3 files changed, 61 insertions, 0 deletions
diff --git a/playbooks/roles/swarm_cluster/swarm_init/tasks/main.yml b/playbooks/roles/swarm_cluster/swarm_init/tasks/main.yml
new file mode 100644
index 0000000..19967e9
--- /dev/null
+++ b/playbooks/roles/swarm_cluster/swarm_init/tasks/main.yml
@@ -0,0 +1,19 @@
+---
+
+- name: Check Docker Swarm Status
+  ansible.builtin.command: docker info --format '{{ "{{.Swarm.LocalNodeState}}" }}'
+  register: docker_swarm_status
+  changed_when: false
+
+- name: Initialize Docker Swarm if Inactive
+  ansible.builtin.command:
+    cmd: docker swarm init --advertise-addr "{{ ansible_default_ipv4.address }}"
+  when: docker_swarm_status.stdout == "inactive"
+  register: swarm_init
+  changed_when: '"Swarm initialized" in swarm_init.stdout'
+
+- name: Retrieve Docker Swarm Manager Token
+  ansible.builtin.command: docker swarm join-token manager -q
+  register: manager_token
+  changed_when: false
+
diff --git a/playbooks/roles/swarm_cluster/swarm_join/tasks/main.yml b/playbooks/roles/swarm_cluster/swarm_join/tasks/main.yml
new file mode 100644
index 0000000..b73030e
--- /dev/null
+++ b/playbooks/roles/swarm_cluster/swarm_join/tasks/main.yml
@@ -0,0 +1,22 @@
+---
+
+- name: Check Docker Swarm Status
+  ansible.builtin.command: docker info --format '{{ "{{.Swarm.LocalNodeState}}" }}'
+  register: docker_swarm_status
+  changed_when: false
+
+- name: Join Swarm as Manager
+  ansible.builtin.command:
+    cmd: docker swarm join --token {{ hostvars[swarm_initializer_host]['manager_token'].stdout }} {{ hostvars[swarm_initializer_host]['ansible_default_ipv4']['address'] }}:2377
+  when:
+    - hostvars[swarm_initializer_host]['manager_token'].stdout is defined
+    - docker_swarm_status.stdout != "active"
+  register: swarm_join
+  changed_when: '"This node joined a swarm as a manager" in swarm_join.stdout'
+
+- name: Label Docker Swarm Manager Nodes
+  ansible.builtin.command:
+    cmd: docker node update --label-add manager=true {{ ansible_hostname }}
+  when: swarm_join is changed
+  changed_when: false
+
diff --git a/playbooks/roles/swarm_cluster/tasks/main.yml b/playbooks/roles/swarm_cluster/tasks/main.yml
new file mode 100644
index 0000000..d2507af
--- /dev/null
+++ b/playbooks/roles/swarm_cluster/tasks/main.yml
@@ -0,0 +1,20 @@
+---
+
+- name: Enable Local Swarm Communications
+  community.general.ufw:
+    rule: allow
+    from: "{{ homelab_network }}"
+    state: enabled
+
+- name: Set swarm initializer variable
+  ansible.builtin.set_fact:
+    swarm_initializer_host: "{{ groups['swarm_cluster'][0] }}"
+
+- name: Initialize the swarm cluster on the first node
+  when: ansible_hostname == swarm_initializer_host
+  ansible.builtin.import_tasks: swarm_init/tasks/main.yml
+
+- name: Join the swarm cluster on all other nodes
+  when: ansible_hostname != swarm_initializer_host
+  ansible.builtin.import_tasks: swarm_join/tasks/main.yml
+