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executable file 203 lines (173 sloc) 6.47 KB
#! /bin/bash
# GNU Mailman 3 Core for COmanage Registry Dockerfile entrypoint
#
# This bash script borrows heavily from a script by Abhilash Raj for
# GNU Mailman 3. See https://github.com/maxking/docker-mailman
#
# Portions licensed to the University Corporation for Advanced Internet
# Development, Inc. ("UCAID") under one or more contributor license agreements.
# See the NOTICE file distributed with this work for additional information
# regarding copyright ownership.
#
# UCAID 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.
set -e
function wait_for_postgres () {
# Check if the postgres database is up and accepting connections before
# moving forward.
# TODO: Use python's psycopg2 module to do this in python instead of
# installing postgres-client in the image.
until psql $MAILMAN_DATABASE_URL -c '\l'; do
>&2 echo "Postgres is unavailable - sleeping"
sleep 1
done
>&2 echo "Postgres is up - continuing"
}
function wait_for_mysql () {
# Check if MySQL is up and accepting connections.
HOSTNAME=$(python <<EOF
try:
from urllib.parse import urlparse
except ImportError:
from urlparse import urlparse
o = urlparse('$MAILMAN_DATABASE_URL')
print(o.hostname)
EOF
)
until mysqladmin ping --host "$HOSTNAME" --silent; do
>&2 echo "MySQL is unavailable - sleeping"
sleep 1
done
>&2 echo "MySQL is up - continuing"
}
function check_or_create () {
# Check if the path exists, if not, create the directory.
if [[ ! -e dir ]]; then
echo "$1 does not exist, creating ..."
mkdir "$1"
fi
}
# Configuration details that may be injected through environment
# variables or the contents of files.
injectable_config_vars=(
HYPERKITTY_API_KEY
MAILMAN_DATABASE_URL
MAILMAN_REST_PASSWORD
MAILMAN_WEB_SECRET_KEY
)
# If the file associated with a configuration variable is present then
# read the value from it into the appropriate variable.
for config_var in "${injectable_config_vars[@]}"
do
eval file_name=\$"${config_var}_FILE";
if [ -e "$file_name" ]; then
declare "${config_var}"=`cat $file_name`
export "${config_var}"=`cat $file_name`
fi
done
# Django needs DATABASE_URL.
if [[ MAILMAN_DATABASE_URL ]]; then
export DATABASE_URL="$MAILMAN_DATABASE_URL"
fi
# Wait for the mailman core container to be ready.
if [[ ! -v MAILMAN_CORE_HOST ]];
then
export MAILMAN_CORE_HOST="mailman-core"
fi
if [[ ! -v MAILMAN_CORE_PORT ]];
then
export MAILMAN_CORE_PORT=8001
fi
until nc -z -w 1 "${MAILMAN_CORE_HOST}" "${MAILMAN_CORE_PORT}"
do
echo "Waiting for Mailman core container..."
sleep 1
done
# Set SECRET_KEY which is required by the Django code.
if [[ -v MAILMAN_WEB_SECRET_KEY ]]; then
export SECRET_KEY="$MAILMAN_WEB_SECRET_KEY"
fi
# Check if $SECRET_KEY is defined, if not, bail out.
if [[ ! -v SECRET_KEY ]]; then
echo "SECRET_KEY is not defined. Aborting."
exit 1
fi
# Check if $MAILMAN_DATABASE_URL is defined, if not, use a standard sqlite database.
#
# If the $MAILMAN_DATABASE_URL is defined and is postgres, check if it is available
# yet. Do not start the container before the postgresql boots up.
#
# If the $MAILMAN_DATABASE_URL is defined and is mysql, check if the database is
# available before the container boots up.
#
# TODO: Check the database type and detect if it is up based on that. For now,
# assume that postgres is being used if MAILMAN_DATABASE_URL is defined.
if [[ ! -v MAILMAN_DATABASE_URL ]]; then
echo "MAILMAN_DATABASE_URL is not defined. Using sqlite database..."
export MAILMAN_DATABASE_URL=sqlite://mailmanweb.db
export MAILMAN_DATABASE_TYPE='sqlite'
fi
if [[ "$MAILMAN_DATABASE_TYPE" = 'postgres' ]]
then
wait_for_postgres
elif [[ "$MAILMAN_DATABASE_TYPE" = 'mysql' ]]
then
wait_for_mysql
fi
# Check if we are in the correct directory before running commands.
if [[ ! $(pwd) == '/opt/mailman-web' ]]; then
echo "Running in the wrong directory...switching to /opt/mailman-web"
cd /opt/mailman-web
fi
# Check if the logs directory is setup.
if [[ ! -e /opt/mailman-web-data/logs/mailmanweb.log ]]; then
echo "Creating log file for mailman web"
mkdir -p /opt/mailman-web-data/logs/
touch /opt/mailman-web-data/logs/mailmanweb.log
fi
if [[ ! -e /opt/mailman-web-data/logs/uwsgi.log ]]; then
echo "Creating log file for uwsgi.."
touch /opt/mailman-web-data/logs/uwsgi.log
fi
# Check if the settings_local.py file exists, if yes, copy it too.
if [[ -e /opt/mailman-web-data/settings_local.py ]]; then
echo "Copying settings_local.py ..."
cp /opt/mailman-web-data/settings_local.py /opt/mailman-web/settings_local.py
chown mailman:mailman /opt/mailman-web/settings_local.py
fi
# Collect static for the django installation.
python manage.py collectstatic --noinput
# Migrate all the data to the database if this is a new installation, otherwise
# this command will upgrade the database.
python manage.py migrate
# If MAILMAN_ADMIN_USER and MAILMAN_ADMIN_EMAIL is defined create a new
# superuser for Django. There is no password setup so it can't login yet unless
# the password is reset.
if [[ -v MAILMAN_ADMIN_USER ]] && [[ -v MAILMAN_ADMIN_EMAIL ]];
then
echo "Creating admin user $MAILMAN_ADMIN_USER ..."
python manage.py createsuperuser --noinput --username "$MAILMAN_ADMIN_USER"\
--email "$MAILMAN_ADMIN_EMAIL" 2> /dev/null || \
echo "Superuser $MAILMAN_ADMIN_USER already exists"
fi
# If SERVE_FROM_DOMAIN is defined then rename the default `example.com`
# domain to the defined domain.
if [[ -v SERVE_FROM_DOMAIN ]];
then
echo "Setting $SERVE_FROM_DOMAIN as the default domain ..."
python manage.py shell -c \
"from django.contrib.sites.models import Site; Site.objects.filter(domain='example.com').update(domain='$SERVE_FROM_DOMAIN', name='$SERVE_FROM_DOMAIN')"
fi
# Create a mailman user with the specific UID and GID and do not create home
# directory for it. Also chown the logs directory to write the files.
chown mailman:mailman /opt/mailman-web-data -R
exec $@