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#!/bin/bash
## required vars
# TMPDIR=/tmp/virt/<CURRENT_USER>/<PID>/
# USER_CONTAINER_CONFIG
# NETSHARE_DIR
# vars
BIND_MOUNT_FILE="$CONFDIR/container_meta.json"
# TODO: Maybe make this an array to support spaces
BIND_MOUNT_STRING=""
BIND_MOUNT_COUNT="$( cat "$BIND_MOUNT_FILE" | jq '.bind_mount_config | length' )"
for (( index=0; index < "$BIND_MOUNT_COUNT"; index++ )); do
BIND_MOUNT_INFO="$( jq .bind_mount_config["$index"] "$BIND_MOUNT_FILE" )"
# expecting source to be a MOUNT_LETTER, wich must replaced with the directory
BIND_MOUNT_SOURCE="$( jq -r .source <<< "$BIND_MOUNT_INFO" )"
BIND_MOUNT_TARGET="$( jq -r .target <<< "$BIND_MOUNT_INFO" )"
BIND_MOUNT_OPTION="$( jq -r .option <<< "$BIND_MOUNT_INFO" )"
if [[ -z "$BIND_MOUNT_SOURCE" || -z "$BIND_MOUNT_TARGET" ]]; then
writelog "+ no proper bind mount option provided!"
continue
fi
# USER_HOME is selected
if [[ "$BIND_MOUNT_SOURCE" == "USER_HOME" ]]; then
if [[ -d "$HOME/PERSISTENT" ]]; then
BIND_MOUNT_STRING+=" --mount type=bind,source=$HOME/PERSISTENT,target=$BIND_MOUNT_TARGET"
else
# user has no PERSISTENT, maybe this is a demo user just mount $HOME
BIND_MOUNT_STRING+=" --mount type=bind,source=$HOME,target=$BIND_MOUNT_TARGET"
fi
# If USER_TMP is used, create a locaten for client user and bind mount into container
elif [[ "$BIND_MOUNT_SOURCE" == "USER_TMP" ]]; then
# DOCKER_TMP created and cleand in opt/openslx/pam/hooks/auth-final-exec.d/30-add-to-docker.sh
DOCKER_TMP="/tmp/docker"
DOCKER_USER_TMP="$DOCKER_TMP/$(id -u)"
[ ! -e $DOCKER_USER_TMP ] && mkdir -p $DOCKER_USER_TMP && chmod 0700 $DOCKER_USER_TMP
BIND_MOUNT_STRING+=" --mount type=bind,source=$DOCKER_USER_TMP,target=$BIND_MOUNT_TARGET"
elif [[ -z "${NETSHARE_DIR[$BIND_MOUNT_SOURCE]}" ]]; then
writelog "+ no bind mount mapping for letter $BIND_MOUNT_SOURCE found!"
continue
else
BIND_MOUNT_STRING+=" --mount type=bind,\\\"source=${NETSHARE_DIR[$BIND_MOUNT_SOURCE]}\\\",target=$BIND_MOUNT_TARGET"
fi
done
writelog "+ write final CONTAINER_BIND_MOUNT_STRING $BIND_MOUNT_STRING in config $USER_CONTAINER_CONFIG"
echo "CONTAINER_BIND_MOUNT_STRING=\"${BIND_MOUNT_STRING}\"" >> ${USER_CONTAINER_CONFIG}
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