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mc: restore UID and GID options

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for #234
This commit is contained in:
Geoff Bourne 2018-07-30 21:49:43 -05:00
parent 8a26e73dab
commit 848cd8b994
4 changed files with 115 additions and 96 deletions
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3
minecraft-server/Dockerfile
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@ -7,6 +7,7 @@ RUN apk add --no-cache -U \
imagemagick \
lsof \
su-exec \
shadow \
bash \
curl iputils wget \
git \
@ -57,5 +58,3 @@ ENV JVM_XX_OPTS="-XX:+UseG1GC" MEMORY="1G" \
LEVEL_TYPE=DEFAULT GENERATOR_SETTINGS= WORLD= MODPACK= SERVER_PORT=25565 ONLINE_MODE=TRUE CONSOLE=true
COPY start* /
USER minecraft

7
minecraft-server/README.md
View File

@ -733,6 +733,13 @@ Allows users to use flight on your server while in Survival mode, if they have a
## Miscellaneous Options
### Running as alternate user/group ID
By default, the container will switch to user ID 1000 and group ID 1000;
however, you can override those values by setting `UID` and `GID`, respectively.
The container will also skip user switching if the `--user`/`-u` argument
is passed to `docker run`.
### Memory Limit
By default, the image declares a Java initial and maximum memory limit of 1 GB. There are several

103
minecraft-server/start
View File

@ -1,98 +1,13 @@
#!/bin/bash
shopt -s nullglob
#umask 002
export HOME=/data
if [ ! -e /data/eula.txt ]; then
if [ "$EULA" != "" ]; then
echo "# Generated via Docker on $(date)" > eula.txt
echo "eula=$EULA" >> eula.txt
if [ $? != 0 ]; then
echo "ERROR: unable to write eula to /data. Please make sure attached directory is writable by uid=${UID}"
exit 2
fi
else
echo ""
echo "Please accept the Minecraft EULA at"
echo " https://account.mojang.com/documents/minecraft_eula"
echo "by adding the following immediately after 'docker run':"
echo " -e EULA=TRUE"
echo ""
exit 1
if [ $(id -u) = 0 ]; then
if [[ -v UID ]]; then
usermod -u $UID minecraft
fi
if [[ -v GID ]]; then
groupmod -g $GID minecraft
fi
su-exec minecraft:minecraft /start-configuration
else
exec /start-configuration
fi
echo "Running as '$(id -u):$(id -g)' with /data as '$(ls -lnd /data)'"
if ! touch /data/.verify_access; then
echo "ERROR: /data doesn't seem to be writable. Please make sure attached directory is writable by uid=$(id -u)"
exit 2
fi
rm /data/.verify_access || true
if [[ $PROXY ]]; then
export http_proxy="$PROXY"
export https_proxy="$PROXY"
echo "INFO: Giving proxy time to startup..."
sleep 5
fi
export SERVER_PROPERTIES=/data/server.properties
export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
echo "Checking version information."
case "X$VERSION" in
X|XLATEST|Xlatest)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.release'`
;;
XSNAPSHOT|Xsnapshot)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.snapshot'`
;;
X[1-9]*)
export VANILLA_VERSION=$VERSION
;;
*)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.release'`
;;
esac
cd /data
export ORIGINAL_TYPE=${TYPE}
echo "Checking type information."
case "$TYPE" in
*BUKKIT|*bukkit|SPIGOT|spigot)
exec /start-deployBukkitSpigot $@
;;
PAPER|paper)
exec /start-deployPaper $@
;;
FORGE|forge)
exec /start-deployForge $@
;;
FTB|ftb)
exec /start-deployFTB $@
;;
VANILLA|vanilla)
exec /start-deployVanilla $@
;;
SPONGEVANILLA|spongevanilla)
exec /start-deploySpongeVanilla $@
;;
*)
echo "Invalid type: '$TYPE'"
echo "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTB, SPONGEVANILLA"
exit 1
;;
esac

98
minecraft-server/start-configuration Executable file
View File

@ -0,0 +1,98 @@
#!/bin/bash
shopt -s nullglob
#umask 002
export HOME=/data
if [ ! -e /data/eula.txt ]; then
if [ "$EULA" != "" ]; then
echo "# Generated via Docker on $(date)" > eula.txt
echo "eula=$EULA" >> eula.txt
if [ $? != 0 ]; then
echo "ERROR: unable to write eula to /data. Please make sure attached directory is writable by uid=${UID}"
exit 2
fi
else
echo ""
echo "Please accept the Minecraft EULA at"
echo " https://account.mojang.com/documents/minecraft_eula"
echo "by adding the following immediately after 'docker run':"
echo " -e EULA=TRUE"
echo ""
exit 1
fi
fi
echo "Running as '$(id -u):$(id -g)' with /data as '$(ls -lnd /data)'"
if ! touch /data/.verify_access; then
echo "ERROR: /data doesn't seem to be writable. Please make sure attached directory is writable by uid=$(id -u)"
exit 2
fi
rm /data/.verify_access || true
if [[ $PROXY ]]; then
export http_proxy="$PROXY"
export https_proxy="$PROXY"
echo "INFO: Giving proxy time to startup..."
sleep 5
fi
export SERVER_PROPERTIES=/data/server.properties
export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
echo "Checking version information."
case "X$VERSION" in
X|XLATEST|Xlatest)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.release'`
;;
XSNAPSHOT|Xsnapshot)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.snapshot'`
;;
X[1-9]*)
export VANILLA_VERSION=$VERSION
;;
*)
export VANILLA_VERSION=`curl -fsSL $VERSIONS_JSON | jq -r '.latest.release'`
;;
esac
cd /data
export ORIGINAL_TYPE=${TYPE}
echo "Checking type information."
case "$TYPE" in
*BUKKIT|*bukkit|SPIGOT|spigot)
exec /start-deployBukkitSpigot $@
;;
PAPER|paper)
exec /start-deployPaper $@
;;
FORGE|forge)
exec /start-deployForge $@
;;
FTB|ftb)
exec /start-deployFTB $@
;;
VANILLA|vanilla)
exec /start-deployVanilla $@
;;
SPONGEVANILLA|spongevanilla)
exec /start-deploySpongeVanilla $@
;;
*)
echo "Invalid type: '$TYPE'"
echo "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTB, SPONGEVANILLA"
exit 1
;;
esac