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#!/usr/bin/env bash
set -ex
# This testcase tests the scenario of the 'ceph fs subvolume rm' mgr command
# when the osd is full. The command used to hang. The osd is of the size 1GB.
# The subvolume is created and 500MB file is written. The full-ratios are
# set below 500MB such that the osd is treated as full. Now the subvolume is
# is removed. This should be successful with the introduction of FULL
# capabilities which the mgr holds.
set -e
expect_failure() {
if "$@"; then return 1; else return 0; fi
}
ceph fs subvolume create cephfs sub_0
subvol_path=$(ceph fs subvolume getpath cephfs sub_0 2>/dev/null)
#For debugging
echo "Before write"
df -h
ceph osd df
sudo dd if=/dev/urandom of=$CEPH_MNT$subvol_path/500MB_file-1 status=progress bs=1M count=500
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: $timeout"
sleep 1
let "timeout-=1"
done
#For debugging
echo "After ratio set"
df -h
ceph osd df
#Delete subvolume
ceph fs subvolume rm cephfs sub_0
#Validate subvolume is deleted
expect_failure ceph fs subvolume info cephfs sub_0
#Wait for subvolume to delete data
trashdir=$CEPH_MNT/volumes/_deleting
timeout=30
while [ $timeout -gt 0 ]
do
[ -z "$(sudo ls -A $trashdir)" ] && echo "Trash directory $trashdir is empty" && break
echo "Wating for trash dir to be empty: $timeout"
sleep 1
let "timeout-=1"
done
#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 osd df
echo OK
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