test: refactor test framework to use a rootfs skeleton

Instead of having to create files, and copying them in place for each
test, we move all static test files to a skeleton rootfs.  This makes
it a lot easier to get an overview of how things and how they work.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

test/common/Makefile.am

@@ -1,4 +1,2 @@
-EXTRA_DIST	= service.conf service.sh S01-service.sh slay.sh
-
 noinst_PROGRAMS = serv
 serv_SOURCES    = serv.c

test/common/S01-service.sh

@@ -1,51 +0,0 @@
-#!/bin/sh
-# SysV style start script for service.sh
-
-DAEMON="/test_assets/service.sh"
-PIDFILE="/var/run/service.pid"
-
-start()
-{
-	printf 'Starting %s: ' "$DAEMON"
-	start-stop-daemon -S -b -q -p "$PIDFILE" -x "$DAEMON"
-
-	status=$?
-	if [ "$status" -eq 0 ]; then
-		echo "OK"
-	else
-		echo "FAIL"
-	fi
-
-	return "$status"
-}
-
-stop()
-{
-	printf 'Stopping %s: ' "$DAEMON"
-	start-stop-daemon -K -q -p "$PIDFILE"
-
-	status=$?
-	if [ "$status" -eq 0 ]; then
-		echo "OK"
-	else
-		echo "FAIL"
-	fi
-
-	return "$status"
-}
-
-restart()
-{
-	stop
-	sleep 1
-	start
-}
-
-case "$1" in
-	start|stop|restart)
-		"$1"
-		;;
-	*)
-		echo "Usage: $0 {start|stop|restart}, got $0 $1"
-		exit 1
-esac

test/common/service.conf

@@ -1 +0,0 @@
-service [2345] kill:20 log /test_assets/service.sh

test/common/service.sh

@@ -1,24 +0,0 @@
-#!/bin/sh
-
-cleanup()
-{
-	echo "Got signal, stopping ..."
-	rm -f /run/service.pid
-	exit 0
-}
-
-# Hook SIGUSR1 and dump trace to file system
-# shellcheck disable=SC2172
-trap 'echo USR1 > /tmp/usr1.log' USR1
-trap cleanup INT
-trap cleanup TERM
-trap cleanup QUIT
-trap cleanup EXIT
-
-echo $$ > /run/service.pid
-
-# sleep may exit on known signal, so
-# we cannot use 'set -e'
-while true; do
-	sleep 1
-done

test/common/slay.sh

@@ -1,47 +0,0 @@
-#!/bin/sh
-
-nm=$1
-
-# shellcheck disable=SC2046
-getpid()
-{
-	initctl status "$1" |awk '/PID :/{ print $3; }'
-}
-
-pid=$(getpid "$nm")
-if [ -f oldpid ]; then
-	oldpid=$(cat oldpid)
-	if [ "$oldpid" = "$pid" ]; then
-		echo "Looks bad, wait for it ..."
-		sleep 3
-		pid=$(getpid "$nm")
-		if [ "$oldpid" = "$pid" ]; then
-			echo "Finit did not deregister old PID $oldpid vs $pid"
-			initctl status "$nm"
-			ps
-			echo "Reloading finit ..."
-			initctl reload
-			sleep 1
-			initctl status "$nm"
-			exit 1
-		fi
-	fi
-fi
-
-if [ "$pid" -le 1 ]; then
-	sleep 3
-	pid=$(getpid "$nm")
-	if [ "$pid" -le 1 ]; then
-		echo "Got a bad PID: $pid, aborting ..."
-		ps
-		sleep 1
-		initctl status "$nm"
-		ps
-		exit 1
-	fi
-fi
-
-echo "$pid" > oldpid
-
-#echo "PID $pid, kill -9 ..."
-kill -9 "$pid"