provision.yml

---
# 2015/11/27 by Marji
# 2020/12/05 by Pratik Raj
#
# An ansible playbook to provision a new linode and give it a hostname
# and a FQDN, deploys a public ssh key under its root account.
# 
# Usage:
#   
#   export LINODE_API_KEY=4kfjh59shlhdkjhksdj00sdsTTsskklkjoiRPrbDtgHY
#   ansible-playbook --extra-vars server_hostname=hades provision.yml
#
- name: Provision new linode
  hosts: localhost
  connection: local
  gather_facts: false

  vars_files:
  - vars/config.yml

  tasks:
  - name: Fail if server_hostname is not defined
    fail: msg="server_hostname needs to be defined via commandline, e.g. --extra-vars server_hostname=flower"
    when: server_hostname is not defined

  - name: Create linode server via Linode API
    # http://docs.ansible.com/ansible/linode_module.html
    linode_v4:
      label: "{{ label }}"
      access_token: "{{ token }}"
      type: "{{ instance_type }}"
      region: "{{ region }}"
      image: "{{ instance_image }}"
      root_pass: "{{ password }}"
      authorized_keys: "{{ root_ssh_pub_key }}"
      group: "{{ group }}"
      tags: "{{ tag }}"
      state: present
    register: linode

  - name: Show me the registered linode
    debug: var=linode

  - name: Add new host to in-memory inventory
    add_host:
      hostname: "{{ linode.instance.ipv4[0] }}"
      groupname: "linode"

  - name: Wait for Linode to listen on port 22
    wait_for:
      state: started
      host: "{{ linode.instance.ipv4[0] }}"
      port: 22



- name: Common configuration on the new server
  hosts: linode
  user: root

  vars_files:
    - vars/config.yml
  vars:
    server_fqdn: "{{ server_hostname }}.{{ server_domain }}"

  tasks:
    - name: set hostname
      hostname: name="{{ server_hostname }}"

    - name: set FQDN
      lineinfile:
        dest=/etc/hosts
        regexp='{{ item }}$'
        line="{{ item }} {{ server_fqdn }} {{ server_hostname }}"
        state=present
      with_items: groups['linode']

    - name: ssh key only
      copy: src=files/ssh/sshd_config dest=/etc/ssh/sshd_config
      notify: restart ssh

  handlers:
    - name: restart ssh
      service: name=ssh state=restarted


# vim:ft=ansible: