thingsboard/msa/tb/docker-cassandra/start-db.sh

#!/bin/bash
#
# Copyright © 2016-2025 The Thingsboard Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

firstlaunch=${DATA_FOLDER}/.firstlaunch

PG_CTL=$(find /usr/lib/postgresql/ -name pg_ctl)

if [ ! -d ${PGDATA} ]; then
    mkdir -p ${PGDATA}
    ${PG_CTL} initdb
fi

echo "Starting Postgresql..."
${PG_CTL} start

RETRIES="${PG_ISREADY_RETRIES:-300}"
until pg_isready -U ${pkg.user} -d postgres --quiet || [ $RETRIES -eq 0 ]
do
    echo "Connecting to Postgres, $((RETRIES--)) attempts left..."
    sleep 1
done

if [ ! -f ${firstlaunch} ]; then
    echo "Creating database..."
    psql -U ${pkg.user} -d postgres -c "CREATE DATABASE thingsboard"
fi

echo "Postgresql is ready"

cassandra_data_dir=${CASSANDRA_DATA}
cassandra_data_link=/var/lib/cassandra

if [ ! -L ${cassandra_data_link} ]; then
    if [ ! -d ${cassandra_data_dir} ]; then
        mkdir -p ${cassandra_data_dir}
    fi
    ln -s ${cassandra_data_dir} ${cassandra_data_link}
fi

exec setsid nohup cassandra >> ${CASSANDRA_LOG}/cassandra.log 2>&1 &

until nmap $CASSANDRA_HOST -p $CASSANDRA_PORT | grep "$CASSANDRA_PORT/tcp open"
do
  echo "Wait for cassandra db to start..."
  sleep 5
done