tools/start-xvfb-docker-container

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

CONTAINER_NAME="dir-studio-ui-tests-xvfb"

# stop and rm in case something went wrong in previous run
docker stop $CONTAINER_NAME
docker rm $CONTAINER_NAME

# find free port and display
for PORT in $(seq 6006 6099); do netstat -tln | grep $PORT || break; done
echo "Using TCP port $PORT for Xvfb"
export DISPLAY=:$((PORT-6000))
echo "Using DISPLAY $DISPLAY"

# start container
docker pull apachedirectory/xvfb
docker run -d --name $CONTAINER_NAME -e DISPLAY=$DISPLAY -p $PORT:$PORT apachedirectory/xvfb