Differences

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--- skripting-section:bash:minecraft-server-upgrade [2017/09/23 12:06] – michael
+++ skripting-section:bash:minecraft-server-upgrade [2019/07/25 13:30] (current) – stefgu
@@ Line 1: / Line 1: @@
 ====== Minecraft Server Upgrade Skript ======
+Skript, welches vom mir erstellt wurde, um automatisiert (via cronjob) einen selbst erstellten Minecraft-Server auf aktuellem Stand zu halten; resp. zu Updaten.
-<sxh bash>
+===== Skript Sourcecode =====
+''**Filename:** <wrap em>update_minecraft-server.sh</wrap>''
+<sxh bash; first-line: 1>
 #!/bin/bash
+#*****************************************************************************
+# Subject     : update_minecraft-server.sh
+# Description :
+# Author      : Michael Reber <michael.r467@gmail.com>
+# Created     : 2017.10.17
+#*****************************************************************************
 newest_server_version=$(curl https://minecraft.net/en-us/download/server | grep https://s3.amazonaws.com/Minecraft.Download/versions/.*/minecraft_server.*.jar | cut -d '/' -f6)
 in_use_server_version=$(cat /opt/minecraft/logs/latest.log | grep "server version" | cut -d ' ' -f8)
@@ Line 23: / Line 35: @@
         #Stop Minecraft Server
-        server_session=$(screen -ls | grep minecraftd)
+        server_session=$(screen -ls | grep minecraftd  | cut -d '(' -f1)
         #screen -X -S 718.minecraftd quit
+        rm -f minecraft_server.jar
         wget -O minecraft_server.jar $new_server_download_link
+        chown -R mcuser:mcuser /opt/minecraft
         chmod +x /opt/minecraft/minecraft_server.jar
         /opt/minecraft/./start_server.sh
 fi
+</sxh>
+===== Steffs Version =====
+<sxh bash; first-line: 1>
+#!/bin/bash
+#-------------------------------------------------------------------------------------------------------------
+#
+# Subject: minecraft_server_update.sh
+# Description   : This Script updates the Minecraft Server to the actual version
+# Author: Stefan Gutknecht <stefgu@bluewin.ch>
+# Created: 2019.07.25
+# Version: v0.1
+# Use: You can start this script manually or you can automate it with cron/crontab
+#
+# Changelog:
+# ---------
+#
+# v0.1- Creation of this Script
+#-------------------------------------------------------------------------------------------------------------
+# Define BASH-Color Output
+NORMAL='\e[39m'
+GREEN='\e[32m'
+RED='\e[31m'
+CYAN='\e[36m'
+# Actual Date Variable - Formatted
+datum=$(date +"%Y%m%d")
+# Get the PID of the minecraft process
+screen_process=$(ps -aux | grep minecraftd | grep -v "grep" | awk 'NR==1{print $2}')
+# Define Server Variables for comparing
+actual_server_version=$(cat /opt/minecraft/logs/latest.log | grep -e 'server\sversion\s' | cut -d ' ' -f8)
+server_version_mojang=$(curl -s https://www.minecraft.net/de-de/download/server | grep -e "minecraft_server." | cut -d '.' -f5-7 | grep -v "jar")
+if [ $actual_server_version = $server_version_mojang ]; then
+echo -e "$GREEN Aktuell keine neue Server-Version verfuegbar $NORMAL - $CYAN Nothing to do $NORMAL"
+fi
+if [ $actual_server_version != $server_version_mojang ]; then
+echo -e "$RED Update available $NORMAL - $CYAN Will make the necessary Steps ... $NORMAL"
+# Kill the minecraft process
+kill -9 $screen_process 2>/dev/null
+fail_code=$(echo "$?")
+if [ $? == 0 ]; then
+  echo -e "$GREEN R.I.P - Screen Process$NORMAL"
+else
+  echo -e "$RED Something went wrong - couldn't kill the process$NORMAL"
+  echo "$fail_code"
+exit 0
+fi
+# Backup the minecraft_server.jar File
+echo "Backup Server-Jar-File /opt/minecraft/minecraft_server.jar to $CYAN/opt/minecraft/backup/jar/*$NORMAL"
+echo -ne 'x-----x                       (33%)\r'
+cp --preserve=mode,ownership /opt/minecraft/minecraft_server.jar /opt/minecraft/backup/jar/minecraft_server.jar.$datum
+sleep 0.5
+echo -ne 'x----------------x            (66%)\r'
+sleep 0.5
+echo -ne 'x---------------------------x (100%)\r'
+echo -ne '\n'
+# Backup the minecraft world directory
+echo "Backup the world directory /opt/minecraft/ to $CYAN/opt/minecraft/backup/world/*$NORMAL"
+echo -ne 'x-----x                       (33%)\r'
+ tar -czf /opt/minecraft/backup/world/world_$datum.tar.gz /opt/minecraft/world/
+ sleep 0.5
+echo -ne 'x----------------x            (66%)\r'
+sleep 0.5
+echo -ne 'x---------------------------x (100%)\r'
+echo -ne '\n'
+# Download the new minecraft_server and set permissions
+download_link=$(curl -s https://www.minecraft.net/de-de/download/server | grep -e '<a href=' | grep 'launcher' | cut -d '"' -f2)
+echo -e "$CYANGoing to download the new version$NORMAL"
+wget -O /opt/minecraft/server.jar $download_link
+rm -f /opt/minecraft/minecraft_server.jar
+mv /opt/minecraft/server.jar /opt/minecraft/minecraft_server.jar
+echo -e "$CYAN Adapting the permissions$NORMAL"
+chown mcuser:mcuser /opt/minecraft
+chmod +x /opt/minecraft/minecraft_server.jar
+rm -f /opt/minecraft/server.jar
+# Start the new minecraft server
+echo -e "$RED Starting the Minecraft Server$NORMAL"
+echo -ne 'x-----x                       (33%)\r'
+sudo -u mcuser /opt/minecraft/start_minecraft_server.sh
+sleep 0.5
+echo -ne 'x----------------x            (66%)\r'
+sleep 0.5
+echo -ne 'x---------------------------x (100%)\r'
+echo -ne '\n'
+# Removing old unnecessary Backups - older than 180 days
+echo -e "$CYAN Going to remove old Backups$NORMAL"
+find /opt/minecraft/backup/ -type f -mtime +180 -exec rm -f {} \;
+fi
+exit 0
 </sxh>