mirror of
https://github.com/msmhq/msm.git
synced 2024-08-30 18:12:35 +00:00
Removed the old/original "minecraft" script which "msm" has replaced.
This commit is contained in:
Marcus Whybrow
parent
e01114721c
commit
8225d35244
659
minecraft
659
minecraft
@ -1,659 +0,0 @@
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#!/bin/bash
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### BEGIN INIT INFO
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# Provides: minecraft
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# Required-Start: $local_fs $remote_fs
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# Required-Stop: $local_fs $remote_fs
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# Should-Start: $network
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# Should-Stop: $network
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Minecraft server
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# Description: Init script for minecraft/bukkit server, with rolling logs and use of ramdisk for less lag.
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### END INIT INFO
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# Minecraft/Bukkit init script by Marcus Whybrow
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# - Modified from a script created by Ahtenus (https://github.com/Ahtenus/minecraft-init)
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# - Which was apparently based upon http://www.minecraftwiki.net/wiki/Server_startup_script
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# The location of the configuration file for this script
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CONFIG="/opt/minecraft/server1/manager.config"
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### Load configuration variables
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source $CONFIG
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### General Utility functions
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# Returns the current time as a UNIX timestamp (in seconds since 1970)
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now() {
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date +%s
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}
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# This function is used to quite the stdout of another function
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# like this: quite $(other_func)
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quite() {
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return $(true)
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}
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as_user() {
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if [ $(whoami) == $SERVER_USER ] ; then
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bash -c "$1"
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else
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su - $SERVER_USER -s /bin/bash -c "$1"
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fi
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}
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### Log Utility Functions
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# Gets the time UNIX timestamp for a server log line
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# $1: A server log line
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# returns: Time in seconds since 1970-01-01 00:00:00 UTC
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log_line_get_time() {
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time_string=$(echo $1 | awk '{print $1 " " $2}')
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date -d "$time_string" "+%s" 2> /dev/null
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}
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# Watches the log
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# $1: The line in the log to wait for
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# $2: A UNIX timestamp (seconds since 1970) which the $1 line must be after
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# returns: When the line is found
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log_wait_for_line() {
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# Make sure there is a server log to check
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as_user "touch $SERVER_LOG"
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regex="^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} \[.*\] ${1}"
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while read LINE
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do
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time=$(log_line_get_time "$LINE")
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# If the entry is old enough and matches the regular expression
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if [[ $time -ge $2 && $LINE =~ $regex ]]
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then
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echo $LINE
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break
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fi
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done < <(as_user "tail --follow --lines=100 --sleep-interval=0.1 $SERVER_LOG")
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}
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### Server Utility Functions
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server_is_running() {
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if ps ax | grep -v grep | grep "$SCREEN_NAME $INVOCATION" > /dev/null
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then
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return $(true)
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else
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return $(false)
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fi
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}
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# Gets the process ID for the server if running, otherwise it outputs nothing
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server_pid() {
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ps ax | grep -v grep | grep "$SCREEN_NAME $INVOCATION" | awk '{print $1}'
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}
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server_wait_for_stop() {
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pid=$(server_pid)
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while ps -p $pid > /dev/null
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do
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sleep 0.1
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done
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}
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# $1: A line of text to enter into the server console
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server_eval() {
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as_user "screen -p 0 -S $SCREEN_NAME -X eval 'stuff \"$1\"\015'"
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}
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# $1: A line of text to enter into the server console
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# $2: The line of text in the log to wait for
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server_eval_and_wait() {
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time=$(now)
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server_eval $1
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log_wait_for_line "$2" "$time"
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}
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### World Handling Functions
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worlds_get() {
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a=1
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for NAME in $(ls ${WORLD_STORAGE_PATH})
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do
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if [ -d ${WORLD_STORAGE_PATH}/$NAME ]
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then
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WORLDNAME[$a]=$NAME
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if [ -e ${WORLD_STORAGE_PATH}/$NAME/ramdisk ]
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then
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WORLDRAM[$a]=true
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else
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WORLDRAM[$a]=false
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fi
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a=$a+1
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fi
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done
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}
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# Creates symbolic links in the server directory (SERVER_PATH) for each
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# of the Minecraft worlds located in the world storage directory (WORD_STORAGE_PATH).
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worlds_ensure_links() {
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echo "Updating world symbolic links..."
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worlds_get
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for INDEX in ${!WORLDNAME[@]}
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do
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# -L checks for the path being a link rather than a file
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# ! -a, since it is within double square brackets means: the negation of
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# the existence of the file. In other words: true if does not exist
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if [[ -L ${SERVER_PATH}/${WORLDNAME[$INDEX]} || ! -a ${SERVER_PATH}/${WORLDNAME[$INDEX]} ]]
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then
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# If there is a symbolic link in the SERVER_PATH to this world or there is not
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# a directory in the SERVER_PATH for this world.
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# Get the original file path the symbolic link is pointing to
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# If there is no link, link_target will contain nothing
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link_target=$(readlink ${SERVER_PATH}/${WORLDNAME[$INDEX]})
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if ${WORLDRAM[$INDEX]}
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then
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# If this world is marked as loaded into RAM
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if [ "${link_target}" != "${RAMDISK_PATH}/${WORLDNAME[$INDEX]}" ]
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then
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# If the symbolic link does not point to the RAM version of the world
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# Remove the symbolic link if it exists
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as_user "rm -f ${SERVER_PATH}/${WORLDNAME[$INDEX]}"
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# Create a new symbolic link pointing to the RAM version of the world
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as_user "ln -s ${RAMDISK_PATH}/${WORLDNAME[$INDEX]} ${SERVER_PATH}/${WORLDNAME[$INDEX]}"
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echo "Created a link for ${WORLDNAME[$INDEX]} which is in RAM: ${RAMDISK_PATH}/${WORLDNAME[$INDEX]}"
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fi
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else
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# Otherwise the world is not loaded into RAM, and is just on disk
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if [ "${link_target}" != "${WORLD_STORAGE_PATH}/${WORLDNAME[$INDEX]}" ]
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then
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# If the symbolic link does not point to the disk version of the world
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# Remove the symbolic link if it exists
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as_user "rm -f ${SERVER_PATH}/${WORLDNAME[$INDEX]}"
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# Create a new symbolic link pointing to the disk version of the world
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as_user "ln -s ${WORLD_STORAGE_PATH}/${WORLDNAME[$INDEX]} ${SERVER_PATH}/${WORLDNAME[$INDEX]}"
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echo "Created a link for ${WORLDNAME[$INDEX]} which on disk: ${WORLD_STORAGE_PATH}/${WORLDNAME[$INDEX]}"
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fi
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fi
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else
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# There was no symbolic link, and there was a directory, meaning a world
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# directory has been placed in SERVER_PATH, this is not allowed:
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echo "Could not process ${WORLDNAME[$INDEX]}. please move all worlds to ${WORLD_STORAGE_PATH}."
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exit 1
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fi
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done
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echo "Finished updating world symbolic links."
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}
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world_to_ram() {
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as_user "mkdir -p ${RAMDISK_PATH}/$1 && rsync -rt --exclude 'ramdisk' ${WORLD_STORAGE_PATH}/$1/ ${RAMDISK_PATH}/$1"
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}
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worlds_to_ram() {
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echo "Synchronising worlds to RAM..."
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worlds_get
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for INDEX in ${!WORLDNAME[@]}
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do
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if ${WORLDRAM[$INDEX]}
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then
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if [ -L ${SERVER_PATH}/${WORLDNAME[$INDEX]} ]
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then
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printf "[RAM] \"${WORLDNAME[$INDEX]}\": Synchronising to RAM... "
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world_to_ram "${WORLDNAME[$INDEX]}"
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echo "Done."
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fi
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else
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echo "[DSK] \"${WORLDNAME[$INDEX]}\": Nothing to do."
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fi
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done
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echo "Finished synchronising worlds to RAM."
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}
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worlds_to_disk() {
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echo "Synchronising worlds in RAM to disk..."
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worlds_get
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for INDEX in ${!WORLDNAME[@]}
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do
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if [ -e ${RAMDISK_PATH}/${WORLDNAME[$INDEX]} ]
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then
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printf "[RAM] \"${WORLDNAME[$INDEX]}\": Synchronising to disk... "
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as_user "rsync -rt --exclude 'ramdisk' ${RAMDISK_PATH}/${WORLDNAME[$INDEX]}/ ${WORLD_STORAGE_PATH}/${WORLDNAME[$INDEX]}"
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echo "Done."
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else
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echo "[DSK] \"${WORLDNAME[$INDEX]}\": Nothing to do."
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fi
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done
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echo "Finished synchronising worlds in RAM to disk."
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}
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world_toggle_ramdisk_state() {
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if [ ! -e ${WORLD_STORAGE_PATH}/$1 ]
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then
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echo "World \"$1\" not found."
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exit 1
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fi
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if [ -e ${WORLD_STORAGE_PATH}/$1/ramdisk ]
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then
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as_user "rm ${WORLD_STORAGE_PATH}/$1/ramdisk"
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as_user "rm -r ${RAMDISK_PATH}/$1"
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echo "Removed the RAM flag from \"$1\", and deleted it from RAM."
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else
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as_user "touch ${WORLD_STORAGE_PATH}/$1/ramdisk"
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echo "Added the RAM flag to \"$1\"."
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printf "Copying world to RAM... "
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quite $(world_to_ram "$1")
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echo "Done."
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fi
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echo "Changes will only take effect after server is restarted."
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}
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### Server Control Functions
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server_start() {
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if server_is_running
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then
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echo "$JAR is already running!"
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else
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worlds_ensure_links
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worlds_to_ram
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time=$(now)
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printf "Starting server... "
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as_user "cd $SERVER_PATH && screen -dmS $SCREEN_NAME $INVOCATION"
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quite $(log_wait_for_line "$CONFIRMATIONS_START" "$time")
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echo "Done."
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fi
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}
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server_saveall() {
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if server_is_running
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then
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# Send the "save-all" command and wait for it to finish
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printf "Forcing save... "
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quite $(server_eval_and_wait "save-all" "$CONFIRMATIONS_SAVE_ALL")
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echo "Done."
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else
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echo "$JAR was not running. Not forcing save."
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fi
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}
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server_saveoff() {
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if server_is_running
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then
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# Send the "save-off" command and wait for it to finish
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printf "Disabling level saving... "
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quite $(server_eval_and_wait "save-off" "$CONFIRMATIONS_SAVE_OFF")
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echo "Done."
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# Also save all
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server_saveall
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# Not sure what this does, might be important
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sync
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else
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echo "$JAR was not running. Not suspending saves."
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fi
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}
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server_saveon() {
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if server_is_running
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then
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# Send the "save-on" command and wait for it to finish
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printf "Enabling level saving... "
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quite $(server_eval_and_wait "save-on" "$CONFIRMATIONS_SAVE_ON")
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echo "Done."
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else
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echo "$JAR was not running. Not resuming saves."
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fi
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}
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server_stop() {
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if server_is_running
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then
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server_saveall
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printf "Stopping the server... "
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server_eval "stop"
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server_wait_for_stop
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echo "Done."
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else
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echo "$JAR was not running."
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fi
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}
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server_restart() {
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# Restarts the server if it is already running
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if server_is_running
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then
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# Stop the server
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server_stop
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# Synchronise all worlds in RAM to disk
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worlds_to_disk
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# Ensure world symbolic links are up to date
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worlds_ensure_links
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# Synchronise worlds back to RAM
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worlds_to_ram
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# Start the server again
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server_start
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else
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echo "$JAR is not running. Only running servers may be restarted."
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fi
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}
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# Not really tested this
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server_update_jars() {
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if server_is_running
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then
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echo "$JAR is running! Will not start update."
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else
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# Update minecraft_server.jar
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echo "Updating minecraft_server.jar...."
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MC_SERVER_URL=http://minecraft.net/$(wget -q -O - http://www.minecraft.net/download.jsp | grep minecraft_server.jar\</a\> | cut -d \" -f 2)
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as_user "cd ${SERVER_PATH} && wget -q -O ${SERVER_PATH}/minecraft_server.jar.update $MC_SERVER_URL"
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if [ -f ${SERVER_PATH}/minecraft_server.jar.update ]
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then
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if $(diff ${SERVER_PATH}/minecraft_server.jar ${SERVER_PATH}/minecraft_server.jar.update >/dev/null)
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then
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echo "You are already running the latest version of the Minecraft server."
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as_user "rm ${SERVER_PATH}/minecraft_server.jar.update"
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else
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as_user "mv ${SERVER_PATH}/minecraft_server.jar.update $MCPATH/minecraft_server.jar"
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echo "Minecraft successfully updated."
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fi
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else
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echo "Minecraft update could not be downloaded."
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fi
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# Update craftbukkit
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echo "Updating craftbukkit...."
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as_user "cd ${SERVER_PATH} && wget -q -O ${SERVER_PATH}/craftbukkit.jar.update http://dl.bukkit.org/latest-rb/craftbukkit.jar"
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if [ -f ${SERVER_PATH}/craftbukkit.jar.update ]
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then
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if $(diff ${SERVER_PATH}/craftbukkit-0.0.1-SNAPSHOT.jar $MCPATH/craftbukkit.jar.update > /dev/null)
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then
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echo "You are already running the latest version of CraftBukkit."
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as_user "rm ${SERVER_PATH}/craftbukkit.jar.update"
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else
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as_user "mv ${SERVER_PATH}/craftbukkit.jar.update $MCPATH/craftbukkit-0.0.1-SNAPSHOT.jar"
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echo "CraftBukkit successfully updated."
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fi
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else
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echo "CraftBukkit update could not be downloaded."
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fi
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fi
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}
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### Backup Functions
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backup_server() {
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path=${COMPLETE_BACKUP_PATH}/$(date "+%Y-%m-%d-%H-%M-%S").zip
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as_user "mkdir -p $COMPLETE_BACKUP_PATH"
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zip_flags="-rq"
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# Add the "y" flag if symbolic links should not be followed
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if [ "$COMPLETE_BACKUP_FOLLOW_SYMLINKS" != "true" ]
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then
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zip_flags="${zip_flags}y"
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fi
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# Zip up the server directory
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printf "Backing up the entire server directory... "
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as_user "mkdir -p ${COMPLETE_BACKUP_PATH} && cd ${SERVER_PATH} && zip ${zip_flags} $path ."
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echo "Done."
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}
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backup_worlds() {
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worlds_get
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echo "Backing up worlds..."
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for INDEX in ${!WORLDNAME[@]}
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do
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printf "Backing up world \"${WORLDNAME[$INDEX]}\"... "
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dir="${WORLD_SNAPSHOT_PATH}/${WORLDNAME[$INDEX]}"
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file_name="$(date "+%Y-%m-%d-%H-%M-%S").zip"
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as_user "mkdir -p ${dir} && cd ${WORLD_STORAGE_PATH}/${WORLDNAME[$INDEX]} && zip -rq ${dir}/${file_name} ."
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echo "Done."
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done
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echo "Finished backing up worlds."
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}
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# An experimental function which backs up config files for all
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# Bukkit plugins. Only recognises .yml files currently
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# I use the backup_server function instead to get everything
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# for sure.
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backup_configs() {
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dir=${CONFIG_BACKUP_PATH}
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file_name="$(date "+%Y-%m-%d-%H-%M-%S").zip"
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printf "Backing up plugin config files... "
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as_user "mkdir -p ${dir} && cd ${SERVER_PLUGIN_PATH} && zip -Rq ${dir}/${file_name} '${CONFIG_BACKUP_PATTERN}'"
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echo "Done."
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}
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### Maintenance Functions
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log_roll() {
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# Moves and Gzips the logfile, a big log file slows down the
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# server A LOT (what was notch thinking?)
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path=${LOG_ARCHIVE_PATH}/${SERVER_NAME}-$(date +%F-%H-%M-%S).log
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printf "Rolling server logs... "
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as_user "mkdir -p $LOG_ARCHIVE_PATH && cp $SERVER_LOG $path && gzip $path"
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if [ $? -eq 0 ]
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then
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as_user "cp /dev/null $SERVER_LOG && echo \"Previous logs rolled to $path\" > $SERVER_LOG"
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else
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echo "Failed to rotate logs to $path.gz"
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fi
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||||
echo "Done."
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||||
}
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||||
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||||
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||||
### Script switch statement
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||||
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case "$1" in
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start)
|
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# Starts the server
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||||
server_start
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;;
|
||||
stop)
|
||||
# Stops the server
|
||||
|
||||
if server_is_running
|
||||
then
|
||||
if [[ $2 != "now" ]]
|
||||
then
|
||||
server_eval "say ${MESSAGE_SERVER_STOP_WARNING}"
|
||||
|
||||
echo "Issued the warning \"${MESSAGE_SERVER_STOP_WARNING}\" to players."
|
||||
echo "Shutting down in ${CONFIG_SERVER_STOP_DELAY} seconds..."
|
||||
|
||||
sleep ${CONFIG_SERVER_STOP_DELAY}
|
||||
fi
|
||||
|
||||
server_stop
|
||||
worlds_to_disk
|
||||
else
|
||||
echo "$JAR was not running."
|
||||
fi
|
||||
;;
|
||||
restart)
|
||||
if server_is_running
|
||||
then
|
||||
if [[ $2 != "now" ]]
|
||||
then
|
||||
server_eval "say ${MESSAGE_SERVER_RESTART_WARNING}"
|
||||
|
||||
echo "Issued the warning \"${MESSAGE_SERVER_RESTART_WARNING}\" to players."
|
||||
echo "Restarting in ${CONFIG_SERVER_RESTART_DELAY} seconds..."
|
||||
|
||||
sleep ${CONFIG_SERVER_RESTART_DELAY}
|
||||
fi
|
||||
|
||||
server_restart
|
||||
else
|
||||
echo "$JAR was not running. Cannot restart a stopped server. Try \"start\" instead."
|
||||
fi
|
||||
;;
|
||||
backup)
|
||||
# Backs up worlds
|
||||
|
||||
if server_is_running
|
||||
then
|
||||
server_eval "say ${MESSAGE_SERVER_WORLDS_BACKUP_STARTED}"
|
||||
server_saveoff
|
||||
worlds_to_disk
|
||||
|
||||
backup_worlds
|
||||
|
||||
server_saveon
|
||||
server_eval "say ${MESSAGE_SERVER_WORLDS_BACKUP_FINISHED}"
|
||||
else
|
||||
backup_worlds
|
||||
fi
|
||||
;;
|
||||
complete-backup)
|
||||
# Backup everything
|
||||
if server_is_running
|
||||
then
|
||||
server_eval "say ${MESSAGE_SERVER_COMPLETE_BACKUP_STARTED}"
|
||||
server_saveoff
|
||||
|
||||
backup_server
|
||||
|
||||
server_saveon
|
||||
server_eval "say ${MESSAGE_SERVER_COMPLETE_BACKUP_FINISHED}"
|
||||
fi
|
||||
;;
|
||||
update)
|
||||
echo "Not supported yet."
|
||||
# Update minecraft_server.jar and craftbukkit.jar (thanks karrth)
|
||||
#server_eval "say SERVER UPDATE IN 10 SECONDS."
|
||||
#server_stop
|
||||
#worlds_to_disk
|
||||
#backup_server
|
||||
#server_update_jars
|
||||
#check_links
|
||||
#server_start
|
||||
;;
|
||||
to-disk)
|
||||
# Writes from the ramdisk to disk, in case the server crashes.
|
||||
# Using ramdisk speeds things up a lot, especially if you allow
|
||||
# teleportation on the server.
|
||||
server_saveoff
|
||||
worlds_to_disk
|
||||
server_saveon
|
||||
;;
|
||||
connected)
|
||||
# Lists connected users
|
||||
|
||||
# Send the list command to the server, and wait for the response
|
||||
server_eval_and_wait "list" "Connected players:"
|
||||
;;
|
||||
log-roll)
|
||||
log_roll
|
||||
;;
|
||||
last)
|
||||
echo "Not yet supported."
|
||||
# greps for recently logged in users
|
||||
#echo Recently logged in users:
|
||||
#cat $SERVER_LOG | awk '/entity|conn/ {sub(/lost/,"disconnected");print $1,$2,$4,$5}'
|
||||
;;
|
||||
status)
|
||||
# Shows server status
|
||||
if server_is_running
|
||||
then
|
||||
echo "$JAR is running."
|
||||
else
|
||||
echo "$JAR is not running."
|
||||
fi
|
||||
;;
|
||||
version)
|
||||
echo "Not supported yet."
|
||||
;;
|
||||
links)
|
||||
worlds_ensure_links
|
||||
;;
|
||||
ramdisk)
|
||||
world_toggle_ramdisk_state $2
|
||||
;;
|
||||
worlds)
|
||||
worlds_get
|
||||
for INDEX in ${!WORLDNAME[@]}
|
||||
do
|
||||
if ${WORLDRAM[$INDEX]}
|
||||
then
|
||||
echo "[RAM] ${WORLDNAME[$INDEX]}"
|
||||
else
|
||||
echo "[DSK] ${WORLDNAME[$INDEX]}"
|
||||
fi
|
||||
done
|
||||
;;
|
||||
console)
|
||||
# This only works if the terminal invoking this script
|
||||
# is logged in as the user $USER_NAME, this is a security
|
||||
# measure enforced by screen.
|
||||
as_user "screen -r ${SCREEN_NAME}"
|
||||
;;
|
||||
help)
|
||||
echo "Usage: $0 command"
|
||||
echo
|
||||
echo "start - Starts the server"
|
||||
echo "stop - stops the server gracefully, after warning players"
|
||||
echo "stop now - stops the server gracefully, right now!"
|
||||
echo "restart - restarts the server gracefully, after warning players"
|
||||
echo "restart now - restarts the server gracefully, right now!"
|
||||
echo "console - opens the screen process (Press Ctr+A then D to exit)"
|
||||
echo "backup - backs up worlds in \"world storage\""
|
||||
echo "complete-backup - backups the entire server folder"
|
||||
echo "log-roll - Moves and gzips the logfile"
|
||||
echo "to-disk - copies any worlds in RAM to disk"
|
||||
echo "connected - lists connected users"
|
||||
echo "status - Shows server status"
|
||||
echo "links - creates nessesary symlinks"
|
||||
echo "worlds - shows a list of available worlds"
|
||||
echo "ramdisk WORLD - toggles ramdisk configuration for WORLD"
|
||||
echo "update - Not yet supported"
|
||||
echo "version - Not yet supported"
|
||||
echo "last - Not yet supported"
|
||||
;;
|
||||
*)
|
||||
echo "No such command see $0 help"
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
exit 0
|
||||
Loading…
Reference in New Issue
Block a user