feat: complete base docker setup

hosts/inventory.ini

@@ -1,2 +1,5 @@
 [homelab]
 10.0.10.50
+
+[docker]
+10.0.10.50 docker_swarm_manager=true

playbooks/setup/alpine.yaml

@@ -1,3 +1,6 @@
+
+# > /COPILOT_GENERATE I'm writing an ansible playbook to setup a new alpine server, I want you to help me to generate some tasks
+
 - name: Setup an alpine machine
   hosts: homelab
   user: root
@@ -82,11 +85,25 @@
         key: "{{ robo.authorized_key }}"
         key_options: "command=\"{{ robo.allowed_commands | join('; ') }}\""
 
+  handlers:
+    - name: Restart sshd
+      ansible.builtin.service:
+        name: sshd
+        state: restarted
+
+- name: Setup Docker
+  hosts: docker
+  user: root
+  vars_files:
+    ../../variables/secrets.yaml
+  tasks:
     - name: Install packages
       ansible.builtin.package:
         state: present
         name:
           - docker
+          - py3-pip
+          - py3-docker-py
 
     - name: Start docker service
       ansible.builtin.service:
@@ -94,8 +111,28 @@
         state: started
         enabled: true
 
-  handlers:
-    - name: Restart sshd
-      ansible.builtin.service:
-        name: sshd
-        state: restarted
+    - name: Setup Docker Swarm
+      when: docker_swarm_manager | bool
+      block:
+      - name: Enable Docker Swarm mode
+        community.docker.docker_swarm:
+          state: present
+          advertise_addr: "{{ ansible_default_ipv4.address }}"
+
+      - name: Check if Docker context exists
+        local_action: ansible.builtin.command docker context inspect {{ ansible_hostname }}
+        register: context_exists
+        ignore_errors: true
+
+      - name: Create Docker context for each Swarm manager machine
+        local_action: >
+          ansible.builtin.command docker context create {{ ansible_hostname }} --docker "host=ssh://{{ ansible_default_ipv4.address }}"
+        when: context_exists.stderr != ''
+
+    - name: Join Docker Swarm as a worker
+      community.docker.docker_swarm:
+        state: join
+        join_token: "{{ hostvars['manager']['docker_swarm_worker_token'] }}"
+        remote_addrs: ["{{ hostvars['manager']['ansible_default_ipv4']['address'] }}"]
+      when: not docker_swarm_manager | bool
+