% endif %}