--- - name: Weave seed | Set seed if first time set_fact: seed: '{% for host in groups["k8s-cluster"] %}{{ hostvars[host]["ansible_default_ipv4"]["macaddress"] }}{% if not loop.last %},{% endif %}{% endfor %}' when: "weave_seed == 'uninitialized'" run_once: true tags: - confweave - name: Weave seed | Set seed if not first time set_fact: seed: '{{ weave_seed }}' when: "weave_seed != 'uninitialized'" run_once: true tags: - confweave - name: Weave seed | Set peers if fist time set_fact: peers: '{{ weave_ip_current_cluster }}' when: "weave_peers == 'uninitialized'" run_once: true tags: - confweave - name: Weave seed | Set peers if existing peers set_fact: peers: '{{ weave_peers }}{% for ip in weave_ip_current_cluster.split(" ") %}{% if ip not in weave_peers.split(" ") %} {{ ip }}{% endif %}{% endfor %}' when: "weave_peers != 'uninitialized'" run_once: true tags: - confweave - name: Weave seed | Save seed lineinfile: dest: "./inventory/group_vars/k8s-cluster.yml" state: present regexp: '^weave_seed:' line: 'weave_seed: {{ seed }}' become: no delegate_to: 127.0.0.1 run_once: true tags: - confweave - name: Weave seed | Save peers lineinfile: dest: "./inventory/group_vars/k8s-cluster.yml" state: present regexp: '^weave_peers:' line: 'weave_peers: {{ peers }}' become: no delegate_to: 127.0.0.1 run_once: true tags: - confweave