plex-media-server/entrypoint

#!/bin/sh
set -e

# ANSI colour escape sequences
RED='\033[0;31m'
CYANBOLD='\033[1;36m'
RESET='\033[0m'

CONFIG_DIR="/config"
OLD_CONFIG="/config/Plex Media Server"

if [ -d "$OLD_CONFIG" ] && mountpoint -q "$OLD_CONFIG"; then
    rm -rf /var/lib/plexmediaserver
    ln -sf "$CONFIG_DIR" /var/lib/plexmediaserver

    2>&1 echo -e "${RED}####################### NOTICE #######################${RESET}"
    2>&1 echo
    2>&1 echo -e "${RED}         The config mountpoint has changed!${RESET}"
    2>&1 echo -e "${RED}        Please change the volume as follows:${RESET}"
    2>&1 echo
    2>&1 echo -e "${CYANBOLD}     '$OLD_CONFIG'${RESET} -> ${CYANBOLD}'$CONFIG_DIR'${RESET}"
    2>&1 echo
    2>&1 echo -e "${RED}######################################################${RESET}"
    2>&1 echo

    CONFIG_DIR="$OLD_CONFIG"
fi

if su-exec -e [ ! -w "$CONFIG_DIR" ]; then
    2>&1 echo -e "${RED}####################### WARNING #######################${RESET}"
    2>&1 echo
    2>&1 echo -e "${RED}     No permission to write in '$CONFIG_DIR' directory.${RESET}"
    2>&1 echo -e "${RED}       Correcting permissions to prevent a crash.${RESET}"
    2>&1 echo
    2>&1 echo -e "${RED}#######################################################${RESET}"
    2>&1 echo

    chown $SUID:$SGID "$CONFIG_DIR"
    chmod o+rw "$CONFIG_DIR"
fi

export CONFIG_DIR
export PREF_FILE="$CONFIG_DIR/Preferences.xml"

exec su-exec -e sh <<EOF

# Generate a default configuration on first run, including some user-specified values
if [ ! -e "\$PREF_FILE" ]; then
    source gen-config.sh
fi

# Duplicate the Plex logs to stdout (docker logs)
tail -Fn 0 "\$CONFIG_DIR/Logs/Plex Media Server.log" 2>/dev/null &

# Use a random pidfile
export PLEX_MEDIA_SERVER_PIDFILE="\$(mktemp -ut pms-pid.XXXXXX)"

exec "\$PLEX_MEDIA_SERVER_HOME/Plex Media Server"

EOF