diff options
Diffstat (limited to 'qa/workunits/fs/full/subvolume_snapshot_rm.sh')
-rwxr-xr-x | qa/workunits/fs/full/subvolume_snapshot_rm.sh | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/qa/workunits/fs/full/subvolume_snapshot_rm.sh b/qa/workunits/fs/full/subvolume_snapshot_rm.sh new file mode 100755 index 000000000..f6d0add9f --- /dev/null +++ b/qa/workunits/fs/full/subvolume_snapshot_rm.sh @@ -0,0 +1,86 @@ +#!/usr/bin/env bash +set -ex + +# This testcase tests the 'ceph fs subvolume snapshot rm' when the osd is full. +# The snapshot rm fails with 'MetadataMgrException: -28 (error in write)' and +# truncates the config file of corresponding subvolume. Hence the subsequent +# snapshot rm of the same snapshot fails with 'MetadataMgrException: -2 (section 'GLOBAL' does not exist)' +# traceback. + +# The osd is of the size 1GB. The subvolume is created and 800MB file is written. +# Then full-ratios are set below 500MB such that the osd is treated as full. +# The subvolume snapshot is taken which succeeds as no extra space is required +# for snapshot. Now, the removal of the snapshot fails with ENOSPACE as it +# fails to remove the snapshot metadata set. The snapshot removal fails +# but should not traceback and truncate the config file. + +set -e +expect_failure() { + if "$@"; then return 1; else return 0; fi +} + +ignore_failure() { + if "$@"; then return 0; else return 0; fi +} + +ceph fs subvolume create cephfs sub_0 +subvol_path=$(ceph fs subvolume getpath cephfs sub_0 2>/dev/null) + +#For debugging +echo "Before write" +df $CEPH_MNT +ceph osd df + +# Write 800MB file and set full ratio to around 200MB +ignore_failure sudo dd if=/dev/urandom of=$CEPH_MNT$subvol_path/800MB_file-1 status=progress bs=1M count=800 conv=fdatasync + +ceph osd set-full-ratio 0.2 +ceph osd set-nearfull-ratio 0.16 +ceph osd set-backfillfull-ratio 0.18 + +timeout=30 +while [ $timeout -gt 0 ] +do + health=$(ceph health detail) + [[ $health = *"OSD_FULL"* ]] && echo "OSD is full" && break + echo "Wating for osd to be full: $timeout" + sleep 1 + let "timeout-=1" +done + +#Take snapshot +ceph fs subvolume snapshot create cephfs sub_0 snap_0 + +#Remove snapshot fails but should not throw traceback +expect_failure ceph fs subvolume snapshot rm cephfs sub_0 snap_0 2>/tmp/error_${PID}_file +cat /tmp/error_${PID}_file + +# No traceback should be found +expect_failure grep "Traceback" /tmp/error_${PID}_file + +# Validate config file is not truncated and GLOBAL section exists +sudo grep "GLOBAL" $CEPH_MNT/volumes/_nogroup/sub_0/.meta + +#For debugging +echo "After write" +df $CEPH_MNT +ceph osd df + +# Snapshot removal with force option should succeed +ceph fs subvolume snapshot rm cephfs sub_0 snap_0 --force + +#Cleanup from backend +ignore_failure sudo rm -f /tmp/error_${PID}_file +ignore_failure sudo rm -rf $CEPH_MNT/volumes/_nogroup/sub_0 + +#Set the ratios back for other full tests to run +ceph osd set-full-ratio 0.95 +ceph osd set-nearfull-ratio 0.95 +ceph osd set-backfillfull-ratio 0.95 + +#After test +echo "After test" +df -h $CEPH_MNT +ceph osd df + +echo OK |