Ansible-Linux_Base/roles/base/tasks/core_hostname.yml

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2021-09-01 17:31:49 -06:00
---
# file: roles/base/tasks/core_hostname.yml
- name: Ensure system hostname
hostname:
name: "{{ base_core_hostname }}"
when: base_core_hostname != "" and base_core_hostname != ansible_facts['nodename']
register: hostname_change
notify: Reboot Host
- block:
- name: Ensure hostname is set in /etc/hosts
lineinfile:
dest: /etc/hosts
regexp: '^127\.0\.0\.1[ \t]+localhost'
line: '127.0.0.1 localhost {{ base_core_hostname }}'
state: present
- name: Ensure hostname is set in /etc/hosts
lineinfile:
dest: /etc/hosts
regexp: '^127\.0\.1\.1[ \t]'
line: '127.0.1.1 {{ base_core_hostname }}'
state: present
- name: Remove ssh certs
file:
state: absent
path: "{{item}}"
loop:
- /etc/ssh/ssh_host_rsa_key
- /etc/ssh/ssh_host_dsa_key
- /etc/ssh/ssh_host_ecdsa_key
- /etc/ssh/ssh_host_ed25519_key
- name: Generate /etc/ssh/ RSA host key
command : ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key -C "" -N ""
args:
creates: /etc/ssh/ssh_host_rsa_key
- name: Generate /etc/ssh/ DSA host key
command : ssh-keygen -q -t dsa -f /etc/ssh/ssh_host_dsa_key -C "" -N ""
args:
creates: /etc/ssh/ssh_host_dsa_key
- name: Generate /etc/ssh/ ECDSA host key
command : ssh-keygen -q -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -C "" -N ""
args:
creates: /etc/ssh/ssh_host_ecdsa_key
- name: Generate /etc/ssh/ ED25519 host key
command : ssh-keygen -q -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -C "" -N ""
args:
creates: /etc/ssh/ssh_host_ed25519_key
when: hostname_change.changed
- name: Flush handlers
meta: flush_handlers