http.yml

---
- name: start HTTP server
  hosts: server
  vars:
    server_port: "{{ server.port }}"
  gather_facts: true
  tasks:
    - name: upload the index.html
      template:
        src: templates/index.html.j2
        dest: /root/index.html
        mode: 0644
        owner: root
        group: root
      become: true

    - name: start busybox based HTTP server
      shell: nohup busybox httpd -f -p "{{ server_port }}" 0<&- &> /tmp/script.log &
      register: result
      changed_when: false
      become: true

    - name: print out the result
      debug: var=result
      delegate_to: local

- name: HTTP connection between two droplets
  hosts: client
  vars:
    server_port: "{{ server.port }}"
    timeout: 3
    debug: false
  gather_facts: false
  tasks:
    - name: check the HTTP reachability (IPv4)
      uri:
        url: "http://{{ server.ipv4 }}:{{ server_port }}"
        timeout: "{{ timeout }}"
      register: result
      ignore_errors: "{{ debug }}"

    - name: print out the result
      debug: var=result

    - name: check the HTTP reachability (private IPv4)
      uri:
        url: "http://{{ server.ipv4_private }}:{{ server_port }}"
        timeout: "{{ timeout }}"
      register: result
      ignore_errors: "{{ debug }}"

    - name: print out the result
      debug: var=result

    - name: check the HTTP reachability (IPv6)
      uri:
        url: "http://[{{ server.ipv6 }}]:{{ server_port }}"
        timeout: "{{ timeout }}"
      register: result
      ignore_errors: "{{ debug }}"

    - name: print out the result
      debug: var=result

    - name: check the HTTP reachability (Floating IP)
      uri:
        url: "http://{{ server.flip }}:{{ server_port }}"
        timeout: "{{ timeout }}"
      register: result
      ignore_errors: "{{ debug }}"

    - name: print out the result
      debug: var=result

- name: stop HTTP server
  hosts: server
  gather_facts: false
  tasks:
    - name: stop busybox based httpd server
      command: killall busybox
      changed_when: false
      become: true