minecraft

backdoor.yaml

apiVersion: v1
kind: Service
metadata:
  labels:
    app: minecraft
  name: minecraft-backdoor
spec:
  type: LoadBalancer
  externalTrafficPolicy: Cluster
  ports:
  - name: minecraft
    port: 25565
    protocol: TCP
    targetPort: minecraft
  selector:
    app: minecraft
  sessionAffinity: None

cron.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: backup-script
data:
  cron-backup-script: |
    #!/bin/sh
    DATE=`date +%Y%m%d_%H%M`
    cd /data
    tar -zcf backup/${DATE}.tar.gz reality
    echo "backup ${DATE}"
    cd backup
    find ./ -mtime +8 -delete

deploy.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  labels:
    app: minecraft
  name: minecraft
spec:
  replicas: 1
  serviceName: minecraft
  selector:
    matchLabels:
      app: minecraft
  template:
    metadata:
      labels:
        app: minecraft
    spec:
      containers:
      - name: crond
        image: alpine:3.8
        securityContext:
          runAsUser: 0
        command:
        - crond
        - -l
        - "2"
        - -f
        volumeMounts:
          - name: backup-script
            mountPath: /etc/periodic/15min
          - name: minecraft-datadir
            mountPath: /data
      - env:
        - name: EULA
          value: "false"
        - name: TYPE
          value: SPIGOT
        - name: VERSION
          value: 1.14.4
        - name: DIFFICULTY
          value: easy
        - name: WHITELIST
        - name: OPS
        - name: ICON
        - name: MAX_PLAYERS
          value: "50"
        - name: MAX_WORLD_SIZE
          value: "5000"
        - name: ALLOW_NETHER
          value: "true"
        - name: ANNOUNCE_PLAYER_ACHIEVEMENTS
          value: "true"
        - name: ENABLE_COMMAND_BLOCK
          value: "true"
        - name: FORCE_gameMode
          value: "false"
        - name: GENERATE_STRUCTURES
          value: "true"
        - name: HARDCORE
          value: "false"
        - name: MAX_BUILD_HEIGHT
          value: "256"
        - name: MAX_TICK_TIME
          value: "60000"
        - name: SPAWN_ANIMALS
          value: "true"
        - name: SPAWN_MONSTERS
          value: "true"
        - name: SPAWN_NPCS
          value: "true"
        - name: VIEW_DISTANCE
          value: "10"
        - name: SEED
        - name: MODE
          value: survival
        - name: MOTD
          value: King of Builder
        - name: PVP
          value: "false"
        - name: LEVEL_TYPE
          value: DEFAULT
        - name: GENERATOR_SETTINGS
        - name: LEVEL
          value: reality
        - name: ONLINE_MODE
          value: "true"
        - name: JVM_OPTS
          value: -Xmx5120M -Xms5120M
        image: itzg/minecraft-server:latest
        imagePullPolicy: Always
        name: minecraft
        ports:
        - containerPort: 25565
          name: minecraft
          protocol: TCP
        resources:
          requests:
            cpu: "3"
            memory: 6000Mi
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /data
          name: minecraft-datadir
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext:
        fsGroup: 2000
        runAsUser: 1000
      terminationGracePeriodSeconds: 30
      volumes:
        - name: backup-script
          configMap:
            defaultMode: 0777
            name: backup-script
  volumeClaimTemplates:
  - metadata:
      name: minecraft-datadir
    spec:
      storageClassName: ssd
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 50Gi

service.yaml

apiVersion: v1
kind: Service
metadata:
  labels:
    app: minecraft
  name: minecraft
spec:
  type: LoadBalancer
  externalTrafficPolicy: Cluster
  ports:
  - name: minecraft
    port: 25565
    protocol: TCP
    targetPort: minecraft
  selector:
    app: minecraft
  sessionAffinity: None