kubespray/roles/network_plugin/weave/tasks/seed.yml

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---
- 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