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#!/usr/bin/env bash
# Ensure that persistent databases are correctly recovered by database
# sequence number
#
# 1. Create and wipe a persistent test database
# 2. Directly add a single record to the database on each node
# 3. Trigger a recover
# 4. Ensure that the database contains only a single record
#
# Repeat but with sequence numbers set by hand on each node
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init
try_command_on_node 0 "$CTDB listnodes | wc -l"
num_nodes="$out"
add_record_per_node ()
{
_i=0
while [ $_i -lt $num_nodes ] ; do
_k="KEY${_i}"
_d="DATA${_i}"
echo "Store key(${_k}) data(${_d}) on node ${_i}"
db_ctdb_tstore $_i "$test_db" "$_k" "$_d"
_i=$(($_i + 1))
done
}
test_db="persistent_test.tdb"
echo "Create persistent test database \"$test_db\""
try_command_on_node 0 $CTDB attach "$test_db" persistent
# 3,
# If no __db_sequence_number__ recover whole database
#
echo
echo "Test that no __db_sequence_number__ does not blend the database during recovery"
# wipe database
echo "Wipe the test database"
try_command_on_node 0 $CTDB wipedb "$test_db"
add_record_per_node
# force a recovery
echo force a recovery
try_command_on_node 0 $CTDB recover
# Check that we now have 1 record on node 0
num_records=$(db_ctdb_cattdb_count_records 0 "$test_db")
if [ $num_records = "1" ] ; then
echo "OK: databases were not blended"
else
echo "BAD: we did not end up with the expected single record after the recovery"
exit 1
fi
# 4,
# If __db_sequence_number__ recover whole database
#
echo
echo test that __db_sequence_number__ does not blend the database during recovery
# wipe database
echo wipe the test database
try_command_on_node 0 $CTDB wipedb persistent_test.tdb
add_record_per_node
echo "Add __db_sequence_number__==5 record to all nodes"
pnn=0
while [ $pnn -lt $num_nodes ] ; do
db_ctdb_tstore_dbseqnum $pnn "$test_db" 5
pnn=$(($pnn + 1))
done
echo "Set __db_sequence_number__ to 7 on node 0"
db_ctdb_tstore_dbseqnum 0 "$test_db" 7
echo "Set __db_sequence_number__ to 8 on node 1"
db_ctdb_tstore_dbseqnum 1 "$test_db" 8
# force a recovery
echo force a recovery
try_command_on_node 0 $CTDB recover
# check that we now have both records on node 0
num_records=$(db_ctdb_cattdb_count_records 0 "$test_db")
if [ $num_records = "1" ] ; then
echo "OK: databases were not blended"
else
echo "BAD: we did not end up with the expected single record after the recovery"
exit 1
fi
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