Minecraft server cloud-init

cloud-init.yaml

#cloud-config
users:
  - default
  - name: minecraft
    ssh_import_id: gh:adam-clrk
    gecos: Minecraft server user
    lock_passwd: true
    #sudo: ALL=(ALL) NOPASSWD:ALL
package_update: true
package_upgrade: true
packages:
#   - default-jre
  - git
  - openjdk-8-jre-headless
  - screen
write_files:
  - path: "/etc/fstab"
    content: "LABEL=swap1\t/mnt/2GB.swap\tnoneztswap\tsw\t0\t0"
    append: true
  - path: "/etc/sysctl.conf"
    content: "vm.swappiness=60"
    append: true
  - path: "/etc/systemd/system/minecraft-server.service"
    content: |
      [Unit]
      Description=Minecraft Server
      After=network.target
      [Service]
      User=minecraft
      Group=minecraft

      WorkingDirectory=/home/minecraft/server1

      ExecStart=/usr/bin/screen -DmS minecraft /home/minecraft/server1/start.sh
      ExecReload=/bin/kill -HUP $MAINPID
      ExecStop=/usr/bin/screen -p 0 -S minecraft -X eval 'stuff "save-all"\015'
      ExecStop=/usr/bin/screen -p 0 -S minecraft -X eval 'stuff "stop"\015'
      [Install]
      WantedBy=multi-user.target
  - path: /home/minecraft/spigot/setup.sh
    permissions: '0774'
    content: |
      git config --global --unset core.autocrlf
      cd "${0%/*}"
      mkdir ../server1
      java -Xmx512M -jar BuildTools.jar -o ../server1
      cd ../server1
      echo eula=true >eula.txt
      mkdir plugins
      cd plugins
      wget https://media.forgecdn.net/files/2745/835/Multiverse-Inventories-3.0.0.jar
      wget https://media.forgecdn.net/files/2768/599/Multiverse-Core-4.1.0.jar
      wget https://media.forgecdn.net/files/2768/603/Multiverse-SignPortals-4.1.0.jar
  - path: /home/minecraft/server1/start.sh
    content: |
      #!/bin/bash
      cd "${0%/*}"
      java -Xmx2G -jar spigot-*.jar
runcmd:
  - fallocate -l 2G /mnt/2GB.swap
  - mkswap /mnt/2GB.swap
  - chmod 0600 /mnt/2GB.swap
  - swapon /mnt/2GB.swap
  - mkdir /home/minecraft/spigot/
  - wget 'https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar' -O /home/minecraft/spigot/BuildTools.jar
  - chown -R minecraft:minecraft /home/minecraft
  - sudo -Hu minecraft /home/minecraft/spigot/setup.sh
  - chmod +x /home/minecraft/server1/start.sh
  - rm /root/.ssh/authorized_keys
  - ssh-import-id gh:adam-clrk

minecraft-server.md

• update and upgrade,
• install Java, git, screen
• creates setup, start and systemd scripts
• sets up 2GB swap file and makes swappiness 60
• download and run Spigot BuildTools

tested on ubuntu Ubuntu 18.04.3 (LTS) on DigitalOcean

setup logs:

tail -f /var/log/cloud-init.log

tail -f /var/log/cloud-init-output.log

start server

systemctl start minecraft-server

server config

sudo -Hu minecraft nano /home/minecraft/server1/server.properties

open server console

sudo -u minecraft screen -r

thanks Adam!!!!!! 💞💞💓