shell_sequencer/seqs/kodi.sh

#!/bin/bash

## Installing kodi on a raspberry pi
## Some measures are taken to prevent corrupting existing files
## but it's intendet use is for a blank rasperry pi.

toolName="Kodi"
toolUser="kodi"
toolServiceFile="/etc/systemd/system/kodi.service"
toolProfileDir="/home/kodi/.kodi"

step_1_info() { echo "Install $toolName via apt"; }
step_1_alias() { ALIAS="install"; }
step_1() {
  exe apt update && apt install kodi
}

step_2_info() { echo "Set localisation and keyboard layout"; }
step_2() {
  echo "Goto \"Localisation Options\" in the following menu."
  read -p "Press ENTER to continue..."
  exe raspi-config
  saveReturn $?
  endReturn
}

step_3_info() { echo "Add $toolName user ($toolUser)"; }
step_3() {
  exep "id -u $toolUser >>/dev/null 2>&1"
  if [ $? -eq 0 ] ; then
    echo
    echo "User $toolUser exists."
    echo "Skipping user creation."
    return 0
  fi
  exe adduser \
    --disabled-password \
    --gecos "User to run $toolName Media Center" \
    $toolUser
  exe usermod -a -G audio,video,plugdev,input,tty $toolUser
  saveReturn $?
  endReturn
  echo "User $toolUser details:"
  exe id $tooLuser
}


step_4_info() { echo "Create systemd service"; }
step_4() {
  addConf -c "$toolServiceContent" "$toolServiceFile"

  if [ $? -eq 0 ] ; then
    exe systemctl daemon-reload
    exe systemctl enable kodi.service
    saveReturn $?
    endReturn
  else
    echo "[ERROR] failed to setup systemd service"
  fi
}

toolServiceContent="\
[Unit]
Description = Kodi Media Center

# if you don't need the MySQL DB backend, this should be sufficient
After = systemd-user-sessions.service network.target sound.target

# if you need the MySQL DB backend, use this block instead of the previous
# After = systemd-user-sessions.service network.target sound.target mysql.service
# Wants = mysql.service

[Service]
User = kodi
Group = kodi
Type = simple
ExecStart = /usr/bin/kodi-standalone
Restart = always
RestartSec = 15

[Install]
WantedBy = multi-user.target" 

step_5_info() { echo "Enable text input for USB keyboards within $toolName"; }
step_5() {
  local udevFile="/etc/udev/rules.d/99-kodi.rules"
  local inputRule="KERNEL==\"tty[0-9]*\", GROUP=\"tty\", MODE=\"0660\""

  addConf -c "$inputRule" "$udevFile"
}

step_6_info() { echo "Increase raspberry pi GPU memory to 320"; }
step_6() {
  exep "grep -e '^[ ]*gpu_mem' \"$bootConfigLoc\" >>/dev/null 2>&1"
  if [ $? -ne 0 ] && [ -f "$bootConfigLoc" ] ; then
    # attach settings to raspberry boot configuration
    exe mount -o remount,rw /boot
    addConf -a "$bootConfig" "$bootConfigLoc"
    exe mount -o remount,ro /boot
  else
    # add to missing conf
    addConf -m "$bootConfig" "$bootConfigLoc"
  fi
}

bootConfigLoc="/boot/config.txt"
bootConfig="
# Modifications for $toolName
start_x=1
gpu_mem=320" 

step_7_info() { echo "Reboot is needed for all changes to take effect"; }
step_7() {
  if [ $QUIET -eq "1" ] ; then
    answer=n
  else
    read -p "Reboot now? y/n(default)" answer
  fi
  case $answer in
    y|Y)
      exe reboot;;
    *)
      echo
      echo "Start $toolName manually:"
      echo "service kodi start"
      ;;
  esac
}

step_10_info() { echo "Send $toolName logs to syslog"; }
step_10_alias() { ALIAS="syslog"; }
step_10() {
  addConf -s "$kodiSyslog" "$kodiSyslogLoc"
  exe chmod -f +x "$kodiSyslogLoc"
}
kodiSyslogLoc="/usr/local/bin/kodisyslog"
kodiSyslog="#!/bin/bash
tail -f /home/kodi/.kodi/temp/kodi.log |
while read -r line
do
   logger -t KODI \"\${line:37}\"
done"

step_11_info() { echo "Create systemd service for logging to syslog"; }
step_11() {
  [ ! -f "$kodiSyslogLoc" ] && return 1

  addConf -s "$kodiSyslogService" "$kodiSyslogServiceLoc"

  echoseq " [I] Consider limiting systemd journal size"
  echoseq "     [/etc/systemd/journald.conf]"
  echoseq "      SystemMaxUse=50M"
}
kodiSyslogServiceLoc="/etc/systemd/system/kodisyslog.service"
kodiSyslogService="[Unit]
Description=Pipe kodi logs to syslog
After=network.target syslog.service

[Service]
User=root
ExecStart=/usr/local/bin/kodisyslog

[Install]
WantedBy=multi-user.target"

step_12_info() { echo "Enable and start kodisyslog service"; }
step_12() {
  local kodiSyslogName="$(basename $kodiSyslogServiceLoc)"

  exe systemctl daemon-reload
  exe systemctl enable $kodiSyslogName
  exe systemctl start $kodiSyslogName
}

step_40_info() { echo "Reset music database"; }
step_40_alias() { ALIAS="resetmusic"; }
step_40() {
  local i
  local answer="y"
  local musicDb=( "$toolProfileDir/userdata/Database/MyMusic"*.db )
  echoseq " [W] Erasing:"
  for i in ${musicDb[@]}; do
    echoseq $i
  done
  [ $QUIET -eq 0 ] && read -p "Are you sure? (y)/[n] " answer
  case "$answer" in 
    y|Y)
      exe rm ${musicDb[@]};;
    *)
      echoseq " [I] Abort reset"
      return 1;
  esac
}

VERSION_SEQREV=12
. /usr/local/bin/sequencer.sh