feat: add docker teardown playbook

this playbook only removes swarm configurations, not the docker
installation

hosts/inventory.yaml

@@ -3,6 +3,9 @@ homelab:
     docker:
 
 docker:
+  vars:
+    robo_allowed_commands:
+      - "docker system dial-stdio"
   children:
     docker_managers:
     docker_workers:

playbooks/setup/alpine.yaml

@@ -46,36 +46,3 @@
   user: root
   roles:
     - role: common
-      vars:
-        robo_allowed_commands:
-          - "docker system dial-stdio"
-
-- name: Setup Docker
-  hosts: docker
-  user: root
-  roles:
-    - docker
-  vars:
-    users:
-      - aleidk
-      - robo
-
-- name: Setup docker swarm manager
-  hosts: docker_managers
-  user: root
-  tasks:
-    - name: Setup swarm manager
-      include_role:
-        name: docker
-        tasks_from: swarm_manager.yaml
-
-- name: Setup docker swarm workers
-  hosts: docker_workers
-  user: root
-  tasks:
-    - name: "Setup swarm workers"
-      include_role:
-        name: docker
-        tasks_from: swarm_worker.yaml
-      vars:
-        managers_group: docker_managers

playbooks/setup/docker.yaml

@@ -0,0 +1,32 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/ansible/ansible-lint/refs/heads/main/src/ansiblelint/schemas/playbook.json
+
+---
+- name: Setup Docker
+  hosts: docker
+  user: root
+  roles:
+    - docker
+  vars:
+    users:
+      - aleidk
+      - robo
+
+- name: Setup docker swarm manager
+  hosts: docker_managers
+  user: root
+  tasks:
+    - name: Setup swarm manager
+      include_role:
+        name: docker
+        tasks_from: swarm_manager.yaml
+
+- name: Setup docker swarm workers
+  hosts: docker_workers
+  user: root
+  tasks:
+    - name: "Setup swarm workers"
+      include_role:
+        name: docker
+        tasks_from: swarm_worker.yaml
+      vars:
+        managers_group: docker_managers

playbooks/teardown/docker.yaml

@@ -0,0 +1,37 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/ansible/ansible-lint/refs/heads/main/src/ansiblelint/schemas/playbook.json
+
+- name: Remove nodes from swarm
+  hosts: docker_workers
+  tasks:
+    - name: Leave node from swarm
+      community.docker.docker_swarm:
+        state: absent
+
+- name: Teardown docker swarm
+  hosts: docker_managers
+  tasks:
+    - name: Disable docker swarm mode
+      community.docker.docker_swarm:
+        state: absent
+        force: true
+
+    - name: Delete traefik network
+      community.docker.docker_network:
+        name: reverse-proxy
+        state: absent
+
+    - name: Remove docker context for each Swarm manager machine
+      ignore_errors: true
+      local_action: >
+        ansible.builtin.command docker context rm -f {{ ansible_hostname }}
+
+- name: Clean docker resources
+  hosts: docker
+  tasks:
+    - name: Prune docker resources
+      community.docker.docker_prune:
+        containers: true
+        images: true
+        networks: true
+        builder_cache: true
+