Import friwall role from network ansible scripts

To reuse alpine and nginx roles. Probably going to merge repos at some point.

roles/friwall/files/friwall.ini

@@ -0,0 +1,16 @@
+[uwsgi]
+uid = friwall
+gid = friwall
+
+socket = /run/friwall.socket
+chown-socket = friwall:nginx
+chmod-socket = 660
+
+plugin = python3
+chdir = /srv/friwall/app
+mount = /=wsgi:app
+env = PYTHONUSERBASE=/srv/friwall/.local
+env = HOME=/srv/friwall
+
+# Microsoft OIDC endpoint sends some fat‐ass headers.
+buffer-size = 16384

roles/friwall/files/motd

@@ -0,0 +1 @@
+Welcome to the wall. Trespassers will be shot. Survivors will be shot again.

roles/friwall/files/pusher.initd

@@ -0,0 +1,18 @@
+#!/sbin/openrc-run
+
+command="/srv/friwall/app/$RC_SVCNAME"
+command_background="yes"
+command_user="friwall"
+command_group="nogroup"
+directory="/srv/friwall"
+pidfile="/run/$RC_SVCNAME.pid"
+
+depend() {
+	need net
+}
+
+stop() {
+	ebegin "Stopping $RC_SVCNAME"
+	pkill -INT -g $(cat "$pidfile") && rm -f "$pidfile"
+	eend $?
+}

roles/friwall/files/uwsgi.ini

@@ -0,0 +1,2 @@
+[uwsgi]
+emperor = /etc/uwsgi/conf.d