diff options
Diffstat (limited to 'ctdb/tests/INTEGRATION/database/readonly.001.basic.sh')
| -rwxr-xr-x | ctdb/tests/INTEGRATION/database/readonly.001.basic.sh | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/ctdb/tests/INTEGRATION/database/readonly.001.basic.sh b/ctdb/tests/INTEGRATION/database/readonly.001.basic.sh new file mode 100755 index 0000000..aeb9740 --- /dev/null +++ b/ctdb/tests/INTEGRATION/database/readonly.001.basic.sh @@ -0,0 +1,178 @@ +#!/usr/bin/env bash + +# Test support for read-only records + +# Read-only records can be activated at runtime using a ctdb command. +# If read-only records are not activated, then any attempt to fetch a +# read-only copy should be automatically upgraded to a read-write +# fetch_locked(). + +# If read-only delegations are present, then any attempt to acquire a +# read-write fetch_lock will trigger revocation of all delegations +# before the fetch_locked(). + +# 1. Create a test database and some records +# 2. Try to fetch read-only records, this should not result in any delegations +# 3. Activate read-only support +# 4. Try to fetch read-only records, this should result in delegations +# 5. Do a fetchlock and the delegations should be revoked +# 6. Try to fetch read-only records, this should result in delegations + +. "${TEST_SCRIPTS_DIR}/integration.bash" + +set -e + +ctdb_test_init + +###################################################################### + +# Confirm that no nodes have databases with read-only delegations +check_no_readonly () +{ + try_command_on_node all $CTDB cattdb $testdb + local ro_flags="RO_HAVE_READONLY|RO_HAVE_DELEGATIONS" + local numreadonly=$(grep -c -E "$ro_flags" "$outfile") || true + if [ $numreadonly -eq 0 ] ; then + echo "GOOD: no read-only delegations" + else + echo "BAD: there are read-only delegations" + cat "$outfile" + exit 1 + fi +} + +# Check that the test record has the correct read-only flags on the +# given nodes. The first node is the dmaster, which should know there +# are delegations but should not be flagged as having a read-only +# copy. Subsequent nodes should have a read-only copy but not know +# about any (other) delegations. +check_readonly () +{ + local dmaster="$1" ; shift + local others="$*" + + local count + + try_command_on_node $dmaster $CTDB cattdb $testdb + count=$(grep -c -E "RO_HAVE_DELEGATIONS" "$outfile") || true + if [ $count -eq 1 ] ; then + echo "GOOD: dmaster ${dmaster} has read-only delegations" + else + echo "BAD: dmaster ${dmaster} has no read-only delegations" + cat "$outfile" + exit 1 + fi + count=$(grep -c -E "RO_HAVE_READONLY" "$outfile") || true + if [ $count -ne 0 ] ; then + echo "BAD: dmaster ${dmaster} has a read-only copy" + cat "$outfile" + exit 1 + fi + + local o + for o in $others ; do + try_command_on_node $o $CTDB cattdb $testdb + count=$(grep -c -E "RO_HAVE_READONLY" "$outfile") || true + if [ $count -eq 1 ] ; then + echo "GOOD: node ${o} has a read-only copy" + else + echo "BAD: node ${o} has no read-only copy" + cat "$outfile" + exit 1 + fi + count=$(grep -c -E "RO_HAVE_DELEGATIONS" "$outfile") || true + if [ $count -ne 0 ] ; then + echo "BAD: other node ${o} has read-only delegations" + cat "$outfile" + exit 1 + fi + done +} + +###################################################################### + +echo "Get list of nodes..." +ctdb_onnode 0 "-X listnodes" +all_nodes=$(awk -F'|' '{print $2}' "$outfile") + +###################################################################### + +testdb="test.tdb" +echo "Create test database \"${testdb}\"" +try_command_on_node 0 $CTDB attach $testdb + +echo "Create some records..." +try_command_on_node all $CTDB_TEST_WRAPPER $VALGRIND update_record \ + -D ${testdb} -k testkey + +###################################################################### + +echo "Try some readonly fetches, these should all be upgraded to full fetchlocks..." +try_command_on_node all $CTDB_TEST_WRAPPER $VALGRIND fetch_readonly \ + -D ${testdb} -k testkey + +check_no_readonly + +###################################################################### + +echo "Activate read-only record support for \"$testdb\"..." +try_command_on_node all $CTDB setdbreadonly $testdb + +# Database should be tagged as READONLY +try_command_on_node 0 $CTDB getdbmap +db_details=$(awk -v db="$testdb" '$2 == foo="name:" db { print }' "$outfile") +if grep -q "READONLY" <<<"$db_details" ; then + echo "GOOD: read-only record support is enabled" +else + echo "BAD: could not activate read-only support" + echo "$db_details" + exit 1 +fi + +###################################################################### + +echo "Create 1 read-only delegation ..." +# dmaster=1 +try_command_on_node 1 $CTDB_TEST_WRAPPER $VALGRIND update_record \ + -D ${testdb} -k testkey + +# Fetch read-only to node 0 +try_command_on_node 0 $CTDB_TEST_WRAPPER $VALGRIND fetch_readonly \ + -D ${testdb} -k testkey + +check_readonly 1 0 + +###################################################################### + +echo "Verify that a fetchlock revokes read-only delegations..." +# Node 1 becomes dmaster +try_command_on_node 1 $CTDB_TEST_WRAPPER $VALGRIND update_record \ + -D ${testdb} -k testkey + +check_no_readonly + +###################################################################### + +echo "Create more read-only delegations..." +dmaster=1 +try_command_on_node $dmaster $CTDB_TEST_WRAPPER $VALGRIND update_record \ + -D ${testdb} -k testkey + +others="" +for n in $all_nodes ; do + if [ "$n" != "$dmaster" ] ; then + # Fetch read-only copy to this node + try_command_on_node $n $CTDB_TEST_WRAPPER $VALGRIND fetch_readonly \ + -D ${testdb} -k testkey + others="${others} ${n}" + fi +done + +check_readonly $dmaster $others + +###################################################################### + +echo "Verify that a recovery will revoke the delegations..." +try_command_on_node 0 $CTDB recover + +check_no_readonly |