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#!/usr/bin/env bash
# Ensure that vacuuming deletes records on all nodes
. "${TEST_SCRIPTS_DIR}/integration.bash"
set -e
ctdb_test_init
vacuum_test ()
{
local db="$1"
local num_records="$2"
local delete_from_lmaster="${3:-false}"
local t
if "$delete_from_lmaster" ; then
t="lmaster"
else
t="non-lmaster"
fi
echo
echo '............................................................'
printf 'Creating %d record(s)\n' "$num_records"
printf 'Testing vacuuming of 1 record deleted from %s\n' "$t"
echo '............................................................'
echo
echo "Stall vacuuming on all nodes"
ctdb_onnode -p all "setvar VacuumInterval 99999"
echo
echo "Getting list of nodes..."
local all_pnns
ctdb_get_all_pnns
local first
first=$(echo "$all_pnns" | sed -n -e '1p')
echo
echo "Create/wipe test database ${db}"
ctdb_onnode "$first" "attach ${db}"
ctdb_onnode "$first" "wipedb ${db}"
echo
echo "Write ${num_records} records to ${db}"
local i
for i in $(seq 1 "$num_records") ; do
ctdb_onnode "$first" "writekey ${db} test${i} value${i}"
done
echo
echo "Migrate record(s) to all nodes"
for i in $(seq 1 "$num_records") ; do
ctdb_onnode all "readkey ${db} test${i}"
done
echo
echo "Confirm that all nodes have all the records"
check_cattdb_num_records "$db" "$num_records" "$all_pnns"
local key="test1"
echo
echo "Delete key ${key}"
echo " Find lmaster for key \"${key}\""
testprog_onnode "$first" "ctdb-db-test get-lmaster ${key}"
# out is set above
# shellcheck disable=SC2154
lmaster="$out"
echo " lmaster=${lmaster}"
if "$delete_from_lmaster" ; then
echo " Delete key ${key} on lmaster node ${lmaster}"
dnode="$lmaster"
else
for i in $all_pnns ; do
if [ "$i" != "$lmaster" ] ; then
dnode="$i"
break
fi
done
echo " Delete key ${key} on non-lmaster node ${dnode}"
fi
ctdb_onnode "$dnode" "deletekey ${db} ${key}"
echo
vacuum_confirm_key_empty_dmaster "$dnode" "$db" "$key"
echo
echo "Confirm all records still exist on all nodes"
check_cattdb_num_records "$db" "$num_records" "$all_pnns"
if ! "$delete_from_lmaster" ; then
# Ask the lmaster to fetch the deleted record
echo
echo "Vacuum on non-lmaster node ${dnode}"
testprog_onnode "$dnode" "ctdb-db-test vacuum ${db}"
echo
vacuum_confirm_key_empty_dmaster "$dnode" "$db" "$key"
# Fetch the record and put it in the delete queue in
# the main daemon for processing in next vacuuming run
# on the lmaster
echo
echo "Vacuum on lmaster node ${lmaster}"
testprog_onnode "$lmaster" "ctdb-db-test vacuum ${db}"
echo
echo "Confirm all records still exist on all node nodes"
check_cattdb_num_records "$db" "$num_records" "$all_pnns"
echo
vacuum_confirm_key_empty_dmaster "$lmaster" "$db" "$key"
fi
echo
# In the delete-from-lmaster case, the record is already in
# the lmaster's delete-queue so only a single run is needed
echo "Vacuum on lmaster node ${lmaster}"
testprog_onnode "$lmaster" "ctdb-db-test vacuum ${db}"
echo
echo "Confirm a record has been deleted on all nodes"
local n=$((num_records - 1))
check_cattdb_num_records "$db" "$n" "$all_pnns"
echo
echo "Confirm all other records still exist with expected values"
local i
for i in $(seq 1 "$num_records") ; do
local k="test${i}"
local v="value${i}"
if [ "$k" = "$key" ] ; then
continue
fi
db_confirm_key_has_value "$first" "$db" "$k" "$v"
done
echo "GOOD"
}
testdb="vacuum_test.tdb"
# 1 record, delete from non-lmaster
vacuum_test "$testdb" 1 false
# 10 records, delete from non-lmaster
vacuum_test "$testdb" 10 false
# 1 record, delete from lmaster
vacuum_test "$testdb" 1 true
# 10 records, delete from lmaster
vacuum_test "$testdb" 10 true
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