change entrypoint to sh

Add rclone to container image

Dockerfile

@@ -1,10 +1,10 @@
 FROM alpine
 
-LABEL org.opencontainers.image.source=https://github.com/nicolaschan/minecraft-backup
+LABEL org.opencontainers.image.source=https://forgejo.nevy.xyz/nev/minecraft-backup
 
-RUN apk add bash coreutils xxd restic util-linux openssh
+RUN apk add bash coreutils xxd restic util-linux openssh rclone
 
 WORKDIR /code
 COPY ./backup.sh .
 
-ENTRYPOINT ["/code/backup.sh"]
+ENTRYPOINT ["/bin/sh", "-c"]

README.md

@@ -44,6 +44,9 @@ docker run \
   -v /home/user/server/world:/mnt/server \
   -v /mnt/storage/backups:/mnt/backups \
   ghcr.io/nicolaschan/minecraft-backup -c -i /mnt/server -o /mnt/backups -s server-host:25575:secret -w rcon
+  
+# Using itzg/docker-minecraft-server container and rcon cli
+./backup.sh -c -i /home/user/server/world -o /mnt/storage/backups -s container-name -w docker-rcon
 ```
 
 This will show chat messages (`-c`) and save a backup of `/home/user/server/world` into `/mnt/storage/backups` using the default thinning deletion policy for old backups.
@@ -64,7 +67,7 @@ Command line options:
 -p    Prefix that shows in Minecraft chat (default: Backup)
 -q    Suppress warnings
 -r    Restic repo name (if using restic)
--s    Screen name, tmux session name, or hostname:port:password for RCON
+-s    Screen name, tmux session name, hostname:port:password for RCON or [container name](https://github.com/itzg/docker-minecraft-server) for docker-rcon
 -t    Enable lock file (lock file not used by default)
 -u    Lock file timeout seconds (empty = unlimited)
 -v    Verbose mode

backup.sh

@@ -266,6 +266,8 @@ execute-command () {
         ;;
       "RCON"|"rcon") rcon-command "$SCREEN_NAME" "$COMMAND"
         ;;
+      "docker-rcon") docker exec "$SCREEN_NAME" rcon-cli "$COMMAND"
+        ;;
     esac
   fi
 }

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1723175592,
-        "narHash": "sha256-M0xJ3FbDUc4fRZ84dPGx5VvgFsOzds77KiBMW/mMTnI=",
+        "lastModified": 1725634671,
+        "narHash": "sha256-v3rIhsJBOMLR8e/RNWxr828tB+WywYIoajrZKFM+0Gg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5e0ca22929f3342b19569b21b2f3462f053e497b",
+        "rev": "574d1eac1c200690e27b8eb4e24887f8df7ac27c",
         "type": "github"
       },
       "original": {

test/test.sh

@@ -379,6 +379,20 @@ test-rcon-interface-not-running () {
   assertContains "$OUTPUT" "Could not connect"
 }
 
+test-docker-rcon () {
+  CONTAINER="$(docker run -d -e EULA=TRUE docker.io/itzg/minecraft-server)"
+  while ! docker exec "$CONTAINER" grep 'RCON running on 0.0.0.0:25575' /data/logs/latest.log; do
+    sleep 0.1
+  done
+  TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01")"
+  ./backup.sh -w docker-rcon -i "$TEST_TMP/server/world" -o "$TEST_TMP/backups" -s "$CONTAINER" -f "$TIMESTAMP"
+  OUTPUT="$(docker exec "$CONTAINER" cat /data/logs/latest.log)"
+  docker rm -f "$CONTAINER"
+  assertContains "$OUTPUT" "[Rcon: Automatic saving is now disabled]"
+  assertContains "$OUTPUT" "[Rcon: Automatic saving is now enabled]"
+  assertContains "$OUTPUT" "[Rcon: Saved the game]"
+}
+
 test-sequential-delete () {
   for i in $(seq 0 20); do
     TIMESTAMP="$(date +%F_%H-%M-%S --date="2021-01-01 +$i hour")"