Add role prefix to variables for the swap role

This resolves the var-naming[no-role-prefix] warning from ansible-lint.

ansible/playbook.yml

@@ -59,7 +59,7 @@
     - cyhy_commander
     - role: swap
       vars:
-        swapfile_size: 2GiB
+        swap_swapfile_size: 2GiB
     - cyhy_logrotate
 
 - name: Configure nmap scanning hosts
@@ -69,7 +69,7 @@
   roles:
     - role: swap
       vars:
-        swapfile_size: 4GiB
+        swap_swapfile_size: 4GiB
 
 - name: Configure cyhy-runner hosts
   hosts: cyhy_runner

ansible/roles/swap/defaults/main.yml

@@ -1,3 +1,3 @@
 ---
-swapfile_location: /swapfile
-swapfile_size: 2GiB
+swap_swapfile_location: /swapfile
+swap_swapfile_size: 2GiB

ansible/roles/swap/tasks/main.yml

@@ -7,25 +7,25 @@
 
 - name: Allocate swapfile
   ansible.builtin.command:
-    cmd: "fallocate --length {{ swapfile_size }} {{ swapfile_location }}"
-    creates: "{{ swapfile_location }}"
+    cmd: "fallocate --length {{ swap_swapfile_size }} {{ swap_swapfile_location }}"
+    creates: "{{ swap_swapfile_location }}"
   register: swap_allocate_swapfile
 
 - name: Set swapfile permissions
   ansible.builtin.file:
     mode: 0600
-    path: "{{ swapfile_location }}"
+    path: "{{ swap_swapfile_location }}"
 
 - name: Create swapfile
   ansible.builtin.command: # noqa no-handler
-    cmd: mkswap {{ swapfile_location }}
+    cmd: mkswap {{ swap_swapfile_location }}
   changed_when: swap_create_swapfile.rc == 0
   register: swap_create_swapfile
   when: swap_allocate_swapfile is changed
 
 - name: Enable swapfile
   ansible.builtin.command: # noqa no-handler
-    cmd: swapon {{ swapfile_location }}
+    cmd: swapon {{ swap_swapfile_location }}
   changed_when: swap_enable_swapfile.rc == 0
   register: swap_enable_swapfile
   when: swap_create_swapfile is changed
@@ -35,5 +35,5 @@
     fstype: swap
     name: none
     opts: sw
-    src: "{{ swapfile_location }}"
+    src: "{{ swap_swapfile_location }}"
     state: present