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|
#!/bin/sh -ex
#
# rbd_mirror_ha.sh - test rbd-mirror daemons in HA mode
#
RBD_MIRROR_INSTANCES=${RBD_MIRROR_INSTANCES:-7}
. $(dirname $0)/rbd_mirror_helpers.sh
setup
is_leader()
{
local instance=$1
local pool=$2
test -n "${pool}" || pool=${POOL}
admin_daemon "${CLUSTER1}:${instance}" \
rbd mirror status ${pool} ${CLUSTER2}${PEER_CLUSTER_SUFFIX} |
grep '"leader": true'
}
wait_for_leader()
{
local s instance
for s in 1 1 2 4 4 4 4 4 8 8 8 8 16 16 32 64; do
sleep $s
for instance in `seq 0 ${LAST_MIRROR_INSTANCE}`; do
is_leader ${instance} || continue
LEADER=${instance}
return 0
done
done
LEADER=
return 1
}
release_leader()
{
local pool=$1
local cmd="rbd mirror leader release"
test -n "${pool}" && cmd="${cmd} ${pool} ${CLUSTER2}"
admin_daemon "${CLUSTER1}:${LEADER}" ${cmd}
}
wait_for_leader_released()
{
local i
test -n "${LEADER}"
for i in `seq 10`; do
is_leader ${LEADER} || return 0
sleep 1
done
return 1
}
test_replay()
{
local image
for image; do
wait_for_image_replay_started ${CLUSTER1}:${LEADER} ${POOL} ${image}
write_image ${CLUSTER2} ${POOL} ${image} 100
wait_for_replay_complete ${CLUSTER1}:${LEADER} ${CLUSTER2} ${POOL} \
${image}
wait_for_status_in_pool_dir ${CLUSTER1} ${POOL} ${image} 'up+replaying' \
'primary_position' \
"${MIRROR_USER_ID_PREFIX}${LEADER} on $(hostname -s)"
if [ -z "${RBD_MIRROR_USE_RBD_MIRROR}" ]; then
wait_for_status_in_pool_dir ${CLUSTER2} ${POOL} ${image} \
'down+unknown'
fi
compare_images ${POOL} ${image}
done
}
testlog "TEST: start first daemon instance and test replay"
start_mirror ${CLUSTER1}:0
image1=test1
create_image ${CLUSTER2} ${POOL} ${image1}
LEADER=0
test_replay ${image1}
testlog "TEST: release leader and wait it is reacquired"
is_leader 0 ${POOL}
is_leader 0 ${PARENT_POOL}
release_leader ${POOL}
wait_for_leader_released
is_leader 0 ${PARENT_POOL}
wait_for_leader
release_leader
wait_for_leader_released
expect_failure "" is_leader 0 ${PARENT_POOL}
wait_for_leader
testlog "TEST: start second daemon instance and test replay"
start_mirror ${CLUSTER1}:1
image2=test2
create_image ${CLUSTER2} ${POOL} ${image2}
test_replay ${image1} ${image2}
testlog "TEST: release leader and test it is acquired by secondary"
is_leader 0 ${POOL}
is_leader 0 ${PARENT_POOL}
release_leader ${POOL}
wait_for_leader_released
wait_for_leader
test_replay ${image1} ${image2}
release_leader
wait_for_leader_released
wait_for_leader
test "${LEADER}" = 0
testlog "TEST: stop first daemon instance and test replay"
stop_mirror ${CLUSTER1}:0
image3=test3
create_image ${CLUSTER2} ${POOL} ${image3}
LEADER=1
test_replay ${image1} ${image2} ${image3}
testlog "TEST: start first daemon instance and test replay"
start_mirror ${CLUSTER1}:0
image4=test4
create_image ${CLUSTER2} ${POOL} ${image4}
test_replay ${image3} ${image4}
testlog "TEST: crash leader and test replay"
stop_mirror ${CLUSTER1}:1 -KILL
image5=test5
create_image ${CLUSTER2} ${POOL} ${image5}
LEADER=0
test_replay ${image1} ${image4} ${image5}
testlog "TEST: start crashed leader and test replay"
start_mirror ${CLUSTER1}:1
image6=test6
create_image ${CLUSTER2} ${POOL} ${image6}
test_replay ${image1} ${image6}
testlog "TEST: start yet another daemon instance and test replay"
start_mirror ${CLUSTER1}:2
image7=test7
create_image ${CLUSTER2} ${POOL} ${image7}
test_replay ${image1} ${image7}
testlog "TEST: release leader and test it is acquired by secondary"
is_leader 0
release_leader
wait_for_leader_released
wait_for_leader
test_replay ${image1} ${image2}
testlog "TEST: stop leader and test replay"
stop_mirror ${CLUSTER1}:${LEADER}
image8=test8
create_image ${CLUSTER2} ${POOL} ${image8}
prev_leader=${LEADER}
wait_for_leader
test_replay ${image1} ${image8}
testlog "TEST: start previous leader and test replay"
start_mirror ${CLUSTER1}:${prev_leader}
image9=test9
create_image ${CLUSTER2} ${POOL} ${image9}
test_replay ${image1} ${image9}
testlog "TEST: crash leader and test replay"
stop_mirror ${CLUSTER1}:${LEADER} -KILL
image10=test10
create_image ${CLUSTER2} ${POOL} ${image10}
prev_leader=${LEADER}
wait_for_leader
test_replay ${image1} ${image10}
testlog "TEST: start previous leader and test replay"
start_mirror ${CLUSTER1}:${prev_leader}
image11=test11
create_image ${CLUSTER2} ${POOL} ${image11}
test_replay ${image1} ${image11}
testlog "TEST: start some more daemon instances and test replay"
start_mirror ${CLUSTER1}:3
start_mirror ${CLUSTER1}:4
start_mirror ${CLUSTER1}:5
start_mirror ${CLUSTER1}:6
image13=test13
create_image ${CLUSTER2} ${POOL} ${image13}
test_replay ${leader} ${image1} ${image13}
testlog "TEST: release leader and test it is acquired by secondary"
release_leader
wait_for_leader_released
wait_for_leader
test_replay ${image1} ${image2}
testlog "TEST: in loop: stop leader and test replay"
for i in 0 1 2 3 4 5; do
stop_mirror ${CLUSTER1}:${LEADER}
wait_for_leader
test_replay ${image1}
done
stop_mirror ${CLUSTER1}:${LEADER}
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