---
# Copyright 2017, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in witing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Gather facts
  hosts: pxe_hosts
  gather_facts: "{{ gather_facts | default(true) }}"
  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - deploy-pxe
  tasks:
    - name: Gather variables for each operating system
      include_vars: "{{ item }}"
      with_first_found:
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_distribution | lower }}.yml"
        - "{{ playbook_dir }}/vars/{{ ansible_os_family | lower }}.yml"
      tags:
        - always

    - name: Install host distro packages
      package:
        name: "{{ mnaio_pxe_distro_packages }}"
        state: "latest"
        update_cache: yes
        cache_valid_time: 600
      register: _install_host_packages
      until: _install_host_packages is success
      retries: 3
      delay: 15

    - name: Create base directories
      file:
        path: "{{ item }}"
        state: directory
        owner: "root"
        group: "root"
        mode: "0755"
      with_items:
        - /var/www/pxe
        - /var/www/pxe/configs
        - /var/www/pxe/images
        - /var/www/pxe/networking
        - /var/www/pxe/scripts
        - /var/www/pxe/templates
        - /var/lib/tftpboot
        - /var/lib/tftpboot/ipxe

    - name: Get root public key
      command: cat /root/.ssh/id_rsa.pub
      register: public_key_get
      changed_when: false
      when:
        - tftp_ssh_key is undefined

    - name: Set key facts
      set_fact:
        tftp_ssh_key: "{{ public_key_get.stdout }}"
      when:
        - tftp_ssh_key is undefined

    - name: Drop NGINX config
      copy:
        src: "pxe/sites-enabled.default"
        dest: /etc/nginx/sites-enabled/default
        mode: "0644"
        owner: root
        group: root
      notify:
        - restart nginx

    - name: Drop tftp-hpa configs
      template:
        src: "pxe/tftp/tftp-hpa"
        dest: /etc/default/tftpd-hpa
        mode: "0644"
        owner: root
        group: root
      notify:
        - restart tftp-hpa

    - name: Download iPXE
      get_url:
        url: "{{ ipxe_kernel_base_url }}/{{ item.filename }}"
        dest: "/var/lib/tftpboot/{{ item.dest }}"
        tmp_dest: /tmp/
      with_items:
        - { filename: 'ipxe.lkrn', dest: 'ipxe.lkrn' }
        - { filename: 'ipxe.efi', dest: 'ipxe.efi' }
        - { filename: 'undionly.kpxe', dest: 'undionly.kpxe' }

    - name: Drop ipxe default menu
      template:
        src: "pxe/tftp/boot.ipxe.j2"
        dest: "/var/lib/tftpboot/boot.ipxe"
        mode: "0644"
        owner: root
        group: root

    - name: Register network_setup fact
      set_fact:
        network_setup: "{{ images[default_vm_image]['network_setup'] }}"

# ENI Block
    - name: Generate guest networking scripts for /e/n/i family
      template:
        src: "pxe/configs/eni/vm-bridges.cfg.j2"
        dest: /var/www/pxe/networking/{{ hostvars[item]['server_hostname'] }}-bridges.cfg
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"
      when: network_setup | lower == "eni"

    - name: Generate post-install network scripts for /e/n/i family
      template:
        src: "pxe/configs/eni/{{ item.src }}"
        dest: /var/www/pxe/{{ item.dir }}/{{ item.dest }}
        mode: "0644"
        owner: root
        group: root
      with_items:
        - src: basic-interface.cfg
          dest: basic-debian-interface.cfg
          dir: networking
        - src: eni-post-network-script.sh.j2
          dest: vm-post-network-script.sh
          dir: scripts
      when: network_setup | lower == "eni"

# Systemd-networkd Block
    - name: Generate vm network scripts for systemd-network family
      template:
        src: "pxe/configs/systemd-networkd/systemd-network.sh.j2"
        dest: /var/www/pxe/networking/{{ hostvars[item]['server_hostname'] }}-systemd-network.sh
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"
      when: network_setup | lower == "systemd-networkd"

    - name: Generate post-install networks scripts for systemd-networkd family
      template:
        src: "pxe/configs/systemd-networkd/systemd-networkd-post-network-script.sh.j2"
        dest: /var/www/pxe/scripts/vm-post-network-script.sh
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"
      when: network_setup | lower == "systemd-networkd"

# Debian Block
    - name: Generate post-install scripts for Debian family
      template:
        src: "pxe/configs/debian/vm-post-install-script.sh.j2"
        dest: /var/www/pxe/scripts/vm-post-install-debian-script.sh
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"
      when: images[default_vm_image]['image_type'] | lower == "debian"

# Redhat Block
    - name: Generate post-install scripts for RedHat family
      template:
        src: "pxe/configs/redhat/vm-post-install-script.sh.j2"
        dest: /var/www/pxe/scripts/vm-post-install-redhat-script.sh
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"
      when: images[default_vm_image]['image_type'] | lower == "redhat"

    - name: tftp configs for servers
      template:
        src: "pxe/tftp/boot.ipxe.macaddr.j2"
        dest: "/var/lib/tftpboot/ipxe/{{ hostvars[item]['server_mac_address'] | replace(':', '-') | lower }}"
        mode: "0644"
        owner: root
        group: root
      with_items: "{{ groups['pxe_servers'] }}"

    - name: Preseeds for pxe vm
      template:
        src: "pxe/configs/{{ images[default_vm_image]['image_type'] | lower }}/vm.config.j2"
        dest: /var/www/pxe/configs/vm.config
        mode: "0644"
        owner: root
        group: root
      with_dict: "{{ images }}"

    - name: Preseeds for pxe vm-compute
      template:
        src: "pxe/configs/{{ images[default_vm_image]['image_type'] | lower }}/vm-compute.config.j2"
        dest: /var/www/pxe/configs/vm-compute.config
        mode: "0644"
        owner: root
        group: root
      with_dict: "{{ images }}"

    - name: Ensure permissions are correct
      file:
        dest: "{{ item }}"
        mode: u=rwX,g=rX,o=rX
        recurse: yes
      with_items:
        - "/var/lib/tftpboot"
        - "/var/www/pxe"

  handlers:
    - name: restart nginx
      service:
        name: "nginx"
        state: restarted
        enabled: yes

    - name: restart tftp-hpa
      service:
        name: "tftpd-hpa"
        state: restarted
        enabled: yes

    - name: restart inetd
      service:
        name: "inetutils-inetd"
        state: restarted
        enabled: yes