add prepare

ansible/configure.yaml

 ---
 - hosts: wg
   tasks:
-    - name: load vars
-      include_vars:
-        file: '../result/{{item}}.yaml'
-      with_items:
-        - global-vars
-        - vars-{{inventory_hostname_short}}
+    - name: prepare
+      import_tasks: ./tasks/prepare.yaml
     - name: directory
       file:
         path: '{{ansible_user_dir}}/nextgen-network/{{item}}'
@@ -16,21 +12,6 @@
         - scripts
         - services
         - ipsets
-    - name: check iptables Type
-      become: true
-      shell: iptables --version | grep nf_tables
-      register: iptables_type_result
-      failed_when: iptables_type_result.rc > 1
-      changed_when: false
-      when: iptables_type == 'auto'
-    - name: use iptables-legacy
-      set_fact:
-        iptables_type: legacy
-      when: iptables_type == 'auto' and iptables_type_result.rc == 1
-    - name: use iptables-nft
-      set_fact:
-        iptables_type: nft
-      when: iptables_type == 'auto' and iptables_type_result.rc == 0
     - name: post scripts
       template:
         src: scripts/{{item}}.sh.j2

ansible/refresh-localnet.yaml

 ---
 - hosts: wg
   tasks:
-    - name: load vars
-      include_vars:
-        file: '../result/{{item}}.yaml'
-      with_items:
-        - global-vars
-        - vars-{{inventory_hostname_short}}
+    - name: prepare
+      import_tasks: ./tasks/prepare.yaml
     - name: post scripts
       template:
         src: scripts/{{item}}.sh.j2

ansible/routing.yaml

 - hosts: wg
   remote_user: root
   tasks:
-    - name: load vars
-      include_vars:
-        file: '../result/{{item}}.yaml'
-      with_items:
-        - global-vars
-        - vars-{{inventory_hostname_short}}
-    - name: check iptables Type
-      become: true
-      shell: iptables --version | grep nf_tables
-      register: iptables_type_result
-      failed_when: iptables_type_result.rc > 1
-      when: iptables_type == 'auto'
-    - name: use iptables-legacy
-      set_fact:
-        iptables_type: legacy
-      when: iptables_type == 'auto' and iptables_type_result.rc == 1
-    - name: use iptables-nft
-      set_fact:
-        iptables_type: nft
-      when: iptables_type == 'auto' and iptables_type_result.rc == 0
+    - name: prepare
+      import_tasks: ./tasks/prepare.yaml
     - name: post scripts
       template:
         src: scripts/{{item}}.sh.j2

ansible/tasks/prepare.yaml

+- name: load vars
+  include_vars:
+    file: '../../result/{{item}}.yaml'
+  with_items:
+    - global-vars
+    - vars-{{inventory_hostname_short}}
+- name: check iptables Type
+  become: true
+  shell: iptables --version | grep nf_tables
+  register: iptables_type_result
+  failed_when: iptables_type_result.rc > 1
+  when: iptables_type == 'auto'
+- name: use iptables-legacy
+  set_fact:
+    iptables_type: legacy
+  when: iptables_type == 'auto' and iptables_type_result.rc == 1
+- name: use iptables-nft
+  set_fact:
+    iptables_type: nft
+  when: iptables_type == 'auto' and iptables_type_result.rc == 0