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- name: Add cluster hostnames to /etc/hosts file
lineinfile:
path: /etc/hosts
line: "{{ ansible_default_ipv4.address + ' ' + ansible_hostname }}"
- name: Enable IP forwarding
ansible.posix.sysctl:
name: net.ipv4.ip_forward
value: '1'
sysctl_set: yes
- name: Create PREROUTING rule
ansible.builtin.iptables:
table: nat
chain: PREROUTING
protocol: tcp
destination_port: "{{ destination.port }}"
jump: DNAT
to_destination: "{{ destination.address }}:{{ destination.port }}"
- name: Create OUTPUT rule
ansible.builtin.iptables:
table: nat
chain: OUTPUT
protocol: tcp
destination: "{{ ansible_default_ipv4.address }}"
destination_port: "{{ destination.port }}"
jump: DNAT
to_destination: "{{ destination.address }}"
- name: Enable masquerading
ansible.builtin.iptables:
table: nat
chain: POSTROUTING
jump: MASQUERADE
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