create network role and include it into base (only openbsd does something)

roles/network/tasks/OpenBSD.yml

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+---
+
+- name: create ethernet interface configurations
+  template:
+    src: hostname.if.j2
+    dest: "/etc/hostname.{{ item.device }}"
+    mode: 0600
+    owner: root
+    group: "{{ ansible_wheel }}"
+  with_items: "{{ network_ether_interfaces }}"
+  notify: restart network
+
+- block:
+    - name: create carp interface configurations
+      template:
+        src: hostname.carp.j2
+        dest: "/etc/hostname.carp{{ item.vhid }}"
+        mode: 0600
+        owner: root
+        group: "{{ ansible_wheel }}"
+      with_items: "{{ network_carp_interfaces }}"
+      notify: restart network
+    - name: enable carp preempt
+      sysctl:
+        name: net.inet.carp.preempt
+        value: 1
+  when: network_carp_interfaces != []
+
+- name: set default gateway
+  copy:
+    content: "{{ network_default_gateway }}\n"
+    dest: /etc/mygate
+    mode: 0600
+    owner: root
+    group: "{{ ansible_wheel }}"
+  notify: restart network
+  when: network_default_gateway is defined

roles/network/tasks/RedHat.yml

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+---

roles/network/tasks/main.yml

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+---
+- name: include os spcific tasks
+  include_tasks: "{{ ansible_os_family }}.yml"
+
+- name: create resolv.conf
+  template:
+    src: resolv.conf.j2
+    dest: /etc/resolv.conf
+    mode: 0644
+    owner: root
+    group: "{{ ansible_wheel }}"
+  when: network_dns_servers is defined