add plattform services

iac/ansible/roles/docker_swarm/tasks/main.yml

@@ -0,0 +1,58 @@
+---
+- name: SWARM | Ensure Docker SDK for Python is installed
+  ansible.builtin.apt:
+    name: python3-docker
+    state: present
+
+- name: SWARM | Get interface IP address for the manager
+  ansible.builtin.set_fact:
+    manager_ip: "{{ hostvars[inventory_hostname]['ansible_' + private_interface]['ipv4']['address'] }}"
+  when: inventory_hostname == groups['managers'][0]
+
+- name: SWARM | Initialize the Docker Swarm
+  community.docker.docker_swarm:
+    state: present
+    advertise_addr: "{{ manager_ip }}"
+  when: inventory_hostname == groups['managers'][0]
+  register: swarm_init_result
+
+- name: SWARM | Get the join tokens
+  community.docker.docker_swarm_info:
+  register: swarm_info
+  when: inventory_hostname == groups['managers'][0]
+
+- name: SWARM | Verify that join tokens were fetched
+  ansible.builtin.assert:
+    that:
+      - swarm_info is defined
+      - swarm_info.swarm_facts is defined
+      - swarm_info.swarm_facts.JoinTokens.Manager is defined
+      - swarm_info.swarm_facts.JoinTokens.Worker is defined
+    fail_msg: "Konnte die Join-Tokens vom Swarm Manager nicht abrufen. Ist der Swarm korrekt initialisiert?"
+    success_msg: "Join-Tokens erfolgreich abgerufen."
+  when: inventory_hostname == groups['managers'][0]
+
+- name: SWARM | Join manager nodes to the Swarm
+  community.docker.docker_swarm:
+    state: join
+    remote_addrs: [ "{{ hostvars[groups['managers'][0]]['manager_ip'] }}:2377" ]
+    join_token: "{{ hostvars[groups['managers'][0]]['swarm_info']['swarm_facts']['JoinTokens']['Manager'] }}"
+  when: inventory_hostname in groups['managers']
+
+- name: SWARM | Join worker nodes to the Swarm
+  community.docker.docker_swarm:
+    state: join
+    remote_addrs: [ "{{ hostvars[groups['managers'][0]]['manager_ip'] }}:2377" ]
+    join_token: "{{ hostvars[groups['managers'][0]]['swarm_info']['swarm_facts']['JoinTokens']['Worker'] }}"
+  when: inventory_hostname in groups['workers']
+
+- name: SWARM | Verify Swarm Cluster State (run on manager)
+  ansible.builtin.command: docker node ls
+  register: swarm_nodes
+  changed_when: false
+  when: inventory_hostname == groups['managers'][0]
+
+- name: SWARM | Display cluster state
+  ansible.builtin.debug:
+    msg: "{{ swarm_nodes.stdout_lines }}"
+  when: inventory_hostname == groups['managers'][0]