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#!/usr/bin/env bash
# This script is used to start the trame server.
# If the `TRAME_USE_HOST` environment variable is set, this
# will replace `USE_HOST` in the launcher json file. If it contains
# `://`, it will replace `ws://USE_HOST` instead.
if [ ! -d /deploy/server ]; then
echo "ERROR: The the server directory must be in the container at '/deploy/server'"
exit 1
fi
# First, activate the venv
. /opt/trame/activate_venv.sh
# We will copy the launcher and make any needed edits to it
LAUNCHER_TEMPLATE_PATH=/deploy/server/launcher.json
LAUNCHER_PATH=/opt/trame/config.json
OUTPUT=$(<"${LAUNCHER_TEMPLATE_PATH}")
if [[ -n $TRAME_USE_HOST ]]; then
REPLACEMENT_STRING="USE_HOST"
if [[ $TRAME_USE_HOST == *"://"* ]]; then
# If the string contains "://", then we are replacing the "ws://" at
# the beginning as well
REPLACEMENT_STRING="ws://$REPLACEMENT_STRING"
fi
OUTPUT="${OUTPUT//$REPLACEMENT_STRING/$TRAME_USE_HOST}"
elif [[ -n "$TRAME_URL_PREFIX" ]]; then
# Need to patch session URL with prefix
REPLACEMENT_STRING="ws://USE_HOST/proxy"
OUTPUT_STRING="ws://USE_HOST$TRAME_URL_PREFIX/proxy"
OUTPUT="${OUTPUT//$REPLACEMENT_STRING/$OUTPUT_STRING}"
fi
echo -e "$OUTPUT" > "${LAUNCHER_PATH}"
# Run the launcher in the foreground so this script doesn't end
echo "Starting the wslink launcher at"
python -m wslink.launcher ${LAUNCHER_PATH}
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