274 lines
7.1 KiB
Bash
274 lines
7.1 KiB
Bash
#! /bin/bash
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# Note(decentral1se): This is a copy/pasta of the upstream entrypoint
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# See https://github.com/maxking/docker-mailman/issues/86
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# See https://git.autonomic.zone/coop-cloud/mailman3/issues/3
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set -e
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file_env() {
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local var="$1"
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local fileVar="${var}_FILE"
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local def="${2:-}"
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if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
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exit 1
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fi
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local val="$def"
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if [ "${!var:-}" ]; then
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val="${!var}"
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elif [ "${!fileVar:-}" ]; then
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val="$(< "${!fileVar}")"
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fi
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export "$var"="$val"
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unset "$fileVar"
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}
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# Load secrets and expose env vars
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file_env "DATABASE_PASSWORD"
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file_env "HYPERKITTY_API_KEY"
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file_env "MAILMAN_REST_PASSWORD"
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export DATABASE_URL="postgres://${DATABASE_USER}:${DATABASE_PASSWORD}@${DATABASE_HOST}/${DATABASE_NAME}"
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# Diabolical hack to remove duplicate hostnames due to Docker shared networks
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# See https://git.autonomic.zone/coop-cloud/mailu/src/branch/main/compose.yml for more
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sed "/192.168/d" /etc/hosts > /etc/hosts-single-hostname
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cat /etc/hosts-single-hostname > /etc/hosts
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# --- upstream entrypoint below ---
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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 python3's psycopg2 module to do this in python3 instead of
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# installing postgres-client in the image.
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until psql $DATABASE_URL -c '\l'; do
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>&2 echo "Postgres is unavailable - sleeping"
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sleep 1
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done
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>&2 echo "Postgres is up - continuing"
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}
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function wait_for_mysql () {
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# Check if MySQL is up and accepting connections.
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HOSTNAME=$(python3 -c "from urllib.parse import urlparse; o = urlparse('$DATABASE_URL'); print(o.hostname);")
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until mysqladmin ping --host "$HOSTNAME" --silent; do
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>&2 echo "MySQL is unavailable - sleeping"
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sleep 1
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done
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>&2 echo "MySQL is up - continuing"
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}
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# Empty the config file.
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echo "# This file is autogenerated at container startup." > /etc/mailman.cfg
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# Check if $MM_HOSTNAME is set, if not, set it to the value returned by
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# `hostname -i` command to set it to whatever IP address is assigned to the
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# container.
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if [[ ! -v MM_HOSTNAME ]]; then
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export MM_HOSTNAME=`hostname -i`
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fi
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# SMTP_HOST defaults to the gateway
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if [[ ! -v SMTP_HOST ]]; then
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export SMTP_HOST=$(/sbin/ip route | awk '/default/ { print $3 }')
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echo "SMPT_HOST not specified, using the gateway ($SMTP_HOST) as default"
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fi
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if [[ ! -v SMTP_PORT ]]; then
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export SMTP_PORT=25
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fi
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# Check if REST port, username, and password are set, if not, set them
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# to default values.
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if [[ ! -v MAILMAN_REST_PORT ]]; then
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export MAILMAN_REST_PORT='8001'
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fi
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if [[ ! -v MAILMAN_REST_USER ]]; then
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export MAILMAN_REST_USER='restadmin'
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fi
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if [[ ! -v MAILMAN_REST_PASSWORD ]]; then
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export MAILMAN_REST_PASSWORD='restpass'
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fi
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function setup_database () {
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if [[ ! -v DATABASE_URL ]]
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then
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echo "Environment variable DATABASE_URL should be defined..."
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exit 1
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fi
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# Translate mysql:// urls to mysql+mysql:// backend:
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if [[ "$DATABASE_URL" == mysql://* ]]; then
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DATABASE_URL="mysql+pymysql://${DATABASE_URL:8}"
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echo "Database URL was automatically rewritten to: $DATABASE_URL"
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fi
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# If DATABASE_CLASS is not set, guess it for common databases:
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if [ -z "$DATABASE_CLASS" ]; then
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if [[ ("$DATABASE_URL" == mysql:*) ||
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("$DATABASE_URL" == mysql+*) ]]; then
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DATABASE_CLASS=mailman.database.mysql.MySQLDatabase
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fi
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if [[ ("$DATABASE_URL" == postgres:*) ||
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("$DATABASE_URL" == postgres+*) ]]; then
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DATABASE_CLASS=mailman.database.postgresql.PostgreSQLDatabase
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fi
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fi
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cat >> /etc/mailman.cfg <<EOF
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[database]
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class: $DATABASE_CLASS
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url: $DATABASE_URL
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EOF
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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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# TODO: If the $DATABASE_URL is defined and is mysql, check if the database is
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# available before the container boots up.
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#
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# TODO: Check the database type and detect if it is up based on that. For now,
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# assume that postgres is being used if DATABASE_URL is defined.
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if [[ ! -v DATABASE_URL ]]; then
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echo "DATABASE_URL is not defined. Using sqlite database..."
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else
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setup_database
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fi
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if [[ "$DATABASE_TYPE" = 'postgres' ]]
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then
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wait_for_postgres
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elif [[ "$DATABASE_TYPE" = 'mysql' ]]
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then
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wait_for_mysql
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fi
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# Generate a basic mailman.cfg.
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cat >> /etc/mailman.cfg << EOF
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[runner.retry]
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sleep_time: 10s
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[webservice]
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hostname: $MM_HOSTNAME
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port: $MAILMAN_REST_PORT
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admin_user: $MAILMAN_REST_USER
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admin_pass: $MAILMAN_REST_PASSWORD
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configuration: /etc/gunicorn.cfg
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EOF
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# Generate a basic gunicorn.cfg.
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SITE_DIR=$(python3 -c 'import site; print(site.getsitepackages()[0])')
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cp "${SITE_DIR}/mailman/config/gunicorn.cfg" /etc/gunicorn.cfg
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# Generate a basic configuration to use exim
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cat > /tmp/exim-mailman.cfg <<EOF
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[mta]
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incoming: mailman.mta.exim4.LMTP
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outgoing: mailman.mta.deliver.deliver
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lmtp_host: $MM_HOSTNAME
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lmtp_port: 8024
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smtp_host: $SMTP_HOST
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smtp_port: $SMTP_PORT
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configuration: python:mailman.config.exim4
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EOF
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cat > /etc/postfix-mailman.cfg << EOF
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[postfix]
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transport_file_type: regex
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# While in regex mode, postmap_command is never used, a placeholder
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# is added here so that it doesn't break anything.
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postmap_command: true
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EOF
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# Generate a basic configuration to use postfix.
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cat > /tmp/postfix-mailman.cfg <<EOF
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[mta]
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incoming: mailman.mta.postfix.LMTP
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outgoing: mailman.mta.deliver.deliver
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lmtp_host: $MM_HOSTNAME
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lmtp_port: 8024
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smtp_host: $SMTP_HOST
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smtp_port: $SMTP_PORT
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configuration: /etc/postfix-mailman.cfg
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EOF
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if [ "$MTA" == "exim" ]
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then
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echo "Using Exim configuration"
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cat /tmp/exim-mailman.cfg >> /etc/mailman.cfg
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elif [ "$MTA" == "postfix" ]
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then
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echo "Using Postfix configuration"
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cat /tmp/postfix-mailman.cfg >> /etc/mailman.cfg
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else
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echo "No MTA environment variable found, defaulting to Exim"
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cat /tmp/exim-mailman.cfg >> /etc/mailman.cfg
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fi
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rm -f /tmp/{postfix,exim}-mailman.cfg
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if [[ -e /opt/mailman/mailman-extra.cfg ]]
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then
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echo "Found configuration file at /opt/mailman/mailman-extra.cfg"
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cat /opt/mailman/mailman-extra.cfg >> /etc/mailman.cfg
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fi
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if [[ -e /opt/mailman/gunicorn-extra.cfg ]]
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then
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echo "Found [webserver] configuration file at /opt/mailman/gunicorn-extra.cfg"
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cat /opt/mailman/gunicorn-extra.cfg > /etc/gunicorn.cfg
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fi
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if [[ -v HYPERKITTY_API_KEY ]]; then
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echo "HYPERKITTY_API_KEY found, setting up HyperKitty archiver..."
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cat >> /etc/mailman.cfg << EOF
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[archiver.hyperkitty]
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class: mailman_hyperkitty.Archiver
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enable: yes
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configuration: /etc/mailman-hyperkitty.cfg
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EOF
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if [[ ! -v HYPERKITTY_URL ]]; then
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echo "HYPERKITTY_URL not set, using the default value of http://mailman-web:8000/hyperkitty"
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export HYPERKITTY_URL="http://mailman-web:8000/hyperkitty/"
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fi
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# Generate a basic mailman-hyperkitty.cfg.
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cat > /etc/mailman-hyperkitty.cfg <<EOF
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[general]
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base_url: $HYPERKITTY_URL
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api_key: $HYPERKITTY_API_KEY
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EOF
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else
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echo "HYPERKITTY_API_KEY not defined, skipping HyperKitty setup..."
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fi
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# Generate the LMTP files for postfix if needed.
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mailman aliases
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# Now chown the places where mailman wants to write stuff.
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chown -Rf mailman /opt/mailman || true
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exec su-exec mailman "$@"
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