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Add mc-send-to-console support #228

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merged 2 commits into from
Mar 10, 2022
Merged

Add mc-send-to-console support #228

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3b2d7c1
Add mc-send-to-console support
itzg Mar 10, 2022
96d0cfa
Added ServerFault link
itzg Mar 10, 2022
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3 changes: 2 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,8 @@ RUN easy-add --var version=1.5.0 --var app=restify --file {{.app}} --from https:

RUN easy-add --var version=0.5.0 --var app=mc-monitor --file {{.app}} --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_linux_${ARCH}.tar.gz

COPY *.sh /opt/
COPY scripts/* /opt/
COPY bin/* /usr/local/bin/

COPY property-definitions.json /etc/bds-property-definitions.json

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12 changes: 11 additions & 1 deletion README.md
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Expand Up @@ -188,7 +188,17 @@ For more information [FoxyNoTail](https://www.youtube.com/watch?v=nWBM4UFm0rQ&t=

For more information about managing Bedrock Dedicated Servers in general, [check out this Reddit post](https://old.reddit.com/user/ProfessorValko/comments/9f438p/bedrock_dedicated_server_tutorial/).

## Executing server commands
## Sending commands to the server

To send individual commands to the server, exec `mc-send-to-console` inside the container passing the server command as its arguments. For example, the following would disable the `falldamage` gamerule:

```shell
docker exec $container mc-send-to-console gamerule falldamage false
```

> NOTE: to see the output/results of the command, use `docker logs -f $container`

## Interactive server console

Assuming you started container with stdin and tty enabled (such as using `-it`), you can attach to the container's console by its name or ID using:

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15 changes: 15 additions & 0 deletions bin/mc-send-to-console
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@@ -0,0 +1,15 @@
#!/bin/bash

: "${CONSOLE_IN_NAMED_PIPE:=/var/run/bds-stdin}"

if [ $# = 0 ]; then
echo "ERROR: pass console commands as arguments"
exit 1
fi

if [ ! -p "${CONSOLE_IN_NAMED_PIPE}" ]; then
echo "ERROR: named pipe ${CONSOLE_IN_NAMED_PIPE} is missing"
exit 1
fi

/usr/local/bin/entrypoint-demoter --match /data bash -c "echo $* > '${CONSOLE_IN_NAMED_PIPE}'"
6 changes: 5 additions & 1 deletion bedrock-entry.sh → scripts/bedrock-entry.sh
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Expand Up @@ -160,4 +160,8 @@ set-property --file server.properties --bulk /etc/bds-property-definitions.json
export LD_LIBRARY_PATH=.

echo "Starting Bedrock server..."
exec ./bedrock_server-${VERSION}

mkfifo /var/run/bds-stdin
# See https://serverfault.com/a/1088115/196770
sleep infinity > /var/run/bds-stdin &
exec ./bedrock_server-"${VERSION}" < /var/run/bds-stdin