From 32c6b85d4f7b05831e914b706d968b59c074001a Mon Sep 17 00:00:00 2001
From: Ben Martin <ben@brmartin.co.uk>
Date: Tue, 17 Dec 2024 13:05:36 +0000
Subject: [PATCH] feat(elk): update job specification to include unicast hosts

---
 modules/elk/jobspec.nomad.hcl | 38 ++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/modules/elk/jobspec.nomad.hcl b/modules/elk/jobspec.nomad.hcl
index c5d29ab..6124226 100644
--- a/modules/elk/jobspec.nomad.hcl
+++ b/modules/elk/jobspec.nomad.hcl
@@ -53,11 +53,6 @@ job "elk" {
       }
     }
 
-    service {
-      provider = "consul"
-      port     = "transport"
-    }
-
     task "elasticsearch" {
       driver = "docker"
 
@@ -74,12 +69,45 @@ job "elk" {
         ulimit {
           memlock = "-1:-1"
         }
+        
+        mount {
+          type   = "bind"
+          source = "local/unicast_hosts.txt"
+          target = "/usr/share/elasticsearch/config/unicast_hosts.txt"
+        }
+      }
+      
+      env {
+        ES_PATH_CONF = "/usr/share/elasticsearch/config"
       }
 
       resources {
         cpu    = 2000
         memory = 2048
       }
+      
+      template {
+        data = <<-EOF
+          {{ range service "elk-node-elasticsearch-transport" }}
+          {{ .Address }}:{{ .Port }}
+          {{ end }}
+          EOF
+
+        destination = "local/unicast_hosts.txt"
+        change_mode = "noop"
+      }
+
+      service {
+        name = "elk-node-elasticsearch-http"
+        provider = "consul"
+        port     = "http"
+      }
+
+      service {
+        name = "elk-node-elasticsearch-transport"
+        provider = "consul"
+        port     = "transport"
+      }
     }
   }