add hosts role

tasks/main.yaml

@@ -0,0 +1,16 @@
+---
+- block:
+  - name: add ip address of all hosts to all hosts
+    lineinfile:
+      dest: /etc/hosts
+      regexp: '.*{{ item }} {{ item.split(".")[0] }}$'
+      line: "{{ hostvars[item].ansible_host }} {{ item }} {{ item.split('.')[0] }}"
+      state: present
+    when:
+      - hostvars[item].ansible_host is defined
+      - hostvars[item].pin_hosts is defined
+    with_items: "{{ groups.all }}"
+    tags:
+      - hosts
+
+  become: true