Create main.yml

roles/configure-admin/tasks/main.yml

@@ -0,0 +1,25 @@
+---
+- name: Generate SSH keys
+  shell: ssh-keygen -b 2048 -f /home/docker/.ssh/id_rsa -t rsa -q -N "" 
+  args:
+    creates: /home/docker/.ssh/id_rsa
+- name: Copy Public Key Locally
+  fetch:
+    src: /home/docker/.ssh/id_rsa.pub
+    dest: /tmp/
+    flat: yes
+- name: Copy SSH Configuration
+  copy:
+    src: ssh_config
+    dest: /home/docker/.ssh/config
+    mode: 0644
+- name: empty known_hosts
+  file:
+    state: absent
+    path: ~/.ssh/known_hosts
+- name: run ssh-keyscan to add keys to known_hosts
+  shell: "ssh-keyscan {{ item }} >> ~/.ssh/known_hosts"
+  with_items:
+    - "swarm-manager"
+    - "swarm-worker-1"
+    - "swarm-worker-2"