add redis

templates/conf/prometheus-redis-exporter.j2

@@ -0,0 +1,10 @@
+# {{ ansible_managed }}
+{% if (prometheus_redis_exporter_addr is defined) %}
+REDIS_ADDR={{ prometheus_redis_exporter_addr }}
+{% endif %}
+{% if (prometheus_redis_exporter_addr is defined) %}
+REDIS_USER={{ prometheus_redis_exporter_user }}
+{% endif %}
+{% if (prometheus_redis_exporter_addr is defined) %}
+REDIS_PASSWORD={{ prometheus_redis_exporter_password }}
+{% endif %}

templates/conf/prometheus.yml.j2

@@ -149,6 +149,7 @@ scrape_configs:
 {% endif %}
 
 {% if prometheus_varnish_exporter_targets is defined %}
+  # Varnish exporter #
   - job_name: varnish
     scrape_interval: 30s
     scrape_timeout: 10s
@@ -204,3 +205,14 @@ scrape_configs:
 {% endif %}
 {% endif %}
 
+{% if prometheus_redis_exporter_targets is defined %}
+  # Redis exporter #
+  - job_name: redis
+    scrape_interval: 30s
+    scrape_timeout: 10s
+    static_configs:
+      - targets:
+{% for target in prometheus_redis_exporter_targets %}
+        - {{ target }}:9121
+{% endfor %}
+{% endif %}

templates/systemd/prometheus-redis-exporter.service.j2

@@ -1,10 +1,11 @@
 [Unit]
 Description=Prometheus Redis Exporter
 After=network.target
- 
+
 [Service]
 Type=simple
 ExecStart=/usr/local/bin/prometheus-redis-exporter
- 
+EnvironmentFile=/etc/default/prometheus-redis-exporter
+
 [Install]
 WantedBy=multi-user.target