Add a test for checksums

tests/test_checksum.sh

@@ -0,0 +1,37 @@
+#!/bin/bash -ex
+
+OSD_ARGS="--data_csum_type crc32c --csum_block_size 32k --inmemory_journal false $OSD_ARGS"
+OFFSET_ARGS="--data_csum_type crc32c --csum_block_size 32k --inmemory_journal false $OFFSET_ARGS"
+PG_COUNT=${PG_COUNT:-64}
+. `dirname $0`/run_3osds.sh
+check_qemu
+
+IMG_SIZE=128
+
+$ETCDCTL put /vitastor/config/inode/1/1 '{"name":"testimg","size":'$((IMG_SIZE*1024*1024))'}'
+
+# Write
+LD_PRELOAD="build/src/libfio_vitastor.so" \
+    fio -thread -name=test -ioengine=build/src/libfio_vitastor.so -bs=1M -direct=1 -iodepth=4 \
+        -mirror_file=./testdata/mirror.bin -end_fsync=1 -rw=write -etcd=$ETCD_URL -image=testimg -runtime=10
+
+# Intentionally corrupt OSD data and restart it
+kill $OSD1_PID
+data_offset=$(build/src/vitastor-disk simple-offsets ./testdata/test_osd1.bin $OFFSET_ARGS | grep data_offset | awk '{print $2}')
+truncate -s $data_offset ./testdata/test_osd1.bin
+dd if=/dev/zero of=./testdata/test_osd1.bin bs=1024 count=1 seek=$((OSD_SIZE*1024-1))
+start_osd 1
+
+# FIXME: corrupt the journal WHEN OSD IS RUNNING and check reads too
+
+# Wait until start
+wait_up 10
+
+# Read everything back
+qemu-img convert -S 4096 -p \
+    -f raw "vitastor:etcd_host=127.0.0.1\:$ETCD_PORT/v3:image=testimg" \
+    -O raw ./testdata/read.bin
+
+diff ./testdata/read.bin ./testdata/mirror.bin
+
+format_green OK