boot

#!/usr/bin/env bash
#
# This script is designed to be run inside the container
#

# fail hard and fast even on pipelines
set -eo pipefail

# set debug based on envvar
[[ $DRYCC_DEBUG == "true" ]] && set -x

echo system information:
echo "Django Version: $(./manage.py --version)"
python --version

mkdir -p /app/data/logs
chmod -R 777 /app/data/logs

echo "Django checks:"
python /app/manage.py check --deploy api

echo ""
echo "Health Checks:"
python /app/manage.py healthchecks

echo ""
echo "Database Migrations:"
python /app/manage.py migrate --noinput

# spawn a gunicorn server in the background
echo ""
echo "Starting up Gunicorn"
gunicorn -c /app/drycc/gunicorn/config.py api.wsgi &

echo ""
echo "Loading database information to Kubernetes in the background"
echo "Log of the run can be found in /app/data/logs/load_db_state_to_k8s.log"
# python -u avoids output buffering
nohup python -u /app/manage.py load_db_state_to_k8s > /app/data/logs/load_db_state_to_k8s.log &
# celery
nohup su-exec nobody celery -A api worker -Q priority.low --autoscale=8,1 --loglevel=WARNING > /app/data/logs/celery.log 2>&1 &
nohup su-exec nobody celery -A api worker -Q priority.middle --autoscale=16,1 --loglevel=WARNING > /app/data/logs/celery.log 2>&1 &
nohup su-exec nobody celery -A api worker -Q priority.high --autoscale=32,1 --loglevel=WARNING > /app/data/logs/celery.log 2>&1 &
# smart shutdown on SIGTERM (SIGINT is handled by gunicorn)
function on_exit() {
	GUNICORN_PID=$(cat /tmp/gunicorn.pid)
	kill -TERM "$GUNICORN_PID" 2>/dev/null
	wait "$GUNICORN_PID" 2>/dev/null
	exit 0
}
trap on_exit TERM

echo ""
echo drycc-controller running...

wait