terraform/azure: Extract default setup in init.tf

azure/terraform/README.md

@@ -52,9 +52,6 @@ differential plan:
 terraform plan
 ```
 
-Note: It might be a good idea to change the `variables.tf` file to adapt for
-example the admin user and its associated public key
-
 # Apply changes
 
 Same as previous command except that it applies the diff to the infra
@@ -63,3 +60,12 @@ Same as previous command except that it applies the diff to the infra
 ```
 terraform apply
 ```
+
+Note: adapt the `init.tf` file with the admin user's associated public key
+first. That will allow you to connect (ssh) to the new nodes you created (if
+any).
+
+# Arborescence
+
+- init.tf: Common resources in our azure infrastructure
+- vault.tf: Vault node definition

azure/terraform/variables.tf → azure/terraform/init.tf

+# Keyword use:
+# - provider: Define the provider(s)
+# - data: Retrieve data information to be used within the file
+# - resource: Define resource and create/update
+
+# Configure the Microsoft Azure Provider
+# Empty if using the `az login` tool
+provider "azurerm" {
+  version             = "~> 1.27"
+}
+
+# Reuse the network security group as defined currently
+data "azurerm_network_security_group" "worker-nsg" {
+  name                = "worker-nsg"
+  resource_group_name = "swh-resource"
+}
+
+# Same for the subnet
+data "azurerm_subnet" "default" {
+  name                 = "default"
+  virtual_network_name = "swh-vnet"
+  resource_group_name  = "swh-resource"
+}
+
 variable "ssh_key_data" {
   type = "string"
-  default = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDZarzgHrzUYspvrgSI6fszrALo92BDys7QOkJgUfZa9t9m4g7dUANNtwBiqIbqijAQPmB1zKgG6QTZC5rJkRy6KqXCW/+Qeedw/FWIbuI7jOD5WxnglbEQgvPkkB8kf1xIF7icRfWcQmK2je/3sFd9yS4/+jftNMPPXkBCxYm74onMenyllA1akA8FLyujLu6MNA1D8iLLXvz6pBDTT4GZ5/bm3vSE6Go8Xbuyu4SCtYZSHaHC2lXZ6Hhi6dbli4d3OwkUWz+YhFGaEra5Fx45Iig4UCL6kXPkvL/oSc9KGerpT//Xj9qz1K7p/IrBS8+eA4X69bHYYV0UZKDADZSn ardumont@bespin"
+  default = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDZarzgHrzUYspvrgSI6fszrALo92BDys7QOkJgUfZa9t9m4g7dUANNtwBiqIbqijAQPmB1zKgG6QTZC5rJkRy6KqXCW/+Qeedw/FWIbuI7jOD5WxnglbEQgvPkkB8kf1xIF7icRfWcQmK2je/3sFd9yS4/+jftNMPPXkBCxYm74onMenyllA1akA8FLyujLu6MNA1D8iLLXvz6pBDTT4GZ5/bm3vSE6Go8Xbuyu4SCtYZSHaHC2lXZ6Hhi6dbli4d3OwkUWz+YhFGaEra5Fx45Iig4UCL6kXPkvL/oSc9KGerpT//Xj9qz1K7p/IrBS8+eA4X69bHYYV0UZKDADZSn ardumont@yavin4"
 }
 
 variable "user_admin" {
     type = "string"
-    default = "ardumont"
+    default = "root"
 }

azure/terraform/vault.tf

-# Keyword use:
-# - provider: Define the provider(s)
-# - data: Retrieve data information to be used within the file
-# - resource: Define resource and create/update
-
-# Configure the Microsoft Azure Provider
-# Empty if using the `az login` tool
-provider "azurerm" {
-  version             = "~> 1.27"
-}
-
-# Reuse the network security group as defined currently
-data "azurerm_network_security_group" "worker-nsg" {
-  name                = "worker-nsg"
-  resource_group_name = "swh-resource"
-}
-
-# Same for the subnet
-data "azurerm_subnet" "default" {
-  name                 = "default"
-  virtual_network_name = "swh-vnet"
-  resource_group_name  = "swh-resource"
-}
-
 # Define a new resource for the vault
 # matching what we name elsewhere "euwest-${resource}"