86 lines
2.7 KiB
Bash
86 lines
2.7 KiB
Bash
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#!/bin/sh
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create_socat_links() {
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# Bind linked docker container to localhost socket using socat
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USED_PORT="3000:22"
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while read -r NAME ADDR PORT; do
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if test -z "$NAME$ADDR$PORT"; then
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continue
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elif echo $USED_PORT | grep -E "(^|:)$PORT($|:)" > /dev/null; then
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echo "init:socat | Can't bind linked container ${NAME} to localhost, port ${PORT} already in use" 1>&2
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else
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SERV_FOLDER=/app/gogs/docker/s6/SOCAT_${NAME}_${PORT}
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mkdir -p "${SERV_FOLDER}"
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CMD="socat -ls TCP4-LISTEN:${PORT},fork,reuseaddr TCP4:${ADDR}:${PORT}"
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# shellcheck disable=SC2039,SC3037
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echo -e "#!/bin/sh\nexec $CMD" > "${SERV_FOLDER}"/run
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chmod +x "${SERV_FOLDER}"/run
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USED_PORT="${USED_PORT}:${PORT}"
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echo "init:socat | Linked container ${NAME} will be binded to localhost on port ${PORT}" 1>&2
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fi
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done << EOT
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$(env | sed -En 's|(.*)_PORT_([0-9]+)_TCP=tcp://(.*):([0-9]+)|\1 \3 \4|p')
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EOT
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}
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cleanup() {
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# Cleanup SOCAT services and s6 event folder
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# On start and on shutdown in case container has been killed
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rm -rf "$(find /app/gogs/docker/s6/ -name 'event')"
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rm -rf /app/gogs/docker/s6/SOCAT_*
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}
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create_volume_subfolder() {
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# Modify the owner of /data dir, make $USER(git) user have permission to create sub-dir in /data.
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chown -R "$USER:$USER" /data
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# COURSELABS - copy from init folder if no data:
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if ! test -d /data/gogs.db; then
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if test -d /init-data; then
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gosu $USER cp -r /init-data/* /data/
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fi
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fi
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# Create VOLUME subfolder
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for f in /data/gogs/data /data/gogs/conf /data/gogs/log /data/git /data/ssh; do
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if ! test -d $f; then
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gosu "$USER" mkdir -p $f
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fi
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done
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}
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setids() {
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export USER=git
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PUID=${PUID:-1000}
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PGID=${PGID:-1000}
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groupmod -o -g "$PGID" $USER
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usermod -o -u "$PUID" $USER
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}
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setids
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cleanup
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create_volume_subfolder
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LINK=$(echo "$SOCAT_LINK" | tr '[:upper:]' '[:lower:]')
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if [ "$LINK" = "false" ] || [ "$LINK" = "0" ]; then
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echo "init:socat | Will not try to create socat links as requested" 1>&2
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else
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create_socat_links
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fi
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CROND=$(echo "$RUN_CROND" | tr '[:upper:]' '[:lower:]')
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if [ "$CROND" = "true" ] || [ "$CROND" = "1" ]; then
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echo "init:crond | Cron Daemon (crond) will be run as requested by s6" 1>&2
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rm -f /app/gogs/docker/s6/crond/down
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/bin/sh /app/gogs/docker/runtime/backup-init.sh "${PUID}"
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else
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# Tell s6 not to run the crond service
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touch /app/gogs/docker/s6/crond/down
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fi
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# Exec CMD or S6 by default if nothing present
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if [ $# -gt 0 ];then
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exec "$@"
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else
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exec /bin/s6-svscan /app/gogs/docker/s6/
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fi
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