tests: Add a simple test to test cluster wide database traverse

Signed-off-by: Amitay Isaacs <amitay@gmail.com>

(This used to be ctdb commit 713c9ecc791e3319a2d109838471833de5a158c8)

ctdb/tests/simple/80_ctdb_traverse.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+test_info()
+{
+    cat <<EOF
+Test CTDB cluster wide traverse code.
+
+Prerequisites:
+
+* An active CTDB cluster with at least 2 active nodes.
+
+Steps:
+
+1. Create a test database
+2. Add records on different nodes
+3. Run traverse
+
+Expected results:
+
+* All records are retrieved.
+
+EOF
+}
+
+. "${TEST_SCRIPTS_DIR}/integration.bash"
+
+ctdb_test_init "$@"
+
+set -e
+
+cluster_is_healthy
+
+# Reset configuration
+ctdb_restart_when_done
+
+try_command_on_node 0 "$CTDB listnodes"
+num_nodes=$(echo "$out" | wc -l)
+
+num_records=1000
+
+TESTDB="traverse_test.tdb"
+
+echo "create test database $TESTDB"
+try_command_on_node -q 0 $CTDB_TEST_WRAPPER ctdb attach $TESTDB
+
+echo "wipe test database $TESTDB"
+try_command_on_node -q 0 $CTDB_TEST_WRAPPER ctdb wipedb $TESTDB
+
+echo "Add $num_records records to database"
+i=0
+while [ $i -lt $num_records ]; do
+	key=$(printf "key-%04x" $i)
+	value="value-$i"
+
+	n=$[ $i % $num_nodes ]
+	try_command_on_node -q $n $CTDB_TEST_WRAPPER ctdb writekey $TESTDB $key $value
+
+	i=$[ $i + 1 ]
+done
+
+echo "Start a traverse and collect records"
+try_command_on_node -q 0 $CTDB_TEST_WRAPPER ctdb catdb $TESTDB
+
+num_read=$(echo "$out" | tail -n 1 | cut -d\  -f2)
+if [ $num_read -eq $num_records ]; then
+	echo "GOOD: All $num_records records retrieved"
+	status=0
+else
+	echo "BAD: Only $num_read/$num_records records retrieved"
+	status=1
+fi
+
+exit $status