entrypoint.sh
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entrypoint.sh
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	#!/bin/bash
	set -e

	if [ -z "$MYSQL_PORT_3306_TCP_ADDR" ]; then
	echo >&2 'error: missing MYSQL_PORT_3306_TCP environment variable'
	echo >&2 ' Did you forget to --link some_mysql_container:mysql ?'
	exit 1
	fi

	# if we're linked to MySQL, and we're using the root user, and our linked
	# container has a default "root" password set up and passed through... :)
	: ${ETHERPAD_DB_USER:=root}
	if [ "$ETHERPAD_DB_USER" = 'root' ]; then
	: ${ETHERPAD_DB_PASSWORD:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}
	fi
	: ${ETHERPAD_DB_NAME:=etherpad}

	ETHERPAD_DB_NAME=$( echo $ETHERPAD_DB_NAME \| sed 's/\./_/g' )

	if [ -z "$ETHERPAD_DB_PASSWORD" ]; then
	echo >&2 'error: missing required ETHERPAD_DB_PASSWORD environment variable'
	echo >&2 ' Did you forget to -e ETHERPAD_DB_PASSWORD=... ?'
	echo >&2
	echo >&2 ' (Also of interest might be ETHERPAD_DB_USER and ETHERPAD_DB_NAME.)'
	exit 1
	fi

	: ${ETHERPAD_TITLE:=Etherpad}
	: ${ETHERPAD_PORT:=9001}
	: ${ETHERPAD_SESSION_KEY:=$(
	node -p "require('crypto').randomBytes(32).toString('hex')")}

	# Check if database already exists
	RESULT=`mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} \
	-hmysql --skip-column-names \
	-e "SHOW DATABASES LIKE '${ETHERPAD_DB_NAME}'"`

	if [ "$RESULT" != $ETHERPAD_DB_NAME ]; then
	# mysql database does not exist, create it
	echo "Creating database ${ETHERPAD_DB_NAME}"

	mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} -hmysql \
	-e "create database ${ETHERPAD_DB_NAME}"
	fi

	if [ ! -f settings.json ]; then

	cat <<- EOF > settings.json
	{
	"title": "${ETHERPAD_TITLE}",
	"ip": "0.0.0.0",
	"port" :${ETHERPAD_PORT},
	"sessionKey" : "${ETHERPAD_SESSION_KEY}",
	"dbType" : "mysql",
	"dbSettings" : {
	"user" : "${ETHERPAD_DB_USER}",
	"host" : "mysql",
	"password": "${ETHERPAD_DB_PASSWORD}",
	"database": "${ETHERPAD_DB_NAME}"
	},
	EOF

	if [ $ETHERPAD_ADMIN_PASSWORD ]; then

	: ${ETHERPAD_ADMIN_USER:=admin}

	cat <<- EOF >> settings.json
	"users": {
	"${ETHERPAD_ADMIN_USER}": {
	"password": "${ETHERPAD_ADMIN_PASSWORD}",
	"is_admin": true
	}
	},
	EOF
	fi

	cat <<- EOF >> settings.json
	}
	EOF
	fi

	exec "$@"

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