diff --git a/database/migrations/2020_09_18_230114_create_services_template_table.php b/database/migrations/2020_09_18_230114_create_services_template_table.php
index 3c5f1120aa..ba28e46cd5 100644
--- a/database/migrations/2020_09_18_230114_create_services_template_table.php
+++ b/database/migrations/2020_09_18_230114_create_services_template_table.php
@@ -33,6 +33,23 @@ class CreateServicesTemplateTable extends Migration
             $table->string('service_name')->nullable()->default(null);
             $table->unsignedInteger('service_template_changed')->default(0);
         });
+        Schema::create('service_templates_perms', function (Blueprint $table) {
+            $table->id->first()();
+            $table->unsignedInteger('user_id')->index();
+            $table->unsignedInteger('service_template_id');
+        });
+        Schema::table('device_group_service_template', function (Blueprint $table) {
+            $table->foreign('device_group_id')->references('id')->on('device_groups')->onUpdate('RESTRICT')->onDelete('CASCADE');
+            $table->foreign('service_template_id')->references('id')->on('service_templates')->onUpdate('RESTRICT')->onDelete('CASCADE');
+        });
+        Schema::create('device_group_service_template', function (Blueprint $table) {
+            $table->unsignedInteger('device_group_id')->unsigned()->index();
+            $table->unsignedInteger('service_template_id')->unsigned()->index();
+            $table->primary(['device_group_id', 'service_template_id']);
+        });
+
+
+
     }
 
     /**
@@ -50,5 +67,15 @@ class CreateServicesTemplateTable extends Migration
                 'service_template_changed',
             ]);
         });
+        Schema::drop('devices_perms');
+        if (\LibreNMS\DB\Eloquent::getDriver() !== 'sqlite') {
+            Schema::table('device_group_service_template', function (Blueprint $table) {
+                $table->dropForeign('device_group_service_template_device_group_id_foreign');
+                $table->dropForeign('device_group_service_template_service_template_id_foreign');
+            });
+        }
+        Schema::drop('device_group_device');
+
     }
 }
+
diff --git a/misc/db_schema.yaml b/misc/db_schema.yaml
index 7655ca6cae..0cabdf88a5 100644
--- a/misc/db_schema.yaml
+++ b/misc/db_schema.yaml
@@ -604,6 +604,17 @@ device_group_device:
   Constraints:
     device_group_device_device_group_id_foreign: { name: device_group_device_device_group_id_foreign, foreign_key: device_group_id, table: device_groups, key: id, extra: 'ON DELETE CASCADE' }
     device_group_device_device_id_foreign: { name: device_group_device_device_id_foreign, foreign_key: device_id, table: devices, key: device_id, extra: 'ON DELETE CASCADE' }
+device_group_service_template:
+  Columns:
+    - { Field: device_group_id, Type: 'int unsigned', 'Null': false, Extra: '' }
+    - { Field: service_template_id, Type: 'int unsigned', 'Null': false, Extra: '' }
+  Indexes:
+    PRIMARY: { Name: PRIMARY, Columns: [device_group_id, service_template_id], Unique: true, Type: BTREE }
+    device_group_service_template_device_group_id_index: { Name: device_group_service_template_device_group_id_index, Columns: [device_group_id], Unique: false, Type: BTREE }
+    device_group_service_template_service_template_id_index: { Name: device_group_service_template_service_template_id_index, Columns: [service_template_id], Unique: false, Type: BTREE }
+  Constraints:
+    device_group_service_template_device_group_id_foreign: { name: device_group_service_template_device_group_id_foreign, foreign_key: device_group_id, table: device_groups, key: id, extra: 'ON DELETE CASCADE' }
+    device_group_service_template_service_template_id_foreign: { name: device_group_service_template_service_template_id_foreign, foreign_key: service_template_id, table: devices, key: service_template_id, extra: 'ON DELETE CASCADE' }
 device_outages:
   Columns:
     - { Field: device_id, Type: 'int unsigned', 'Null': false, Extra: '' }
@@ -1777,6 +1788,14 @@ service_templates:
   Indexes:
     PRIMARY: { Name: PRIMARY, Columns: [id], Unique: true, Type: BTREE }
     service_templates_device_group_id_index: { Name: service_templates_device_group_id_index, Columns: [device_group_id], Unique: false, Type: BTREE }
+service_templates_perms:
+  Columns:
+    - { Field: user_id, Type: 'int unsigned', 'Null': false, Extra: '' }
+    - { Field: service_template_id, Type: 'int unsigned', 'Null': false, Extra: '' }
+  Indexes:
+    PRIMARY: { Name: PRIMARY, Columns: [service_template_id, user_id], Unique: true, Type: BTREE }
+    service_templates_perms_service_template_id_index: { Name: service_templates_perms_service_template_id_index, Columns: [service_template_id], Unique: false, Type: BTREE }
+    service_templates_perms_user_id_index: { Name: service_templates_perms_user_id_index, Columns: [user_id], Unique: false, Type: BTREE }
 session:
   Columns:
     - { Field: session_id, Type: 'int unsigned', 'Null': false, Extra: auto_increment }