---
# TODO: for now we take the PXE environment for granted, so won't install and configure DHCP and TFTP servers; that should become another block defaulting not to be processed
- name: prepare current SmartOS platform image for netbooting on a PXE server
  hosts:
    - pxe_server
  gather_facts: no
  vars:
    download: False # prior download
    notification_recipient: tamas@gerczei.eu
    smarthost: mail
    smarthost_port: 25
    tftp_dir: /data/tftproot
    smarthost_pw: !vault |
          $ANSIBLE_VAULT;1.1;AES256
          39376465636636336265393730313534663564373462616231623166656437643862333864386231
          6164323864383232643035323166663064633233646337370a613237353538636364346630323633
          37313538363837323662333635616563363333336363386631383565653934333763626133663339
          3561366536666639300a393537323937633435356639303736653764653962663665363034373031
          36633338653533383164386363363439316263306234656432643931663037326634
    image_dir: "{{ tftp_dir }}/smartos"
    tftp_user: nobody
    tftp_group: nogroup
  tasks:
    - name: fetch platform image
      get_url:
        url: https://us-east.manta.joyent.com/Joyent_Dev/public/SmartOS/platform-latest.tgz # no Manta at eu-ams-1
        dest: /var/tmp/
      when: download

    - name: obtain provided platform image
      copy:
        src: /var/tmp/platform-latest.tgz
        dest: /tmp/
        remote_src: yes
      register: tarball

    - name: ensure directories exist
      file:
        path: "{{ image_dir }}"
        state: directory
      become: yes

    - name: process new tarball
      block:

        - name: extract new platform image
          unarchive:
            src: /tmp/platform-latest.tgz
            dest: "{{ image_dir }}"
            extra_opts:
              - --transform
              - 's/^platform-//;s/i86pc/platform\/i86pc/'
            remote_src: yes
            owner: "{{ tftp_user }}"
            group: "{{ tftp_group }}"
          become: yes

        - name: find images
          find:
            paths: "{{ image_dir }}"
            file_type: directory
          register: found_images

        - name: determine latest release
          set_fact:
            last_release: "{{ ( found_images.files | sort(attribute='mtime',reverse=true) | first )['path'] | basename }}"

        - name: generate iPXE configuration
          template:
            src: smartos_ipxe.j2
            dest: "{{ tftp_dir }}/smartos.ipxe"
            owner: "{{ tftp_user }}"
            group: "{{ tftp_group }}"
            backup: yes
          become: yes

        - name: send e-mail notification
          mail:
            host: "{{ smarthost }}"
            port: "{{ smarthost_port }}"
            secure: starttls
            username: "{{ smarthost_user | default(notification_recipient) }}"
            password: "{{ smarthost_pw }}"
            from: "Ansible <noreply@fejezd.be>"
            to: "{{ notification_recipient }}"
            subject: "SmartOS update ({{ last_release }}) available"
            body: "created {{ image_dir }}/{{ last_release }} and {{ tftp_dir }}/smartos.ipxe"

      when: tarball is changed