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paopao-ce/docker/start.sh

84 lines
2.7 KiB

#!/bin/sh
create_socat_links() {
# Bind linked docker container to localhost socket using socat
USED_PORT="3000:22"
while read -r NAME ADDR PORT; do
if test -z "$NAME$ADDR$PORT"; then
continue
elif echo "$USED_PORT" | grep -E "(^|:)$PORT($|:)" > /dev/null; then
echo "init:socat | Can't bind linked container ${NAME} to localhost, port ${PORT} already in use" 1>&2
else
SERV_FOLDER=/app/gogs/docker/s6/SOCAT_${NAME}_${PORT}
mkdir -p "${SERV_FOLDER}"
CMD="socat -ls TCP4-LISTEN:${PORT},fork,reuseaddr TCP4:${ADDR}:${PORT}"
# shellcheck disable=SC2039,SC3037
echo -e "#!/bin/sh\nexec $CMD" > "${SERV_FOLDER}"/run
chmod +x "${SERV_FOLDER}"/run
USED_PORT="${USED_PORT}:${PORT}"
echo "init:socat | Linked container ${NAME} will be binded to localhost on port ${PORT}" 1>&2
fi
done << EOT
$(env | sed -En 's|(.*)_PORT_([0-9]+)_TCP=tcp://(.*):([0-9]+)|\1 \3 \4|p')
EOT
}
cleanup() {
# Cleanup SOCAT services and s6 event folder
# On start and on shutdown in case container has been killed
rm -rf "$(find /app/gogs/docker/s6/ -name 'event')"
rm -rf /app/gogs/docker/s6/SOCAT_*
}
create_volume_subfolder() {
# only change ownership if needed, if using an nfs mount this could be expensive
if [ "$USER:$USER" != "$(stat /data -c '%U:%G')" ]
then
# Modify the owner of /data dir, make $USER(git) user have permission to create sub-dir in /data.
chown -R "$USER:$USER" /data
fi
# Create VOLUME subfolder
for f in /data/gogs/data /data/gogs/conf /data/gogs/log /data/git /data/ssh; do
if ! test -d $f; then
gosu "$USER" mkdir -p $f
fi
done
}
setids() {
export USER=git
PUID=${PUID:-1000}
PGID=${PGID:-1000}
groupmod -o -g "$PGID" $USER
usermod -o -u "$PUID" $USER
}
setids
cleanup
create_volume_subfolder
LINK=$(echo "$SOCAT_LINK" | tr '[:upper:]' '[:lower:]')
if [ "$LINK" = "false" ] || [ "$LINK" = "0" ]; then
echo "init:socat | Will not try to create socat links as requested" 1>&2
else
create_socat_links
fi
CROND=$(echo "$RUN_CROND" | tr '[:upper:]' '[:lower:]')
if [ "$CROND" = "true" ] || [ "$CROND" = "1" ]; then
echo "init:crond | Cron Daemon (crond) will be run as requested by s6" 1>&2
rm -f /app/gogs/docker/s6/crond/down
/bin/sh /app/gogs/docker/runtime/backup-init.sh "${PUID}"
else
# Tell s6 not to run the crond service
touch /app/gogs/docker/s6/crond/down
fi
# Exec CMD or S6 by default if nothing present
if [ $# -gt 0 ];then
exec "$@"
else
exec /bin/s6-svscan /app/gogs/docker/s6/
fi