Add a test for the "reappear after move" case

tests/test_move_reappear.sh

@@ -0,0 +1,79 @@
+#!/bin/bash -ex
+
+. `dirname $0`/common.sh
+
+dd if=/dev/zero of=./testdata/test_osd1.bin bs=1024 count=1 seek=$((1024*1024-1))
+dd if=/dev/zero of=./testdata/test_osd2.bin bs=1024 count=1 seek=$((1024*1024-1))
+dd if=/dev/zero of=./testdata/test_osd3.bin bs=1024 count=1 seek=$((1024*1024-1))
+dd if=/dev/zero of=./testdata/test_osd4.bin bs=1024 count=1 seek=$((1024*1024-1))
+dd if=/dev/zero of=./testdata/test_osd5.bin bs=1024 count=1 seek=$((1024*1024-1))
+
+build/src/vitastor-osd --osd_num 1 --bind_address 127.0.0.1 --etcd_address $ETCD_URL $(node mon/simple-offsets.js --format options --device ./testdata/test_osd1.bin 2>/dev/null) &>./testdata/osd1.log &
+OSD1_PID=$!
+build/src/vitastor-osd --osd_num 2 --bind_address 127.0.0.1 --etcd_address $ETCD_URL $(node mon/simple-offsets.js --format options --device ./testdata/test_osd2.bin 2>/dev/null) &>./testdata/osd2.log &
+OSD2_PID=$!
+build/src/vitastor-osd --osd_num 3 --bind_address 127.0.0.1 --etcd_address $ETCD_URL $(node mon/simple-offsets.js --format options --device ./testdata/test_osd3.bin 2>/dev/null) &>./testdata/osd3.log &
+OSD3_PID=$!
+build/src/vitastor-osd --osd_num 4 --bind_address 127.0.0.1 --etcd_address $ETCD_URL $(node mon/simple-offsets.js --format options --device ./testdata/test_osd4.bin 2>/dev/null) &>./testdata/osd4.log &
+OSD4_PID=$!
+build/src/vitastor-osd --osd_num 5 --bind_address 127.0.0.1 --etcd_address $ETCD_URL $(node mon/simple-offsets.js --format options --device ./testdata/test_osd5.bin 2>/dev/null) &>./testdata/osd5.log &
+OSD5_PID=$!
+
+$ETCDCTL put /vitastor/config/pools '{"1":{"name":"testpool","scheme":"replicated","pg_size":2,"pg_minsize":1,"pg_count":1,"failure_domain":"osd"}}'
+
+$ETCDCTL put /vitastor/config/pgs '{"items":{"1":{"1":{"osd_set":[1,0],"primary":1}}}}'
+
+sleep 2
+
+if ! ($ETCDCTL get /vitastor/pg/state/1/1 --print-value-only | jq -s -e '(. | length) != 0 and .[0].state == ["active","degraded"]'); then
+    format_error "Failed to start the PG active+degraded"
+fi
+
+LD_PRELOAD=libasan.so.5 \
+fio -thread -name=test -ioengine=build/src/libfio_vitastor.so -bs=4M -direct=1 -iodepth=1 -fsync=1 -rw=write \
+    -etcd=$ETCD_URL -pool=1 -inode=2 -size=32M -cluster_log_level=10
+
+$ETCDCTL put /vitastor/config/pgs '{"items":{"1":{"1":{"osd_set":[1,0],"primary":0}}}}'
+
+sleep 2
+
+if [ "`$ETCDCTL get /vitastor/pg/state/1/1 --print-value-only`" != "" ]; then
+    format_error "Failed to stop the PG"
+fi
+
+$ETCDCTL put /vitastor/pg/history/1/1 '{"all_peers":[1,2,3]}'
+
+$ETCDCTL put /vitastor/config/pgs '{"items":{"1":{"1":{"osd_set":[4,5],"primary":4}}}}'
+
+sleep 5
+
+if ! ($ETCDCTL get /vitastor/pg/state/1/1 --print-value-only | jq -s -e '(. | length) != 0 and .[0].state == ["active"]'); then
+    format_error "Failed to move degraded objects to the clean OSD set"
+fi
+
+$ETCDCTL put /vitastor/config/pgs '{"items":{"1":{"1":{"osd_set":[4,5],"primary":0}}}}'
+
+$ETCDCTL put /vitastor/pg/history/1/1 '{"all_peers":[1,2,3]}'
+
+sleep 2
+
+if [ "`$ETCDCTL get /vitastor/pg/state/1/1 --print-value-only`" != "" ]; then
+    format_error "Failed to stop the PG after degraded recovery"
+fi
+
+cp testdata/osd4.log testdata/osd4_pre.log
+>testdata/osd4.log
+
+$ETCDCTL put /vitastor/config/pgs '{"items":{"1":{"1":{"osd_set":[4,5],"primary":4}}}}'
+
+sleep 2
+
+if grep -q 'PG 1/1.*is.*has_' testdata/osd4.log; then
+    format_error "PG has degraded or misplaced objects after a full re-peer following a degraded recovery"
+fi
+
+if ! ($ETCDCTL get /vitastor/pg/state/1/1 --print-value-only | jq -s -e '(. | length) != 0 and .[0].state == ["active"]'); then
+    format_error "PG not active+clean after a full re-peer following a degraded recovery"
+fi
+
+format_green OK