235e076e63
Following 12factor principle for app development, all the configuration variables for the docker images can now be setup using environment vars. The default values are set using the run.sh script in both mailman-web and mailman-core containers. Mailman-core is now run by "run.sh" which traps SIGTERM and performs mailman stop for graceful exit of mailman core.
113 lines
3.5 KiB
Bash
Executable File
113 lines
3.5 KiB
Bash
Executable File
#! /bin/bash
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set -e
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function wait_for_postgres () {
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# Check if the postgres database is up and accepting connections before
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# moving forward.
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# TODO: Use python's psycopg2 module to do this in python instead of
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# installing postgres-client in the image.
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until psql $DATABASE_URL -c '\l'; do
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>&2 echo "Postgres is unavailable - sleeping"
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sleep 1
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done
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>&2 echo "Postgres is up - continuing"
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}
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function check_or_create () {
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# Check if the path exists, if not, create the directory.
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if [[ ! -e dir ]]; then
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echo "$1 does not exist, creating ..."
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mkdir "$1"
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fi
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}
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# function postgres_ready(){
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# python << END
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# import sys
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# import psycopg2
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# try:
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# conn = psycopg2.connect(dbname="$POSTGRES_DB", user="$POSTGRES_USER", password="$POSTGRES_PASSWORD", host="postgres")
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# except psycopg2.OperationalError:
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# sys.exit(-1)
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# sys.exit(0)
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# END
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# }
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# Check if $DATABASE_URL is defined, if not, use a standard sqlite database.
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#
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# If the $DATABASE_URL is defined and is postgres, check if it is available
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# yet. Do not start the container before the postgresql boots up.
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#
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# If the $DATABASE_URL is defined and is mysql, check if the database is
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# available before the container boots up.
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#
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# TODO: Check the database type and detect if it is up based on that. For now,
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# assume that postgres is being used if DATABASE_URL is defined.
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if [[ ! -v DATABASE_URL ]]; then
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echo "DATABASE_URL is not defined. Using sqlite database..."
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export DATABASE_URL=sqlite://mailmanweb.db
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export DATABASE_TYPE='sqlite'
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else
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export DATABASE_TYPE='postgres'
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wait_for_postgres
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fi
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# Check if we are in the correct directory before running commands.
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if [[ ! $(pwd) == '/opt/mailman-web' ]]; then
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echo "Running in the wrong directory...switching to /opt/mailman-web"
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cd /opt/mailman-web
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fi
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# Check if the logs directory is setup.
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if [[ ! -e /opt/mailman-web-data/logs/mailmanweb.log ]]; then
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echo "Creating log file for mailman web"
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mkdir -p /opt/mailman-web-data/logs/
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touch /opt/mailman-web-data/logs/mailmanweb.log
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fi
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if [[ ! -e /opt/mailman-web-data/logs/uwsgi.log ]]; then
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echo "Creating log file for uwsgi.."
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touch /opt/mailman-web-data/logs/uwsgi.log
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fi
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# Check if the settings_local.py file exists, if yes, copy it too.
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if [[ -e /opt/mailman-web-data/settings_local.py ]]; then
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echo "Copying settings_local.py ..."
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cp /opt/mailman-web-data/settings_local.py /opt/mailman-web/settings_local.py
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else
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echo "settings_local.py not found, it is highly recommended that you provide one/"
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echo "Using default configuration to run."
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fi
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# Collect static for the django installation.
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python manage.py collectstatic --noinput
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# Migrate all the data to the database if this is a new installation, otherwise
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# this command will upgrade the database.
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python manage.py migrate
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# Check if there is a non-standard location for logging defined.
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# It can be changed by $UWSGI_LOG_URL environment variable, which if not set points
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# to /opt/mailman-web/logs/uwsgi.log
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# It can also point to a logging daemon accessible at a URL.
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if [[ -z "$UWSGI_LOG_URL" ]]; then
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echo "No $UWSGI_LOG_URL defined, logging uwsgi to /opt/mailman-web-data/logs/uwsgi.log ..."
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export UWSGI_LOG_URL='/opt/mailman-web-data/logs/uwsgi.log'
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if [[ ! -e "$UWSGI_LOG_URL" ]]; then
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touch "$UWSGI_LOG_URL"
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fi
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fi
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if [[ -z "$UWSGI_WSGI_FILE" ]]; then
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export UWSGI_WSGI_FILE="wsgi.py"
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export UWSGI_HTTP=":8000"
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export UWSGI_WORKERS=2
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export UWSGI_THREADS=4
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fi
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# Run the web server.
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uwsgi --http-auto-chunked --http-keepalive --logto "$UWSGI_LOG_URL"
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