Removed redundant tasks

h1.yml

 - name: curl
   hosts: h1
-  roles:
-    - role: 'roles/common'
   become: yes
   vars:
     addr: 10.0.1.2
@@ -11,3 +9,6 @@
     - name: install curl
       apt:
         name: curl
+  roles:
+    - role: 'roles/hosts'
+    - role: 'roles/common'
\ No newline at end of file

h2.yml

 - name: nginx
   hosts: h2
-  roles:
-    - role: 'roles/common'
   become: yes
   vars:
     my_cool_greeting: HEHEHELOOLOLOLO
@@ -17,7 +15,9 @@
         src: index.html
         dest: /var/www/html/index.html
       notify: nginx-restarter
-
+  roles:
+    - role: 'roles/hosts'
+    - role: 'roles/common'
   handlers:
     - name: nginx-restarter
       service:

r1.yml

@@ -17,8 +17,6 @@
         src: router_2
         dest: /etc/network/interfaces.d/eth2
       become: true
-    - name: reboot
-      reboot:
     - ansible.posix.sysctl:
         name: net.ipv4.ip_forward
         value: 1
@@ -26,3 +24,5 @@
         state: present
         reload: yes
       become: yes 
+  roles:
+    - role: 'roles/common'
\ No newline at end of file

roles/common/tasks/main.yml

-- name: interface config
-  template:
-    src: eth1
-    dest: /etc/network/interfaces.d/eth1
-  become: true
 - name: reboot
   reboot:
\ No newline at end of file

roles/hosts/main.yml

+- name: interface config
+  template:
+    src: eth1
+    dest: /etc/network/interfaces.d/eth1
+  become: true
\ No newline at end of file