Export Redis metrics to Prometheus.

services/redis.hcl

@@ -6,9 +6,12 @@ job "redis" {
       port "redis" {
         to = 6379
       }
+      port "exporter" {
+        to = 9121
+      }
     }
 
-    task "redis" {
+    task "server" {
       driver = "docker"
 
       config {
@@ -28,5 +31,24 @@ job "redis" {
         }
       }
     }
+
+    task "exporter" {
+      driver = "docker"
+
+      config {
+        image = "oliver006/redis_exporter:alpine"
+        ports = ["exporter"]
+      }
+
+      env {
+        REDIS_ADDR = "redis://${NOMAD_ADDR_redis}"
+      }
+
+      service {
+        name = "redis-exporter"
+        port = "exporter"
+        tags = ["metrics"]
+      }
+    }
   }
 }