klal

roles/docker_swarm/tasks/main.yml

@@ -0,0 +1,29 @@
+- name: Setup docker
+  become: "{{ false if inventory_hostname == 'nas.home.lan' else true }}"
+  collections:
+    - community.docker
+  block:
+    - name: Facts
+      ansible.builtin.setup:
+    - name: Install Docker SDK for Python
+      pip:
+        name: docker>=5.0.0
+        executable: pip3
+        break_system_packages: true
+    - name: Initialize swarm
+      docker_swarm:
+        state: present
+        listen_addr: "{{ ansible_default_ipv4.address }}:2377"
+      register: swarm_init
+      when: inventory_hostname == "vm01.home.lan"
+
+    - name: Show join tokens
+      ansible.builtin.debug:
+        msg:
+          - "Manager join token: {{ swarm_init.swarm_facts['JoinTokens']['Manager'] }}"
+          - "Worker join token: {{ swarm_init.swarm_facts['JoinTokens']['Worker'] }}"
+      when: inventory_hostname == "vm01.home.lan"
+
+    - name: Join swarm as worker
+      shell: docker swarm join --token {{ hostvars['vm01.home.lan']['swarm_init'].swarm_facts['JoinTokens']['Worker'] }} {{ hostvars['vm01.home.lan']['ansible_default_ipv4']['address'] }}:2377
+      when: inventory_hostname != "vm01.home.lan"