From f75d149f325510043bbb4cca5c7d1b25393c2d4d Mon Sep 17 00:00:00 2001
From: Ian Fijolek <ian@iamthefij.com>
Date: Thu, 20 Apr 2023 16:47:07 -0700
Subject: [PATCH] Add constraints and docker devices to service template

---
 services/service/main.tf                |  2 ++
 services/service/service_template.nomad | 18 ++++++++++++++++++
 services/service/vars.tf                | 18 ++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/services/service/main.tf b/services/service/main.tf
index b0e512b..7e52fb2 100644
--- a/services/service/main.tf
+++ b/services/service/main.tf
@@ -7,6 +7,8 @@ resource "nomad_job" "service" {
     env                = var.env
     meta               = var.meta
     group_meta         = var.group_meta
+    constraints        = var.constraints
+    docker_devices     = var.docker_devices
 
     service_port = var.service_port
     sticky_disk  = var.sticky_disk
diff --git a/services/service/service_template.nomad b/services/service/service_template.nomad
index 2244d61..5092f17 100644
--- a/services/service/service_template.nomad
+++ b/services/service/service_template.nomad
@@ -17,6 +17,14 @@ job "${name}" {
       %{ endif }
     }
 
+    %{ for constraint in constraints ~}
+    constraint {
+      attribute = "${constraint.attribute}"
+      operator = "${constraint.operator}"
+      value = "${constraint.value}"
+    }
+
+    %{ endfor ~}
     %{ if length(group_meta) > 0 }
     meta = {
       %{ for k, v in group_meta }
@@ -83,6 +91,16 @@ job "${name}" {
         %{ if length(try(args, [])) > 0 ~}
         args = ${jsonencode(args)}
         %{ endif ~}
+        %{ if length(docker_devices) > 0 ~}
+        devices = [
+          %{ for dev in docker_devices }
+          {
+            host_path = "${dev.host_path}"
+            container_path = "${dev.container_path}"
+          },
+          %{ endfor }
+        ]
+        %{ endif ~}
         %{ for template in templates ~}
         %{ if template.mount && !template.env ~}
 
diff --git a/services/service/vars.tf b/services/service/vars.tf
index 988b7e5..2632a08 100644
--- a/services/service/vars.tf
+++ b/services/service/vars.tf
@@ -137,3 +137,21 @@ variable "mysql_bootstrap" {
   })
   default = null
 }
+
+variable "constraints" {
+  type = list(object({
+    attribute = optional(string, "")
+    operator  = optional(string, "=")
+    value     = optional(string, "")
+  }))
+  default = []
+}
+
+variable "docker_devices" {
+  type = list(object({
+    host_path      = string
+    container_path = string
+  }))
+
+  default = []
+}