docker-entrypoint.sh

#!/bin/bash

set -e

BACKUP_FILE="/tmp/openmaint/database/openmaint-1.1-demo.backup"

wait_for_pg_restore_to_finish () {
	COUNT_PG_RESTORE_RUNNING_PROCESSES_QUERY="SELECT count(*) FROM pg_stat_activity WHERE application_name='pg_restore';"
	result=$(psql_command "${COUNT_PG_RESTORE_RUNNING_PROCESSES_QUERY}")
	echo "ISTO: $result"
	while [[ "$result" == "1" ]];
	do
		sleep 2
		result=$(psql_command "${COUNT_PG_RESTORE_RUNNING_PROCESSES_QUERY}")
		
	done
}

psql_command () {
	psql -U ${DB_USER} -h ${DB_HOST} -p ${DB_PORT} -t -c "$1" ${DB_NAME} | xargs
}

restore_backup () {
	pg_restore -d $DB_NAME -U ${DB_USER} -h ${DB_HOST} ${BACKUP_FILE}
}

create_database () {	
	createdb -U $DB_USER -O $DB_USER -h $DB_HOST -p $DB_PORT -w -e $DB_NAME > /dev/null	
}

create_shark_database_role () {
	psql -U ${DB_USER} -h ${DB_HOST} -c "create user shark WITH PASSWORD 'shark';"	
}

set_db_pass_for_psql () {
	echo "*:*:*:*:${DB_PASS}" > ~/.pgpass
	chmod 0600 ~/.pgpass
}

try_until_condition_or_max_retries_with_exit_function (){
	RETRIES=1
	MAX_RETRIES=$3
	while ! eval $2; 
	do 
		echo "Trying.. $RETRIES"
		RETRIES=$((RETRIES+1))
		eval $1
		if [ "$RETRIES" -gt "$MAX_RETRIES" ]; then
			eval $4;
		fi
	done	
}

sleep_until_condition_or_max_retries_with_exit_code (){
	try_until_condition_or_max_retries_with_exit_function "sleep $1" "$2" "$3" "exit $4"
}

sleep_until_condition_or_max_retries (){
	try_until_condition_or_max_retries_with_exit_function "sleep $1" "$2" "$3" "break"
}

host_and_port_is_open () {
	nc -z $1 $2 </dev/null
}

url_is_up () {
	curl --output /dev/null --silent --head --fail $1
}

wait_for_host_and_port_to_open () {
	echo "Waiting for host $1 to become available on port $2";
	sleep_until_condition_or_max_retries_with_exit_code 15 "host_and_port_is_open $1 $2" 5 4	
}

non_exiting_wait_for_http_url () {
	echo "Waiting for url $1 to become available";
	sleep_until_condition_or_max_retries 2 "url_is_up $1" 5	
}

set_database_search_path () {
	psql_command "ALTER DATABASE ${DB_NAME} SET search_path=shark,public,gis;"
}

setup_database () {
	wait_for_host_and_port_to_open ${DB_HOST} ${DB_PORT}
	set_db_pass_for_psql ${DB_PASS}		
	if ! psql -U ${DB_USER} -h ${DB_HOST} -p ${DB_PORT} ${DB_NAME} -c '\q' 2>&1; then		
		create_database		
		create_shark_database_role		
		set_database_search_path		
		restore_backup
	fi
}

unzip_wars () {	
	unzip /tmp/openmaint/openmaint-1*.war -d $CATALINA_HOME/webapps/openmaint
	unzip /tmp/openmaint/*-shark-server*.war -d $CATALINA_HOME/webapps/shark
}

setup_conf_file () {
	envsubst < "/tmp/openmaint/configuration/$1.conf" > "/usr/local/tomcat/webapps/openmaint/WEB-INF/conf/$1.conf"
}

setup_conf_file_bim () {	
	BIM_URL=$(echo $BIM_URL | sed 's|:|\\:|g')
	setup_conf_file "bim"
}

try_to_add_geoserver_workspace () {
	if [ $GIS_ENABLED = "true" ] && [ $GEOSERVER_ON_OFF = "on" ]; then
		non_exiting_wait_for_http_url $GEOSERVER_URL
		curl --basic -u "${GEOSERVER_USER}:${GEOSERVER_PASSWORD}" -X POST -H "Content-Type: application/json" -d '{  
		  "workspace": {
		    "name": "'"${GEOSERVER_WORKSPACE}"'"
		  }
		}' "${GEOSERVER_URL}/rest/workspaces.json" || true # don't fail if not available or duplicate
	fi
}

setup_gis () {	
	try_to_add_geoserver_workspace
	GEOSERVER_URL=$(echo $GEOSERVER_URL | sed 's|:|\\:|g')
	setup_conf_file "gis"
}

configure_application () {
	sed -i 's@localhost/${cmdbuild}@'"${DB_HOST}:${DB_PORT}/${DB_NAME}"'@' $CATALINA_HOME/webapps/shark/META-INF/context.xml 
	sed -i 's@org.cmdbuild.ws.url=http://localhost:8080/cmdbuild/@org.cmdbuild.ws.url=http://localhost:8080/openmaint/@' webapps/shark/conf/Shark.conf
	setup_conf_file "database"
	setup_conf_file "cmdbuild"	
	setup_conf_file "workflow"	
	setup_conf_file_bim
	setup_gis
}

setup_application () {		
	if ! [ -d $CATALINA_HOME/webapps/shark ]; then		
		echo "$CATALINA_HOME/webapps/shark does not exist, setting up application"
		unzip_wars		
		configure_application		
	fi
}

cleanup () {
	rm -rf /tmp/openmaint
}

#END OF PRIVATE FUNCS

if [ "$1" = 'openmaint' ]; then	
	setup_application
	setup_database	
	cleanup
	exec catalina.sh run
fi

exec "$@"