add bundle:minecraft to rx300

bundles/minecraft/metadata.py

@@ -0,0 +1,96 @@
+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())),
+            },
+        },
+    }