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#!/bin/bash
test_info()
{
cat <<EOF
Confirm that traverses of volatile databases work as expected
This is a very simple example. It writes a single record, updates it
on another node and then confirms that the correct value is found when
traversing. It then repeats this after removing the LMASTER role from
the node where the value is updated.
Expected results:
* The expected records should be found
EOF
}
. "${TEST_SCRIPTS_DIR}/integration.bash"
ctdb_test_init
set -e
cluster_is_healthy
#
# Main test
#
TESTDB="traverse_db.tdb"
echo "create volatile test database $TESTDB"
try_command_on_node 0 $CTDB attach "$TESTDB"
echo "wipe test database $TESTDB"
try_command_on_node 0 $CTDB wipedb "$TESTDB"
echo "write foo=bar0 on node 0"
try_command_on_node 0 $CTDB writekey "$TESTDB" "foo" "bar0"
echo "write foo=bar1 on node 1"
try_command_on_node 1 $CTDB writekey "$TESTDB" "foo" "bar1"
echo
check_db_num_records ()
{
local node="$1"
local db="$2"
local n="$3"
echo "Checking on node ${node} to ensure ${db} has ${n} records..."
try_command_on_node "$node" "${CTDB} catdb ${db}"
num=$(sed -n -e 's|^Dumped \(.*\) records$|\1|p' "$outfile")
if [ "$num" = "$n" ] ; then
echo "OK: Number of records=${num}"
echo
else
echo "BAD: There were ${num} (!= ${n}) records"
cat "$outfile"
exit 1
fi
}
check_db_num_records 0 "$TESTDB" 1
check_db_num_records 1 "$TESTDB" 1
cat <<EOF
Again, this time with 10 records, rewriting 5 of them on the 2nd node
EOF
echo "wipe test database $TESTDB"
try_command_on_node 0 $CTDB wipedb "$TESTDB"
for i in $(seq 0 9) ; do
k="foo${i}"
v="bar${i}@0"
echo "write ${k}=${v} on node 0"
try_command_on_node 0 "${CTDB} writekey ${TESTDB} ${k} ${v}"
done
for i in $(seq 1 5) ; do
k="foo${i}"
v="bar${i}@1"
echo "write ${k}=${v} on node 1"
try_command_on_node 1 "${CTDB} writekey ${TESTDB} ${k} ${v}"
done
check_db_num_records 0 "$TESTDB" 10
check_db_num_records 1 "$TESTDB" 10
cat <<EOF
Again, this time with lmaster role off on node 1
EOF
echo "wipe test database $TESTDB"
try_command_on_node 0 $CTDB wipedb "$TESTDB"
echo "switching off lmaster role on node 1"
try_command_on_node 1 $CTDB setlmasterrole off
try_command_on_node -v 1 $CTDB getcapabilities
wait_until_node_has_status 1 notlmaster 10 0
echo "write foo=bar0 on node 0"
try_command_on_node 0 $CTDB writekey "$TESTDB" "foo" "bar0"
echo "write foo=bar1 on node 1"
try_command_on_node 1 $CTDB writekey "$TESTDB" "foo" "bar1"
echo
check_db_num_records 0 "$TESTDB" 1
check_db_num_records 1 "$TESTDB" 1
if grep -q "^data(4) = \"bar1\"\$" "$outfile" ; then
echo "OK: Data from node 1 was returned"
else
echo "BAD: Data from node 1 was not returned"
exit 1
fi
|
