vbv/prepare_server.sh

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#!/bin/bash
# set location to script directory
cd "${0%/*}"
if [ -z "$CI" ];
then
# kill all subprocess on exit so that Bitbucket Pipelines process will not hang
trap "exit" INT TERM ERR
trap "kill 0" EXIT
else echo "CI is set to $CI";
fi
# script should fail when any process returns non zero code
set -e
# handle arguments
SKIP_SETUP=false
START_BACKGROUND=false
courses=()
# Parse positional arguments
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-f|--file)
shift
;;
--start-background)
START_BACKGROUND=true
shift
;;
--skip-setup)
SKIP_SETUP=true
shift
;;
--courses)
shift # Shift past the option
while [[ $# -gt 0 ]] && ! [[ $1 == "--"* ]]
do
courses+=("$1")
shift # Shift past the value
done
;;
*)
echo "Unknown option: $key"
exit 1
;;
esac
done
echo "SKIP_SETUP = ${SKIP_SETUP}"
# Prepend "-c" to each item in courses
for i in "${!courses[@]}"
do
courses[$i]="-c ${courses[$i]}"
done
# Join the list with a space
IFS=' ' course_param="${courses[*]}"
echo "$course_param"
# migrate env vars to the built-in postgres variables
if [ -z ${PGDATABASE+x} ]; then # var is empty
PGDATABASE=${POSTGRES_DB:-vbv_lernwelt};
fi
if [ -z ${PGHOST+x} ]; then # var is empty
PGHOST=${POSTGRES_HOST:-localhost};
fi
if [ -z ${PGPORT+x} ]; then # var is empty
PGPORT=${POSTGRES_PORT:-5432}
fi
if [ -z ${PGUSER+x} ]; then # var is empty
PGUSER=${POSTGRES_USER:-postgres}
fi
DJANGO_PORT=${DJANGO_PORT:-8000}
if [ "$SKIP_SETUP" = false ]; then
# TODO: in heroku we must do a `pg:resets` to reset the db
echo "Check postgres connection"
psql -d postgres -c "SELECT 1" # use default db to connect to
echo "Drop all connections to $PGDATABASE"
psql -c "SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = '$PGDATABASE' AND pid <> pg_backend_pid();" > /dev/null 2>&1 || true
echo "Drop database: $PGDATABASE"
psql -d postgres -c "drop database if exists $PGDATABASE;" # use default db to drop another database, can't drop the currently connected database
echo "Create database: $PGDATABASE"
psql -d postgres -c "create database $PGDATABASE;" # use default database, as the set database does not exist currently
echo "initialize database for django"
python server/manage.py createcachetable
python server/manage.py migrate
python server/manage.py create_default_users
echo "python server/manage.py create_default_courses $course_param"
python server/manage.py create_default_courses $course_param
python server/manage.py create_default_notifications
# make django translations
(cd server && python manage.py compilemessages)
else
# TODO: can we reset important data without resetting the database?
echo "Skip database setup"
python server/manage.py cypress_reset
fi
if [ "$START_BACKGROUND" = true ]; then
cd server && python manage.py runserver "${DJANGO_PORT}" > /dev/null &
else
cd server && python manage.py runserver "${DJANGO_PORT}"
fi