fix(config): enable dictionary merge for scoped overrides

ansible.cfg

@@ -0,0 +1,2 @@
+[defaults]
+hash_behaviour = merge

inventory_baremetal_example.yml

@@ -3,7 +3,8 @@ all:
   vars:
     hypervisor:
       type: "none"
-    filesystem: "ext4"
+    system:
+      filesystem: "ext4"
   hosts:
     baremetal01.example.com:
       ansible_host: 10.0.0.162

inventory_example.yml

@@ -14,8 +14,8 @@ all:
       hosts:
         app01.example.com:
           ansible_host: 10.0.0.10
-          filesystem: "btrfs"
           system:
+            filesystem: "btrfs"
             type: "virtual"
             os: "archlinux"
             name: "app01.example.com"
@@ -72,9 +72,9 @@ all:
                 tool: "arch-chroot"
         db01.example.com:
           ansible_host: 10.0.0.11
-          filesystem: "xfs"
           rhel_iso: "local:iso/rhel-9.4-x86_64-dvd.iso"
           system:
+            filesystem: "xfs"
             type: "virtual"
             os: "rhel"
             version: "9"

inventory_libvirt_example.yml

@@ -14,8 +14,8 @@ all:
       hosts:
         web01.local:
           ansible_host: 192.168.122.20
-          filesystem: "ext4"
           system:
+            filesystem: "ext4"
             type: "virtual"
             os: "debian"
             version: "12"
@@ -54,9 +54,9 @@ all:
                 toolkit: "nftables"
         db01.local:
           ansible_host: 192.168.122.21
-          filesystem: "xfs"
           rhel_iso: "/var/lib/libvirt/images/rhel-9.4-x86_64-dvd.iso"
           system:
+            filesystem: "xfs"
             type: "virtual"
             os: "rhel"
             version: "9"
@@ -95,8 +95,8 @@ all:
                 toolkit: "nftables"
         compute01.local:
           ansible_host: 192.168.122.22
-          filesystem: "btrfs"
           system:
+            filesystem: "btrfs"
             type: "virtual"
             os: "fedora"
             version: "41"

vars_baremetal_example.yml

@@ -3,11 +3,10 @@
 hypervisor:
   type: "none"
 
-filesystem: "btrfs"
-
 system:
   type: "physical"
   os: "archlinux"
+  filesystem: "btrfs" # btrfs|ext4|xfs
   name: "{{ inventory_hostname }}"
   cpus: 8
   memory: 16384

vars_example.yml

@@ -1,6 +1,5 @@
 ---
 # Example variables for virtual provisioning.
-filesystem: "btrfs"
 custom_iso: false
 
 hypervisor:
@@ -19,6 +18,7 @@ system:
   type: "virtual" # virtual|physical
   os: "archlinux"
   version: ""
+  filesystem: "btrfs" # btrfs|ext4|xfs
   name: "{{ inventory_hostname }}"
   id: 100
   cpus: 4