#!/bin/bash
set -eux

RC=0
fail () {
	echo "FAIL: $@" >&2
	RC=1
}


function exit_handler()
{
    systemctl stop apache2 || true
    if test -f /run/uwsgi/uwsgi.pid; then
	kill -TERM $(cat /run/uwsgi/uwsgi.pid)
    fi
    cat $AUTOPKGTEST_ARTIFACTS/apache2/error.log || true
    cat $AUTOPKGTEST_ARTIFACTS/apache2/access.log || true
    cat $AUTOPKGTEST_ARTIFACTS/apache2/uwsgi.log || true
    cat $AUTOPKGTEST_ARTIFACTS/apache2/uwsgi.error.log || true
}
trap exit_handler EXIT


a2enmod proxy
a2enmod proxy_uwsgi

rsync -a /var/log/apache2 "$AUTOPKGTEST_ARTIFACTS"
rm /var/log/apache2/*
mount -o bind "$AUTOPKGTEST_ARTIFACTS/apache2" /var/log/apache2

tee /etc/apache2/sites-available/000-default.conf <<'EOF'
<VirtualHost *:80>
	# The ServerName directive sets the request scheme, hostname and port that
	# the server uses to identify itself. This is used when creating
	# redirection URLs. In the context of virtual hosts, the ServerName
	# specifies what hostname must appear in the request's Host: header to
	# match this virtual host. For the default virtual host (this file) this
	# value is not decisive as it is used as a last resort host regardless.
	# However, you must set it for any further virtual host explicitly.
	#ServerName www.example.com

	ServerAdmin webmaster@localhost
	DocumentRoot /var/www/html

	# Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
	# error, crit, alert, emerg.
	# It is also possible to configure the loglevel for particular
	# modules, e.g.
	#LogLevel info ssl:warn

	ErrorLog ${APACHE_LOG_DIR}/error.log
	CustomLog ${APACHE_LOG_DIR}/access.log combined

	# For most configuration files from conf-available/, which are
	# enabled or disabled at a global level, it is possible to
	# include a line for only one particular virtual host. For example the
	# following line enables the CGI configuration for this host only
	# after it has been globally disabled with "a2disconf".
	#Include conf-available/serve-cgi-bin.conf
	ProxyPass "/uwsgi" "unix:/run/uwsgi/test.socket|uwsgi://localhost"
</VirtualHost>
EOF

systemctl restart apache2

test -d /etc/uwsgi/ || mkdir /etc/uwsgi



tee /etc/systemd/system/uwsgi-app@.socket <<EOF
[Unit]
Description=Socket for uWSGI app %i

[Socket]
ListenStream=/run/uwsgi/%i.socket
SocketUser=www-%i
SocketGroup=www-data
SocketMode=0660

[Install]
WantedBy=sockets.target
EOF

tee /etc/systemd/system/uwsgi-app@.service <<EOF
[Unit]
Description=%i uWSGI app
After=syslog.target

[Service]
ExecStart=/usr/bin/uwsgi \
        --ini /etc/uwsgi/apps-available/%i.ini \
        --socket /run/uwsgi/%i.socket
User=www-%i
Group=www-data
Restart=on-failure
KillSignal=SIGQUIT
Type=notify
StandardError=file:/var/log/apache2/uwsgi.error.log
StandardOutput=file:/var/log/apache2/uwsgi.log
NotifyAccess=all

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload

useradd uwsgi_test
useradd www-test

tee /etc/uwsgi/apps-available/test.ini <<EOF
[uwsgi]
chdir=/tmp
master=True
cheap=True
die-on-idle=True
manage-script-name=True
plugin=python3
wsgi-file=/tmp/uwsgi.py
EOF


tee /tmp/uwsgi.py <<'EOF'
import wsgiref.headers as h
def application(env, start_response):
    buggy_header=('buggy','buggy#\r\nbuggy2:buggy2')
    start_response('200 OK', [('Content-Type','text/html'),buggy_header])
    ret = "Hello World Headers {}".format(env).encode()
    return [ret]
EOF
chown 'www-test:www-test' /tmp/uwsgi.py
chmod +x /tmp/uwsgi.py

systemctl enable uwsgi-app@test.socket
systemctl enable uwsgi-app@test.service
systemctl start uwsgi-app@test.socket
systemctl restart apache2


wget -S -q --output-document - http://localhost/uwsgi
wget -q --output-document - http://localhost/uwsgi | grep "^Hello World"

exit $RC
-