chore: ansible-lint review (almost done)

roles/net_config/README.md

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+# net-config
+
+This role configures a network interface.
+
+## Requirements
+
+None
+
+## Example Playbook
+
+```yaml
+- hosts: servers
+  roles:
+      - role: net-config
+        interface:
+            name: lan0
+            mac_address: 02:a0:c9:8d:7e:b6
+            address: 192.168.1.2/24
+            gateway: 192.168.1.254
+            nameservers:
+                - 1.1.1.1
+                - 8.8.8.8
+```
+
+## License
+
+MIT
+
+## Author Information
+
+Jokester <main@jokester.fr>

roles/net_config/meta/main.yml

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+---
+galaxy_info:
+  author: Jokester <main@jokester.fr>
+  description: Configure the network as set in the inventory
+  license: MIT
+  min_ansible_version: "2.10"
+  galaxy_tags:
+    - network
+    - configuration
+    - linux
+    - debian
+    - archlinux
+  platforms:
+    - name: Debian
+      versions:
+        - all
+    - name: ArchLinux
+      versions:
+        - all

roles/net_config/tasks/main.yml

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+---
+- name: Check if the interface ipv4 address is defined
+  ansible.builtin.debug:
+    msg: "Warning: iface {{ interface.name }} has no defined ipv4 address, skipping configuration"
+  when: interface.ipv4.address is not defined
+
+- name: Process interface configuration
+  when: interface.ipv4.address is defined
+  block:
+    - name: Create systemd-netdev file for virtual interface
+      when:
+        - interface.type is defined
+        - interface.type != 'ethernet'
+      ansible.builtin.template:
+        src: systemd.netdev.j2
+        dest: /etc/systemd/network/10-{{ interface.name }}.netdev
+        owner: root
+        group: root
+        mode: "0644"
+      register: netdev_result
+
+    - name: Create systemd-network configuration file
+      ansible.builtin.template:
+        src: systemd.network.j2
+        dest: /etc/systemd/network/20-{{ interface.name }}.network
+        owner: root
+        group: root
+        mode: "0644"
+      register: network_result
+
+    - name: Notify a reload is required
+      ansible.builtin.set_fact:
+        network_reload_required: true
+      when: netdev_result is changed or network_result is changed

roles/net_config/templates/systemd.netdev.j2

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+# {{ ansible_managed }}
+# systemd.netdev(5)
+
+[NetDev]
+Name={{ interface.name }}
+Kind={{ interface.type }}

roles/net_config/templates/systemd.network.j2

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+# {{ ansible_managed }}
+# systemd.network(5)
+
+[Match]
+Name={{ interface.name }}
+
+[Address]
+Address={{ interface.ipv4.address }}
+{% if interface.ipv4.metric is defined %}
+RouteMetric={{ interface.ipv4.metric }}
+{% endif %}
+
+[Network]
+{% if interface.type is defined and interface.type == 'bridge' %}
+ConfigureWithoutCarrier=yes
+{% endif %}
+{% if interface.ipv4.nameservers is defined %}
+{% for dns in interface.ipv4.nameservers %}
+DNS={{ dns }}
+{% endfor %}
+{% endif %}
+
+{% if interface.ipv4.gateway is defined %}
+[Route]
+Gateway={{ interface.ipv4.gateway }}
+{% if interface.ipv4.metric is defined %}
+Metric={{ interface.ipv4.metric }}
+{% endif %}
+{% endif %}