From 6ef5b6921f7bd67f9447f293a76e622307359bb1 Mon Sep 17 00:00:00 2001
From: Michael Smithhisler <michael.smithhisler@hashicorp.com>
Date: Fri, 22 May 2026 07:49:18 -0400
Subject: [PATCH 1/3] update nodesim.nomad job file

---
 nodesim.nomad | 49 +++++++++++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 20 deletions(-)

diff --git a/nodesim.nomad b/nodesim.nomad
index d120c19..4c645a7 100644
--- a/nodesim.nomad
+++ b/nodesim.nomad
@@ -1,19 +1,10 @@
 # Copyright (c) HashiCorp, Inc.
 # SPDX-License-Identifier: MPL-2.0
 
-variable "num_nodes" {
-  type = string
-}
-
-variable "server" {
-  type = string
-}
-
 job "nodesim" {
   datacenters = ["dc1"]
 
   group "nodesim" {
-    count = 20
 
     update {
       max_parallel = 3
@@ -22,18 +13,36 @@ job "nodesim" {
     task "nodesim" {
       driver = "docker"
 
-      kill_signal = "SIGINT"
-
       config {
-        image = "schmichael/nomad-nodesim:0.2"
-
-        command = "/build/nomad-nodesim"
-        args = [
-          "-dir", "/local",
-          "-num", var.num_nodes,
-          "-server", var.server,
-          "-id", "${NOMAD_SHORT_ALLOC_ID}",
-        ]
+        image = "hashicorppreview/nomad-nodesim:6cebba3"
+
+        command = "/bin/nomad-nodesim"
+        args = ["-config", "/local/config.hcl"]
+      }
+
+      template {
+        data = <<EOH
+work_dir         = "/tmp/nomad-nodesim/"
+node_name_prefix = "nodesim"
+server_addr      = ["localhost:4647"]
+node_num         = 10
+
+log {
+  level            = "info"
+  json             = true
+  include_location = true
+}
+
+node {
+  datacenter = "dc1"
+  node_pool  = "default"
+  options = {
+    "fingerprint.denylist" = "env_aws,env_gce,env_azure,env_digitalocean"
+  }
+}
+        EOH
+        destination = "/local/config.hcl"
+        once = true
       }
 
       resources {

From e28cb36daa0df6bc6f4052017c38d7c3a2c5b879 Mon Sep 17 00:00:00 2001
From: Michael Smithhisler <michael.smithhisler@hashicorp.com>
Date: Fri, 22 May 2026 07:55:44 -0400
Subject: [PATCH 2/3] add volume for cgroup manager

---
 nodesim.nomad | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/nodesim.nomad b/nodesim.nomad
index 4c645a7..c5ca7a2 100644
--- a/nodesim.nomad
+++ b/nodesim.nomad
@@ -18,6 +18,11 @@ job "nodesim" {
 
         command = "/bin/nomad-nodesim"
         args = ["-config", "/local/config.hcl"]
+
+	# For use on a linux host
+        volumes = [
+          "/sys/fs/cgroup:/sys/fs/cgroup",
+        ]
       }
 
       template {

From c6717cacb30a81265ef4e81b61d72fd67d6263a2 Mon Sep 17 00:00:00 2001
From: Michael Smithhisler <michael.smithhisler@hashicorp.com>
Date: Fri, 22 May 2026 15:02:35 -0400
Subject: [PATCH 3/3] use variables in template

---
 nodesim.nomad | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/nodesim.nomad b/nodesim.nomad
index c5ca7a2..7686a9e 100644
--- a/nodesim.nomad
+++ b/nodesim.nomad
@@ -1,6 +1,16 @@
 # Copyright (c) HashiCorp, Inc.
 # SPDX-License-Identifier: MPL-2.0
 
+variable "num_nodes" {
+  type = string
+  default = 10
+}
+
+variable "servers" {
+  type = list(string)
+  default = ["localhost:4647"]
+}
+
 job "nodesim" {
   datacenters = ["dc1"]
 
@@ -29,8 +39,8 @@ job "nodesim" {
         data = <<EOH
 work_dir         = "/tmp/nomad-nodesim/"
 node_name_prefix = "nodesim"
-server_addr      = ["localhost:4647"]
-node_num         = 10
+server_addr      = ${jsonencode(var.servers)}
+node_num         = ${var.num_nodes}
 
 log {
   level            = "info"