[CRIU] [PATCH RFC v3 3/4] test: Add testcases for image-proxy/image-cache

[Katerina Koukiou]

Signed-off-by: Rodrigo Bruno <rbruno at gsd.inesc-id.pt>
Signed-off-by: Katerina Koukiou <k.koukiou at gmail.com>
---
 test/proxy-cache/Makefile |  29 +++++++++++++
 test/proxy-cache/loop.sh  |   8 ++++
 test/proxy-cache/run.sh   | 106 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 143 insertions(+)
 create mode 100644 test/proxy-cache/Makefile
 create mode 100755 test/proxy-cache/loop.sh
 create mode 100755 test/proxy-cache/run.sh

diff --git a/test/proxy-cache/Makefile b/test/proxy-cache/Makefile
new file mode 100644
index 0000000..674c493
--- /dev/null
+++ b/test/proxy-cache/Makefile
@@ -0,0 +1,29 @@
+DIR	:= $(shell pwd)/data
+CRIU	:= $(DIR)/criu
+
+LOOP	:= $(DIR)/loop.sh
+PIDFILE := $(DIR)/loop.pid
+
+DUMPDIR	:= $(DIR)/dump
+PREDIR	:= $(DIR)/predump
+LOG	:= $(DIR)/log
+
+PROXY_CACHE_TCP_PORT	:= 9997
+LOCAL_CACHE_PATH	:= $(DIR)/image-cache.sock
+LOCAL_PROXY_PATH	:= $(DIR)/image-proxy.sock
+
+export DIR LOOP PIDFILE DUMPDIR PREDIR CRIU LOG PROXY_CACHE_TCP_PORT LOCAL_CACHE_PATH LOCAL_PROXY_PATH
+
+run: testdir
+	./run.sh
+
+testdir: ../../criu
+	mkdir -p $(DIR)
+	mkdir -p $(DUMPDIR)
+	mkdir -p $(PREDIR)
+	mkdir -p $(LOG)
+	cp ../../criu/criu $(CRIU)
+	cp loop.sh $(LOOP)
+
+clean:
+	rm -rf $(DIR)
diff --git a/test/proxy-cache/loop.sh b/test/proxy-cache/loop.sh
new file mode 100755
index 0000000..a5fcb08
--- /dev/null
+++ b/test/proxy-cache/loop.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+echo $$ > $1.int
+mv $1.int $1
+
+while :; do
+	sleep 1
+done
diff --git a/test/proxy-cache/run.sh b/test/proxy-cache/run.sh
new file mode 100755
index 0000000..4b3a66e
--- /dev/null
+++ b/test/proxy-cache/run.sh
@@ -0,0 +1,106 @@
+#!/bin/bash
+
+set -x
+
+PID=
+CACHE_PID=
+PROXY_PID=
+
+function run {
+	echo "== Run ${LOOP}"
+	echo ${PIDFILE}
+	rm -f ${PIDFILE}
+	setsid ${LOOP} ${PIDFILE} < /dev/null &> /dev/null &
+	for i in `seq 100`; do
+		test -f ${PIDFILE} && break
+		sleep 1
+	done
+	PID=`cat ${PIDFILE}`
+	echo ${PID}
+}
+
+function prepare {
+        ${CRIU} image-cache -vvvv -o ${LOG}/image-cache.log \
+						--local-cache-path ${LOCAL_CACHE_PATH} \
+						--port ${PROXY_CACHE_TCP_PORT} < /dev/null &> /dev/null &
+        CACHE_PID=$!
+        sleep 1
+
+        ${CRIU} image-proxy -vvvv -o ${LOG}/image-proxy.log \
+						--local-proxy-path ${LOCAL_PROXY_PATH} \
+						--address localhost \
+						--port ${PROXY_CACHE_TCP_PORT} < /dev/null &> /dev/null &
+        PROXY_PID=$!
+        sleep 1
+}
+
+function predump {
+	test -d ${PREDIR} && rm -rf ${PREDIR}
+	mkdir -p ${PREDIR}
+	echo "== Predump ${PID}"
+	${CRIU} pre-dump -vvvv --tree ${PID} --images-dir ${PREDIR} \
+					 -o ${LOG}/predump.log \
+					 --remote --local-proxy-path ${LOCAL_PROXY_PATH}
+	return $?
+}
+
+function dump {
+	test -d ${DUMPDIR} && rm -rf ${DUMPDIR}
+	mkdir -p ${DUMPDIR}
+	echo "== Dump ${PID}"
+	${CRIU} dump -vvvv --tree ${PID} --images-dir ${DUMPDIR} \
+			-o ${LOG}/dump.log --prev-images-dir ${PREDIR} --track-mem \
+			--remote --local-proxy-path ${LOCAL_PROXY_PATH}
+	return $?
+}
+
+function restore {
+	echo "== Restore ${DUMPDIR}"
+	${CRIU} restore -vvvv --images-dir ${DUMPDIR} --restore-detached \
+			-o ${LOG}/restore.log \
+			--remote --local-cache-path ${LOCAL_CACHE_PATH}
+	return $?
+}
+
+function result {
+	local BGRED='\033[41m'
+	local BGGREEN='\033[42m'
+	local NORMAL=$(tput sgr0)
+
+	if [ $1 -ne 0 ]; then
+		echo -e "${BGRED}FAIL${NORMAL}"
+		exit 1
+	else
+		echo -e "${BGGREEN}PASS${NORMAL}"
+	fi
+}
+
+function test_dump_restore {
+	echo "==== Check if dump-restore works with proxy-cache"
+
+	run
+	prepare
+	dump; result $(($?))
+	restore ; result $(($?))
+
+	kill -SIGKILL ${PID}
+    kill -SIGKILL ${CACHE_PID}
+    kill -SIGKILL ${PROXY_PID}
+}
+
+function test_predump_dump_restore {
+	echo "==== Check if predump-dump-restore works with proxy-cache"
+
+	run
+	prepare
+	predump; result $(($?))
+	dump; result $(($?))
+	restore ; result $(($?))
+
+	kill -SIGKILL ${PID}
+	kill -SIGKILL ${CACHE_PID}
+	kill -SIGKILL ${PROXY_PID}
+}
+
+test_dump_restore
+test_predump_dump_restore
-- 
2.7.3