diff --git a/.gitignore b/.gitignore
index a8ea09d..27dd786 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
-.terraform
+.terraform*
 *.tfstate.backup
 
 base/images/*
-!base/images/.gitkeep
\ No newline at end of file
+!base/images/.gitkeep
diff --git a/applications/stack_address.toml b/applications/stack_address.toml
index 15d927b..5078dbf 100755
--- a/applications/stack_address.toml
+++ b/applications/stack_address.toml
@@ -1,7 +1,14 @@
-[all]
-compute-0 ansible_host=100.64.0.113 index=0
-compute-1 ansible_host=100.64.0.251 index=1
-compute-2 ansible_host=100.64.0.114 index=2
-compute-3 ansible_host=100.64.0.124 index=3
+# two first domain is controller domain
+[controller]
+compute-0 ansible_host=100.64.0.146 index=0
+compute-1 ansible_host=100.64.0.214 index=1
+# next domain is worker domain
+[worker]
+compute-2 ansible_host=100.64.0.79 index=0
+compute-3 ansible_host=100.64.0.86 index=1
+
+[all:children]
+controller
+worker
 [all:vars]
-ansible_ssh_common_args='-o StrictHostKeyChecking=no'
+ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
diff --git a/stack/cloud_init_user_data.yml b/stack/cloud_init_user_data.yml
index 357ee24..c3e4316 100644
--- a/stack/cloud_init_user_data.yml
+++ b/stack/cloud_init_user_data.yml
@@ -22,6 +22,7 @@ users:
   - name: antoine
     ssh_authorized_keys:
       - ssh-rsa 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 antoine@archlinux
+      - ssh-rsa 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 root@MBP-de-Antoine
     sudo: ["ALL=(ALL) NOPASSWD:ALL"]
     shell: /bin/bash
     groups: wheel
diff --git a/stack/computes.tf b/stack/computes.tf
index ac04fa4..e3ada81 100644
--- a/stack/computes.tf
+++ b/stack/computes.tf
@@ -22,11 +22,11 @@ resource "libvirt_domain" "domains" {
   }
 
   disk {
-    volume_id = element(libvirt_volume.root_debian.*.id, count.index)
+    volume_id = libvirt_volume.root_debian[count.index].id
   }
 
   disk {
-    volume_id = element(libvirt_volume.external_disk.*.id, count.index)
+    volume_id = libvirt_volume.external_disk[count.index].id
   }
 
   cloudinit = libvirt_cloudinit_disk.commoninit[count.index].id
diff --git a/stack/libvirtd.tf b/stack/libvirtd.tf
index cb80128..2e95ad1 100644
--- a/stack/libvirtd.tf
+++ b/stack/libvirtd.tf
@@ -52,12 +52,26 @@ output "ip" {
 resource "local_file" "write_address" {
 
   content = <<-EOT
-[all]
-%{ for idx, s in libvirt_domain.domains.*.network_interface.0 ~}
-${s.hostname} ansible_host=${s.addresses.0} index=${idx}
+# two first domain is controller domain
+[controller]
+%{ for idx, s in slice(libvirt_domain.domains, 0, 2) ~}
+%{ if length(s.network_interface.0.addresses) > 0 ~}
+${s.network_interface.0.hostname} ansible_host=${s.network_interface.0.addresses.0} index=${idx}
+%{ endif ~}
 %{ endfor ~}
+# next domain is worker domain
+[worker]
+%{ for idx, s in slice(libvirt_domain.domains, 2, length(libvirt_domain.domains)) ~}
+%{ if length(s.network_interface.0.addresses) > 0 ~}
+${s.network_interface.0.hostname} ansible_host=${s.network_interface.0.addresses.0} index=${idx}
+%{ endif ~}
+%{ endfor ~}
+
+[all:children]
+controller
+worker
 [all:vars]
-ansible_ssh_common_args='-o StrictHostKeyChecking=no'
+ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
   EOT
 
   filename = "../applications/stack_address.toml"