# All hosts are debian 10
---
# Common
- hosts: daily,compute,nfs,proxy
  become: yes
  handlers:
    - import_tasks: handlers.yml
  tasks:
    # Core
    - name: Set hostname
      hostname:
        name: "{{ hostname }}"

    - name: Install common packages
      apt:
        name:
          - apt-listchanges
          - chrony
          - curl
          - dma
          - git
          - htop
          - iperf3
          - mosh
          - nfs-common
          - nmap
          - oidentd
          - rsync
          - smartmontools
          - snapd
          - speedtest-cli
          - tmux
          - tor
          - unattended-upgrades
          - vim
        force_apt_get: yes
        update_cache: yes

    - name: Disable MOTDs
      file:
        path: /etc/update-motd.d/10-uname
        mode: '0644'

    - name: Set MOTD
      copy:
        src: files/motd
        dest: /etc/motd
        owner: root
        group: root
        mode: '0644'

    # No automatic reboots
    - name: Configure unattended-upgrades
      copy:
        src: files/50unattended-upgrades
        dest: /etc/apt/apt.conf.d/50unattended-upgrades
        owner: root
        group: root
        mode: '0644'

    - name: Enable auto-upgrades
      copy:
        src: files/20auto-upgrades
        dest: /etc/apt/apt.conf.d/20auto-upgrades
        owner: root
        group: root
        mode: '0644'

    - name: Disable power and reset buttons
      copy:
        src: files/logind.conf
        dest: /etc/systemd/logind.conf
        owner: root
        group: root
        mode: '0644'
      notify: Restart systemd-logind service

    - name: Set chrony ntp servers
      template:
        src: templates/chrony.conf.j2
        dest: /etc/chrony/chrony.conf
        owner: root
        group: root
        mode: '0644'
      notify: Restart chrony service

    # Core networking
    - name: Configure sshd_config to listen on 22/37121 and disable password auth
      copy:
        src: files/sshd_config
        dest: /etc/ssh/sshd_config
        owner: root
        group: root
        mode: '0644'
      notify: Restart sshd service

    ## Changes will take effect during next reboot, does not effect static IPs
    - name: Configure sysctl with IPv6 privacy extensions
      template:
        src: templates/local.conf.j2
        dest: /etc/sysctl.d/local.conf
        owner: root
        group: root
        mode: '0644'

    - name: Configure smartd
      copy:
        src: files/smartd.conf
        dest: /etc/smartd.conf
        owner: root
        group: root
        mode: '0644'
      notify: Restart and enable smartd

    - name: Install tor config
      copy:
        src: files/torrc
        dest: /etc/tor/torrc
        owner: root
        group: root
        mode: '0644'
      notify: Restart and enable tor

    - debug:
        msg: Manually get tor hostname

# Common dynamic settings
- hosts: compute,daily,proxy
  become: yes
  handlers:
    - import_tasks: handlers.yml
  tasks:
    - name: Copy Dynamic DNS script
      template:
        src: templates/gandi-ddns.sh.j2
        dest: /usr/local/bin/gandi-ddns.sh
        owner: root
        group: root
        mode: '0755'
      when: gandi is defined

    - name: Add Dynamic DNS cronjob
      cron:
        name: "Update dynamic dns"
        job: /usr/local/bin/gandi-ddns.sh
        special_time: daily
        user: root
      when: gandi is defined

# Custom repo config
- hosts: compute
  become: yes
  handlers:
    - import_tasks: handlers.yml
  tasks:
    - name: Install compute packages
      apt:
        name:
          - podman
          - sshfs
        force_apt_get: yes
        update_cache: yes

    - name: Mount bigdummy /bigdata via NFS
      mount:
        src: root@10.42.0.202:/bigdata
        path: /bigdata
        fstype: fuse.sshfs
        opts: reconnect,allow_other,_netdev,IdentityFile=/home/paul/.ssh/id_rsa_fast
        state: mounted

    - name: Mount vtluug /media via sshfs
      mount:
        src: pew-media@dirtycow.vtluug.org:/nfs/cistern/share/media
        path: /media-vtluug
        fstype: fuse.sshfs
        opts: reconnect,allow_other,ro,_netdev,IdentityFile=/home/paul/.ssh/id_rsa_fast
        state: mounted

    # /home/paul/.ssh/id_rsa_fast must exist
    - name: Install sshtunnel systemd service
      copy:
        src: files/fogcutter/sshtunnel.service
        dest: /etc/systemd/system/sshtunnel.service
        owner: root
        group: root
        mode: '0644'
      notify: Load, start, and enable sshtunnel service

    - debug:
        msg: Start podman services manually

# NFS core config
# ASSUMES /bigdata IS CONFIGURED (make sure dir is 755)
- hosts: nfs
  become: yes
  handlers:
    - import_tasks: handlers.yml
  tasks:
    - name: Install zfs-zed, dma, and nfs-kernel-server
      apt:
        name:
          - beets
          - dma
          - nfs-kernel-server
          - zfs-auto-snapshot
          - zfs-zed
        force_apt_get: yes
        update_cache: yes

    - name: Configure zfs-zed
      copy:
        src: files/zed.rc
        dest: /etc/zfs/zed.d/zed.rc
        owner: root
        group: root
        mode: '0644'
      notify: Restart zfs-zed

    - name: Install weekly bigdata scrub cron job
      cron:
        name: 'Scrub bigdata zfs pool'
        special_time: weekly
        job: 'zpool scrub bigdata'
        user: root

    - name: Install rclone
      apt:
        deb: https://github.com/rclone/rclone/releases/download/v1.49.2/rclone-v1.49.2-linux-amd64.deb
        force_apt_get: yes

    - debug:
        msg: Manually configure rclone remote drive

    - name: Export /bigdata
      copy:
        src: files/exports
        dest: /etc/exports
        owner: root
        group: root
        mode: '0644'
      notify: Re-export exportfs

# Proxy config
- hosts: proxy
  become: yes
  tasks:
    ## Changes will take effect during next reboot
    - name: Configure sysctl to reject RA acceptance
      template:
        src: templates/disablera.conf.j2
        dest: /etc/sysctl.d/disablera.conf
        owner: root
        group: root
        mode: '0644'

    - name: Add HAProxy GPG key
      apt_key:
        url: https://haproxy.debian.net/bernat.debian.org.gpg

    - name: Add HAProxy APT repository
      apt_repository:
        repo: deb http://haproxy.debian.net buster-backports-2.2 main

    - name: Install HAProxy
      apt:
        name: haproxy
        state: present
        force_apt_get: yes
        update_cache: yes

    - name: Install HAProxy proxy config
      copy:
        src: files/{{ inventory_hostname }}/haproxy.cfg
        dest: /etc/haproxy/haproxy.cfg
        owner: root
        group: root
        mode: '0644'
      notify: Restart haproxy