bundlewrap/bundles/minecraft/metadata.py

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2022-11-06 17:52:38 +00:00
from bundlewrap.metadata import atomic
defaults = {
'apt': {
'packages': {
'openjdk-17-jre': {},
},
},
'backups': {
'paths': {
'/home/minecraft',
},
},
'minecraft': {
'java_opts': {
# https://aikar.co/2018/07/02/tuning-the-jvm-g1gc-garbage-collector-flags-for-minecraft/
'-Daikars.new.flags': 'true',
'-Dusing.aikars.flags': 'https://mcflags.emc.gs',
'-XX:+AlwaysPreTouch': None,
'-XX:+DisableExplicitGC': None,
'-XX:+ParallelRefProcEnabled': None,
'-XX:+PerfDisableSharedMem': None,
'-XX:+UnlockExperimentalVMOptions': None,
'-XX:G1HeapRegionSize': '16M',
'-XX:G1HeapWastePercent': 5,
'-XX:G1MaxNewSizePercent': 50,
'-XX:G1MixedGCCountTarget': 4,
'-XX:G1MixedGCLiveThresholdPercent': 90,
'-XX:G1NewSizePercent': 40,
'-XX:G1RSetUpdatingPauseTimePercent': 5,
'-XX:G1ReservePercent': 15,
'-XX:InitiatingHeapOccupancyPercent': 20,
'-XX:MaxGCPauseMillis': 200,
'-XX:MaxTenuringThreshold': 1,
'-XX:SurvivorRatio': 32,
},
},
'users': {
'minecraft': {},
},
'zfs': {
'datasets': {
'tank/minecraft': {},
'tank/minecraft/overworld': {
'mountpoint': '/home/minecraft/world',
'compression': 'on',
'needed_by': {
'directory:/home/minecraft/world',
},
},
'tank/minecraft/nether': {
'mountpoint': '/home/minecraft/world_nether',
'compression': 'on',
'needed_by': {
'directory:/home/minecraft/world_nether',
},
},
'tank/minecraft/end': {
'mountpoint': '/home/minecraft/world_the_end',
'compression': 'on',
'needed_by': {
'directory:/home/minecraft/world_the_end',
},
},
},
},
}
@metadata_reactor.provides(
'minecraft/java_opts',
)
def heap_to_java_opts(metadata):
heap_mb = metadata.get('minecraft/heap_mb')
return {
'minecraft': {
'java_opts': {
f'-Xms{heap_mb}M': None,
f'-Xmx{heap_mb}M': None,
},
},
}
@metadata_reactor.provides(
'firewall/port_rules/25565',
)
def firewall(metadata):
return {
'firewall': {
'port_rules': {
'25565': atomic(metadata.get('minecraft/restrict-to', set())),
},
},
}