Import friwall role from network ansible scripts

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

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 $?
+}