From 76b5e0b767a74e362785af5f77d84e334bbb7574 Mon Sep 17 00:00:00 2001
From: Ben Martin <ben@brmartin.co.uk>
Date: Sat, 18 Jan 2025 15:49:23 +0000
Subject: [PATCH] feat(elk): use ephemeral disk for elasticsearch datastore

---
 modules/elk/jobspec.nomad.hcl | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/modules/elk/jobspec.nomad.hcl b/modules/elk/jobspec.nomad.hcl
index d2789b5..0603a60 100644
--- a/modules/elk/jobspec.nomad.hcl
+++ b/modules/elk/jobspec.nomad.hcl
@@ -30,6 +30,11 @@ job "elk" {
       }
     }
 
+    ephemeral_disk {
+      migrate = true
+      size    = 10000
+    }
+
     task "elasticsearch" {
       driver = "docker"
 
@@ -40,7 +45,6 @@ job "elk" {
 
         volumes = [
           "/mnt/docker/elastic-${node.unique.name}/config:/usr/share/elasticsearch/config",
-          "/mnt/docker/elastic-${node.unique.name}/data:/usr/share/elasticsearch/data",
         ]
 
         ulimit {
@@ -86,6 +90,7 @@ job "elk" {
           discovery:
             seed_providers: file
           path:
+            data: {{ env "NOMAD_TASK_DIR" }}/data
             repo:
               - /mnt/backups
           xpack:
@@ -193,6 +198,11 @@ job "elk" {
       }
     }
 
+    ephemeral_disk {
+      migrate = true
+      size    = 10
+    }
+
     task "elasticsearch" {
       driver = "docker"
 
@@ -203,7 +213,6 @@ job "elk" {
 
         volumes = [
           "/mnt/docker/elastic-${node.unique.name}/config:/usr/share/elasticsearch/config",
-          "/mnt/docker/elastic-${node.unique.name}/data:/usr/share/elasticsearch/data",
         ]
 
         ulimit {
@@ -252,6 +261,7 @@ job "elk" {
           discovery:
             seed_providers: file
           path:
+            data: {{ env "NOMAD_TASK_DIR" }}/data
             repo:
               - /mnt/backups
           xpack: