diff options
| author | Martin Schwenke <martin@meltin.net> | 2022-01-23 07:08:02 +1100 |
|---|---|---|
| committer | Jule Anger <janger@samba.org> | 2022-02-15 09:55:38 +0000 |
| commit | 79b42f0f2bfa539c66ca46adba8383e2465af783 (patch) | |
| tree | 9e583c543ceedee0fbd75076f99a015443880bbe /ctdb | |
| parent | f3047e90a8653284f19ef7138ddbe9ada3b7a303 (diff) | |
| download | samba-79b42f0f2bfa539c66ca46adba8383e2465af783.tar.gz | |
ctdb-tests: Add a test for stalled node triggering election
A stalled node probably continues to hold the cluster lock, so confirm
elections work in this case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14958
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 Feb 14 02:46:01 UTC 2022 on sn-devel-184
(cherry picked from commit 331c435ce520bef1274e076e6ed491400db3b5ad)
Autobuild-User(v4-16-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-16-test): Tue Feb 15 09:55:38 UTC 2022 on sn-devel-184
Diffstat (limited to 'ctdb')
| -rwxr-xr-x | ctdb/tests/INTEGRATION/simple/cluster.030.node_stall_leader_timeout.sh | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ctdb/tests/INTEGRATION/simple/cluster.030.node_stall_leader_timeout.sh b/ctdb/tests/INTEGRATION/simple/cluster.030.node_stall_leader_timeout.sh new file mode 100755 index 00000000000..7bca58c222b --- /dev/null +++ b/ctdb/tests/INTEGRATION/simple/cluster.030.node_stall_leader_timeout.sh @@ -0,0 +1,48 @@ +#!/usr/bin/env bash + +# Verify that nothing bad occurs if a node stalls and the leader +# broadcast timeout triggers + +. "${TEST_SCRIPTS_DIR}/integration.bash" + +set -e + +ctdb_test_init + +select_test_node +echo + +echo 'Get "leader timeout":' +conf_tool="${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 ${leader_timeout} seconds" +echo + +# Assume leader timeout is reasonable and doesn't cause node to be +# disconnected +stall_time=$((leader_timeout * 2)) + +generation_get "$test_node" + +echo "Get ctdbd PID on node ${test_node}..." +ctdb_onnode -v "$test_node" "getpid" +ctdbd_pid="$out" +echo + +echo "Sending SIGSTOP to ctdbd on ${test_node}" +try_command_on_node "$test_node" "kill -STOP ${ctdbd_pid}" + +sleep_for "$stall_time" + +echo "Sending SIGCONT to ctdbd on ${test_node}" +try_command_on_node "$test_node" "kill -CONT ${ctdbd_pid}" +echo + +wait_until_generation_has_changed "$test_node" + +cluster_is_healthy |