Add linter into CI and fix linter issues

This commit adds the linter check for YAML and Markdown files, and fixes the
already present issues.

.github/workflows/main.yml

@@ -1,12 +1,12 @@
 ---
 
-name: Linter and test the project                                                        
-                                                                                
+name: Linter and test the project
+
 env:
   ANSIBLE_INVENTORY_UNPARSED_WARNING: 'False'
   ANSIBLE_LOCALHOST_WARNING: 'False'
 
-on: [push]  
+on: ['push']
 
 jobs:
   lint:
@@ -17,8 +17,10 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-      - name: YAML check
-        run: yamllint tests/terraform_tfs_generator.yml
+      - name: Markdown files check
+        run: mdl $(find . -name *.md)
+      - name: YAML files check
+        run: yamllint $(find . -name *.yml -or -name *.yaml)
       - name: Ansible Linter check
         run: ansible-lint tests/terraform_tfs_generator.yml
       - name: Ansible syntax check

tasks/azure-vms.yml

@@ -6,6 +6,6 @@
     dest: "{{ item.dest }}"
     mode: '0640'
   with_items:
-    - { src: "azure/vms.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.vms.tf" }
-    - { src: "azure/disks.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.disks.tf" }
-    - { src: "azure/nics.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.nics.tf" }
+    - {src: "azure/vms.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.vms.tf"}
+    - {src: "azure/disks.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.disks.tf"}
+    - {src: "azure/nics.tf.j2", dest: "{{ terraform_config_dir }}/azure/{{ group_name }}.nics.tf"}

tasks/libvirt-vms.yml

@@ -6,4 +6,4 @@
     dest: "{{ item.dest }}"
     mode: '0640'
   with_items:
-    - { src: "libvirt/vms.tf.j2", dest: "{{ terraform_config_dir }}/{{ terraform_group_name }}.vms.tf" }
+    - {src: "libvirt/vms.tf.j2", dest: "{{ terraform_config_dir }}/{{ terraform_group_name }}.vms.tf"}