Add distinct_hosts constraints

example/lemonldap-ng.nomad.hcl

@@ -2,12 +2,22 @@ job "lemonldap-ng" {
 
 
   datacenters = ["dc1"]
+  region      = "global"
   priority    = 60
 
 
   group "lemonldap-ng" {
 
-    count = 1
+    count          = 1
+    shutdown_delay = "6s"
+
+
+
+    constraint {
+      operator = "distinct_hosts"
+      value    = "true"
+    }
+
 
     network {
       mode = "bridge"

lemonldap-ng.nomad.hcl

@@ -6,6 +6,9 @@ job "[[ .instance ]]" {
 [[- $c := merge .llng.engine .llng . ]]
 
     count = [[ $c.count ]]
+    shutdown_delay = "6s"
+
+[[ template "common/constraints" $c ]]
 
     network {
       mode = "bridge"

variables.yml

@@ -4,10 +4,14 @@ instance: lemonldap-ng
 
 llng:
 
-  # A lot of services depends on lemonldap
-  # so make it a bit higher priority than normal
   nomad:
+    # A lot of services depends on lemonldap
+    # so make it a bit higher priority than normal
     priority: 60
+    # Ensure we run different alloc on different hosts
+    constraints:
+      - operator: distinct_hosts
+        value: true
 
   # The same engine can run portal, manager and handler
   # The settings below are for the uwsgi engine itself