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|
#!/bin/bash -ex
TMPDIR=/tmp/rbd_test_admin_socket$$
mkdir $TMPDIR
trap "rm -fr $TMPDIR" 0
. $(dirname $0)/../../standalone/ceph-helpers.sh
function expect_false()
{
set -x
if "$@"; then return 1; else return 0; fi
}
function rbd_watch_out_file()
{
echo ${TMPDIR}/rbd_watch_$1.out
}
function rbd_watch_pid_file()
{
echo ${TMPDIR}/rbd_watch_$1.pid
}
function rbd_watch_fifo()
{
echo ${TMPDIR}/rbd_watch_$1.fifo
}
function rbd_watch_asok()
{
echo ${TMPDIR}/rbd_watch_$1.asok
}
function rbd_get_perfcounter()
{
local image=$1
local counter=$2
local name
name=$(ceph --format xml --admin-daemon $(rbd_watch_asok ${image}) \
perf schema | $XMLSTARLET el -d3 |
grep "/librbd-.*-${image}/${counter}\$")
test -n "${name}" || return 1
ceph --format xml --admin-daemon $(rbd_watch_asok ${image}) perf dump |
$XMLSTARLET sel -t -m "${name}" -v .
}
function rbd_check_perfcounter()
{
local image=$1
local counter=$2
local expected_val=$3
local val=
val=$(rbd_get_perfcounter ${image} ${counter})
test "${val}" -eq "${expected_val}"
}
function rbd_watch_start()
{
local image=$1
local asok=$(rbd_watch_asok ${image})
mkfifo $(rbd_watch_fifo ${image})
(cat $(rbd_watch_fifo ${image}) |
rbd --admin-socket ${asok} watch ${image} \
> $(rbd_watch_out_file ${image}) 2>&1)&
# find pid of the started rbd watch process
local pid
for i in `seq 10`; do
pid=$(ps auxww | awk "/[r]bd --admin.* watch ${image}/ {print \$2}")
test -n "${pid}" && break
sleep 0.1
done
test -n "${pid}"
echo ${pid} > $(rbd_watch_pid_file ${image})
# find watcher admin socket
test -n "${asok}"
for i in `seq 10`; do
test -S "${asok}" && break
sleep 0.1
done
test -S "${asok}"
# configure debug level
ceph --admin-daemon "${asok}" config set debug_rbd 20
# check that watcher is registered
rbd status ${image} | expect_false grep "Watchers: none"
}
function rbd_watch_end()
{
local image=$1
local regexp=$2
# send 'enter' to watch to exit
echo > $(rbd_watch_fifo ${image})
# just in case it is not terminated
kill $(cat $(rbd_watch_pid_file ${image})) || :
# output rbd watch out file for easier troubleshooting
cat $(rbd_watch_out_file ${image})
# cleanup
rm -f $(rbd_watch_fifo ${image}) $(rbd_watch_pid_file ${image}) \
$(rbd_watch_out_file ${image}) $(rbd_watch_asok ${image})
}
wait_for_clean
pool="rbd"
image=testimg$$
ceph_admin="ceph --admin-daemon $(rbd_watch_asok ${image})"
rbd create --size 128 ${pool}/${image}
# check rbd cache commands are present in help output
rbd_cache_flush="rbd cache flush ${pool}/${image}"
rbd_cache_invalidate="rbd cache invalidate ${pool}/${image}"
rbd_watch_start ${image}
${ceph_admin} help | fgrep "${rbd_cache_flush}"
${ceph_admin} help | fgrep "${rbd_cache_invalidate}"
rbd_watch_end ${image}
# test rbd cache commands with disabled and enabled cache
for conf_rbd_cache in false true; do
rbd image-meta set ${image} conf_rbd_cache ${conf_rbd_cache}
rbd_watch_start ${image}
rbd_check_perfcounter ${image} flush 0
${ceph_admin} ${rbd_cache_flush}
# 'flush' counter should increase regardless if cache is enabled
rbd_check_perfcounter ${image} flush 1
rbd_check_perfcounter ${image} invalidate_cache 0
${ceph_admin} ${rbd_cache_invalidate}
# 'invalidate_cache' counter should increase regardless if cache is enabled
rbd_check_perfcounter ${image} invalidate_cache 1
rbd_watch_end ${image}
done
rbd rm ${image}
|
