Remove all use of sudoers file (#3477)

Author: itzg

Dockerfile

@@ -19,8 +19,6 @@ RUN --mount=target=/build,source=build \
 RUN --mount=target=/build,source=build \
     /build/run.sh setup-user
 
-COPY --chmod=644 files/sudoers* /etc/sudoers.d
-
 EXPOSE 25565
 
 ARG APPS_REV=1

bin/mc-send-to-console

@@ -17,8 +17,9 @@ if [ ! -p "${CONSOLE_IN_NAMED_PIPE}" ]; then
   exit 1
 fi
 
-if [ "$(id -u)" = 0 -a $UID != 0 ]; then
-  exec $(getSudoFromDistro) minecraft bash -c "echo '$*' > '${CONSOLE_IN_NAMED_PIPE}'"
+if [[ "$(id -u)" = 0 ]] && [[ $UID != 0 ]]; then
+  error "Exec needs to be run with user ID $UID"
+  exit 2
 else
   echo "$@" >"${CONSOLE_IN_NAMED_PIPE}"
 fi

docs/commands.md

@@ -24,7 +24,7 @@ _The `-i` is not needed in this case._
 If rcon is disabled you can send commands by passing them as arguments to the packaged `mc-send-to-console` script after setting the env var `CREATE_CONSOLE_IN_PIPE` to "true". For example, a player can be op'ed in the container `mc` with: 
 
 ```shell
-docker exec mc mc-send-to-console op player
+docker exec --user 1000 mc mc-send-to-console op player
             |                     |
             +- container name     +- Minecraft commands start here
 ```

files/auto/stop.sh

@@ -6,8 +6,5 @@ if isTrue "${DEBUG_AUTOSTOP}"; then
 fi
 
 logAutostopAction "Stopping Java process"
-if isTrue "${AUTOSTOP_PKILL_USE_SUDO:-false}"; then
-  sudo pkill -f --signal SIGTERM mc-server-runner
-else
-  pkill -f --signal SIGTERM mc-server-runner
-fi
+pkill -f --signal SIGTERM mc-server-runner
+