refactor: restructure inventory, split roles and add new services

roles/sysctl/handlers/main.yml

@@ -0,0 +1,3 @@
+---
+- name: reload sysctl
+  ansible.builtin.command: sysctl -p /etc/sysctl.d/99-custom.conf

roles/sysctl/tasks/configure.yml

@@ -0,0 +1,8 @@
+- name: deploy sysctl config
+  ansible.builtin.template:
+    src: sysctl.conf.j2
+    dest: "/etc/sysctl.d/99-custom.conf"
+    owner: root
+    group: root
+    mode: '0644'
+  notify: reload sysctl

roles/sysctl/tasks/main.yml

@@ -0,0 +1,3 @@
+---
+- name: include sysctl configure
+  ansible.builtin.include_tasks: configure.yml

roles/sysctl/templates/sysctl.conf.j2

@@ -0,0 +1,3 @@
+{% for key, value in sysctl.items() %}
+{{ key }} = {{ value }}
+{% endfor %}