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.
138 lines
3.4 KiB
Bash
Executable File
138 lines
3.4 KiB
Bash
Executable File
#! /bin/bash
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set -e
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# Check if the master lock exists for the mailman.
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# It means that that either some other mailman process is running or
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# the last time mailman did not exit clean.
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if [[ -e /opt/mailman/core/var/locks/master.lck ]]; then
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echo "The mailman's master lock file still exists at /opt/mailman/core/var/locks/master.lck"
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echo "Please remove the lock file before trying to run this container again."
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exit 1
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fi
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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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# 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 $DATABASE_URL is defined and is mysql, check if the database is
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# available before the container boots up.
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#
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# TODO: Check the database type and detect if it is up based on that. For now,
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# assume that postgres is being used if DATABASE_URL is defined.
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if [[ -z "$DATABASES_URL" ]]; then
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echo "DATABASE_URL is not defined. Using sqlite database..."
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export DATABASE_URL=sqlite:///mailman.db
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export DATABASE_TYPE='sqlite'
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export DATABASE_CLASS='mailman.database.sqlite.SQLiteDatabase'
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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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fi
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# Check if $MM_HOSTNAME is set, if not, set it to a default value.
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# TODO: Factor this out to a function.
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if [[ -z "$MM_HOSTNAME" ]]; then
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export MM_HOSTNAME=mailman-core
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fi
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if [[ -z "$SMTP_HOST" ]]; then
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export SMTP_HOST='172.19.199.1'
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fi
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if [[ -z "$SMTP_PORT" ]]; then
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export SMTP_PORT=25
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fi
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if [[ ! -d /config/ ]]; then
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mkdir /config/
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fi
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# Generate a basic mailman.cfg.
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cat > /config/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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[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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[archiver.hyperkitty]
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class: mailman_hyperkitty.Archiver
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enable: yes
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configuration: /config/mailman-hyperkitty.cfg
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[database]
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class: $DATABASE_CLASS
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url: $DATABASE_URL
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EOF
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if [[ -e /opt/mailman/mailman.cfg ]]
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then
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echo "Found configuration file at /opt/mailman/mailman.cfg"
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cat /opt/mailman/mailman.cfg >> /config/mailman.cfg
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fi
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if [[ -z "$HYPERKITTY_API_KEY" ]]; then
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echo "HYPERKITTY_API_KEY not defined, please set this environment variable..."
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echo "exiting..."
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exit 1
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fi
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if [[ -z "$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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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 > /config/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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# SIGTERM Handler so that the container shuts down gracefully.
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function term_handler () {
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echo "Stopping mailman ..."
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mailman stop
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exit 143 # SIGTERM
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}
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# Set the trap for SIGTERM.
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trap 'kill ${!}; term_handler' SIGTERM
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# Start the mailman server. Mailman will start the master runner and then exit.
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mailman -C /config/mailman.cfg start &
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# wait forever.
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while true
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do
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tail -f /dev/null & wait ${!}
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done
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