2015-05-22 13:47:35 +02:00
|
|
|
#!/bin/bash
|
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
# This script uses these environment variables:
|
|
|
|
#
|
|
|
|
# APP_MODULE: Python dotted path to your WSGI application.
|
|
|
|
# If not provided, tries to find the Python path to a 'wsgi.py' file
|
|
|
|
# in the source tree.
|
|
|
|
# That file is present in Django projects by default.
|
|
|
|
# APP_CONFIG: Optional configuration file for gunicorn.
|
|
|
|
# APP_FILE: Optional path to Python script to run your application.
|
|
|
|
# Defaults to 'app.py' if it exists.
|
|
|
|
#
|
|
|
|
# DISABLE_MIGRATE: if not empty, inhibits execution of 'manage.py migrate'.
|
|
|
|
|
|
|
|
BIND_ADDR="0.0.0.0:8080"
|
|
|
|
|
|
|
|
function run() {
|
|
|
|
# For SCL enablement
|
|
|
|
source .bashrc
|
|
|
|
|
|
|
|
set -e
|
|
|
|
|
|
|
|
# Try to run application with the strategies below, in precedence order.
|
|
|
|
# The first successful strategy takes over this script's process via exec.
|
|
|
|
# If no strategy succeed, report an error message and terminate.
|
|
|
|
run_django
|
|
|
|
run_gunicorn "$APP_MODULE"
|
|
|
|
run_python_script "${APP_FILE:-app.py}"
|
|
|
|
|
|
|
|
echo "ERROR: don't know how to run your application."
|
|
|
|
echo "Please set either APP_MODULE or APP_FILE environment variables,"
|
|
|
|
echo "or create a file 'app.py' to launch your application."
|
|
|
|
return 1
|
2015-05-22 13:47:35 +02:00
|
|
|
}
|
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
function run_django() {
|
|
|
|
! pip show -q django && return
|
2015-05-22 13:47:35 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
# Find shallowest manage.py script, either ./manage.py or <project>/manage.py
|
|
|
|
local MANAGE_FILE=$(find . -maxdepth 2 -type f -name 'manage.py' -printf '%d\t%P\n' | sort -nk1 | cut -f2 | head -1)
|
2015-05-22 13:47:35 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
django_migrate "$MANAGE_FILE"
|
2015-05-22 14:00:57 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
# try to use gunicorn
|
|
|
|
run_gunicorn "$APP_MODULE"
|
|
|
|
# or fallback to Django's development server
|
|
|
|
django_runserver "$MANAGE_FILE"
|
|
|
|
}
|
2015-05-22 14:00:57 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
function django_migrate() {
|
|
|
|
[ -n "$DISABLE_MIGRATE" ] && return
|
|
|
|
echo "---> Migrating database ..."
|
|
|
|
django_manage_cmd "$1" migrate --noinput
|
|
|
|
}
|
2015-05-22 14:00:57 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
function django_runserver() {
|
|
|
|
echo "---> Serving application with 'manage.py runserver' ..."
|
|
|
|
echo "---> WARNING: this is NOT a recommended way to run you application in production!"
|
|
|
|
django_manage_cmd "$1" runserver "$BIND_ADDR"
|
|
|
|
}
|
2015-05-22 14:00:57 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
function django_manage_cmd() {
|
|
|
|
local MANAGE_FILE="$1"
|
|
|
|
local CMD="${@:2}"
|
2015-05-22 14:00:57 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
if [ ! -f "$MANAGE_FILE" ]; then
|
|
|
|
echo "WARNING: seems that you're using Django, but we could not find a 'manage.py' file."
|
|
|
|
echo "'manage.py $CMD' ignored."
|
|
|
|
return
|
|
|
|
fi
|
|
|
|
|
|
|
|
if [[ "$CMD" =~ ^runserver ]]; then
|
|
|
|
exec python "$MANAGE_FILE" $CMD
|
|
|
|
else
|
|
|
|
python "$MANAGE_FILE" $CMD
|
|
|
|
fi
|
|
|
|
}
|
2015-05-22 13:47:35 +02:00
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
function run_gunicorn() {
|
|
|
|
! pip show -q gunicorn && return
|
|
|
|
|
|
|
|
local APP_MODULE="$1"
|
|
|
|
|
|
|
|
if [ -z "$APP_MODULE" ]; then
|
|
|
|
# Find shallowest wsgi.py file, one of ./wsgi.py, <project>/wsgi.py or <project>/<project>/wsgi.py,
|
|
|
|
# replace "/" with "." and remove ".py" suffix
|
|
|
|
APP_MODULE=$(find . -maxdepth 3 -type f -name 'wsgi.py' -printf '%d\t%P\n' | sort -nk1 | cut -f2 | head -1 | sed 's:/:.:;s:.py$::')
|
|
|
|
fi
|
|
|
|
|
|
|
|
if [ -z "$APP_MODULE" ]; then
|
|
|
|
echo "WARNING: seems that you're trying to use gunicorn, but no WSGI application module was specified."
|
|
|
|
return
|
|
|
|
fi
|
|
|
|
|
|
|
|
echo "---> Serving application with gunicorn ..."
|
|
|
|
exec gunicorn "$APP_MODULE" --bind="$BIND_ADDR" --access-logfile=- --config "$APP_CONFIG"
|
|
|
|
}
|
|
|
|
|
|
|
|
function run_python_script() {
|
|
|
|
local APP_FILE="$1"
|
|
|
|
|
|
|
|
[ ! -f "$APP_FILE" ] && return
|
|
|
|
|
|
|
|
echo "---> Running application from Python script ..."
|
|
|
|
exec python -u "$APP_FILE"
|
|
|
|
}
|
2015-05-22 13:47:35 +02:00
|
|
|
|
|
|
|
|
2015-06-05 23:35:22 +02:00
|
|
|
run
|