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#General instance configuration.
#Modify /etc/hosts on every instance to add every instance there including itself.
- name: "Add hosts to /etc/hosts"
lineinfile:
path: /etc/hosts
insertafter: EOF
regexp: "^[^ ]+ {{ item }}$"
state: present
line: "{{ hostvars[item].ansible_default_ipv4.address }} {{ item }}"
loop: "{{ groups['instances'] }}"
#Copy private ssh key to instances for easy connecting between them.
- name: "Ensure ssh directory exists"
file:
path: /root/.ssh
owner: root
group: root
mode: 0700
state: directory
- name: "Install ssh private key"
copy:
src: "{{ ansible_private_key_file }}"
dest: /root/.ssh/id_rsa
mode: 0400
#Add public ssh host keys of all instances to trust them.
- name: "Add host keys of instances to known_hosts"
shell: "ssh-keyscan {{ groups['instances'] | join(' ') }} > /root/.ssh/known_hosts"
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