[Update] Fix standalone run

Config_H1_Ping_H2.yml

@@ -3,14 +3,10 @@
   hosts: all
   become: true
   tasks:    
+    - name: Load the variables
+      include_vars: variables.yml
     - name: Rename hosts
       command: hostnamectl set-hostname {{ inventory_hostname }}
-      notify: rename_finish
-  
-  handlers:
-    - name: rename_finish
-      debug:
-        msg: "I can handle dates"
 
 - name: Setup network for Hosts
   hosts: hotes
@@ -18,11 +14,16 @@
   tasks:
     - name: "Create file interface in interfaces.d"
       ansible.builtin.template:
-        src: ./interfaces_H.j2
+        src: ./templates/host_config_template.j2
         dest: /etc/network/interfaces.d/interfaces_playbook.conf
         mode: 0640
-    - name: Restart interfaces hosts
-      shell: "ifdown --force eth0"
+      notify: Restart network
+  handlers:
+  - name: Restart network
+    ansible.builtin.service:
+      name: networking
+      state: restarted
+      enabled: yes
 
 - name: Setup network for Routers
   hosts: routeurs
@@ -30,30 +31,19 @@
   tasks:
     - name: "Create file interface in interfaces.d"
       ansible.builtin.template:
-        src: ./interfaces_R.j2
+        src: ./templates/router_config_template.j2
         dest: /etc/network/interfaces.d/interfaces_playbook.conf
         mode: 0640
+      notify: Restart network
     - name: "Set ip_forwarding to 1"
       ansible.posix.sysctl:
         name: net.ipv4.ip_forward
         value: '1'
         sysctl_set: true
         state: present
-    - name: Restart interfaces hosts
-      shell: "ifdown --force eth0 eth1"
-
-
-- name: Configuration et démarrage des interfaces réseau
-  hosts: all
-  become: true
-  tasks:
-    - name: Restart interfaces hosts
-      shell: "ifup -a --ignore-errors"
-      notify: start network
-
   handlers:
-    - name: start network
-      service:
+  - name: Restart network
+    ansible.builtin.service:
       name: networking
       state: restarted
       enabled: yes