1 files changed, 92 insertions, 0 deletions
diff --git a/ctdb/tests/INTEGRATION/simple/cluster.016.reclock_move_lock_dir.sh b/ctdb/tests/INTEGRATION/simple/cluster.016.reclock_move_lock_dir.sh
new file mode 100755
index 0000000..147547d
--- /dev/null
+++ b/ctdb/tests/INTEGRATION/simple/cluster.016.reclock_move_lock_dir.sh
@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+# Verify that if the directory containing the cluster lock is moved
+# then the current cluster leader no longer claims to be leader, and
+# no other node claims to be leader.  Confirm that if the directory is
+# moved back then a node will become leader.
+
+# This simulates the cluster filesystem containing the cluster lock
+# being unmounted and remounted.
+
+. "${TEST_SCRIPTS_DIR}/integration.bash"
+
+set -e
+
+ctdb_test_skip_on_cluster
+
+ctdb_test_init -n
+
+echo "Starting CTDB with cluster lock recheck interval set to 5s..."
+ctdb_nodes_start_custom -r 5
+
+select_test_node
+
+echo "Get cluster lock setting"
+# shellcheck disable=SC2154
+# $test_node set by select_test_node() above
+ctdb_onnode "$test_node" getreclock
+# shellcheck disable=SC2154
+# $out set by ctdb_onnode() above
+reclock_setting="$out"
+
+if [ -z "$reclock_setting" ] ; then
+	ctdb_test_skip "Cluster lock is not set"
+fi
+
+t="${reclock_setting% 5}"
+reclock="${t##* }"
+
+if [ ! -f "$reclock" ] ; then
+	ctdb_test_error "Cluster lock file \"${reclock}\" is missing"
+fi
+
+echo "Cluster lock setting is \"${reclock_setting}\""
+echo "Cluster lock file is \"${reclock}\""
+echo
+
+leader_get "$test_node"
+
+dir=$(dirname "$reclock")
+
+echo "Rename cluster lock directory"
+mv "$dir" "${dir}.$$"
+
+wait_until_leader_has_changed "$test_node"
+echo
+
+# shellcheck disable=SC2154
+# $leader set by leader_get() & wait_until_leader_has_changed(), above
+if [ "$leader" != "UNKNOWN" ]; then
+	test_fail "BAD: leader is ${leader}"
+fi
+
+echo "OK: leader is UNKNOWN"
+echo
+
+echo 'Get "leader timeout":'
+conf_tool="${CTDB_SCRIPTS_HELPER_BINDIR}/ctdb-config"
+# shellcheck disable=SC2154
+# $test_node set by select_test_node() above
+try_command_on_node "$test_node" "${conf_tool} get cluster 'leader timeout'"
+# shellcheck disable=SC2154
+# $out set by ctdb_onnode() above
+leader_timeout="$out"
+echo "Leader timeout is ${leader_timeout}s"
+echo
+
+sleep_time=$((2 * leader_timeout))
+echo "Waiting for ${sleep_time}s to confirm leader stays UNKNOWN"
+sleep_for $sleep_time
+
+leader_get "$test_node"
+if [ "$leader" = "UNKNOWN" ]; then
+	echo "OK: leader is UNKNOWN"
+	echo
+else
+	test_fail "BAD: leader is ${leader}"
+fi
+
+echo "Restore cluster lock directory"
+mv "${dir}.$$" "$dir"
+
+wait_until_leader_has_changed "$test_node"