diff --git a/openstack-tf/modules/garr_common_variables/outputs.tf b/openstack-tf/modules/garr_common_variables/outputs.tf
new file mode 100644
index 0000000..dffc5b1
--- /dev/null
+++ b/openstack-tf/modules/garr_common_variables/outputs.tf
@@ -0,0 +1,12 @@
+
+output "ubuntu_2204" {
+  value = var.ubuntu_2204
+}
+
+output "ubuntu2204_data_file" {
+  value = var.ubuntu2204_data_file
+}
+
+output "ssh_sources" {
+  value = var.ssh_sources
+}
diff --git a/openstack-tf/modules/garr_common_variables/variables.tf b/openstack-tf/modules/garr_common_variables/variables.tf
new file mode 100644
index 0000000..3e68b42
--- /dev/null
+++ b/openstack-tf/modules/garr_common_variables/variables.tf
@@ -0,0 +1,42 @@
+variable "ubuntu_2204" {
+  type = map(string)
+  default = {
+    name           = "Ubuntu 22.04 - GARR"
+    uuid           = "09d879ad-70ee-4f05-9fd8-ffb7b76e2d1b"
+    user_data_file = "../../openstack_vm_data_scripts/ubuntu2204.sh"
+  }
+}
+
+variable "ubuntu2204_data_file" {
+  default = "../../openstack_vm_data_scripts/ubuntu2204.sh"
+}
+
+# Create in the path 'modules/ssh-key-ref' the file 'ssh-key-ref-outputs.tf'
+# with the following outputs:
+
+# output "ssh_key_file" {
+#   value     = "~/.ssh/{YOUR_PRIVATE_KEYNAME}"
+#   sensitive = true
+# }
+
+# output "ssh_key_name" {
+#   value     = "{YOUR_KEYNAME}"
+#   sensitive = false
+# }
+
+# Then you can use above outputs in your 'file.tf' (if it contains the soft link to variables.tf) as:
+#  module.ssh_settings.ssh_key_file
+#  module.ssh_settings.ssh_key_name
+
+variable "ssh_sources" {
+  type = map(string)
+  default = {
+    s2i2s_vpn_1_cidr      = "146.48.28.10/32"
+    s2i2s_vpn_2_cidr      = "146.48.28.11/32"
+    d4s_vpn_1_cidr        = "146.48.122.27/32"
+    d4s_vpn_2_cidr        = "146.48.122.49/32"
+    shell_d4s_cidr        = "146.48.122.95/32"
+    infrascience_net_cidr = "146.48.122.0/23"
+  }
+}
+