asu: add attended sysupgrade server package

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

devel/asu/files/asu.defaults

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+asu_tables="$(ls -1 /usr/lib/*/site-packages/asu/utils/tables.sql | head -n 1)"
+uci -q batch <<EOF
+	del postgresql.asu
+	set postgresql.asu=postgres-db
+	set postgresql.asu.name=asu
+	set postgresql.asu.user=asu
+	set postgresql.asu.pass=password
+	set postgresql.asu.script='$asu_tables'
+	commit postgresql
+EOF
+
+sed -i 's/database_user:.*/database_user: asu/' /etc/asu/config.yml
+sed -i 's/database_pass:.*/database_pass: asu/' /etc/asu/config.yml

devel/asu/files/asu.init

@@ -0,0 +1,41 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+STOP=01
+
+USE_PROCD=1
+PROG=/usr/bin/flask
+
+start_service() {
+    . /lib/functions/postgresql.sh
+
+    local pgdata=$(uci get postgresql.config.PGDATA)
+    local i=0
+
+    while ! pg_server_ready "$pgdata"; do
+      sleep 1
+      [ $((i++)) -gt 30 ] && return 1
+    done
+
+    i=0
+    while ! pg_test_db asu asu; do
+      sleep 1
+      [ $((i++)) -gt 30 ] && return 1
+    done
+
+    FLASK_APP=asu $PROG loaddb
+
+    procd_open_instance asu_main
+#    procd_set_param user asu
+#    procd_set_param group asu
+    procd_set_param env FLASK_APP=asu
+    procd_set_param command $PROG run
+    procd_close_instance
+
+    procd_open_instance main_worker
+#    procd_set_param user asu
+#    procd_set_param group asu
+    procd_set_param env FLASK_APP=asu
+    procd_set_param command $PROG run_worker
+    procd_close_instance
+}