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ctdb-tests: Improve counting of database records

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Record counts are sometimes incomplete for large databases when
relevant tests are run on a real cluster.

This probably has something to do with ssh, pipes and buffering, so
move the filtering and counting to the remote end.  This means that
only the count comes across the pipe, instead of all the record data.

Instead of explicitly excluding the key for persistent database
sequence numbers, just exclude any key starting with '_'.  Such keys
are not used in tests.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Oct  8 05:36:11 CEST 2018 on sn-devel-144
This commit is contained in:
Martin Schwenke 2018-10-05 10:34:29 +10:00 committed by Amitay Isaacs
parent 52dcecbc92
commit 80f3f7c188
1 changed files with 7 additions and 3 deletions
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10
ctdb/tests/scripts/integration.bash
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@ -701,9 +701,13 @@ db_get_path ()
# $1: pnn, $2: DB name
db_ctdb_cattdb_count_records ()
{
try_command_on_node -v $1 $CTDB cattdb "$2" |
grep '^key' | grep -v '__db_sequence_number__' |
wc -l
# Count the number of keys, excluding any that begin with '_'.
# This excludes at least the sequence number record in
# persistent/replicated databases. The trailing "|| :" forces
# the command to succeed when no records are matched.
try_command_on_node $1 \
"$CTDB cattdb $2 | grep -c '^key([0-9][0-9]*) = \"[^_]' || :"
echo "$out"
}
# $1: pnn, $2: DB name, $3: key string, $4: value string, $5: RSN (default 7)