prepare_cluster_nodes.yaml

---

#
# First setup a package_cache, especially when using
# your laptop and Vagrant
#

- hosts:
   - all 
#  gather_facts: no
  tasks:
    - name: install python
      command: yum install -y python3-devel python3  

    - name: Check that the somefile.conf exists
      stat:
        path: /root/.ssh/id_rsa
      register: stat_result


    - name: Generate RSA host key
      command: "ssh-keygen -q -t rsa -f /root/.ssh/id_rsa -C \"\" -N \"\""
      when: not stat_result.stat.exists

    - name: make sure id_rsa.pub exists
      command: cat ~/.ssh/id_rsa.pub




- hosts:
   - all 
  tasks:
    - name: install sshpass
      become: yes
      raw: yum install -y sshpass 

    - name: register id_rsa.pub content
      command: cat ~/.ssh/id_rsa.pub
      register: public_rsa

    - name: add ssh key to authorized_keys 
      become: yes
      raw: echo {{  public_rsa.stdout }} >> ./.ssh/authorized_keys
      register: mainnodehosts
      with_items: groups['mainnodes']