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Installing and configuring yaVDR with Ansible

This is an experimental feature which allows to set up a yaVDR installation based on a normal Ubuntu Server 16.04.x installation using Ansible.

This Manual is written in org-mode for Emacs and can rewrite the complete ansible configuration if you call org-babel-tangle from within emacs.

Playbooks

yavdr07.yml

To set up a fully-featured yaVDR installation you can use the yavdr07.yml Playbook:

---
# file: yavdr07.yml
# this playbook sets up a complete yaVDR 0.7 installation

- name: set up yaVDR
  hosts: all
  become: true
  roles:
     - yavdr-common   # install and configure the basic system
     - vdr            # install vdr and related packages
     - yavdr-network  # enable network client capabilities
     - samba-install  # install samba server
     - samba-config   # configure samba server
     #- nfs-server     # install nfs server
     #- nfs-config     # configure nfs server
     - yavdr-xorg     # graphical session
     - yavdr-remote   # remote configuration files, services and scripts
     - grub-config    # configure grub


  handlers:
    - include: handlers/main.yml

yavdr07-headless.yml

For a headless server installation yavdr07-headless.yml is a good choice

---
# file: yavdr07-headless.yml
# this playbook set up a headless yaVDR 0.7 installation

- name: set up a headless yaVDR server
  hosts: all
  become: true
  roles:
    - yavdr-common
    - vdr
    - yavdr-network
    - samba-server
    - samba-config
    - nfs-server
    - nfs-config
    - grub-config
  handlers:
    - include: handlers/main.yml

Hosts

This playbook can either be used to run the installation on the localhost or any other PC in the network that can be accessed via ssh. Simply add the host names or IP addresses to the hosts file in the respective section:

[yavdr-full]
#localhost connection=local
192.168.1.116

[yavdr-headless]

[yavdr-client]

Group Variables 

# file: group_vars/all

# this is the standard text to put in templates
ansible_managed_file: "*** YAVDR: ANSIBLE MANAGED FILE ***"

branch: unstable
ppa_owner: 'ppa:yavdr'
# a list of all package repositories to be added to the installation
repositories:
  - '{{ ppa_owner }}/main'
  - '{{ ppa_owner }}/unstable-main'
  - '{{ ppa_owner }}/{{branch}}-vdr'
  - '{{ ppa_owner }}/{{branch}}-yavdr'
  - '{{ ppa_owner }}/{{branch}}-kodi'

drivers:
  sundtek: auto
  ddvb-dkms: auto

# dictionary of directories for (shared) files. Automatically exported via NFS and Samba if those roles are enabled
media_dirs:
  audio: /srv/audio
  video: /srv/audio
  pictures: /srv/audio
  files: /srv/files

# properties of the user vdr and vdr-related options
vdr:
  user: vdr
  group: vdr
  uid: 666
  gid: 666
  home: /var/lib/vdr
  recdir: /srv/vdr/video
  hide_first_recording_level: false
  safe_dirnames: true
  override_vdr_charset: false

# add the vdr plugins you want to install
vdr_plugins:
  - vdr-plugin-devstatus
  - vdr-plugin-markad
  - vdr-plugin-restfulapi
  - vdr-plugin-softhddevice

samba:
  workgroup: YAVDR

# additional packages you want to install
extra_packages:
  - vim
  - tree
  - w-scan

system:
    shutdown: poweroff
    grub:
        timeout: 0
        boot_options: quiet nosplash

Roles

yavdr-common

This role is used to set up a basic yaVDR installation. It creates the directories, installs the vdr and other useful packages.

default variables

Several variables can be set to customize the configuration.

Repositories

You can set a list of package repositories which provide the necessary packages. Feel free to use own PPAs if you need special customization to the VDR and it's plugins.

---
# file: roles/yavdr-common/defaults/main.yml

branch: unstable
repositories:
  - 'ppa:yavdr/main'
  - 'ppa:yavdr/unstable-main'
  - 'ppa:yavdr/{{branch}}-vdr'
  - 'ppa:yavdr/{{branch}}-kodi'
  - 'ppa:yavdr/{{branch}}-yavdr'
Drivers

Automatically installed drivers can be very useful, but if you know you need a certain driver, you can simply set it's value to true. If you don't want a driver to be installed, set it's value to false.

drivers:
  sundtek: auto
  ddvb-dkms: auto
Additional Packages

Add additional packages you would like to have on your installation to this list

  extra_packages:
      - vim
      - tree
      - w-scan
VDR

This section allows you to set the recording directory, the user and group that runs the vdr and it's home directory.

user
the vdr user name
group
the main group for the user vdr
uid
the user id for the user vdr
gid
the group id for the group vdr
home
the home directory for the user vdr
recdir
the recording directory used by VDR
hide_first_recording_level
let vdr hide the first directory level of it's recording directory so the content of multiple directories is shown merged together
safe_dirnames
replace special characters which are not compatible with Windows file systems and Samba shares
override_vdr_charset
workaround for channels with weird EPG encodings, e.g. Sky
vdr:
    user: vdr
    group: vdr
    uid: 666
    gid: 666
    home: /var/lib/vdr
    recdir: /srv/vdr/video
    hide_first_recording_level: false
    safe_dirnames: true
    override_vdr_charset: false

tasks

yavdr-common executes the following tasks:

Disable default installation of recommended packages

This configuration file prevents apt to automatically install all recommended dependencies when installing packages:

- name: apt | prevent automatic installation of recommended packages
  template:
      src: templates/90-norecommends.j2
      dest: /etc/apt/apt.conf.d/90norecommends
Setting up the package repositories 
- name: add yaVDR PPAs
  apt_repository:
      repo: '{{ item }}'
      state: present
      update_cache: yes
  with_items: '{{ repositories }}'

- name: upgrade existing packages
  apt:
      upgrade: dist
      update_cache: yes
Installing essential packages 
- name: apt | install basic packages
  apt:
    name: '{{ item }}'
    state: present
    install_recommends: no
  with_items:
    - anacron
    - at
    - bash-completion
    - biosdevname
    - linux-firmware
    - psmisc
    - software-properties-common
    - ssh
    - ubuntu-drivers-common
    - wget
    - wpasupplicant
    - usbutils
    - xfsprogs

templates 

// {{ ansible_managed_file }}
// Recommends are as of now still abused in many packages
APT::Install-Recommends "0";
APT::Install-Suggests "0";

vdr

tasks 

---
# file: roles/vdr/tasks/main.yml

- name: apt | install basic vdr packages
  apt:
    name: '{{ item }}'
    state: present
    install_recommends: no
  with_items:
    - vdr
    - vdrctl
    - vdr-plugin-dbus2vdr

- name: create vdr recdir
  file:
    state: directory
    owner: '{{ vdr.user }}'
    group: '{{ vdr.group }}'
    mode: 0775
    dest: '{{ vdr.recdir }}'

- name: set option to use hide-first-recording-level patch
  blockinfile:
    dest: /etc/vdr/conf.d/04-vdr-hide-first-recordinglevel.conf
    create: true
    block: |
      [vdr]
      --hide-first-recording-level      
  when:
    vdr.hide_first_recording_level

- name: create local dir in recdir
  file:
    state: directory
    owner: '{{ vdr.user }}'
    group: '{{ vdr.group }}'
    mode: '0775'
    dest: '{{ vdr.recdir }}/local'
  when:
    vdr.hide_first_recording_level

- name: install additional vdr plugins
  apt:
    name: '{{ item }}'
    state: present
    install_recommends: no
  with_items:
    '{{ vdr_plugins }}'

Set up the directories for files in /srv 

- name: create directories for media files
  file:
    state: directory
    owner: '{{ vdr.user }}'
    group: '{{ vdr.group }}'
    mode: 0777
    dest: '{{ item }}'
  with_items:
    - /srv/videos
    - /srv/music
    - /srv/picture
    - /srv/backups

yavdr-network

default variables 

install_avahi: true
install_epgd: true
install_mariadb: true
install_nfs_client: true
install_nfs_server: true
install_samba_client: true
install_samba_server: true

tasks 

---
# this playbook sets up network services for a yaVDR installation
#
- name: install network packages
  apt:
      name: '{{ item }}'
      state: present
      install_recommends: no
  with_items:
      - avahi-daemon
      - avahi-utils
      - biosdevname
      - ethtool
      - nfs-common
      - vdr-addon-avahi-linker
      - wakeonlan

# Does this really work? We need a way to check if an interface supports WOL - Python Skript?
# - name: check WOL capabilities of network interfaces
#   shell: 'ethtool {{ item }} | grep -Po "(?<=Supports\sWake-on:\s).*$"'
#   register: wol
#   with_items: '{% for interface in ansible_interfaces if interface != 'lo' and interface != 'bond0' %}'

nfs-server

tasks 

- name: install and configure nfs-kernel-server
  apt:
      name: "{{ item }}"
      state: present
      install_recommends: no
  with_items:
      - nfs-kernel-server
  when:
      - '{{ install_nfs_server }}'

yavdr-remote

default variables

tasks

templates

files

yavdr-xorg

default variables

tasks 

---
# file: roles/yavdr-xorg/tasks/main.yml

- name: install packages for xorg
  apt:
    name: '{{ item }}'
    state: present
  with_items:
    - xorg
    - xserver-xorg-video-all
    - xserver-xorg-input-all
    - xlogin
    - xterm
    #- yavdr-xorg
    - openbox

# TODO: move to yavdr-xorg package?
- name: create folders for user session
  file:
    state: directory
    dest: '{{ item }}'
    mode: '0775'
    owner: '{{ vdr.user }}'
    group: '{{ vdr.group }}'
  with_items:
    - '{{ vdr.home }}/.config/systemd/user'
    - '{{ vdr.home }}/.config/openbox/autostart'

### TODO: move to yavdr-xorg package? ###
- name: create folder for customizations of vdr.service
  file:
    state: directory
    dest: /etc/systemd/system/vdr.service.d
    mode: '0775'

- name: add dependency to X-server for vdr.service using a drop-in
  template:
    src: templates/vdr-xorg.conf
    dest: /etc/systemd/system/vdr.service.d/
### END TODO ###

- name: set up .xinitrc for vdr user
  template:
      src: 'templates/.xinitrc.j2'
      dest: '/var/lib/vdr/.xinitrc'
      mode: 0755
      owner: '{{ vdr.user }}'
      group: '{{ vdr.group }}'

- name: set up autostart for openbox
  template:
      src: 'templates/autostart.j2'
      dest: '/var/lib/vdr/.config/openbox/autostart'
      mode: 0755
      owner: '{{ vdr.user }}'
      group: '{{ vdr.group }}'

- name: set a login shell for the vdr user
  user:
      name: '{{ vdr.user }}'
      shell: '/bin/bash'
      state: present
      uid: '{{ vdr.uid }}'
      groups: '{{ vdr.group }}'
      append: yes

- name: enable and start xlogin for vdr user
  systemd:
    daemon_reload: yes
    name: 'xlogin@{{ vdr.user }}'
    enabled: yes
    state: started

templates 

# file: roles/yavdr-xorg/templates/vdr-xorg.conf
# {{ ansible_managed_file }}

[Unit]
After=x@vt7.service
Wants=x@vt7.service
BindsTo=x@vt7.service
#!/bin/bash
# {{ ansible_managed_file }}
exec openbox-session
env | grep "DISPLAY\|DBUS_SESSION_BUS_ADDRESS\|XDG_RUNTIME_DIR" > ~/.session-env
systemctl --user import-environment

files

samba-install

tasks 

# file: roles/samba-install/tasks/main.yml

- name: install samba server
  apt:
    name: '{{ item }}'
    state: present
    install_recommends: no
  with_items:
    - samba
    - samba-common
    - samba-common-bin
    - tdb-tools

samba-config

tasks 

# file: roles/samba-config/tasks/main.yml

# TODO:
#- name: divert original smbd.conf

- name: create smb.conf.custom
  file:
    state: touch
    dest: '/etc/samba/smb.conf.custom'
  notify: [ 'Restart Samba' ]
    
- name: expand template for smb.conf
  template:
    src: 'templates/smb.conf.j2'
    dest: '/etc/samba/smb.conf'
    #validate: 'testparm -s %s'
  notify: [ 'Restart Samba' ]

templates 

# {{ ansible_managed_file }}

#======================= Global Settings =======================

[global]

## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
   workgroup = {{ samba.workgroup }}

# server string is the equivalent of the NT Description field
   server string = %h server (Samba, Ubuntu)

# This will prevent nmbd to search for NetBIOS names through DNS.
   dns proxy = no

#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
   log file = /var/log/samba/log.%m

# Cap the size of the individual log files (in KiB).
   max log size = 1000

# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
   syslog = 0

# Do something sensible when Samba crashes: mail the admin a backtrace
   panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# "security = user" is always a good idea. This will require a Unix account
# in this server for every user accessing the server. See
# /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/ServerType.html
# in the samba-doc package for details.
#   security = user

# You may wish to use password encryption.  See the section on
# 'encrypt passwords' in the smb.conf(5) manpage before enabling.
   encrypt passwords = true

# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.  
   passdb backend = tdbsam

   obey pam restrictions = yes

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
   unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<kahan@informatik.tu-muenchen.de> for
# sending the correct chat script for the passwd program in Debian Sarge).
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
   pam password change = yes

# This option controls how unsuccessful authentication attempts are mapped 
# to anonymous connections
   map to guest = bad user

{% for name, path in media_dirs.iteritems() %}
[{{ name }}]
   path = {{ path }}
   comment = {{ name }} on %h
   browseable = yes
   guest ok = yes
   writeable = yes
   browseable = yes
   create mode = 0664
   directory mode = 0775
   force user = {{ vdr.user }}
   force group = {{ vdr.group }}
   follow symlinks = yes
   wide links = yes

{% endfor %}

include = /etc/samba/smb.conf.custom

grub-config

default variables 

system:
    shutdown: poweroff
    grub:
        timeout: 0

tasks 

- name: custom grub configuration for timeout and reboot halt
  template:
    src: templates/50_custom.j2
    dest: /etc/grub.d/50_custom
    mode: '0775'
  notify: [ 'Update GRUB' ]

# TODO: add special case if plymouth is used
- name: let the system boot quietly
  lineinfile:
      dest: /etc/default/grub
      state: present
      regexp: '^(GRUB_CMDLINE_LINUX_DEFAULT=")'
      line: '\1{{ system.grub.boot_options}}"'
      backrefs: yes
  notify: [ 'Update GRUB' ]

templates 

#!/bin/sh
exec tail -n +3 $0

# This file is configured by the ansible configuration for yaVDR

{% if system.shutdown is defined and system.shutdown == 'reboot' %}
menuentry "PowerOff" {
    halt
}
{% endif %}

if [ "${recordfail}" = 1 ]; then
    set timeout={{ 3 if system.grub.timeout < 3 else system.grub.timeout }}
else
    set timeout={{ system.grub.timeout if system.grub.timeout is defined else 0 }}
fi

handlers 

- name: Update GRUB
  command: update-grub
  failed_when: ('error' in grub_register_update.stderr)
  register: grub_register_update

  # TODO: Do we need to use grub-set-default?
  # https://github.com/yavdr/yavdr-utils/blob/master/events/actions/update-grub

Handlers 

- name: Restart Samba
  systemd:
    name: smbd.service
    state: restarted
    enabled: yes
    #masked: no
  register: samba_reload